18th Bangkok Chess Open

18th Bangkok Chess Open

The 18th Bangkok Chess Club Open is being held in the Regent Cha-am Beach Resort from 13-21 April 2018. In total almost 350 players take part, with around 200 playing in the main 9-round open.
The time control is 90 minutes for 40 moves followed by 30 minutes for the rest of the game, with a 30-second increment from move 1. The top prize is 100,000 Thai Baht, or around 3,200 US Dollars. Official website: bangkokchess.com

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[Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Short, Nigel D"] [Black "Welsh, Michael"] [Result "1-0"] [ECO "A00"] [WhiteElo "2662"] [BlackElo "1985"] [Annotator "TA"] [PlyCount "39"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,39,6,20,-26,9,14,18,18,15,30,51,53,68,38,40,33,91,39,98,49,174,189, 387,368,367,140,126,132,227,237]} 1. Nc3 d5 2. d4 Nf6 3. Bf4 a6 4. e3 e6 5. g4 c5 6. g5 {D00: 1 d4 d5: Unusual lines} Nfd7 {LiveBook: 8 Games} 7. a3 Nc6 8. Nf3 {The position is equal.} b5 9. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Be7 $146 ({ Predecessor:} 9... Bb7 10. h5 Nb6 11. Ne5 Nxe5 12. Bxe5 {1-0 (26) Carlsen,M (2832)-Caruana,F (2808) Stavanger 2017}) 10. Ne2 cxd4 11. Nexd4 Qb6 12. h5 (12. c3 {seems wilder.} Bb7 13. h5 Rc8 14. Rg1 Na5 15. Ne5) 12... Nxd4 13. exd4 f6 ( {Black should play} 13... b4 $1 $14) 14. c3 (14. Qd2 $16) 14... Ra7 ({Black should try} 14... fxg5 $14 15. Bxg5 Bxg5 16. Nxg5 h6) 15. Bh3 O-O (15... fxg5 $14 16. Nxg5 (16. Bxg5 Bxg5 17. Nxg5 Nf6 $11) 16... Bxg5 17. Bxg5 O-O) 16. g6 $18 {[%cal Bg5g6,Bg6h7][%mdl 32] Black must now prevent h6.} e5 $2 {[#]} (16... f5 {is a better defense.} 17. gxh7+ Kxh7) 17. gxh7+ Kh8 18. Be3 $2 (18. Nh4 $18 {is more deadly.}) 18... exd4 $16 19. Nxd4 Bc5 (19... Qb7 $16 {was called for.} 20. Rg1 Ne5) 20. b4 {Precision: White = 37%, Black = 19%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Flores, Diego"] [Black "Mottonen, Ari"] [Result "1-0"] [ECO "A39"] [WhiteElo "2601"] [BlackElo "1984"] [Annotator "TA"] [PlyCount "67"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,67,95,103,140,101,150,154,158,153,161,145,172,174,176,176,183,171, 184,181,240,243,278,267,268,267,280,276,295,326,345,354,340,322,382,286,294, 280,554,525,566,568,416,252,252,252,252,241,6239,6109,5314,5221]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 cxd4 8. Nxd4 a6 9. c5 e5 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4} (9... Qc7 10. Bg5 Qe5 11. Nxc6 dxc6 12. Bxf6 Bxf6 13. Na4 Bg4 14. Re1 Rad8 15. Qb3 Bc8 16. e3 Rd2 17. Rad1 Rfd8 18. Rxd2 Rxd2 {0-1 (63) Ribli,Z (2526)-Ljubojevic, L (2571) Platja d'Aro 2017}) 10. Nb3 {LiveBook: 3 Games} b5 11. Bg5 Qe8 $146 { White is better.} ({Predecessor:} 11... h6 12. Bxf6 Bxf6 13. Ne4 Rb8 14. Nd6 Be7 15. Qd2 Bxd6 16. Qxd6 Qe7 17. Rfd1 Qxd6 18. Rxd6 {1-0 (43) Schroeder,K (2300)-Marzec,W (1752) Bad Zwesten 2017}) 12. Qd6 Qe6 13. Qxe6 fxe6 14. Rfd1 Ra7 15. Bxf6 Bxf6 {[#]} 16. Bxc6 $1 dxc6 17. Ne4 Be7 18. Nc1 Rf5 (18... Kg7 { might work better.} 19. Nd3 Bf6) 19. Nd3 $18 h5 20. h3 {[%cal Bh2h3,Bh3g4] [%mdl 32]} Kg7 21. g4 hxg4 22. hxg4 Rf4 23. f3 ({But not} 23. Nxf4 exf4 24. Nd6 Bd7 $18) 23... Bd7 24. Nxe5 ({Resist} 24. Nxf4 exf4 25. b4 e5 $18) 24... Be8 25. Kg2 g5 26. a4 a5 27. Nd6 Bxd6 $2 (27... Kf6 {was necessary.}) 28. cxd6 ({ Weaker is} 28. Rxd6 Kf6 $18) 28... Bd7 29. axb5 cxb5 30. Rxa5 Rxa5 31. Nxd7 { [#] aiming for Nc5.} b4 32. Kf2 Rd5 $2 (32... b3 33. Ne5 Rxe5) 33. Rxd5 exd5 34. Nc5 {Precision: White = 78%, Black = 24%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Smirnov, Anton"] [Black "Sivara, Poompat"] [Result "1-0"] [ECO "B06"] [WhiteElo "2546"] [BlackElo "1974"] [Annotator "TA"] [PlyCount "55"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,55,53,72,66,69,59,58,26,27,-16,0,0,92,95,93,97,132,131,144,120,160, 169,224,238,196,118,133,131,141,50,54,35,120,19,76,59,195,186,593,440,1410, 1402,1369,1350]} 1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Na3 { B27: Sicilian: 2 Nf3, unusual Black 2nd moves} b6 (6... Nf6 7. Be3 Qa5 8. Nc4 Qc7 9. e5 Ng4 10. Bf4 b5 11. Ne3 Nxe3 12. fxe3 e6 13. Bxb5 Qb6 {1/2-1/2 (32) Nepomniachtchi,I (2705)-Guseinov,G (2649) Ashdod 2015}) 7. Nb5 Bb7 {LiveBook: 5 Games} 8. Bf4 $146 {Nc7+ is the strong threat.White is better.} ({ Predecessor:} 8. Be3 Qc8 9. Bf4 Na6 10. e5 Nc5 11. Nfd4 a6 {1/2-1/2 (11) Brecka,I (2357)-Vesselovsky,S (2360) Czechia 2010}) 8... Na6 9. Bd3 Nf6 10. Qe2 (10. e5 {seems wilder.} Nd5 11. Bg3 O-O 12. O-O Qc8 13. Re1) 10... O-O 11. b4 Qc8 12. O-O d5 (12... Nb8 $11) 13. e5 $1 $36 {[%cal Re5f6][%mdl 2048] White is in control.} Ne4 14. Rac1 Qg4 {[#]} 15. Qe3 $1 f6 16. h3 Qd7 17. Bh6 Nc7 (17... Rfc8 {might work better.} 18. Bxg7 Kxg7) 18. Bxg7 $18 Kxg7 19. exf6+ (19. Nxc7 $18 Qxc7 20. c4) 19... exf6 $16 20. Nxc7 Qxc7 21. Nd4 (21. c4 $16 Qf7 22. c5 ( 22. cxd5 Nd6 $14)) 21... Rae8 $14 22. Rfe1 Qc8 (22... Qd6 $14) 23. f3 (23. Bb5 $16) 23... Ng5 (23... Nc5 $11 {remains equal.} 24. Qd2 Nxd3 25. Qxd3 Kg8) 24. Qd2 Ne6 {[#]} (24... Re5 $14) 25. Bb5 $1 $18 {aiming for Re3.} Re7 $2 (25... Nxd4 {is more resistant.} 26. Rxe8 (26. Bxe8 Nxf3+ 27. gxf3 Rxe8 $16) 26... Nxf3+ 27. gxf3 Rxe8) 26. Qe3 {White is clearly winning.} Nxd4 (26... Rfe8 $142) 27. Qxe7+ Rf7 28. cxd4 {Precision: White = 54%, Black = 25%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Swapnil, S. Dhopade"] [Black "He, Yichen"] [Result "1-0"] [ECO "A45"] [WhiteElo "2526"] [BlackElo "1966"] [Annotator "TA"] [PlyCount "55"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,55,47,44,60,41,61,45,49,39,45,45,48,50,66,53,67,58,76,69,87,117,134, 131,150,78,110,110,99,104,112,83,96,86,76,79,187,172,461,437,448,439,1731,1650, 29992,29993,29995,29996]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 d6 5. f3 Nf6 6. e4 {LiveBook: 60 Games} Nbd7 {A45: Trompowsky Attack} (6... g6 7. Nc3 Bg7 8. Qd2 a6 9. a4 Nbd7 10. Bh6 Bxh6 11. Qxh6 Qa5 12. Ra3 Nb6 13. Be2 Bd7 14. Qd2 g5 15. h4 {0-1 (63) Moiseenko,A (2667)-Melkumyan,H (2633) Riadh 2017}) 7. Nc3 g6 8. Qd2 Bg7 {White is slightly better.} 9. h4 h5 10. Nh3 a6 11. a4 Ne5 12. Be2 Rb8 13. Nf2 Bd7 $146 ({Predecessor:} 13... Qc7 14. a5 Ned7 15. Nfd1 {1-0 (23) Brumen,D (2335)-Kosaric,G Zagreb 1997}) 14. a5 b5 15. axb6 $1 Rxb6 16. b3 ({ Don't take} 16. Rxa6 Rxa6 17. Bxa6 Qb6 $14) 16... Bb5 17. O-O ({White should try} 17. Na4) 17... Nfd7 18. Nxb5 axb5 19. Ra7 O-O 20. Bh6 Nf6 21. Bxg7 (21. Rfa1 {is interesting.} Qb8 22. Bf4 Ned7 23. Qa5 b4 24. Be3) 21... Kxg7 22. f4 Neg4 (22... Ned7 $16) 23. Bxg4 $18 Nxg4 $2 {[#]} (23... hxg4 24. e5 dxe5) 24. Nxg4 hxg4 25. f5 Rb8 (25... f6 $142 26. Qf4 Qe8 27. Qxg4 Rg8 28. fxg6 Qxg6) 26. Qg5 Re8 27. fxg6 fxg6 28. Rf6 {Precision: White = 58%, Black = 28%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Lorparizangeneh, Shahin"] [Black "Jaeel Atharva"] [Result "1-0"] [ECO "A05"] [WhiteElo "2508"] [BlackElo "1957"] [Annotator "TA"] [PlyCount "73"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,73,95,90,122,123,123,122,124,127,119,120,122,118,132,118,125,117,123, 116,153,130,135,141,155,141,148,152,189,185,312,307,303,293,395,0,295,271,451, 314,329,315,335,313,515,545,831,656,662,646,644,654,859,797,29988,29989]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Rb8 {E05: Open Catalan: 5 Nf3 Be7} (9... Bxa3 10. bxa3 Ba6 11. Qd2 Rb8 12. Qa5 Rb6 13. a4 Qd6 14. Rd1 Nd5 15. e4 Qb4 16. Qxb4 Nxb4 17. Bf4 Nd3 18. Bxc7 Rb2 {0-1 (59) Iturrizaga Bonelli,E (2650)-Dominguez Perez,L (2739) chess. com INT 2018}) 10. Nxc4 c5 11. Na5 {LiveBook: 4 Games. Black must now prevent Nc6.} Bd7 {[#]White is better.} 12. dxc5 $1 Bxc5 13. Nb7 Qe7 14. Nxc5 Qxc5 15. Be3 Qa5 $146 ({Predecessor:} 15... Qh5 16. Bf3 Qh3 17. Bxa7 {1-0 (41) Akesson, R (2423)-Bernhardsson,S (1998) Vaxjo 2016}) 16. Qc2 Nd5 {[%cal Bf6d5,Bd5b6, Bb6a4][%mdl 32]} 17. Bc5 Rfd8 18. Rfc1 Be8 19. b3 Rdc8 20. Qb2 Nb6 21. Rc2 Qb5 22. Rac1 Na4 23. Qe5 Nb6 24. Bd4 {[%csl Gd4][%cal Re5g7] [#]} f6 (24... Qxe5 $142 25. Bxe5 Nd5 26. Bxd5 (26. Bxc7 Nxc7 27. Rxc7 Rxc7 $16) 26... exd5 27. Rxc7 (27. Bxc7 Rb7 $16) 27... Rxc7 28. Rxc7 a6) 25. Qxe6+ $18 Bf7 26. Qg4 Bh5 27. Qe6+ $40 {[%mdl 128] White attacks.} Bf7 28. Qc6 Qa6 $2 (28... Qh5 29. Bf3 Qh3) 29. e4 Rd8 30. Be3 ({Weaker is} 30. Qxc7 Rbc8 $16) 30... Be8 31. Qc5 Bb5 $2 (31... c6 {keeps fighting.} 32. Bh3 Bd7) 32. e5 Bd3 33. Rd2 fxe5 34. Qxe5 Re8 35. Qg5 Bg6 36. h4 Bf7 37. Bd4 {Precision: White = 93%, Black = 36%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Ly, Moulthun"] [Black "Tuorila, Kai"] [Result "1-0"] [ECO "A01"] [WhiteElo "2498"] [BlackElo "1950"] [Annotator "TA"] [PlyCount "87"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,87,0,19,-4,0,-28,-15,-25,-16,-35,-29,-20,0,0,7,9,35,-24,27,20,20,-22, 25,25,22,0,26,-2,15,14,137,154,129,139,134,131,170,185,231,205,387,386,394,396, 402,367,477,470,471,459,467,452,415,435,607,617,588,459,450,441,448,444,947, 966,952,770,910,910,893,896,872,625]} 1. b3 g6 2. Bb2 Nf6 3. Nf3 Bg7 4. c4 c5 5. g3 Nc6 6. Bg2 O-O 7. O-O d6 8. d3 Rb8 9. Nc3 a6 {LiveBook: 15 Games} 10. Nd2 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (10. Rc1 b5 11. Qd2 Bd7 12. Rfd1 Qa5 13. Ba1 Rfc8 14. e3 Qd8 15. h3 {1/2-1/2 (15) Gomez Garrido,C (2511)-Ortiz Suarez,I (2543) Havana 2018}) 10... Bd7 11. h3 $146 ({Predecessor: } 11. Rb1 Re8 12. Nd5 Nxd5 13. cxd5 Nd4 14. e3 Nb5 15. Qc2 Bf5 16. Nc4 Bxb2 17. Rxb2 Na7 {0-1 (80) Brulic,D (2261)-Bubalovic,D (2211) Mali Losinj 2017}) 11... e6 12. e3 {The position is equal.} b5 13. Kh2 Qc7 14. f4 Ne7 15. Qc2 Nf5 16. Rae1 Bc6 17. Nf3 ({Better is} 17. Bxc6 $14 Qxc6 18. g4) 17... Qb7 (17... bxc4 $142 18. dxc4 h5) 18. g4 $11 Ne7 19. Ba1 Rbc8 20. Qf2 Nd7 21. e4 Qc7 22. Kh1 ( 22. Qh4 $5 {[%cal Rh4e7]}) 22... b4 23. Ne2 d5 (23... e5 $11) 24. exd5 exd5 { [#]} 25. Bxg7 $1 Kxg7 26. Ned4 Qd6 27. Nxc6 Rxc6 {[#]} 28. f5 $1 {[%mdl 512]} gxf5 $2 (28... Rcc8 29. d4 dxc4) 29. Nh4 $18 Kh8 {If Black can now play ... fxg4 this consolidates a bit.} 30. Qe2 Ng6 31. Nxf5 Qb8 {Now ...Re6 and Black clings on.} 32. Bxd5 Rb6 33. Qe3 Nge5 34. d4 cxd4 35. Qxd4 f6 {White is clearly winning.} 36. Qe3 Qe8 37. Rf4 Qg6 38. Re4 Rbb8 39. c5 {[%cal Bc4c5, Bc5c6,Bc6c7][%mdl 32]} Nf7 (39... Rb5 $142 40. Rc1 Qg5 41. Qxg5 fxg5) 40. c6 Nde5 41. Ne7 Qg7 42. c7 Rbe8 43. Nf5 Qg5 44. Bxf7 {Precision: White = 52%, Black = 29%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Chan, Yi Meng Ryan"] [Black "Melkumyan, Hrant"] [Result "0-1"] [ECO "E73"] [WhiteElo "1988"] [BlackElo "2669"] [Annotator "TA"] [PlyCount "92"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,92,44,46,44,44,58,44,44,44,44,39,55,29,43,20,22,0,0,0,0,0,0,-22,-8, -21,-21,-21,-24,-20,-6,-7,0,0,0,0,0,0,5,8,21,8,24,0,0,0,0,0,0,0,0,0,0,0,0,-14, -14,-14,-14,-20,-14,-27,-27,-35,-17,-144,-137,-125,-91,-484,-484,-441,-441, -633,-479,-479,-464,-29986,-29987]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c6 7. Nf3 Nbd7 8. Qd2 e5 9. O-O {LiveBook: 14 Games} Qe7 { E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (9... Ng4 10. Bg5 f6 11. Bh4 h5 12. Bg3 Nh6 13. Rad1 g5 14. h3 h4 15. Bh2 Nf7 16. c5 dxc5 17. d5 {0-1 (66) Konaplev,A (2337)-Jojua,D (2601) Batumi 2018}) 10. d5 Nc5 $146 ({Find the theoretical novelty and annotate with similar games:} 10... c5 11. h3 Ne8 12. Bg5 Bf6 13. Bxf6 Qxf6 14. Ne1 Qg7 15. Nd3 f5 16. f4 {1/2-1/2 (16) Benitah,Y (2383)-Bailet,P (2352) Nimes 2009}) 11. Bxc5 dxc5 {White is slightly better.} 12. dxc6 bxc6 13. Rad1 Ne8 14. Qd8 Qb7 15. Na4 Nc7 16. Qd6 ({ Don't play} 16. Nxc5 $6 Qb6 $16) 16... Ne6 17. Nxc5 Nxc5 18. Qxc5 Qxb2 19. Rd2 (19. Rfe1 {NOTEXT} Bg4 20. Qxc6 Qxa2 21. Ra1 Qb2 22. Qa4) 19... Qb6 20. Qxb6 axb6 21. Rb1 Ra6 22. Rdb2 Bg4 23. h3 Bxf3 24. Bxf3 Rb8 25. Bg4 Bf8 26. Bd7 Ba3 27. Rc2 Bc5 28. Bxc6 Rd8 29. Bd5 Rd7 30. Rd1 Ra3 31. Rdd2 Kg7 32. Kf1 Rda7 33. Bc6 Bd4 34. Bd5 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 35. Bc6 h4 36. Re2 f5 { [%cal Bf7f5,Bf5f4,Bf4f3][%mdl 32]} 37. Bd5 Kf6 38. Red2 f4 39. f3 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 40. Bc6 {[#]} (40. c5 $1 $11 Bxc5 41. Bb3) 40... g4 $1 $17 {[%cal Rg4h3][%mdl 512]} 41. fxg4 f3 42. Rf2 $2 {[%mdl 8192]} (42. g5+ $17 Kxg5 43. gxf3) 42... Bxf2 $19 43. Rxf2 Kg5 44. c5 (44. gxf3 $142 Rxa2 45. Bb5) 44... bxc5 45. Bd5 Kf4 46. Bb3 {[#]} (46. Rc2 $19 Kg3 47. g5) 46... Rxb3 $1 { [%mdl 512] Precision: White = 45%, Black = 76%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Duong, Thuong Cong"] [Black "Gustafsson, Jan"] [Result "0-1"] [ECO "B06"] [WhiteElo "1984"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "100"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,100,20,22,29,5,5,8,0,6,6,-34,-31,-34,-26,-54,-22,-47,-41,-44,-39,-35, -19,-33,-20,-25,-30,-31,-31,-31,-33,-66,0,-25,0,-54,0,0,0,0,0,0,15,16,31,8,9,8, 11,8,9,-106,-116,-104,0,-56,0,0,0,-10,0,0,0,-2,0,0,35,30,32,27,47,-8,9,8,8,10, 10,11,24,5,8,14,20,1,2,0,12,18,10,4,27,-5591,-4939]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. h3 d5 5. exd5 cxd5 6. Nf3 Nc6 {[%cal Bb8c6,Bc6b4,Bb4d3][%mdl 32] B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 7. Bd3 (7. Bf4 Nf6 8. Bd3 O-O 9. Qd2 Re8 10. O-O a6 11. a3 Be6 12. Rfe1 Qd7 13. Na4 Nxd4 14. Nxd4 Qxa4 15. Nxe6 fxe6 16. Rxe6 {1/2-1/2 (53) Stefanova,A (2517) -Khotenashvili,B (2504) Beijing 2014}) 7... Nh6 8. O-O O-O {The position is equal.} 9. Ne2 Nb4 $146 ({Predecessor:} 9... Nf5 10. c3 f6 11. Qb3 e5 12. dxe5 fxe5 {1-0 (42) Ruiz Castillo,J (2390)-Jaimes Castillo,F (2059) Bogota 2015}) 10. Ng3 Nxd3 11. Qxd3 f6 12. Re1 Nf7 13. h4 e5 14. dxe5 $1 fxe5 15. Ng5 a5 16. Nxf7 Rxf7 17. Bg5 Qb6 {...Be6 is the strong threat.} 18. Qxd5 Qxf2+ 19. Kh2 Qb6 20. Be3 Qf6 ({Black should play} 20... Be6 $15 21. Bxb6 Bxd5) 21. Bg5 Qb6 22. Be3 Qb4 (22... Be6 $15 23. Rad1 Bxd5 24. Bxb6 Bxa2) 23. c4 $11 {Threatens to win with Ne4.} Qe7 24. Bg5 Qe8 25. Rad1 Bg4 26. Ne4 {[#] Strongly threatening Nd6.} Be6 27. Nd6 Bxd5 28. Nxe8 Rxe8 29. Rxd5 e4 30. Rd8 (30. Re2 $11 {remains equal.}) 30... Rxd8 31. Bxd8 Bxb2 (31... Be5+ $17 32. g3 Rf2+ 33. Kg1 Rxb2 34. Rxe4 Bxg3) 32. Bxa5 $17 {[%mdl 4096] Endgame KRB-KRB} (32. Rxe4 $11 Bc3 33. Bg5 ) 32... Re7 (32... Be5+ $15 33. Kh3 Rd7) 33. Bb4 $11 Re8 34. Re2 Bd4 35. Kg3 Kf7 36. Kf4 Be5+ 37. Ke3 Bf6 38. Rf2 Kg7 39. Rf4 h5 40. g3 (40. a4 $14) 40... Ra8 41. a3 g5 42. Rxe4 gxh4 43. gxh4 Kf7 44. Kd3 Rd8+ 45. Kc2 Rg8 46. Be1 Rg2+ 47. Kb3 Kg6 48. c5 Kf5 49. Rc4 Ke6 50. c6 $2 {[%mdl 8192] [#]} (50. Rb4 $11) 50... Rb2+ {Precision: White = 44%, Black = 54%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Ashutosh, Kumar"] [Black "Gareyev, Timur"] [Result "0-1"] [ECO "A20"] [WhiteElo "1978"] [BlackElo "2592"] [Annotator "TA"] [PlyCount "75"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,75,-2,-6,-4,-10,8,-12,-17,-51,-52,-43,-15,-56,-52,-58,-58,-72,-58, -66,-66,-76,-67,-72,-82,-143,-134,-139,-139,-326,-300,-390,-393,-380,-397,-387, -387,-593,-589,-653,-645,-708,-640,-640,-640,-640,-640,-633,-633,-618,-563, -556,-556,-554,-533,-1573]} 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Bd6 {A20: English Opening: 1...e5} (8... Nbd7 9. Nc3 Qg6 10. Ne3 Bc5 11. Qc2 Bxe3 12. dxe3 Nc5 13. b4 Na6 14. Rb1 Bf5 15. b5 cxb5 16. Nxb5 {1-0 (48) Svidler,P (2759)-Wang,H (2734) Almaty 2016}) 9. Nc3 Qg6 10. d3 exd3 11. Qxd3 Qxd3 12. exd3 {LiveBook: 6 Games} O-O 13. O-O Nbd7 14. d4 Nb6 15. Ne3 $146 ({Predecessor:} 15. Bg5 Nbd5 16. Bxf6 Nxf6 {0-1 (66) Marangunic, S-Rogoff,K Zagreb 1971}) 15... Be6 16. Rd1 Rad8 17. b3 Rd7 18. Bb2 Rfd8 19. g4 h6 20. Kf1 Bb4 21. Ne2 Nfd5 {[%cal Bf6d5,Bd5b6,Bb6a4,Ba4c3][%mdl 32]} 22. Rac1 a5 23. Nc4 {[#]} ({Better is} 23. Bxd5 Nxd5 24. Rd3) 23... Nxc4 $1 $17 24. bxc4 {[#]} Nb6 $1 25. c5 $2 (25. d5 $17 {was necessary.}) 25... Na4 $19 26. Bc3 Nxc3 27. Nxc3 Rxd4 28. Rxd4 Rxd4 29. Ne4 (29. Ne2 $142 Rd2 30. Nc3) 29... Bxa2 { Black is clearly winning.} 30. Nd6 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 31. Nxb7 a3 32. Bxc6 Bb3 33. Bf3 a2 34. c6 Rc4 35. Ra1 Bc3 36. Rxa2 Bxa2 37. Bd5 Be5 38. Ke1 {Precision: White = 31%, Black = 74%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Rodriguez, Juan Talavera"] [Black "Krysa, Leandro"] [Result "0-1"] [ECO "A09"] [WhiteElo "1967"] [BlackElo "2543"] [Annotator "TA"] [PlyCount "68"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,68,-26,-16,-71,-61,-58,-46,-98,-105,-95,-86,-95,-85,-93,-101,-285, -269,-280,-281,-285,-281,-285,-281,-276,-276,-276,-271,-300,-264,-315,-310, -313,-337,-350,-345,-323,-329,-483,-482,-472,-472,-621,-739,-703,-738,-717, -669,-730,-723,-712,-700,-780,-781,-762,-746,-1320,-1193,-1797,-2206]} 1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. b4 dxe3 5. fxe3 Nxb4 6. Qa4+ {A09: Réti Opening: 1 Nf3 d5 2 c4} (6. d4 e6 7. Bb2 Nf6 8. Nbd2 Be7 9. a3 Na6 10. Bd3 c5 11. O-O b6 12. Qc2 {1-0 (34) Piorun,K (2657)-Riazantsev,A (2671) Tallinn 2016}) 6... Nc6 { LiveBook: 9 Games} 7. Ba3 $146 (7. Be2 $11 {keeps the balance.}) ({Predecessor: } 7. d4 Bd7 8. Qb3 e5 9. d5 Nb4 10. Nc3 Nf6 11. c5 e4 12. Qxb4 exf3 {1/2-1/2 (19) Rogac,S (2358)-Juhasz,A (2392) Budapest 2017}) 7... g6 8. Bb2 {Black is slightly better.} Nf6 9. Ne5 ({Better is} 9. d4 $1 $15) 9... Bd7 10. Nxd7 Qxd7 ({Of course not} 10... Kxd7 $6 11. Be2 $11) 11. Be2 Bg7 12. O-O O-O 13. d4 $2 { [#]} (13. Kh1 $17) 13... Nxd4 $1 $19 14. Qxd7 Nxe2+ 15. Kf2 Nxd7 16. Bxg7 Kxg7 17. Kxe2 Rfd8 18. Nd2 Nc5 19. Rab1 b6 20. Rfd1 e5 21. Nb3 Ne4 22. Rd3 Rxd3 23. Kxd3 {[%mdl 4096] Endgame KRN-KRN} f5 24. c5 (24. Rc1 $142) 24... Rd8+ { Black is clearly winning.} 25. Kc2 bxc5 {[%cal Bb6c5,Bc5c4,Bc4c3][%mdl 32]} 26. Rb2 c4 27. Na5 c3 28. Rb7 Rd2+ 29. Kc1 Rxa2 30. Rxc7+ Kh6 31. Nc4 Nd2 32. Nxd2 Rxd2 33. Rxa7 Rxg2 34. h4 Re2 {Precision: White = 33%, Black = 93%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Brunner, Karl"] [Black "Tran, Tuan Minh"] [Result "0-1"] [ECO "A46"] [WhiteElo "1960"] [BlackElo "2514"] [Annotator "TA"] [PlyCount "92"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,92,16,16,20,11,96,32,42,17,18,19,23,0,0,0,14,0,12,0,1,0,0,-8,0,-12, -1,-20,-17,-37,-17,-47,-41,-42,-41,-71,-36,-37,-36,-60,-57,-51,-52,-80,-61, -157,-124,-213,-192,-207,-204,-219,-212,-200,-211,-197,-212,-366,-378,-797, -786,-1014,-998,-1824,-1785,-29949,-29950,-12806,-12827,-5318,-5306,-29987, -29988,-29992,-29993,-29993,-29994,-29994,-29995]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 c5 6. O-O Be7 7. b3 O-O 8. Bb2 Nc6 9. a3 {LiveBook: 164 Games} a6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (9... Rc8 10. Re1 d5 11. Qe2 cxd4 12. exd4 Re8 13. c4 Bf8 14. Rad1 g6 15. Qe3 Bg7 16. Ne5 dxc4 17. bxc4 Nxe5 18. dxe5 {0-1 (48) Mamedyarov,S (2768)-Leko,P (2693) Doha 2016}) 10. Qe2 b5 (10... a5 $11 {remains equal.}) 11. c4 $146 (11. dxc5 $16 { b4 is the strong threat.} Bxc5 12. b4) ({Predecessor:} 11. dxc5 Bxc5 12. Ng5 e5 13. f4 Re8 14. fxe5 Nxe5 15. Nxh7 Nfg4 16. Ne4 Bxe3+ 17. Kh1 d5 18. Nef6+ Kh8 19. Nxg4 Nxd3 20. Qxd3 d4 21. Nhf6 gxf6 22. Nxf6 Kg7 23. Nxe8+ Qxe8 24. Bxd4+ { 1-0 (24) Puraev,A (2220)-Ostapenko,D (2309) Barnaul 2011}) 11... b4 {White is slightly better.} 12. Ne5 cxd4 13. Nxc6 dxc6 14. Bxd4 c5 15. Bb2 Qd6 {And now . ..Rad8 would win.} 16. Rad1 Rad8 17. Bb1 Qc6 $40 {[%csl Gb7][%cal Rc6g2][%mdl 128] Black has some attack.} 18. f3 Qc7 19. Rfe1 Bd6 20. Nf1 Be5 21. axb4 Bxb2 22. Qxb2 cxb4 23. Qc2 a5 24. Ng3 {Threatens to win with Nh5!} Qc5 25. Kf2 g6 ( 25... Ra8 {is more complex.} 26. Qa2 h5 27. h4 Bc6 28. Bc2 Rfc8) 26. Rd2 e5 27. Qd1 Qe7 28. Ree2 h5 29. Nf1 Nd7 30. Rd6 (30. e4 $15) 30... Nc5 $17 31. Red2 ( 31. Rxd8 $17 Rxd8 32. Rd2) 31... Rxd6 $19 32. Rxd6 e4 33. Rd4 {[#]} exf3 $1 34. gxf3 Re8 35. Bc2 Qf6 36. Ng3 $2 {[#]} (36. Bb1 {was necessary.}) 36... a4 $1 { [%cal Ba5a4,Ba4b3,Bb3b2][%mdl 544]} 37. Rf4 $2 (37. bxa4 b3 38. Bd3) 37... Qc3 38. Ne4 Bxe4 39. Bxe4 {[#]} Rxe4 $1 {[%mdl 512]} 40. Rxe4 (40. fxe4 Nd3+) 40... Nxe4+ 41. fxe4 axb3 {KQ-KQ} 42. e5 b2 43. Qd8+ Kh7 {Black mates.} 44. Qd5 Qc2+ 45. Kg3 {[#]} h4+ $1 {[%mdl 512]} 46. Kxh4 Qf2+ {Precision: White = 20%, Black = 77%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.13"] [Round "1"] [White "Sielicki, Tomasz"] [Black "Deepan Chakkravarthy J."] [Result "0-1"] [ECO "E11"] [WhiteElo "1952"] [BlackElo "2499"] [Annotator "TA"] [PlyCount "76"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,75,7,7,7,2,2,6,25,4,3,4,2,0,6,-20,-26,-33,-28,-22,-17,-79,8,17,67,6, 13,0,118,114,113,110,116,115,110,41,41,-10,-10,-10,-10,-16,-4,-34,0,-33,-53, -25,-39,-34,-41,-52,0,-21,-16,-21,0,0,0,-33,-28,-943,-942,-849,-842,-29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. Nc3 O-O 6. a3 {E11: Bogo-Indian} (6. e3 d6 7. Bd3 e5 8. dxe5 dxe5 9. Qc2 Nc6 10. a3 Bxc3 11. Bxc3 Qe7 12. O-O Re8 13. Nd2 e4 {1/2-1/2 (61) Fressinet,L (2702)-Horvath,A (2535) Bastia 2015}) 6... Bxc3 7. Bxc3 {LiveBook: 3 Games} Ne4 8. Qc2 {The position is equal.} Nxc3 $146 ({Find the theoretical novelty and annotate with similar games:} 8... f5 9. e3 b6 10. b4 axb4 11. axb4 Rxa1+ 12. Bxa1 Bb7 13. Bd3 Ng5 {1-0 (72) Kaplan,D (2057)-Kulhanek,T (2324) Ricany 2017}) 9. Qxc3 a4 10. e3 b6 11. Bd3 Bb7 12. h4 d6 13. Rh3 Nd7 14. Qc2 h6 15. O-O-O c5 16. d5 (16. Kb1 $11 {keeps the balance.} ) 16... b5 (16... exd5 $17 17. cxd5 Nf6) 17. dxe6 fxe6 18. Bh7+ (18. Be4 $1 $14 d5 19. cxd5) 18... Kh8 $11 19. Rxd6 {[#] Hoping for Ne5!} Bxf3 (19... Qe7 $11 { remains equal.} 20. Rd2 b4) 20. Rxf3 $16 Qe7 21. Rxf8+ Rxf8 {[#]} 22. Rd2 $1 b4 23. Bg6 (23. Be4 $16) 23... bxa3 $14 24. Qxa4 ({White should try} 24. bxa3 $14 Ne5 25. h5) 24... Ne5 $36 {[%mdl 2048] Black has some pressure.} 25. h5 axb2+ 26. Rxb2 Qh4 27. g3 Qg4 28. Qb5 Qh3 29. Rd2 Qf1+ 30. Rd1 Qxf2 31. Qxc5 Nxg6 ( 31... Ng4 $5 {[%cal Rg4e3]} 32. Rd3 Qe1+ 33. Kc2 Ra8 $17) 32. hxg6 $15 { [%mdl 4096] Endgame KQR-KQR} Qf6 {( -> ...Qc3+)} 33. Rd4 $1 Kg8 34. Rf4 Qa1+ 35. Kc2 {[%csl Gc5][%cal Rf4f8]} Rb8 {[%mdl 1024] Threatens to win with ...e5. Black has compensation.} 36. Qd4 $2 {[%mdl 8192]} (36. Qc7 $11 Qb1+ 37. Kc3 Rb3+ 38. Kd4 Qd1+ 39. Kc5 Qh5+ 40. Kd6 Qxg6 41. Ke7) 36... Qb1+ $19 37. Kd2 Rb2+ 38. Kc3 Qc2# {Precision: White = 34%, Black = 66%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Melkumyan, Hrant"] [Black "Zhang, Lanlin"] [Result "1-0"] [ECO "A29"] [WhiteElo "2669"] [BlackElo "2179"] [Annotator "TA"] [PlyCount "95"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,95,0,2,0,0,0,-5,-4,6,10,11,11,14,10,37,34,27,30,35,37,37,64,78,58,64, 77,73,88,92,93,129,120,132,112,135,134,128,128,134,133,185,175,258,172,191,189, 343,341,445,446,459,465,465,462,458,463,455,445,387,415,471,435,550,541,859, 839,6279,6299,6295,6211,6252,6211,6211,6211,6207,6207]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 a6 10. d3 f5 11. Be3 Be6 {LiveBook: 3 Games} 12. Nd2 {A29: English Opening: Four Knights Variation with 4 g3} (12. Bc5 Bd6 13. Rc1 Qe7 14. Na4 Nd5 15. e4 fxe4 16. dxe4 Nf6 17. Ng5 Rad8 18. Nxe6 Qxe6 19. Qc2 Nd7 20. Bxd6 cxd6 {0-1 (54) Moravec,V (2180)-Mikalsen,E (2319) Liberec 2016}) 12... Rb8 $146 ({Predecessor:} 12... Kh8 13. Nb3 Nd5 14. Nxd5 Bxd5 15. Bxd5 Qxd5 16. f3 a5 17. Nxa5 Nxa5 18. bxa5 Rxa5 19. a4 Rfa8 {1/2-1/2 (74) Szczecina,M (2069)-Malecki,R (2201) Wysowa 2003} ) 13. Nb3 Nd5 14. Bd2 {The position is equal.} Nxc3 15. Bxc3 Bd5 16. e4 fxe4 17. Bxe4 Bxe4 18. dxe4 Qxd1 19. Rfxd1 Rf3 20. Rac1 Rbf8 21. Rc2 b6 22. Kg2 Bd6 23. Nc1 R3f7 24. Nd3 {Hoping for Ba1.} Re8 25. Nb2 Na7 26. Nc4 Nc8 27. Bd2 h6 28. Be3 Bf8 29. h4 Kh7 30. h5 Re6 {[#]} (30... Rf6 $16) 31. Rd8 $1 $18 { [%cal Rd8c8]} Ne7 (31... Nd6 {was worth a try.}) 32. Rcd2 Ng8 33. R2d5 Be7 $2 ( 33... Nf6 34. Nxe5 (34. Rxe5 Rc6 $16) 34... Nxd5 35. Nxf7 (35. Rxd5 Rff6 $11) 35... Nxe3+ 36. fxe3 Kg8) 34. R8d7 ({Worse is} 34. Rxe5 Rc6 $15) 34... Nf6 35. Rxc7 Rf8 36. Rxe5 Rxe5 37. Nxe5 Bd6 38. Nd7 Bxc7 39. Nxf8+ {[%mdl 4096] Endgame KBN-KBN} Kg8 40. Ne6 Bd6 41. Kf3 {White is clearly winning.} b5 42. Nf4 Bxf4 43. Bxf4 Nxh5 {KB-KN} 44. Be5 Kf7 45. g4 Nf6 46. Bxf6 Kxf6 47. Ke3 g6 48. f4 {Precision: White = 88%, Black = 37%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Gustafsson, Jan"] [Black "Teerapabpaisit, Wisuwat"] [Result "1-0"] [ECO "D71"] [WhiteElo "2643"] [BlackElo "2164"] [Annotator "TA"] [PlyCount "57"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,57,22,32,18,34,26,52,19,8,14,12,3,12,10,47,21,30,18,68,39,64,34,89, 85,119,113,114,104,112,102,98,97,168,166,231,225,380,347,341,338,339,329]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qb6 8. b3 e5 9. Ba3 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (9. Bb2 e4 10. Ne1 d5 11. Ba3 Re8 12. Nc2 Qd8 13. Ne3 Be6 14. Bb2 h5 15. f4 exf3 16. exf3 Na6 17. cxd5 Nxd5 18. Ncxd5 Bxd5 19. Nxd5 Qxd5 { 1/2-1/2 (52) Malakhov,V (2702)-Pridorozhni,A (2556) St Petersburg 2015}) 9... Rd8 {LiveBook: 5 Games} 10. Qd2 Bg4 11. Rad1 {White is slightly better.} Na6 $146 ({Find the theoretical novelty and annotate with similar games:} 11... Bxf3 12. Bxf3 exd4 13. Na4 Qc7 14. Qxd4 Ne8 15. Qf4 Qe7 16. Rd3 Nd7 17. Bxd6 Nxd6 18. Qxd6 Qxd6 19. Rxd6 {1-0 (71) Neverov,V (2516)-Sindarov,J (2224) Al Ain 2015}) 12. h3 (12. Na4 $5 {[%cal Ra4b6]} Qc7 13. dxe5 dxe5 14. Bd6 $16) 12... Bxf3 13. Bxf3 exd4 14. Na4 Qc7 15. Qxd4 {[%cal Ra3d6]} Qa5 (15... d5 $5) 16. Qd2 ({Don't blunder} 16. Bxd6 $2 Ne8 $19) 16... Qf5 17. Kg2 Rd7 18. b4 (18. Bxd6 $6 Rad8 $11) 18... h5 19. Qd3 $36 {[%mdl 2048] aiming for Qxf5. White has the initiative.} Qe5 (19... Qe6 $1 $14) 20. b5 $16 cxb5 21. cxb5 ({But not} 21. Bxd6 $6 Qe6 $14) 21... Nc5 {[#]} 22. Nxc5 $1 dxc5 23. Qc4 Rc7 {[#]} 24. Bc1 $1 {[%cal Rc1f4] And now Bf4 would win.} g5 (24... Qe6 $16 {keeps fighting.} 25. Qxe6 fxe6) 25. Rd3 $18 Rf8 (25... Qf5 $142) 26. Rfd1 Re7 $2 (26... Qe6 27. Qxe6 fxe6) 27. Re3 Qc7 28. Rxe7 Qxe7 29. Bxg5 {Precision: White = 73%, Black = 41%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Gareyev, Timur"] [Black "Zulfic, Fedja"] [Result "1-0"] [ECO "D90"] [WhiteElo "2592"] [BlackElo "2156"] [Annotator "TA"] [PlyCount "47"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,47,39,24,33,-89,-72,-92,38,39,71,75,84,83,171,166,191,177,226,229, 237,235,263,259,293,264,261,263,305,294,404,410,409,415,500,488]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 9. d5 Nd4 10. Nxd4 exd4 11. Qxd4 c6 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 15. Bd3 a5 16. f3 {0-1 (38) Navara,D (2726)-Vachier Lagrave,M (2794) Germany 2018}) 5... c6 6. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} Ne4 7. e3 Qa5 8. Qb3 { LiveBook: 4 Games. White is slightly better.} Nd7 {Black wants to play ...Ndc5! } 9. Bd3 $146 (9. Rc1 $14 {keeps the upper hand.}) ({Predecessor:} 9. cxd5 Nxc3 10. Qxc3 Qxc3+ 11. bxc3 cxd5 12. c4 dxc4 13. Bxc4 {1/2-1/2 (30) Auer,G (2024) -Weber,D (1985) Bayern 2013}) 9... Nxc3 10. bxc3 {[#]} ({Much worse is} 10. Qxc3 Qxc3+ 11. bxc3 f6 $17) 10... h6 ({Better is} 10... f6 $1 $17 11. Bf4 e5) 11. Bf4 $40 {[%mdl 128] White mounts an attack.} Nf6 12. O-O {[%cal Bh1f1, Bf1c1,Bc1c4,Bc4c5][%mdl 32]} O-O 13. Ne5 Nd7 (13... dxc4 $16 {is a better defense.} 14. Bxc4 (14. Nxc4 Qh5 $16) 14... Nd5) 14. Nxd7 $18 Bxd7 15. Qxb7 Qxc3 16. Bxg6 $1 {aiming for Rac1.} (16. Qxd7 $6 Qxd3 17. cxd5 cxd5) 16... Be6 17. Rfc1 ({Much less strong is} 17. Qxc6 $6 Rac8) 17... Qa3 18. Bc2 ({Weaker is } 18. Qxc6 Rac8 $14) 18... Rac8 19. Bb3 dxc4 20. Bxc4 Bxc4 21. Rxc4 c5 22. Qxe7 Rfe8 23. Qb7 Rcd8 {[%cal Rc5d4]} 24. Rxc5 {Precision: White = 57%, Black = 22%. } 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Krysa, Leandro"] [Black "Chan, Kim Yew"] [Result "1-0"] [ECO "E16"] [WhiteElo "2543"] [BlackElo "2148"] [Annotator "TA"] [PlyCount "99"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,99,31,35,37,60,52,57,62,81,79,87,84,88,73,62,66,70,61,88,61,76,72,72, 76,89,78,70,7,61,67,67,62,67,67,67,62,114,68,126,114,114,81,127,127,130,130, 130,121,232,225,220,225,312,313,604,296,291,290,290,275,407,276,272,264,415, 314,335,337,324,321,323,322,393,352,363,353,346,360,934,973,956,925,818,804]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. e3 {E11: Bogo-Indian} O-O 7. Bg2 Bxd2+ 8. Qxd2 d6 9. Nc3 e5 {LiveBook: 3 Games} 10. O-O exd4 $146 ({ Predecessor:} 10... e4 11. Ne1 Bf5 12. Nc2 a5 13. a3 a4 {1-0 (29) Anand,V (2784)-Kollars,D (2436) Gibraltar 2016}) 11. Nxd4 Nxd4 12. Qxd4 c5 13. Qf4 Be6 14. Rfd1 Rfd8 15. Rd2 h6 16. h4 Rd7 17. Rad1 {[%cal Rd2d6]} Rad8 18. b3 Nh5 19. Qf3 Nf6 20. Qe2 h5 21. Bf3 g6 22. Ne4 ({Better is} 22. Kg2 $14) 22... Nxe4 ( 22... Nh7 $11) 23. Bxe4 $14 Qf6 24. Bd5 $36 {[%mdl 2048] White fights for an advantage.} Bg4 25. f3 Be6 26. e4 Kf8 (26... Re8 $14) 27. Qe3 Kg7 (27... Re8 $14) 28. Bxe6 $16 Qxe6 29. Qc3+ Kf8 30. Kg2 f6 31. Rd5 Kf7 32. Qe3 Ke7 (32... Kg7 $16 33. Qd3 b6) 33. Qh6 $18 Qg8 {[#]} 34. f4 $1 Ke8 35. f5 Rg7 $2 (35... Qg7 36. Qxg6+ Qf7) 36. fxg6 (36. Rxd6 $142 Rxd6 37. Rxd6 gxf5 38. Qd2 Rxg3+ 39. Kh2 Rh3+ 40. Kxh3 Qg4+ 41. Kh2 Qxh4+ 42. Kg1 Qg3+ 43. Kf1 Qf3+ 44. Qf2 Qh1+ 45. Ke2 Qxe4+ 46. Kd2) 36... Rxg6 37. Qxh5 Ke7 38. Qf3 Qf7 (38... Qe6 $142 39. Qf5 Rg4 40. Qh7+ Qf7 41. Qxf7+ Kxf7 42. Rxd6 Rxd6 43. Rxd6 Rxe4) 39. Qf4 Qe6 40. Qf5 Qf7 (40... Qg8 $142) 41. e5 fxe5 {[#]} 42. Rxe5+ $1 {[%mdl 512]} dxe5 43. Qxf7+ Kxf7 44. Rxd8 {[%mdl 4096] Endgame KR-KR} Ke6 45. h5 Rg5 46. h6 Rh5 47. Rh8 Kf6 $2 (47... Kf5 48. Kf3 Rh2) 48. g4 {White is clearly winning.} Rh4 49. Kg3 Rh1 50. Rg8 {Precision: White = 68%, Black = 36%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Tran, Tuan Minh"] [Black "Kwon, Sehyun"] [Result "1/2-1/2"] [ECO "E49"] [WhiteElo "2514"] [BlackElo "2131"] [Annotator "TA"] [PlyCount "99"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 30,99,38,6,71,42,75,75,77,66,91,66,71,46,30,37,93,81,165,154,235,211, 222,215,220,207,306,286,285,198,284,138,130,135,137,130,119,124,98,71,125,144, 145,95,111,0,0,0,0,-184,0,0,0,0,0,0,0,0,0,0,0,0,0,-1652,-1552,-12844,-12844, -12841,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6 11. f3 Bxd3 12. Qxd3 Re8 13. Ng3 Nc6 14. Bb2 c4 15. Qe2 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} (15. Qd2 h5 16. Rae1 h4 17. Nh1 Re6 18. Nf2 Qe7 19. Re2 b5 20. Rfe1 a5 21. e4 b4 22. axb4 axb4 {0-1 (34) Potkin,V (2574)-Aleksandrov,A (2589) Tallinn 2018}) 15... h5 16. Rae1 {LiveBook: 10 Games} g6 (16... h4 $11 {remains equal.} 17. Nf5 Ne7 18. Nxe7+ Rxe7) 17. Qf2 {White is better.} Qd7 18. Bc1 b5 19. e4 { [%cal Be3e4,Be4e5][%mdl 32]} Ne7 $146 ({Predecessor:} 19... h4 20. Nh1 dxe4 21. Qxh4 Nd5 22. fxe4 Nxc3 {1-0 (55) Batsiashvili,N (2474)-Exler,V (2220) Baku 2016 }) 20. Bf4 a5 21. Qb2 Ra6 22. Bg5 Kg7 (22... Rb6 $14) 23. e5 $16 Nfg8 (23... Nh7 $16 24. Bh4 Rb6) 24. f4 $1 $18 Rb8 {[#]} (24... b4 $16 {was worth a try.}) 25. f5 $1 {[%mdl 512]} Nxf5 26. Nxf5+ gxf5 27. Qe2 b4 (27... Kg6 $142) 28. axb4 ({Less strong is} 28. Qxh5 Rg6 $16) 28... axb4 29. cxb4 Rxb4 (29... Qe6 $142 30. Qc2 (30. Qxh5 Qg6 $16) 30... Kg6) 30. Bd2 (30. Qxh5 $18 {is the precise move to win.} Rg6 31. Rf4) 30... Rb3 31. Qxh5 Rd3 32. Be3 Nh6 33. Rf3 Rg6 34. Ref1 Ng4 (34... Qa7 $142 35. Bxh6+ Rxh6 36. Qxf5 (36. Qg5+ Rg6 $11) 36... Rxf3 37. Qxf3 Qxd4+ 38. Kh1 Qa7) 35. Rh3 $1 $16 {[%csl Gh3][%cal Rh5h8]} Kf8 36. Qh8+ Ke7 {[#]} 37. Bc1 (37. Qh4+ $1 $16 Ke8 38. Bc1) 37... Qa7 $1 $36 {[%cal Ra7d4][%mdl 2048] Black is pushing.} 38. Rxd3 cxd3 39. Qc8 $2 {[#]} (39. Kh1 $11 {and White is okay.} d2 40. Qh4+ (40. Bxd2 Nf2+ 41. Kg1 Qxd4 $11) 40... Ke6 41. Qd8 Nf2+ 42. Kg1 Nh3+ 43. Kh1 Nf2+ 44. Kg1 Nh3+ 45. Kh1 Nf2+) 39... Qxd4+ $2 ({Better is} 39... d2 $1 $19 40. Bxd2 Qxd4+ 41. Kh1 Qxd2 42. Qxf5 Nh6) 40. Kh1 {Ba3+ would kill now.} Qxe5 {[%csl Gg4][%cal Re5h2]} 41. Ba3+ Kf6 {[%csl Gg4][%cal Re5h2]} 42. Qh8+ Ke6 43. Qe8+ Kf6 {[%csl Gg4][%cal Re5h2]} 44. Qh8+ Ke6 45. Qe8+ Kf6 {[%csl Gg4][%cal Re5h2]} 46. Be7+ $2 {[%mdl 8192]} (46. Qh8+ $11 Ke6) 46... Qxe7 $19 47. Rxf5+ Kxf5 48. Qxe7 Nf2+ $2 (48... d2 $19 49. Qd7+ Kf6 50. Qc6+ Kg7 51. Qxd5 Nf2+ 52. Kg1 d1=Q+ 53. Qxd1 Nxd1) 49. Kg1 $11 d2 50. Qxf7+ {Precision: White = 63%, Black = 41%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Deepan Chakkravarthy J"] [Black "Wang, Shixu B"] [Result "1-0"] [ECO "A46"] [WhiteElo "2499"] [BlackElo "2123"] [Annotator "TA"] [PlyCount "77"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,77,-1,0,-7,-4,0,6,4,20,4,38,36,27,29,56,43,63,30,89,72,96,102,87,50, 110,110,129,112,112,109,124,125,158,155,172,159,197,217,211,214,182,145,145, 145,145,138,141,143,177,172,159,156,174,136,2557,2660,2216,2072,1904,1826, 29990,29991,29994,29995,29995,29994,29996,29997]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. Ne5 Be7 {LiveBook: 18 Games. D05: Colle System with ... e6} 7. a4 $146 ({Predecessor:} 7. Nd2 O-O 8. b3 c5 9. Bb2 Nc6 10. f4 Nb4 11. Be2 Ne4 12. Nxe4 dxe4 13. Bc4 Nd5 14. Qe2 f6 15. Ng4 Qc8 16. Rad1 Rd8 17. Kh1 a6 18. dxc5 Qxc5 19. Bd4 {1/2-1/2 (44) Bruzon Batista,L (2673)-Quesada Perez,Y (2635) Khanty-Mansiysk 2011}) 7... O-O 8. a5 bxa5 {The position is equal.} 9. Bd2 c5 10. Bxa5 Qd6 11. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32] Black must now prevent Nb5.} a6 12. Na4 Nbd7 13. f4 c4 14. Be2 Rab8 (14... Bc6 $11) 15. b4 Bc6 16. Nc5 $1 Bb5 17. c3 Rbc8 ({Better is} 17... Ne4 $14) 18. Qc2 $16 g6 19. Ra2 Qb8 20. Bf3 Kg7 21. g3 Nxe5 22. fxe5 Nd7 {[%cal Rd7c5]} 23. e4 Bxc5 24. bxc5 dxe4 25. Bxe4 f6 26. c6 Bxc6 27. Bb4 Rf7 28. Rxa6 Qb5 29. Rfa1 $1 {Strongly threatening Qb1.} f5 30. Bxc6 Rxc6 31. Ra7 Qd5 32. Qg2 $1 Nb6 $2 {[%mdl 8192]} (32... Qxg2+ $16 33. Kxg2 Rb6) 33. Rxf7+ $18 Kxf7 {[#]} 34. Qh3 $1 {[%cal Rh3h7]} Kg8 35. Ra7 {[%csl Ga7][%cal Rh3h7]} h5 {[#]} 36. Qh4 $1 {White mates.} Nc8 {[#]} 37. Qf6 $3 {[%csl Ga7][%cal Rf6g7][%mdl 512]} Nxa7 38. Qxg6+ Kh8 39. Be7 {Precision: White = 81%, Black = 24%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Hiebert, Kenji"] [Black "Short, Nigel D"] [Result "0-1"] [ECO "A41"] [WhiteElo "2179"] [BlackElo "2662"] [Annotator "TA"] [PlyCount "80"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,80,58,53,58,56,12,33,13,7,8,12,0,26,12,16,16,22,13,22,0,0,9,16,-13,3, 8,16,-43,-9,-44,-38,-56,-54,-63,-59,-56,-16,-17,-17,-12,0,-91,-93,-56,0,-45, -32,-42,-18,-50,0,0,-9,0,-10,-67,0,0,0,0,0,0,562,560,554,-5489,-5389,-1514, -1760,-5597,-5597]} 1. Nf3 d6 2. d4 Bg4 3. e4 Nf6 4. Bd3 e5 5. c3 Nbd7 6. O-O { A41: 1 d4 d6: Tartakower System and Modern Defence} Be7 {LiveBook: 4 Games} 7. Re1 O-O 8. Bg5 $146 {White is slightly better.} ({Predecessor:} 8. Nbd2 Re8 9. h3 Bh5 10. Nf1 Bf8 11. Ng3 Bg6 {1-0 (41) Wen,Y (2581)-Yu,C (2132) China 2014}) 8... h6 9. Bh4 (9. Bc1 {is interesting.} Nh7 10. Be2 Bh5 11. Nbd2 Bg6 12. Bd3) 9... Nh7 10. Bxe7 Qxe7 11. Be2 Bh5 12. Nbd2 Bg6 13. a4 a5 14. Bd3 Rfe8 15. Nf1 Ng5 16. Nxg5 Qxg5 17. Qc2 h5 18. Nd2 h4 19. g3 (19. h3 $11) 19... Qf6 20. dxe5 dxe5 21. Nc4 Nc5 22. Rad1 Red8 23. Re3 Rxd3 24. Rdxd3 Nxd3 25. Qxd3 b6 26. Qd5 (26. Qd7 $11 {remains equal.}) 26... Rd8 $17 27. Qxe5 h3 (27... Qc6 $1 $15 28. b3 f6) 28. Kf1 Rd1+ {[%mdl 1024] Black has compensation.} 29. Ke2 Qd8 {White should prevent ...f5!} 30. Qb5 Rh1 $40 {[%csl Gh1][%cal Rd8d1][%mdl 128] [#] White needs to defend precisely.} 31. Rd3 Qa8 32. Rd4 $1 {aiming for Qg5.} Bxe4 33. Nd2 (33. Qd7 $11 Bf3+ 34. Ke3 Re1+ 35. Kd3) 33... Bg6 ({Black should try} 33... Bc6 $15 34. Qe5 Qe8 35. Qxe8+ Bxe8) 34. Qd7 $11 c5 $1 {[%cal Rc5d4]} 35. Rd6 {[#] And now Qe7 would win.} ({Don't play} 35. Qd8+ Qxd8 36. Rxd8+ Kh7 $17) 35... Rxh2 {Strongly threatening ...f6.} 36. Qe7 Rxf2+ $2 {[%mdl 8192]} (36... Bh5+ $11 {and Black has nothing to worry.} 37. Kd3 Qh1) 37. Kxf2 $18 Qg2+ 38. Ke1 $4 {[%mdl 8192]} (38. Ke3 $18 Qxg3+ 39. Nf3) 38... Qxg3+ $19 {Black is clearly winning.} 39. Kd1 h2 40. Rd8+ Kh7 {Precision: White = 24%, Black = 56%. } 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Salvador, Louie"] [Black "Flores, Diego"] [Result "0-1"] [ECO "B07"] [WhiteElo "2176"] [BlackElo "2601"] [Annotator "TA"] [PlyCount "108"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,108,21,21,16,16,25,20,28,-40,-25,-49,-49,-50,-50,-50,-56,-57,-57,-83, -58,-81,-69,-84,-72,-70,-37,-55,-6,-49,-50,-49,-56,-92,-77,-106,-102,-127,-26, -22,-22,-31,-36,-45,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,-147,-4,-12,0,0,0, -67,-60,-59,-64,-66,-51,-42,-30,-52,-20,-22,0,-7,0,-9,-9,-635,-627,-908,-890, -1000,-984,-29988,-29989,-29983,-29984]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. dxe5 dxe5 8. h3 Bxf3 9. Qxf3 {LiveBook: 20 Games} Bb4 { B07: Pirc Defence: Miscellaneous Systems} (9... exf4 10. Bxf4 Nbd7 11. e5 Nxe5 12. Qe2 Bd6 13. O-O-O O-O 14. Bxh7+ Nxh7 15. Rxd6 Ng6 16. Rf1 Rad8 17. Qc4 Nxf4 18. Rxd8 Rxd8 19. Rxf4 {1/2-1/2 (80) Shukuraliev,A (2360)-Galego,L (2495) Istanbul 2012}) 10. Bd2 exf4 11. Qxf4 {Black must now prevent 0-0.} Nbd7 { The position is equal.} 12. O-O $146 ({White should try} 12. a3 $11) ({ Predecessor:} 12. a3 O-O 13. O-O-O Be7 14. Nb5 Qd8 15. Nd4 Nc5 16. Nf5 Nxd3+ 17. cxd3 {1-0 (38) Haslinger,S (2170)-Shepherd,A (1910) Bolton 1997}) 12... Qe5 $15 13. Qh4 Bd6 14. Bf4 Qc5+ 15. Kh1 Bxf4 16. Qxf4 {[#] Hoping for e5!} O-O 17. Rae1 Rae8 18. Nd1 {[%cal Bc3d1,Bd1e3,Be3f5][%mdl 32]} Ne5 19. Ne3 Ng6 20. Qf3 b5 21. Nf5 {Black should prevent Nxg7!} Nd7 22. h4 Nge5 23. Qg3 {[%csl Gf5] [%cal Rg3g7]} g6 24. h5 Kh8 25. h6 Rg8 26. Ng7 Rxg7 (26... Rd8 $17 27. b3 Qa3) 27. hxg7+ $11 Kxg7 28. c3 Nf6 {[%cal Bd7f6,Bf6h5,Bh5g3][%mdl 32]} 29. Bc2 Nh5 30. Qh4 {Threatens to win with g4.} Qe7 31. Qxe7 Ng3+ 32. Kg1 Rxe7 33. Rf2 h5 34. Rd1 Nc4 35. Bd3 Ne3 36. Re1 Ng4 37. Rf3 h4 38. Bc2 f5 39. e5 (39. Rd3 $1 $11) 39... c5 (39... Nxe5 $17 40. Rfe3 Kf6) 40. e6 c4 41. Rf4 Kf6 42. a4 (42. Rd4 $11) 42... Rxe6 $15 43. Rxe6+ Kxe6 {[%mdl 4096] Endgame KRB-KNN} 44. Bd1 $1 {[%cal Rd1g4]} Ne3 45. Rd4 bxa4 ({Much worse is} 45... Nxd1 $6 46. Rxd1 a6 47. Rd8 $14) 46. Kf2 f4 47. Bxa4 g5 {[%cal Bg6g5,Bg5g4,Bg4f3,Bf3f2][%mdl 32]} 48. Bb5 Ke5 49. Rd7 g4 {...Ne4+ is the strong threat.} 50. Rh7 $2 {[%mdl 8192]} ( 50. Rxa7 $11 Nd1+ 51. Kg1) 50... Ne4+ $19 51. Kg1 {[#] Threatening Re7+.} f3 $1 {[%cal Rf3f2]} 52. gxf3 gxf3 {( -> ...f2+)} 53. Bxc4 f2+ 54. Kh2 Nxc4 { Precision: White = 37%, Black = 56%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Portugalera, Ric"] [Black "Smirnov, Anton"] [Result "0-1"] [ECO "A46"] [WhiteElo "2160"] [BlackElo "2546"] [Annotator "TA"] [PlyCount "66"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,66,23,71,11,16,2,17,14,11,10,21,14,14,17,13,-15,-8,-16,-6,-15,-9,-17, -11,-13,-20,-15,0,0,0,0,0,4,11,-7,0,0,0,0,0,0,9,-16,0,0,0,-8,0,-45,-66,-113, -100,-100,-95,-195,-187,-321,-309,-611,-604]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 h6 5. Bxf6 (5. Bh4 b6 6. e3 Bb7 7. Nbd2 Be7 8. Bd3 Nc6 9. a3 O-O 10. O-O cxd4 11. cxd4 Rc8 12. Qe2 Nh5 13. Bxe7 Qxe7 14. Rac1 Nf6 15. Rc2 Nb8 16. Rfc1 Rxc2 17. Rxc2 Rc8 18. Rxc8+ Bxc8 19. e4 {1-0 (58) Carlsen,M (2837)-Korobov,A (2652) Riadh 2017}) 5... gxf6 6. g3 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} (6. e4 $16) 6... d5 $11 7. Bg2 $146 ({Predecessor:} 7. Nbd2 f5 8. Qc2 Qc7 9. Rc1 Bg7 10. e3 Bd7 11. a3 c4 12. Nh4 Bf6 {1/2-1/2 (40) Gerstenberg,L (1705)-Kampfrath,S (1582) Bad Sooden 2004}) 7... Qb6 8. Qc2 { The position is equal.} Nc6 {[%cal Rc5d4]} 9. e3 e5 {[%cal Rc5d4]} 10. dxc5 Bxc5 11. O-O Be6 12. a4 Be7 13. Na3 a6 14. Nh4 e4 15. c4 Nb4 16. Qe2 f5 { ...Bxh4 is the strong threat.} 17. Qh5 $1 Bxh4 18. Qxh4 Qd8 19. Qxd8+ Rxd8 20. cxd5 Rxd5 21. Rfc1 Nd3 22. Rc7 Rd7 23. Rc8+ Rd8 24. Rc7 O-O 25. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rd7 $36 {[%mdl 2048] Black is more active.} 26. Rxd7 Bxd7 27. b5 Rc8 28. Bf1 Rc3 29. h4 a5 30. Be2 Be6 31. Bd1 {[#]} (31. Kf1 $17 { is a better defense.}) 31... Nb2 $1 $19 {[%cal Rb2d1]} 32. Bc2 (32. Be2 { might work better.}) 32... b6 33. Kf1 $2 (33. g4 fxg4 34. Bxe4) 33... Nc4 { Precision: White = 32%, Black = 77%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Phadke Sohan"] [Black "Swapnil, S. Dhopade"] [Result "1-0"] [ECO "A45"] [WhiteElo "2150"] [BlackElo "2526"] [Annotator "TA"] [PlyCount "75"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,75,-7,13,13,41,34,70,74,90,81,124,110,82,116,116,104,99,13,110,104, 155,148,149,145,174,157,241,194,250,129,277,277,394,390,405,414,475,475,459, 445,425,406,391,345,553,561,528,347,936,822,1229,1110,1034,987,2178,2077,5493, 5485,29992,29993,29994,29995]} 1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 gxf6 5. Nc3 Nc6 6. Qh5 e6 {D01: Veresov Opening} 7. O-O-O cxd4 8. exd4 f5 {LiveBook: 5 Games. The position is equal.} (8... Bb4 9. Nge2 Bd7 10. h4 Qe7 11. a3 Ba5 12. Rh3 O-O-O 13. Re3 {1/2-1/2 (39) Rapport,R (2707)-Vachier Lagrave,M (2789) Riadh 2017}) 9. Bb5 $146 ({Predecessor:} 9. f4 Bd7 10. Nf3 Qf6 11. Ne5 Nxe5 12. dxe5 Qe7 13. Bb5 Bc6 14. Rd3 {0-1 (37) Bocharov,D (2602)-Yuffa,D (2373) Taganrog 2014}) 9... Qf6 10. Qe2 Bh6+ 11. Kb1 O-O 12. Nf3 Bg7 13. h3 a6 14. Bxc6 $1 bxc6 15. Na4 Qe7 16. Nc5 (16. g4 $16) 16... f6 (16... e5 $1 $11 { remains equal.}) 17. Nh4 $36 {[%mdl 2048] Nxf5! is the strong threat. White is on the roll.} Qf7 (17... Qd6 $142) 18. f4 $16 e5 19. g4 ({Inferior is} 19. fxe5 fxe5 20. dxe5 Qe7 $11) (19. dxe5 Qe7 $11) 19... fxg4 20. hxg4 exd4 (20... exf4 $16 {keeps fighting.} 21. Nf5 Re8) 21. Rde1 Bd7 (21... Qa7 $142) 22. Nf5 (22. Qd3 $18) 22... Bxf5 (22... Rfe8 $16 23. Ne7+ Rxe7 24. Qxe7 Bxg4) 23. gxf5 $18 Rfe8 (23... Rfb8 $142 24. Ne6 Bf8 25. Nxd4 Kh8) 24. Ne6 Bf8 25. Qf2 (25. Reg1+ Kh8 $18) 25... Kh8 26. Qxd4 Ra7 27. Re2 {[%cal Be1e2,Be2d2,Bd2d8,Bd8d5,Bd5h5, Bh5h7][%mdl 32]} c5 28. Qxd5 Qb7 29. Qd1 Rb8 $2 {[#]} (29... Qf3 {was called for.} 30. Nd4 Qa8) 30. b3 Qf3 31. Rd2 Qe4 $2 (31... Qxd1+ 32. Rhxd1 Be7) 32. Re1 Qxf5 33. Rd8 Raa8 34. Rd5 ({Weaker is} 34. Rxf8+ Rxf8 35. Nxf8 Rxf8 $18) 34... Qh3 35. Rh5 Qg2 36. Qd7 {[%csl Gh5][%cal Rd7h7] [#]} Qg6 37. Reh1 Kg8 38. Rxh7 {Precision: White = 73%, Black = 18%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Siddharth, Jagadeesh"] [Black "Lorparizangeneh, Shahin"] [Result "0-1"] [ECO "D11"] [WhiteElo "2137"] [BlackElo "2508"] [Annotator "TA"] [PlyCount "76"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,76,0,-14,0,0,0,-13,-1,-22,0,0,0,-18,-20,-31,-35,-38,-30,-85,-85,-117, -109,-127,-120,-118,-117,-193,-187,-231,-251,-368,-370,-366,-374,-470,-352, -397,-377,-333,-324,-424,-429,-417,-412,-468,-459,-506,-456,-807,-433,-1366, -1379,-1523,-1498,-29976,-29976,-29968,-6135,-29976,-29977,-29995,-29996]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 g6 6. O-O {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Bg7 7. a4 Ne4 (7... Na6 8. Na3 Be6 9. Ng5 Qd7 10. Nxe6 Qxe6 11. e3 Ne4 12. Qc2 Nd6 13. Bd2 O-O 14. Rac1 {1-0 (43) Dubov, D (2701)-Volokitin,A (2639) Batumi 2018}) 8. Qc2 Nd6 9. Bf4 {LiveBook: 3 Games} Bf5 10. Qc1 O-O $146 ({Predecessor:} 10... Na6 11. Na3 O-O 12. Bh6 Bxh6 13. Qxh6 f6 14. Qc1 {0-1 (39) Vignesh,N (2365)-Kovchan,A (2576) Dubai 2015}) 11. Na3 Be4 12. Rd1 Na6 13. Nxc4 Nb4 14. Nxd6 exd6 15. Ne1 Bxg2 16. Nxg2 Re8 17. Qd2 (17. Bd2 $11 Nd5 18. e3) 17... a5 $17 18. Re1 Re4 19. Be3 Qb6 20. d5 c5 21. f3 {[#]} (21. Red1 $17) 21... Re5 $1 $19 22. Rad1 Rae8 {White must now prevent ...Rxe3!} ({And not} 22... Nxd5 23. Bf2 $11) 23. Bf4 (23. Kf1 $142) 23... Rxd5 24. Qc1 Rxd1 25. Rxd1 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 26. Qd2 d4 27. Rc1 Qc6 28. Ne1 b6 29. Nd3 Qxa4 30. Nf2 Qb3 31. Ne4 Nd5 32. Bh6 (32. Qd3 $142 Qxd3 33. exd3) 32... f5 33. Nd6 (33. Bxg7 $142 fxe4 34. fxe4) 33... Bxh6 34. Qxh6 Rxe2 35. Nxf5 gxf5 36. Qg5+ Kf7 37. Qxf5+ Nf6 38. Qd7+ Nxd7 {Precision: White = 18%, Black = 71%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.14"] [Round "2"] [White "Kienitz, Andre"] [Black "Ly, Moulthun"] [Result "0-1"] [ECO "B05"] [WhiteElo "2125"] [BlackElo "2498"] [Annotator "TA"] [PlyCount "62"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,62,54,59,92,79,65,50,48,21,27,14,19,-42,-29,-44,0,0,0,-50,-36,-15, -24,-70,0,-55,-60,-57,-23,-30,-33,-114,-102,-192,-199,-277,-259,-271,-259,-415, -398,-367,-362]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 {[%cal Bc8g4,Bg4h5, Bh5g6][%mdl 32]} 5. Be2 e6 6. h3 Bh5 7. c4 Nb6 8. Nc3 {B05: Alekhine's Defence: 4 Nf3 Bg4} Be7 9. exd6 cxd6 10. d5 e5 11. g4 Bg6 12. h4 {[%cal Bh3h4,Bh4h5] [%mdl 32] LiveBook: 33 Games} h6 (12... h5 13. gxh5 Bxh5 14. c5 N6d7 15. cxd6 Bxd6 16. Ng5 Nf6 17. Bxh5 Nxh5 18. Qf3 Nf4 19. Bxf4 exf4 20. O-O-O Nd7 21. Rhe1+ Kf8 22. Ne6+ {1-0 (22) Robson,R (2680)-Yermolinsky,A (2515) Saint Louis 2015}) 13. h5 Bh7 14. Be3 Na6 $146 ({Find the theoretical novelty and annotate with similar games:} 14... N8d7 15. Bd3 e4 16. Bxe4 Bxe4 17. Bxb6 Bxf3 18. Bxd8 Bxd1 19. Bxe7 {1-0 (51) Polschikov,A (2362)-Dolezal,J (1956) Pardubice 2010}) 15. Bd3 Bxd3 16. Qxd3 Qc8 $1 {[%cal Rc8g4]} 17. Bxb6 (17. b3 $11) 17... axb6 $15 18. Rg1 $1 O-O 19. g5 Nb4 20. Qe2 {With the idea gxh6.} (20. Qe4 $5 { [%cal Rg5h6]}) 20... Qf5 $36 {[%mdl 2048] Black is pushing.} 21. Ne4 {Black must now prevent gxh6.} hxg5 22. Nfxg5 Nxa2 (22... Qf4 $15) 23. Qf3 ({White should play} 23. Rd1 $1 $11) 23... Qxf3 24. Nxf3 Nb4 25. Rxa8 Rxa8 26. Kd2 {[#] } (26. Ke2 $15) 26... b5 $1 {[%mdl 512]} 27. Kc3 (27. Ng3 $17 {might work better.}) (27. cxb5 Nxd5) 27... Na2+ $19 28. Kb3 (28. Kc2 {was necessary.} bxc4 29. Kb1) 28... bxc4+ 29. Kxc4 {next Kb3 is good for White.} Ra4+ 30. Kb3 $2 { [#]} (30. Kd3 {is the only way for White.}) 30... Rxe4 31. Kxa2 Rf4 {Precision: White = 37%, Black = 88%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Short, Nigel D"] [Black "Batchimeg, Tuvshintugs"] [Result "1/2-1/2"] [ECO "C11"] [WhiteElo "2662"] [BlackElo "2391"] [Annotator "TA"] [PlyCount "72"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,72,18,9,0,15,0,0,0,293,280,286,285,297,296,574,272,262,108,83,-29, -29,-33,-32,-33,-33,-30,-27,-29,-32,-29,-39,-133,-128,-118,-89,-137,-105,-96, -10,-23,-11,-12,-12,-101,-11,-34,-53,-66,-66,-66,-66,-64,-66,-62,-61]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. Bc4 Be7 9. Qe2 O-O 10. O-O-O {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} c5 {LiveBook: 5 Games} 11. h4 cxd4 $146 ({Predecessor: } 11... Rb8 12. d5 exd5 13. Bxd5 Qc7 14. Neg5 Nb6 15. Qe4 g6 16. Bxf7+ Rxf7 17. Nxf7 Kxf7 18. h5 Kg7 19. hxg6 hxg6 20. g4 Bf6 21. g5 Be7 22. Rde1 {1-0 (22) Short,N (2684)-Gomez,J (2511) Jakarta 2013}) 12. Rxd4 {The position is equal.} Qc7 13. Neg5 Bf6 $2 {[%mdl 8192] [#]} (13... Nf6 $11) 14. Qe4 $1 $18 {[%csl Gg5][%cal Re4h7][%mdl 512]} g6 15. h5 Nc5 16. Qh4 $1 ({Worse is} 16. Qf4 Qxf4+ 17. Rxf4 Bxg5 $14) 16... b5 $2 (16... h6 {was necessary.}) 17. Bxb5 (17. Rf4 $142 Qe7 18. Rxf6 $1 {[%mdl 512]} Qxf6 19. hxg6) 17... Bxd4 18. Nxd4 (18. Qxd4 $18 Bb7 19. hxg6 fxg6 20. Rxh7 Qf4+ 21. Qxf4 Rxf4 22. Ne5) 18... f6 $16 19. hxg6 (19. Ne4 $16 g5 20. Nxf6+ $1 {[%mdl 512]} Rxf6 21. Qxg5+ Kf7 22. Be8+ Kxe8 23. Qxf6 Nd3+ 24. Kb1) 19... fxg5 $11 20. Qxh7+ Qxh7 21. Rxh7 Rf6 $1 { Threatens to win with ...Ba6.} ({Avoid the trap} 21... Rxf2 $2 22. Nc6 $18) 22. Be8 $1 {aiming for Nc6.} Bb7 23. Bf7+ {[#]} Rxf7 $1 24. Rxf7 {Strongly threatening b4.} (24. gxf7+ Kxh7) 24... Bxg2 25. b4 (25. f3 $1 $15) 25... Rd8 $17 26. Nb5 Nd7 27. Nxa7 Ne5 28. Rc7 Nxg6 (28... Rf8 $17 29. Rc8 Ng4) 29. b5 $11 Nf4 30. a4 Nd5 31. Rc4 {[#]} (31. Rc5 $11 {keeps the balance.}) 31... Ra8 ( 31... Nb6 $1 $17 {[%cal Rb6c4]} 32. Rg4 Bf3 33. Rxg5+ Kf7) 32. Nc8 Bf1 { Black is slightly better.} 33. Rc6 Rxa4 34. Rxe6 Bxb5 {And now ...Kf7 would win.} 35. Re5 Bc6 {Hoping for ...Kf7.} 36. Rxg5+ Kf7 {Precision: White = 52%, Black = 56%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Flores, Diego"] [Black "Williams, Justus"] [Result "1-0"] [ECO "A13"] [WhiteElo "2601"] [BlackElo "2364"] [Annotator "TA"] [PlyCount "73"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,72,64,66,56,7,20,18,36,32,51,20,24,17,368,361,351,351,846,828,820, 825,809,810,916,899,901,902,885,883,867,862,852,842,822,724,702,691,802,785, 772,745,29991,1076,29992,762,29993,29994,29996,29997,29998,29999,29999]} 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. e3 b6 5. d4 cxd4 6. exd4 Bb7 7. Bd3 Be7 8. O-O O-O 9. d5 Bb4 10. Bg5 {E14: Queen's Indian: Classical Variation (4 e3)} Bxc3 11. bxc3 h6 12. Bh4 $1 {LiveBook: 3 Games. White is slightly better.} Na6 $146 ({ Predecessor:} 12... exd5 13. Nd4 dxc4 14. Bxc4 d5 15. Bd3 Nbd7 16. Re1 Re8 17. Qd2 Qc7 {1/2-1/2 (37) Plachetka,J (2402)-Bokros,A (2460) Slovakia 2006}) 13. Nd4 Nc5 14. Re1 Nxd3 15. Qxd3 Ba6 $1 16. Rad1 Rc8 $1 17. Qh3 $36 {[%cal Rd5e6] [%mdl 2048] White is more active.} Rxc4 $2 {[%mdl 8192]} (17... Bxc4 $11 { and Black stays safe.} 18. dxe6 fxe6) 18. dxe6 $18 dxe6 19. Nxe6 Qc8 $2 {[#]} ( 19... Qxd1 20. Rxd1 Bc8) 20. Bxf6 $1 fxe6 {[#]} 21. Bxg7 $1 {[%mdl 512]} Kxg7 22. Rxe6 h5 23. Re7+ Rf7 24. Rxf7+ Kxf7 25. Qxh5+ Ke7 26. Qh7+ Ke6 27. Qg6+ Ke7 28. Qg7+ Ke6 29. Qh6+ Ke7 30. Qg5+ Ke6 31. Rd8 Qc5 32. Qg8+ (32. Qg6+ $142 Ke7 33. Qe8+ Kf6 34. Rd7 Kg5 35. Rg7+ Kf5 36. Rf7+ Kg4 37. h3+ Kh4 38. Qh8+ Kg5 39. Qf6+ Kh5 40. Rh7#) 32... Ke7 33. Qe8+ Kf6 34. Rd7 {White mates.} Qc8 35. Qf7+ Ke5 36. Rd5+ Ke4 37. Qf3# {Precision: White = 77%, Black = 38%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Smirnov, Anton"] [Black "Stokke, Kjetil"] [Result "1/2-1/2"] [ECO "D85"] [WhiteElo "2546"] [BlackElo "2335"] [Annotator "TA"] [PlyCount "57"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,57,-10,0,12,31,32,26,14,-10,-7,0,0,0,0,-14,-14,-7,-7,-6,-3,-14,-16, -16,-20,-19,-20,-21,-19,-16,-14,-15,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 Qa5 9. Qd2 Nc6 10. Rb1 a6 { D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (10... O-O 11. Rb5 Qc7 12. d5 Ne5 13. Rxc5 Nxf3+ 14. gxf3 Qd7 15. Bd4 b6 16. Rb5 Ba6 17. Rb3 Bxf1 18. Kxf1 Qh3+ {1/2-1/2 (32) Sjugirov,S (2650)-Dubov,D (2683) St Petersburg 2017}) 11. Rc1 f5 12. Bd3 cxd4 13. cxd4 Qxd2+ 14. Kxd2 {[#] LiveBook: 11 Games} fxe4 $146 (14... Rf8 {is more complex.} 15. exf5 Bxf5 16. Rc5 O-O-O 17. Rb1 Rd6) ({Predecessor:} 14... O-O 15. exf5 Bxf5 16. Rb1 b5 17. Rhc1 Na5 18. Rc5 Bxd3 19. Kxd3 {1/2-1/2 (32) Werle,J (2551)-Naumann,A (2561) Novi Sad 2016}) 15. Bxe4 {[#] Black must now prevent Rxc6.} Bf5 16. Bxc6+ bxc6 17. Ne5 {The position is equal.} Bxe5 18. dxe5 Be4 19. f3 Bd5 20. a3 Kd7 21. Rb1 Rhb8 22. Bb6 Rb7 23. Rb4 a5 24. Bxa5 Rba7 25. Bb6 Rxa3 {[#] Hoping for ... Ra2+.} 26. Rhb1 Ra2+ 27. R1b2 Rxb2+ 28. Rxb2 Ra2 29. Rxa2 {Precision: White = 55%, Black = 72%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Lorparizangeneh, Shahin"] [Black "Sergeyeva, Mariya"] [Result "1/2-1/2"] [ECO "E73"] [WhiteElo "2508"] [BlackElo "2332"] [Annotator "TA"] [PlyCount "125"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,125,55,46,105,98,105,104,105,100,104,105,104,123,132,116,120,72,81, 68,134,38,59,0,126,135,130,129,122,0,91,0,126,125,131,22,11,18,19,0,0,0,8,0,4, 7,14,16,23,15,41,0,40,50,53,27,47,11,20,12,5,7,134,127,130,135,128,44,48,47,54, 52,37,52,43,52,264,255,247,87,363,226,492,502,706,207,206,197,387,74,88,95,277, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 h6 7. Be3 e5 8. d5 c6 9. Qd2 cxd5 10. cxd5 {LiveBook: 23 Games} Nxe4 {E73: King's Indian: Averbakh Variation without 6...c5} ({Black should try } 10... Nbd7 $14) 11. Nxe4 $16 f5 12. Bxh6 fxe4 {White is better.} 13. Be3 Nd7 $146 ({Predecessor:} 13... Na6 14. Bxa6 bxa6 15. Ne2 Bd7 16. Nc3 Qh4 17. h3 Rac8 18. Bg5 {1-0 (30) Konyshev,A (2252)-Lykov,V (2164) Novokuznetsk 2008}) 14. Nh3 $1 Nc5 15. Ng5 Nd3+ 16. Bxd3 exd3 17. Qxd3 Qa5+ 18. Qd2 Qb5 (18... Qa6 $14) 19. Qe2 (19. Ne4 $16) 19... Qa5+ (19... Qxd5 $6 20. O-O $16) 20. Qd2 ({Better is} 20. Bd2 $1 $14 Qxd5 21. O-O) 20... Qb5 $1 21. Ne4 Qa6 22. Qe2 Qa5+ 23. Qd2 Qa6 $1 24. Qe2 (24. a4 {keeps more tension.} Bf5 25. b4 b5 26. Nc3 Bd7 27. O-O) 24... Qa5+ $1 25. Nc3 $1 Bf5 26. Qb5 (26. O-O $16) 26... Qxb5 $11 27. Nxb5 Bd3 28. a4 e4 29. Nc3 (29. Nxd6 Bxb2 30. Ra2 Bc3+ 31. Bd2 Bxd2+ 32. Rxd2 Rad8 $17) 29... Rac8 {Strongly threatening ...Rxc3.} 30. Kd2 Rc4 31. Ra3 Rb4 32. b3 $1 a5 33. Rc1 Rf5 34. h4 Kf7 35. Na2 Rxd5 36. Rc7+ Kg8 37. Kc1 Be2 {[#]} 38. Rxg7+ $1 {[%mdl 512]} Kxg7 39. Nc3 {[#]} Rd3 (39... Bc4 $1 $11 {[%mdl 512]}) 40. Nxe2 $16 {Hoping for Kc2.} Rdxb3 41. Rxb3 Rxb3 {[#]} 42. Kc2 (42. Bd2 $1 $16) 42... Rb4 $14 43. Nc3 Kf7 44. g4 d5 45. Nxd5 Rxa4 46. h5 {[%cal Bh4h5,Bh5h6][%mdl 32] } Ra1 $2 {[#]} (46... gxh5 $14 47. Nb6 (47. gxh5 b5 $11) 47... Ra2+ 48. Kb3 Ra1 49. gxh5 Rb1+ 50. Kc3 Kg7) 47. h6 $1 $18 g5 48. Nf6 $2 (48. Bxg5 $18 {has better winning chances. aiming for Bc1.} Ra2+ 49. Kc3 Rxf2 50. Be3) 48... Rh1 $2 {[%mdl 8192]} (48... Ra4 $16 49. Nh7 (49. Bxg5 Ra2+ 50. Kc3 Rxf2 $16) 49... Kg6 50. Nxg5 Kxh6) 49. Bxg5 ({Less strong is} 49. Nxe4 Rxh6 50. Nxg5+ Ke7 $16) 49... Kg6 $2 (49... e3 50. fxe3 Kg6) 50. Nxe4 a4 51. Bd2 $2 (51. f4 Rh2+ 52. Kb1) 51... Rh4 52. f3 b5 $2 (52... Rh3 53. f4 Kxh6 54. f5+ Kg7) 53. Nc3 $2 (53. g5 $18 {and the rest is easy.}) 53... a3 $16 54. Kb3 Rh3 $2 (54... b4 $16 { was necessary.}) 55. f4 $2 ({Worse is} 55. Nxb5 a2 $11) ({Only move:} 55. Kxa3 $18 Rxf3 56. Kb2) 55... Kxh6 $11 {The position is equal.} 56. f5+ Kh7 57. g5 Rf3 58. f6 Kg6 59. Bc1 a2 60. Bb2 Kxg5 61. Kxa2 Kxf6 62. Nxb5+ Kg6 63. Bc1 { Precision: White = 48%, Black = 42%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Ly, Moulthun"] [Black "Gomes, Mary Ann"] [Result "1-0"] [ECO "B35"] [WhiteElo "2498"] [BlackElo "2295"] [Annotator "TA"] [PlyCount "111"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,111,10,29,16,16,23,20,12,16,16,16,17,21,14,0,0,23,19,50,45,539,520, 512,494,483,447,780,782,844,838,847,840,822,819,783,757,808,807,720,358,325, 226,211,214,214,214,214,214,211,131,346,189,196,122,280,281,531,385,339,207, 194,147,172,118,177,158,167,184,256,145,233,157,168,158,166,158,1331,249,225, 193,255,250,358,350,544,537,514,507,29973,29977]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. h3 Bd7 10. O-O Nxd4 11. Bxd4 Bc6 12. Qd3 b5 {LiveBook: 10 Games} 13. Nd5 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines} (13. Rfe1 b4 14. Nd5 Nxd5 15. Bxd5 Bxd5 16. exd5 Bxd4 17. Qxd4 a5 18. a3 Rb8 19. Qd2 bxa3 20. b3 Qc7 21. Rxa3 Rb5 22. Ra4 Rc5 23. Re2 e5 24. dxe6 fxe6 25. Rd4 d5 26. Qe3 Rf6 27. Rdd2 {1/2-1/2 (27) Cornette,M (2577)-Hracek,Z (2606) Novi Sad 2009}) 13... e6 14. Nxf6+ Bxf6 15. Rfe1 {The position is equal.} Bxd4 $146 ({Predecessor:} 15... Rc8 16. c3 Bxd4 17. Qxd4 Qe7 18. a4 Rc7 19. a5 Rd8 20. Rad1 Rcd7 {1/2-1/2 (48) Nardelli,M (2113)-Fierro Baquero,M (2379) Bratto 2008}) 16. Qxd4 a5 17. a3 Qc7 18. Re3 Rfd8 19. Rae1 Rab8 20. Qf6 d5 21. h4 $1 {[%cal Bh3h4,Bh4h5][%mdl 32]} dxe4 $2 { [%mdl 8192] [#]} (21... a4 $14) 22. h5 $1 $18 {[%cal Rh5g6][%mdl 512] White wants to mate with hxg6.} Bd5 (22... gxh5 23. Rg3+) 23. h6 {[%csl Gh6][%cal Rf6g7]} Kf8 24. Bxd5 Rxd5 (24... exd5 $142 25. Rf3 Qd7) 25. Rxe4 Rb6 26. Rf4 Rf5 27. Rxf5 gxf5 {[%mdl 4096] Endgame KQR-KQR} 28. Qg7+ Ke7 29. Qxh7 Qf4 30. Qg7 Rb8 31. g3 (31. h7 $142) 31... Qd2 32. Rf1 Qd8 33. Qg5+ Kf8 34. Qf4 { Strongly threatening Qe5.} Rc8 {[#]} 35. Qe5 $1 {And now h7 would win.} Ke7 36. c3 ({Resist} 36. Qxb5 Kf6) 36... Qd7 $2 (36... Qh8 $16 {was worth a try.} 37. Qe3 (37. Qxb5 Kf6 $16) 37... Qf6) 37. Qe2 (37. Re1 $142) 37... Rd8 38. Qh5 ({ Better is} 38. Re1 $18) 38... Qe8 $2 (38... Qd2 $16 {was necessary.} 39. h7 Rh8 ) 39. Re1 {Qxf5 is the strong threat.} Rd5 $2 (39... Qh8 40. h7 Qf6) 40. Qg5+ f6 41. Qe3 Kf7 42. Qf3 Rd8 43. Qh5+ (43. Qe2 $18) 43... Kf8 (43... Kg8 $16 44. Qh4 Qe7) 44. Qe2 e5 45. Rd1 Rd7 (45... Rxd1+ $142 46. Qxd1 Kg8) 46. Rd2 $40 { [%mdl 128] Black is in trouble.} (46. b4 $18) 46... Qd8 (46... Rxd2 $16 47. Qxd2 Kf7) 47. h7 Kg7 48. Rxd7+ Qxd7 {KQ-KQ} 49. Qh5 {[%cal Rh7h8]} Qc8 $2 ( 49... Kh8 $16 50. Qg6 Qe6) 50. Kh2 $2 (50. a4) 50... a4 51. Kg1 Kh8 (51... Qh8 $142 52. Qxf5 Qxh7 53. Qd7+ Kg8 54. Qxb5 Qb1+ 55. Kg2 Qe4+ 56. f3 Qc2+ 57. Kf1 Qh2) 52. Qf7 e4 (52... Qd8 {might work better.} 53. Kg2 f4 54. gxf4 exf4) 53. Kg2 ({Weaker is} 53. Qxf6+ Kxh7 54. Qf7+ Kh6 $18) 53... Qd8 (53... Qc4 $142 54. Qxf6+ Kxh7 55. Qxf5+ Kg7 56. Qd7+ Kg6 57. Qd6+ Kf7 58. Qd7+ Kg6 59. Qg4+ Kh6 60. Qf4+ Kg6 61. Qg4+ Kf7 62. Qd7+ Kg8 63. Qe8+ Kg7 64. Qd7+ Kg6) 54. Kh3 Qc8 55. Kh4 Qd8 (55... Qc4 $18 56. Qxf6+ Kxh7) 56. Kh5 {Precision: White = 54%, Black = 37%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Santiago, Yago De Moura"] [Black "Enkhtuul, Altan-Ulzii"] [Result "0-1"] [ECO "A21"] [WhiteElo "2476"] [BlackElo "2292"] [Annotator "TA"] [PlyCount "125"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,125,2,-1,-9,0,-3,16,13,39,-6,29,19,30,42,34,20,37,0,0,-45,-19,-10,-10, -7,-12,-21,0,0,2,0,4,-80,-74,-106,-85,-96,-61,-66,-59,-60,-60,-75,-55,-63,-66, -58,-64,-68,-77,-71,-74,-72,-70,-76,-72,-143,-154,-144,-150,-172,-177,-191, -182,-178,-160,-329,-329,-298,-304,-444,-450,-382,-404,-437,-434,-358,-136, -244,-248,-299,-310,-312,-312,-527,-471,-358,-312,-1365,-1339,-981,-545,-545, -538,-538,-523,-538,-522,-478,-431,-608,-357,-1203,-1142,-1392,-1361,-1384, -1384,-1316,-1279,-1102,-1255,-1102,-1255,-1106,-1091,-1033,-1043,-1255]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 a5 4. g3 Ne7 5. Bg2 O-O {LiveBook: 3 Games} 6. Nf3 { [%cal Bg1f3,Bf3d4,Bd4c2][%mdl 32] A21: English Opening: 1...e5 2 Nc3} Nxd5 7. cxd5 e4 8. Nd4 {The position is equal.} Qf6 $146 ({Predecessor:} 8... Qg5 9. Nb5 c6 10. a3 cxb5 11. axb4 Qxd5 12. Rxa5 Rxa5 13. bxa5 {0-1 (36) Kovacevic,B (2482)-Volokitin,A (2681) Murska Sobota 2007}) 9. Nc2 Qe5 (9... Bc5 {keeps more tension.} 10. O-O Qg6 11. d3 exd3 12. Qxd3 d6) 10. O-O Qxd5 11. d3 Qe6 12. dxe4 Bc5 13. Kh1 d6 14. f4 Qe7 15. Be3 Nd7 16. Bd4 Bxd4 17. Qxd4 Re8 18. Ne3 Nf6 19. Rfd1 Bd7 20. Rac1 (20. Rd2 $11) 20... Bc6 $1 $17 {[%cal Rc6e4]} 21. Nf5 Qe6 {[%cal Rc6e4]} 22. Kg1 g6 23. Nh6+ Kg7 24. g4 $1 {[%cal Rg4g5] Hoping for g5.} Kxh6 25. g5+ Kg7 26. Qxf6+ Qxf6 27. gxf6+ Kxf6 28. e5+ $1 dxe5 {Threatens to win with ...Bxg2.} 29. Bxc6 bxc6 30. Rxc6+ $15 {[%mdl 4096] Endgame KRR-KRR} Kg7 31. Rxc7 exf4 32. Kf2 ({White should try} 32. Rdd7) 32... Re5 $17 33. Rdd7 Rf5 34. b3 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 35. Re7 Ra6 36. Kf3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 37. Ra7 $2 (37. h3 $17) 37... g4+ $19 38. Kf2 Rg6 39. Rac7 (39. Re4 {was worth a try.}) 39... h4 40. Rc1 f3 {White must now prevent . ..g3+.} 41. exf3 Rxf3+ 42. Kg1 Rf5 $2 (42... Rd6 $19 {has better winning chances. Strongly threatening ...Rd2.} 43. Re5 Rd2 44. Rg5+ Kf8) 43. Re4 (43. h3 $17 {was called for.}) 43... Rd5 44. Rf4 {[#]} f5 $1 45. Rcf1 {[#]} Kf6 $1 46. a3 $2 (46. h3 {might work better.} Kg5 47. Rc4) 46... Kg5 47. b4 axb4 48. axb4 $2 (48. Rxb4 Ra6 49. Rb8) 48... h3 49. Rc4 Rf6 50. Rc5 Rd2 51. b5 Rg2+ 52. Kh1 Rb2 53. Kg1 Kg6 54. Rf4 (54. Rf2 $142 Rb1+ 55. Rf1) 54... Rb1+ 55. Kf2 $2 ( 55. Rf1 Rb4 56. Rd1) 55... Kg5 {Black is clearly winning.} 56. Rd4 Rb2+ 57. Ke3 Rxh2 58. Rd8 Rb2 59. Rg8+ Rg6 60. Rf8 Re6+ 61. Kd3 Rf6 62. Rg8+ Kf4 63. Kd4 { Precision: White = 36%, Black = 76%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Low, Zhen Yu Cyrus"] [Black "Melkumyan, Hrant"] [Result "0-1"] [ECO "B13"] [WhiteElo "2405"] [BlackElo "2669"] [Annotator "TA"] [PlyCount "62"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,62,40,37,30,21,37,31,32,33,54,55,48,47,56,54,56,0,0,0,21,36,29,0,23, 0,0,0,0,0,0,0,0,0,0,-38,-36,-37,-14,-45,0,-615,-608,-1167,26]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 e5 7. dxe5 Nxe5 8. Nf3 Bd6 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 9. O-O O-O 10. Nxe5 Bxe5 11. Nd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32] LiveBook: 3 Games} Bc7 12. Nf3 Qd6 13. Re1 Bd7 14. Ne5 Be6 $146 ({Predecessor:} 14... Rfe8 15. Bf4 Ne4 16. Bxe4 dxe4 17. Rxe4 Qxd1+ 18. Rxd1 {1-0 (51) Lupulescu,C (2592)-Nemes,S (2254) Baile Olanesti 2010}) 15. Bf4 {Black must now prevent Ng6.} Qb6 16. Qd2 Rfd8 17. Be3 Qd6 18. Bd4 (18. Nf3 $1 $14) 18... Ne4 $11 19. Qc2 f6 20. Nf3 {And now c4 would win.} Re8 21. Kf1 Qd7 22. Bxe4 dxe4 23. Rxe4 Bd5 24. Rxe8+ Rxe8 25. Re1 Rxe1+ 26. Nxe1 Bxa2 27. Nd3 Bc4 {...Qb5 is the strong threat.} 28. b3 Ba6 29. Kg1 Qe6 30. f3 $2 {[%mdl 8192] [#]} (30. c4 $11) 30... Bxd3 $1 $19 31. Qxd3 Qe1+ {[%mdl 32768] Precision: White = 39%, Black = 58%. . Loss on Time!?} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Thakur, Akash"] [Black "Gustafsson, Jan"] [Result "0-1"] [ECO "D01"] [WhiteElo "2344"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "76"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,76,0,0,0,0,0,0,28,16,29,-12,0,-4,0,-5,32,-25,0,0,0,0,0,0,47,53,44, -165,-170,-176,-168,-238,-208,-218,-225,-272,-270,-383,-379,-410,-419,-420, -418,-393,-416,-408,-408,-564,-594,-579,-565,-1075,-1097,-1660,-672,-527,-667, -660,-622,-1073,-1047,-2085,-1934,-29985,-29986]} 1. d4 d5 2. Nc3 Nf6 3. Bg5 c5 4. Bxf6 gxf6 {[%cal Bg7f6,Bf6f5][%mdl 32]} 5. e4 dxe4 6. dxc5 {D01: Veresov Opening} f5 (6... Qa5 7. Bb5+ Bd7 8. a4 a6 9. Ra3 Nc6 10. Nge2 e6 11. b4 Qxb4 12. Rb3 Qa5 13. O-O axb5 14. Nxe4 Be7 15. axb5 {0-1 (33) Gareyev,T (2604) -Robson,R (2656) Saint Louis 2015}) 7. Qxd8+ Kxd8 8. O-O-O+ {LiveBook: 7 Games. The position is equal.} Nd7 9. g4 fxg4 10. h3 {[#]} g3 $1 {[%mdl 512]} 11. fxg3 Kc7 $146 ({Predecessor:} 11... f5 12. Bc4 Kc7 13. Nge2 Nxc5 {1/2-1/2 (21) Duiven,G (1901)-Koegeler,A (2128) ICCF email 2015}) 12. Bc4 Ne5 13. Bb3 Bd7 14. Nge2 e6 15. Rhf1 (15. Nxe4 $14 a5 16. a3) 15... Bxc5 16. Nxe4 Be3+ 17. Kb1 Bc6 $36 {[%mdl 2048] Black fights for an advantage.} 18. N2c3 Rad8 19. Rde1 $1 { [%cal Re1e3]} Bd4 20. Ba4 $2 {[#]} (20. Ng5 $1 $14 {keeps the upper hand.}) 20... Bxc3 $1 $19 21. Nxc3 Nf3 22. Bxc6 (22. Re2 $142 Nd2+ 23. Rxd2 Rxd2 24. Rxf7+ Rd7 25. Rf4) 22... Nd2+ ({Worse is} 22... Nxe1 23. Bh1 $14) 23. Kc1 Nxf1 24. Rxf1 {aiming for Bb5.} Kxc6 25. Rxf7 (25. Rf3 $142) 25... Rhf8 26. Rxf8 Rxf8 {[%mdl 4096] Endgame KR-KN} 27. Kd2 Rf3 28. Ne2 {Threatens to win with Nd4+.} e5 29. a4 h5 30. h4 a6 31. Ke1 Kd5 32. Kd2 Ke4 33. Nc3+ {[#]} Kf5 (33... Rxc3 $142 $1 {[%mdl 512]} 34. bxc3 Kf3) 34. Ne2 Kg4 35. a5 Kf5 36. Ke1 Ke4 37. Kd2 Rf2 38. b3 Kf3 {Precision: White = 33%, Black = 67%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Nie, Xinyang"] [Black "Gareyev, Timur"] [Result "1-0"] [ECO "A46"] [WhiteElo "2334"] [BlackElo "2592"] [Annotator "TA"] [PlyCount "64"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,64,50,43,26,50,45,72,77,66,57,89,65,79,79,93,76,69,79,68,85,74,52,60, 34,49,47,50,49,48,44,48,45,44,31,33,37,28,34,96,96,199,187,187,187,187,187,494, 481,511]} 1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. c4 e6 5. cxd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. dxc5 Bxc5 9. O-O {D30: Queen's Gambit Declined: Systems without Nc3} O-O {LiveBook: 12 Games} 10. b3 (10. Nc3 Nb6 11. b3 Qe7 12. a4 Rad8 13. Bb2 Rfe8 14. Nb5 Ne4 15. Nxa7 Nc4 16. Bd4 Bxa7 17. Bxa7 {1-0 (58) Simantsev,M (2495)-Tosic,M (2416) Cheliabinsk 2018}) 10... Re8 11. Nc3 $146 {White is slightly better.} ({Predecessor:} 11. Ba3 Rc8 12. Bxc5 Nxc5 13. b4 Nce4 14. h3 Qb6 15. a3 h5 16. Ra2 g5 {1/2-1/2 (36) Herschmann,H-Newrick,W St Helier 2002}) 11... Ne5 12. Nxe5 Rxe5 13. Bb2 Rg5 14. Qf3 Qd7 15. Rad1 Re8 {[#]} 16. Nxd5 $1 {[%mdl 512]} Nxd5 17. e4 {[%cal Be3e4,Be4d5,Bd5d6,Bd6d7][%mdl 32]} Qg4 18. Qxg4 Rxg4 19. exd5 {Threatens to win with d6.} Rge4 20. d6 {Rd5 is the strong threat.} f6 21. Rd5 b6 22. d7 Rd8 23. Bc3 Kf7 24. Rfd1 $36 {[%mdl 2048] White is pushing.} Ke7 25. Kf1 Re6 $1 26. b4 Bd6 27. Bd2 Bb8 {[#]} (27... Re4 $14) 28. b5 $1 $16 {Hoping for Bb4+.} Re5 (28... Bd6 $16) 29. Bb4+ Ke6 30. R5d4 { aiming for f4.} Rxb5 31. f4 Rf5 $2 (31... Bxf4 {is more resistant.} 32. Rxf4 Rxd7 33. Rxd7 Kxd7) 32. Re1+ $18 Be5 {Precision: White = 84%, Black = 39%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Raja Rithvik R"] [Black "Krysa, Leandro"] [Result "0-1"] [ECO "D85"] [WhiteElo "2280"] [BlackElo "2543"] [Annotator "TA"] [PlyCount "93"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,93,4,36,31,37,11,25,-45,-34,-45,-48,-45,-39,-57,-58,-53,-58,-80,-16, -14,-9,-9,-9,-14,-15,-12,-18,-44,-37,-41,-40,-63,-58,-50,-12,-16,-15,-18,-14, -14,-19,-22,-9,-5,-7,-24,-27,-36,-16,-20,-16,-31,0,0,0,0,0,0,0,-8,0,-17,-10, -77,-8,-31,0,0,0,0,0,0,0,-83,-90,-29990]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 {[%cal Bb8d7,Bd7f6,Bf6h5,Bh5f4][%mdl 32]} 8. Nf3 O-O 9. Be2 c5 10. O-O {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Nf6 {LiveBook: 8 Games} (10... Nb6 11. Qd1 Bg4 12. Be3 Bxf3 13. Bxf3 Nc4 14. e5 Nxe3 15. fxe3 Qa5 16. Qb3 e6 17. Rab1 Bh6 { 0-1 (57) Krasenkow,M (2671)-Gledura,B (2613) Stockholm 2018}) 11. Bd3 b6 12. Bb2 $146 {White is slightly better.} ({Predecessor:} 12. Bg5 Bb7 13. Rfe1 h6 14. Bh4 Nh5 15. Rad1 Qc7 16. Ba6 Rac8 17. dxc5 Bxa6 18. Qxa6 Qxc5 19. Qxa7 { 0-1 (69) Dolezal,C (2439)-Obregon,C (2537) Buenos Aires 2015}) 12... Nh5 13. Rfe1 (13. g3 $11) 13... Bg4 $1 $15 14. Nd2 Nf4 15. Bf1 e5 16. h3 Bd7 17. Qd1 exd4 18. cxd4 cxd4 (18... Qg5 $17 {...Nxh3+ is the strong threat.} 19. Kh1 cxd4 ) 19. Nf3 $11 d3 20. Bxg7 Kxg7 21. Qd2 Qf6 {Threatening ...Nxh3+!} 22. Qe3 Ne6 23. e5 Qf4 24. Bxd3 Rac8 25. Be4 Qxe3 26. Rxe3 Bc6 27. Bxc6 $1 Rxc6 28. Rd1 Rfc8 29. Nd4 Nxd4 30. Rxd4 {[%mdl 4096] Endgame KRR-KRR} Rc1+ 31. Kh2 R8c7 32. Red3 R1c2 33. Rd2 g5 34. a4 Rxd2 35. Rxd2 {KR-KR} Rc4 36. a5 $1 bxa5 37. Rd7 Re4 38. Rd5 a4 39. Ra5 h5 40. Rxa7 Kg6 41. g3 (41. f3 $11 {remains equal.} Rf4 42. g4) 41... Rc4 ({But not} 41... Rxe5 42. Rxa4 Rb5 43. Kg2 $11) (41... Kf5 $17 42. Rxf7+ Kxe5) 42. Kg2 Rb4 43. Kf3 Kf5 44. Rxf7+ Kxe5 {And now ...a3 would win.} 45. Rg7 $1 g4+ 46. Kg2 {[#]} (46. hxg4 $11 {was the only way to keep the balance.} hxg4+ 47. Ke3) 46... Kd4 $1 $17 {Threatens to win with ... a3.} 47. Rxg4+ $2 {[%mdl 8192] Precision: White = 59%, Black = 57%.} (47. Rg5 $17) 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Miciano, John Marvin"] [Black "Deepan Chakkravarthy J"] [Result "0-1"] [ECO "C11"] [WhiteElo "2260"] [BlackElo "2499"] [Annotator "TA"] [PlyCount "74"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,74,26,35,21,16,14,0,0,-33,-16,-27,-36,-14,-17,-18,-12,-9,-15,-32,0,0, 0,0,0,-75,-77,-185,-174,-170,-184,-190,-176,-169,-112,-130,-126,-182,-187,-164, -157,-163,-161,-174,-180,-248,-231,-551,-545,-811,-793,-735,179]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 7. Be3 O-O 8. dxc5 Nc6 9. Qd2 Bxc5 10. Bxc5 Nxc5 11. O-O-O Qa5 12. Kb1 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Rb8 13. Qe3 {LiveBook: 4 Games} Bd7 $146 ({Predecessor:} 13... Rd8 14. Nd4 Bd7 15. Be2 Rbc8 16. g4 Nxd4 17. Rxd4 Na4 18. Nxa4 Bxa4 19. c3 Bb5 {1-0 (27) Edouard,R (2638)-Adla,D (2469) Caleta 2015}) 14. a3 {The position is equal.} Rfc8 15. g4 Ne7 16. Rg1 b5 {aiming for ...b4.} 17. b4 Qxa3 18. Nxd5 $1 Qxe3 19. Nxe3 Bc6 20. Nd4 $1 Na4 {Threatens to win with ...Nc3+.} 21. Rd2 Ng6 22. Nxc6 Rxc6 23. Rd4 $1 Rcc8 24. Rg2 (24. Kc1 $1 $11) 24... Ne7 $17 25. Nd1 { [#]} (25. Rd3 $17 {was worth a try.}) 25... Nc6 $1 $36 {[%cal Rc6d4][%mdl 2048] Black is really pushing.} 26. Re4 Rd8 27. Bd3 {[#]} a5 $1 28. bxa5 Nc5 (28... Ra8 $19 29. Re3 Rxa5) 29. Re3 $17 Rd4 30. Rf2 (30. f5 $17 {was called for.}) 30... Nxa5 $19 31. Nb2 Nc4 32. Rg3 g5 33. fxg5 Nxe5 34. h3 (34. Re2 {was necessary.} Nexd3 35. cxd3) 34... Rb4 35. Bf1 $2 (35. Re2 {is a better chance.} Nexd3 36. cxd3) 35... Ne4 {Black is clearly winning.} 36. Re3 Nxf2 37. Rxe5 Nd3 $4 {[%mdl 40960] Precision: White = 42%, Black = 79%. . Loss on Time!?} (37... Nd1 $19 {avoids the disaster.} 38. Be2 Nxb2) 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.15"] [Round "3"] [White "Vaingorten, Yaaqov"] [Black "Goh, Wei Ming Kevin"] [Result "1/2-1/2"] [ECO "A45"] [WhiteElo "2226"] [BlackElo "2472"] [Annotator "TA"] [PlyCount "145"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,145,-10,-19,39,14,29,33,49,-78,25,0,10,-42,0,0,0,0,0,0,0,14,46,43,44, 14,35,-106,-50,-72,0,-85,-85,-85,-33,-30,-28,-21,0,-62,0,0,0,0,0,0,0,-79,-5, -129,0,0,0,-8,-8,-14,-23,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1301, 897,2104,1831,1723,1730,1512,1456,1120,1080,413,0,0,0,12835,12835,12836,12836, 12837,12837,12837,12838,12838,12839,12839,12839,12845,12839,12845,0,0,0,0,0, 12844,12844,12844,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c5 4. f3 g5 5. fxe4 gxh4 6. e3 Bh6 7. Qd3 {A45: Trompowsky Attack} Qb6 8. b3 ( 8. Na3 Nc6 9. Nc4 Qc7 10. d5 Ne5 11. Nxe5 Qxe5 12. c3 f5 13. exf5 d6 14. Nf3 Qxf5 15. Qxf5 Bxf5 {1/2-1/2 (67) Grafl,F (2371)-Gascon del Nogal,J (2496) Sabadell 2017}) 8... Nc6 9. c3 {LiveBook: 10 Games} Qa5 (9... e5 $11) 10. Nf3 $14 cxd4 $146 ({Predecessor:} 10... d6 11. d5 Ne5 12. Nxe5 dxe5 13. Nd2 h3 14. gxh3 Bd7 {1-0 (31) Augustin,A (1948)-Schoeller,W (2003) Germany 2005}) 11. exd4 d5 12. e5 (12. b4 $1 $14 Qd8 13. b5) 12... Bg4 (12... f6 $17 13. exf6 O-O) 13. Be2 h3 14. g3 (14. gxh3 $11 Bh5 15. Nh4 Bxe2 16. Kxe2) 14... O-O-O 15. O-O f6 16. exf6 exf6 17. Nh4 Bxe2 18. Qxe2 Rde8 19. Qg4+ Kb8 20. Nf5 ({Of course not} 20. Qxh3 Nxd4 $1 {[%mdl 512]} 21. Nf5 Nxf5 $17) 20... Bg5 21. Qd1 (21. Qxh3 $14 {keeps the upper hand.} Qa6 22. Qg2) 21... h5 (21... Qa6 $17 22. Kh1 Qe2 23. Qxe2 Rxe2) 22. a4 h4 (22... Re6 $17) 23. Ra2 (23. gxh4 $11 Bxh4 24. Qf3) 23... hxg3 $17 24. hxg3 Qc7 (24... Ne7 $17 25. Nd6 Reg8) 25. Re2 $15 Rxe2 26. Qxe2 Qd7 27. Na3 (27. Kh2 $11) 27... Re8 (27... Na5 $15 28. Qe7 Qxe7 29. Nxe7 Nxb3) 28. Qf3 $11 Ne7 29. Nc2 Nxf5 30. Qxf5 Qc7 31. Qf3 (31. Rf3 $11) 31... Bd2 ( 31... Rc8 $17 32. Nb4 Qxc3 33. Qxc3 Rxc3) 32. Kh2 (32. Rf2 $11 Qxc3 33. Qxc3 Bxc3 34. Kh2) 32... Bxc3 (32... Qxc3 $17 33. Qxc3 Re2+ 34. Kxh3 Bxc3) 33. Rf2 a6 34. Qf4 (34. Qxf6 {is more complex.} Ka7 35. b4 Qc4 36. a5 Re2 37. Qb6+) 34... Qxf4 35. gxf4 {[%mdl 4096] Endgame KRB-KRN} Kc7 36. Kxh3 f5 37. Kg3 Be1 38. Nxe1 Rxe1 {KR-KR} 39. Rh2 Rg1+ 40. Kf2 Rb1 41. Rh5 Rxb3 42. Rxf5 Kd6 43. Rf6+ Kd7 44. Rf5 Ke6 45. Re5+ Kd6 46. f5 Rc3 47. a5 Rc2+ $2 {[%mdl 8192]} ( 47... Kd7 $11) 48. Ke3 Rc3+ 49. Kf4 Rd3 50. Re6+ Kd7 51. Ke5 Re3+ 52. Kxd5 Ra3 53. Ke5 $2 ({Only move:} 53. Rd6+ $1 $18 Ke7 54. Ke5) 53... Rxa5+ 54. d5 { Black must now prevent f6.} Ra1 $2 {[%mdl 8192] [#]} (54... Ra3 $11) 55. f6 $1 $18 {[%cal Rf6f7]} Re1+ 56. Kf5 Rf1+ 57. Kg6 Rg1+ 58. Kh7 Rh1+ 59. Kg7 Rg1+ 60. Kf8 Rg5 61. f7 Rxd5 62. Rf6 $2 (62. Rb6 $18 {Hoping for Kg7.} Rg5 63. Rb2 (63. Rxb7+ Kc6 $16)) 62... Rg5 $11 63. Rf1 {Threatens to win with Rd1+.} b5 { [%cal Bb7b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 64. Rd1+ Kc6 $2 {[%mdl 8192]} (64... Ke6 $11) 65. Ke7 $18 Rg7 {[#]} 66. Kf6 $2 (66. Ke6 $1 $18 Rxf7 67. Rc1+ (67. Kxf7 b4 $16) 67... Kb6 68. Kxf7) 66... Rxf7+ $1 $11 {The position is equal.} 67. Kxf7 {Strongly threatening Kf6. KR-KPP} b4 68. Ke6 Kc5 69. Rc1+ Kd4 70. Ra1 b3 {aiming for ...b2.} 71. Rxa6 b2 72. Rb6 Kc3 73. Ke5 {Precision: White = 46%, Black = 52%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Melkumyan, Hrant"] [Black "Nguyen, Anh Khoi"] [Result "1/2-1/2"] [ECO "E71"] [WhiteElo "2669"] [BlackElo "2444"] [Annotator "TA"] [PlyCount "100"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,100,39,60,47,54,60,61,63,96,0,4,0,91,65,73,40,38,-6,12,0,0,6,62,71, 75,52,154,170,420,265,252,262,356,341,307,259,876,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. Nf3 e5 8. d5 Nc5 9. Nd2 a5 10. g4 c6 11. Qc2 {E90: King's Indian: Classical: Early deviations and 6 h3} Bd7 { LiveBook: 6 Games} 12. O-O-O cxd5 13. exd5 {White is slightly better.} a4 14. a3 {[#]} Qa5 $146 15. g5 (15. Be2 $16) 15... Nh5 $11 16. Bxc5 dxc5 (16... Qxc5 $11 17. Nde4 Qb6) 17. Be2 f5 18. Bxh5 (18. gxf6 $5 Nxf6 19. Kb1 $11) 18... gxh5 19. Nf1 h4 20. Ne3 e4 21. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} b5 (21... Bxc3 $1 $11 22. bxc3 Rad8) 22. Ncd5 $14 Kh8 23. Nf6 $1 {[%cal Rf6d7]} Be6 (23... Bxf6 $14 24. gxf6 Rxf6) 24. d7 $16 Bxc4 $2 (24... Qc7 {was worth a try.}) 25. Nxc4 bxc4 {[#]} 26. Rd5 $1 ({Weaker is} 26. Qxc4 Qb6 $16) 26... Rab8 27. Rhd1 ({Not } 27. Rxf5 h6 $18) (27. Qxc4 Qb6 $11) 27... h6 28. Rxf5 hxg5 $2 {[#]} (28... c3 ) 29. Rd6 $2 (29. Qe2 $1 $18 {[%cal Re2h5] White wants to mate with Qh5+.} Bxf6 30. Qh5+ Kg7 31. Rxg5+ Bxg5+ 32. Qxg5+ Kf7 33. Qf5+ Ke7 34. Qh7+ Rf7 35. Qxe4+ Kf8 36. Qxh4) 29... Bxf6 $11 {The position is equal.} 30. Rfxf6 Rxf6 31. Rxf6 { [%mdl 4096] Endgame KQR-KQR} Qe1+ 32. Qd1 Qxd1+ 33. Kxd1 {KR-KR} Rd8 34. Rd6 Kg7 35. Ke2 Kf7 36. Rd5 Ke6 37. Rxg5 Rxd7 38. Rxc5 Rb7 39. Rxc4 Rxb2+ 40. Kf1 Kf5 41. Rxa4 Ra2 42. Ra8 Ra1+ 43. Ke2 Rh1 44. a4 {Hoping for a5.} Rxh3 45. a5 { Threatens to win with a6.} Ra3 46. Kf1 Kg4 47. a6 Kf3 {[%cal Ra3a1]} 48. Rf8+ Kg4 49. Ra8 Kf3 {[%cal Ra3a1]} 50. Rf8+ Kg4 {Precision: White = 77%, Black = 51%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Gustafsson, Jan"] [Black "Raghunandan, Kaumandur Srihari"] [Result "1-0"] [ECO "E62"] [WhiteElo "2643"] [BlackElo "2434"] [Annotator "TA"] [PlyCount "105"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,105,38,29,38,31,40,39,39,41,41,36,36,39,37,37,35,24,24,0,7,6,18,12,4, 6,19,18,32,21,25,11,29,14,45,36,37,29,55,47,45,53,106,97,92,108,102,104,157, 115,112,93,124,120,172,166,184,65,54,0,191,196,196,196,189,177,192,195,274,283, 392,354,353,342,409,406,420,367,371,367,614,612,685,661,652,620,12841,12841, 12841,12842,12842,12843,12843,12843]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Bf5 8. Ng5 {LiveBook: 14 Games. E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (8. Ne1 Be6 9. d5 cxd5 10. cxd5 Bd7 11. Be3 a5 12. Bd4 Na6 13. Nd3 b5 14. a3 b4 15. axb4 Nxb4 16. Qd2 Rb8 17. Nxb4 Rxb4 {0-1 (57) Ding,L (2774)-Carlsen,M (2837) Saint Louis 2017}) 8... d5 9. Qb3 Qb6 $146 ({Predecessor:} 9... Qd7 10. cxd5 h6 11. e4 Bg4 12. Nf3 cxd5 13. Ne5 Qc7 14. Nxg4 Nxg4 15. Nxd5 {1-0 (35) Carrascoso Morales,A (2348)-Inat Huelamo,C (1747) Quart de Poblet 2014}) 10. cxd5 {e4 is the strong threat.White is slightly better.} Qxb3 11. axb3 {aiming for e4.} cxd5 12. Nxd5 Nxd5 13. Bxd5 Nc6 14. e3 h6 15. Nf3 Rfd8 16. Bc4 Be4 17. Ne1 e5 18. f3 Bd5 19. Nd3 exd4 {[#] And now ...Bxc4 would win.} 20. e4 Bxc4 21. bxc4 Rdc8 22. f4 Nd8 23. c5 Bf8 24. b4 $36 {[%mdl 2048] White has some pressure.} a5 25. Rxa5 Rxa5 26. bxa5 Bxc5 27. Bd2 Ba7 (27... Be7 $14) 28. Kf2 $16 Rc2 29. Ke2 Ra2 30. Rb1 Bb8 (30... Ra3 $142) 31. Rb5 Bc7 32. Nc5 h5 33. Kd3 h4 (33... Kf8 $16 {was necessary.} 34. e5 (34. Nxb7 Nxb7 35. Rxb7 Bxa5 $16) 34... Ke8) 34. gxh4 $18 ( 34. Nxb7 $6 Nxb7 35. Rxb7 Bxa5 $14) 34... Ra3+ 35. Rb3 (35. Kc4 $18) 35... Ra2 $14 36. Rb5 (36. h5 $14) 36... Ra3+ $1 $18 37. Kc4 Ra2 {[#]} 38. Nb3 $1 ({ Don't play} 38. Nxb7 $6 Nxb7 39. Rxb7 Bxa5 $16) 38... Nc6 39. h5 ({Inferior is } 39. Rxb7 Rxd2 40. Rxc7 Nxa5+ 41. Kb4 Nxb3 $15) 39... gxh5 40. Rxh5 Rc2+ ( 40... Ra4+ {keeps fighting.} 41. Kd3 Ra3) 41. Kd3 Rb2 42. Rb5 Ra2 43. e5 ({ Don't do} 43. Rxb7 Nxa5 44. Bxa5 Bxa5 $18) 43... Ra3 44. Ke4 d3 45. h4 { [%cal Bh2h4,Bh4h5][%mdl 32]} Bd8 46. h5 Be7 $2 (46... Bc7 47. h6 Ra4+ 48. Ke3 Nd8) 47. Rxb7 {White is clearly winning.} Bb4 48. Bxb4 Rxb3 49. a6 Nxb4 50. a7 Ra3 51. Rb8+ Kg7 52. a8=Q Rxa8 53. Rxa8 {Precision: White = 80%, Black = 46%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Krysa, Leandro"] [Black "Zhu, Yi"] [Result "1-0"] [ECO "E62"] [WhiteElo "2543"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "87"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,87,69,64,64,79,84,82,92,81,0,16,16,8,0,5,0,98,89,72,0,0,0,0,0,0,-13, -25,-11,28,21,23,-47,-27,-25,-22,-21,0,0,0,0,0,0,82,68,292,241,516,483,761,758, 729,705,685,0,495,411,422,60,330,322,322,0,77,71,5839,5843,5843,5843,5119,4950, 29988,29989]} 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O c6 7. Nc3 Qa5 8. e4 Be6 9. d5 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} Bg4 {LiveBook: 9 Games} 10. Bd2 Rc8 $146 ({ Predecessor:} 10... Nfd7 11. Qc2 Bxf3 12. Bxf3 Qc7 13. Rac1 a5 14. a3 Na6 15. Be2 Nac5 16. Be3 Rfe8 17. Rcd1 Qb6 18. Na4 Qb3 19. Qxb3 Nxb3 20. Bg4 Ne5 21. Be2 Nd7 22. Bg4 Ne5 {1/2-1/2 (22) Vignesh,N (2399)-Azaladze,S (2499) Mumbai 2015}) 11. h3 {White is better.} Bxf3 12. Qxf3 cxd5 13. exd5 ({Better is} 13. e5 $16 Ne8 14. e6 (14. Nxd5 Qd8 $16) (14. Qxd5 Qxd5 15. Bxd5 Nc6 $14)) 13... Rxc4 $11 14. Qe2 Qa6 $1 15. Qxe7 Nbd7 16. Rfe1 {Black must now prevent Bf1.} Bf8 (16... Rb4 $11 {remains equal.}) 17. Qe2 $16 Re8 18. Qxe8 (18. Be3 $16) 18... Nxe8 $11 19. Rxe8 {And now Bf1 would win.} Qb6 $36 {[%mdl 2048] Black fights for an advantage.} 20. b3 Rc7 21. Be3 Qb4 22. Ne4 Kg7 23. Rd1 {[%cal Ba1d1,Bd1d4,Bd4a4][%mdl 32] Threatens to win with Bd4+.} f6 24. h4 (24. Bxa7 b6 $15) (24. Ng5 $11 fxg5 25. Re4) 24... Kf7 25. Re6 Be7 26. Rd4 Qa3 27. Ra4 Qb2 28. Nxd6+ Bxd6 29. Rxd6 Ne5 {[#]} (29... h5 $11 {keeps the balance.}) 30. Rd8 $1 $16 (30. Rxa7 $6 Qb1+ 31. Bf1 Nf3+ 32. Kg2 Qe4 $11) 30... h5 $2 (30... Rc1+ $14 31. Bxc1 Qxc1+ 32. Kh2 Qc7) 31. d6 $18 (31. Rxa7 Qb1+ 32. Bf1 Nf3+ 33. Kg2 Ne1+ 34. Kg1 Nf3+ 35. Kg2 Ne1+ 36. Kh2 Nf3+ 37. Kg2 $11) 31... Rc1+ $2 (31... Qa1+ 32. Kh2 Rd7 33. Rxd7+ Nxd7 34. Bd5+ (34. Bxa7 b6 $14) 34... Kg7 35. Rxa7 Qd1) 32. Kh2 Rd1 (32... Rc2 $142 33. Bd5+ (33. Bxa7 Rxf2 34. Bxf2 Qxf2 $11) ( 33. Rxa7 Ke6 $11) (33. Bxb7 Rxf2+ 34. Bxf2 Ng4+ 35. Rxg4 Qxf2+ 36. Bg2 hxg4 $15 ) 33... Kg7) 33. Rxa7 Ke6 34. Rxb7 {aiming for Be4.} Qb1 35. Re7+ Kf5 {[#]} 36. Rxe5+ $1 Kxe5 37. Bf4+ $2 (37. Bc5 $18 {Re8+ would kill now.} Ke6 38. Bc6) 37... Kf5 $2 {[%mdl 8192]} ({Black should play} 37... Ke6 $14) 38. Bh3+ Ke4 { ( -> ...Rh1+)} 39. Bg2+ $2 (39. Re8+ $18 {is the precise move to win.} Kd3 40. Bg2) 39... Kf5 $16 40. d7 Qxa2 $2 {[%mdl 8192]} (40... Ke6 $16) 41. Bh3+ $18 Ke4 42. Re8+ Kf3 43. Bg2+ Kxf2 44. Be3+ {Precision: White = 67%, Black = 32%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Tran, Tuan Minh"] [Black "Stokke, Kjetil"] [Result "1-0"] [ECO "E73"] [WhiteElo "2514"] [BlackElo "2335"] [Annotator "TA"] [PlyCount "53"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,53,48,30,36,34,97,94,105,104,116,117,243,122,357,352,332,179,167,168, 238,190,545,541,708,708,702,670,1128,1087,1458,1420,1498,1449]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E73: King's Indian: Averbakh Variation without 6...c5} Nc5 9. f3 h5 10. g5 Nh7 11. Qd2 (11. h4 f6 12. gxf6 Bxf6 13. Bf2 Be7 14. Kd2 Rf4 15. Qe1 a5 {1/2-1/2 (30) L'Ami,E (2634)-Amin,B (2693) Wijk aan Zee 2018}) 11... f6 12. h4 {LiveBook: 5 Games} fxg5 13. hxg5 {[#]} Rf7 $146 ({Better is} 13... Rf4 $14) ({Predecessor:} 13... Rf4 14. Bxf4 exf4 15. Qxf4 Nxg5 {1-0 (38) Lampert,J (2514)-Nijboer,F (2519) Germany 2017}) 14. O-O-O $16 Bf8 15. Nh3 Be7 16. Rdg1 Bd7 {[#]} (16... Qf8 $16) 17. Kb1 (17. f4 $1 $18) 17... c6 $2 (17... Qc8 $16) 18. f4 $18 Bxh3 19. Rxh3 ( 19. Bxh5 $142 Rg7 20. Rxh3 gxh5 21. g6 (21. Rxh5 exf4 22. Qh2 fxe3 $18)) 19... exf4 20. Bxf4 Nf8 (20... Rg7 {keeps fighting.} 21. e5 Qf8) 21. Rgh1 Ncd7 $2 { [#]} (21... Qe8 22. Bxh5 gxh5) 22. Bxh5 $1 {[%mdl 512] White is clearly winning.} gxh5 23. Rxh5 Rg7 24. Qh2 {And now Rh8+ would win.} Kf7 {Now ...Ng6 and Black clings on.} 25. Rh6 Ng6 {[#]} 26. Rxg6 $1 {[%mdl 512]} Qg8 (26... Kxg6 27. Qh5#) 27. Rh6 {Precision: White = 58%, Black = 17%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Deepan Chakkravarthy J."] [Black "Nie, Xinyang"] [Result "1/2-1/2"] [ECO "A06"] [WhiteElo "2499"] [BlackElo "2334"] [Annotator "TA"] [PlyCount "109"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,109,19,2,35,32,31,9,11,8,18,17,14,9,13,13,13,14,52,31,34,18,35,0,0, -1,0,-35,0,0,27,28,26,26,31,10,3,0,0,0,13,2,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,-11,-23,-23,-78,-78,-108,-78,-86,0,-85, 0,0,0,0,0,0,0,0,0,-2211]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. O-O Ngf6 5. c4 c6 6. d4 e6 7. Qb3 Qb6 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} 8. Nc3 {LiveBook: 107 Games} (8. c5 Qa6 9. Bf4 Be7 10. Rc1 O-O 11. Bf1 Nh5 12. Bd2 b6 {1/2-1/2 (23) Vallejo Pons,F (2709)-Mamedyarov,S (2766) Sharjah 2017}) 8... Bxf3 9. Bxf3 Qb4 $146 {White is slightly better.} ({Predecessor:} 9... Be7 10. Rd1 O-O 11. Bf4 Rfe8 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Qxb3 15. axb3 { 1/2-1/2 (41) Sandipan,C (2640)-Batchuluun,T (2435) Qinhuangdao 2011}) 10. Qxb4 Bxb4 11. cxd5 exd5 12. Bd2 O-O 13. Rfd1 Rfe8 14. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Bd6 15. e3 b5 16. Ne2 a5 17. Rdc1 Rec8 18. a4 {aiming for axb5.} b4 19. Be1 c5 20. Bg2 cxd4 21. exd4 Nb6 22. b3 Rxc1 23. Rxc1 {Black must now prevent Rc6.} Rc8 $1 24. Rxc8+ Nxc8 25. f3 Ne7 26. Kf2 Nc6 27. Bh3 Kf8 28. Bc8 Ke7 29. Bd2 Ne8 30. Bg5+ f6 31. Bd2 Nc7 32. Ke3 Ne6 33. Kd3 g6 34. h4 Bc7 35. Be3 Bd6 36. g4 Bc7 37. Bd2 Bd6 38. Bc1 Bc7 39. Bh6 Bb8 40. h5 (40. f4 {keeps more tension.} Bd6 41. f5 gxf5 42. gxf5 Nc7 43. Bg7) 40... g5 41. Bxe6 Kxe6 $11 { [%mdl 4096] Endgame KBN-KBN} 42. f4 Nd8 43. Ke3 Nf7 44. Bf8 Bc7 45. Bc5 Nd8 46. Kf3 Kd7 47. f5 (47. Ke3 $1 $11) 47... Nb7 $1 $17 48. Bf8 Ke8 49. Bc5 {[#]} Kd7 (49... Bb8 $1 $17) 50. Ba7 {[#]} (50. Bf8 $1 $11 {remains equal.}) 50... Bd6 ( 50... Nd6 $1 $17) 51. Nc1 $1 $11 {The position is equal.} h6 52. Nd3 Kc6 53. Kf2 Be7 54. Kf3 Bd6 55. Nc5 $2 {[%mdl 40960] Precision: White = 47%, Black = 76%. . An unexpected result.} (55. Ke2 $11) 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Goh, Wei Ming Kevin"] [Black "Nitish Belurkar"] [Result "1-0"] [ECO "C50"] [WhiteElo "2472"] [BlackElo "2303"] [Annotator "TA"] [PlyCount "75"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,75,24,25,26,8,41,51,37,39,93,112,97,90,92,92,92,92,94,87,83,86,154, 91,153,57,157,137,140,118,116,131,209,205,195,143,143,80,75,18,14,34,297,258, 432,431,85,385,384,384,822,639,1011,997,979,968,1014,992]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. a4 d6 7. c3 Ba7 8. Re1 O-O 9. h3 Ne7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Ng6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (10... c6 11. Bb3 Ng6 12. Bc2 Re8 13. d4 Nh5 14. Nf1 Nhf4 15. Ng3 exd4 16. cxd4 d5 17. e5 c5 18. Bxg6 Nxg6 {1-0 (51) Anand,V (2782) -Leko,P (2691) Riadh 2017}) 11. Nf1 {LiveBook: 26 Games} Be6 12. Bb3 Qd7 $146 { The position is equal.} ({Predecessor:} 12... Nh5 13. d4 Nhf4 14. Be3 Qf6 15. Bc2 Rad8 {0-1 (24) Ortmeier,L (1930)-Hartmann,J (2042) Willingen 2017}) 13. Ng3 h6 14. d4 Rae8 (14... Bxb3 $14 15. Qxb3 Rfe8) 15. Bc2 $16 c6 16. Be3 { Threatens to win with dxe5.} Bb8 17. dxe5 dxe5 18. Bc5 Ne7 19. Nf5 Bxf5 20. exf5 b6 (20... Qc7 $142) 21. Ba3 (21. Qxd7 $142 Nxd7 22. Ba3) 21... c5 {[#]} ( 21... Qc7 $142) 22. a5 (22. Nxe5 $6 Qc8 $14) (22. Qxd7 $1 $16 Nxd7 {[#]} 23. a5 $1 {[%mdl 512]}) 22... bxa5 (22... Ned5 $1 $14) 23. Bxc5 {Hoping for Qxd7.} Qb5 24. b4 axb4 25. cxb4 {Strongly threatening Ba4.} e4 (25... Rd8 $16) 26. Nd2 $18 Ned5 27. Nxe4 (27. Bxf8 $6 Nc3 $14) ({White should try} 27. Ra5 $18 Qb7 28. Bxf8 (28. Bxe4 Nxe4 29. Nxe4 Rxe4 $18)) 27... Nxe4 $16 28. Bxe4 ({Reject} 28. Qxd5 $6 Re5 $14) (28. Rxe4 $142 Rxe4 29. Bxe4) 28... Nc3 29. Qg4 ({Better is} 29. Qd3 $16 Nxe4 30. Qxb5 axb5 31. Bxf8 Kxf8 32. Ra8) 29... Rxe4 $11 30. Rxe4 Nxe4 $4 {[%mdl 8192]} (30... h5 $1 $14 31. Qf3 (31. Qxh5 Nxe4 32. Bxf8 Bh2+ 33. Kxh2 Qe5+ 34. g3 Qxa1 $16) 31... Nxe4 32. Qxe4 Re8) 31. Bxf8 $40 {[%csl Gf8] [%cal Rg4g7][%mdl 128] White wants a kill.} ({Not} 31. Qxe4 Re8 $14) 31... Qe5 $2 (31... Be5 {was worth a try.}) 32. Re1 Qh2+ 33. Kf1 {[%csl Gf8][%cal Rg4g7]} Nd2+ 34. Ke2 {[%csl Gf8][%cal Rg4g7]} Qe5+ $2 (34... Kxf8 35. Kxd2 Qd6+ 36. Kc3 Ba7) 35. Kxd2 {White is clearly winning.} Qb2+ 36. Kd3 Kxf8 37. Qd4 {[%cal Rd4d8]} Qb3+ 38. Ke2 {Precision: White = 58%, Black = 32%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Priasmoro, Novendra"] [Black "Vaingorten, Yaaqov"] [Result "1-0"] [ECO "C63"] [WhiteElo "2449"] [BlackElo "2226"] [Annotator "TA"] [PlyCount "92"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 25,92,54,80,63,82,79,139,64,54,52,153,164,173,163,147,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,16,8,8,8,16,16,38,8,10,8,8,10,33,0,588,588,695,667,663, 592,1119,1077,29986,29987,29987,29988,29988,29989,29989,0,29982,29983,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. O-O Bc5 7. Bxc6 bxc6 8. Nxe5 O-O 9. Bg5 d6 {C63: Ruy Lopez: Schliemann/Jaenisch Defence} 10. Nd3 Bd4 11. c3 Bb6 12. Nd2 Qe8 13. Bxf6 Rxf6 {LiveBook: 6 Games} 14. c4 {[#]} Qf7 $146 ({Predecessor:} 14... Qg6 15. Kh1 Bg4 16. f3 Be6 17. f4 {1-0 (47) Macieja,B (2606)-Radjabov,T (2742) Khanty-Mansiysk 2007}) 15. Rc1 h5 (15... Rg6 $142) 16. Kh1 (16. Qa4 $16) 16... Bxf2 $14 17. e5 Bg4 (17... Rf5 $1 $14) 18. Qa4 $16 Rf5 19. e6 $1 {[%cal Re6f7]} ({Don't play} 19. Rxf2 $6 Rxf2 20. Nxf2 Qxf2 $14) 19... Qxe6 {...Be3 is the strong threat.} 20. Rxf2 (20. Nxf2 $16 Be2 21. Rce1 ( 21. Qxc6 Raf8 $16)) 20... Qe3 $1 $11 {And now ...Raf8 would win.} 21. Rxf5 Bxf5 22. Qxc6 Rf8 23. Qd5+ Be6 24. Qe4 Qxd2 25. Qxe6+ Kh8 {( -> ...Qxc1+!)} 26. Rg1 Qxd3 {[%mdl 4096] Endgame KQR-KQR} 27. Qe7 Rf2 28. Qe8+ Kh7 29. Qxh5+ Kg8 30. Qb5 Qe2 31. Qb8+ Kh7 32. Qxa7 Qxb2 33. a4 c5 34. Qe7 Qd4 35. Qe6 $36 {[%mdl 2048] Black is under pressure.} Ra2 36. Qf5+ Kh6 37. Rf1 Rxa4 $2 {[%mdl 8192]} (37... Ra1 $11 {and Black has nothing to worry.}) 38. g4 $18 {[%csl Gg4][%cal Rf5h5,Bg2g4,Bg4g5][%mdl 32]} Qe5 39. g5+ $1 Kh5 {Strongly threatening ...Qxf5.} 40. Qh7+ Kg4 {[#] Threatens to win with ...Ra1.} 41. h3+ $1 Kg3 42. Qd3+ Kh4 { [#]} 43. Rg1 $1 {[%cal Rd3h7]} g6 44. Qxg6 {[%cal Rg6h7]} Qh8 45. Rg4+ Kxh3 { Hoping for ...Ra1+.} 46. Qf5 {[%cal Rf5f3]} Ra2 {Precision: White = 71%, Black = 46%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Peng, Xiongjian"] [Black "Flores, Diego"] [Result "0-1"] [ECO "B23"] [WhiteElo "2424"] [BlackElo "2601"] [Annotator "TA"] [PlyCount "100"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,100,11,-4,20,9,30,33,26,-19,-19,-18,-4,-39,-21,-83,-78,-66,-49,-60, -54,-60,-55,-60,-56,-55,-56,-75,-65,-64,-70,-56,-19,-35,-8,-2,-2,-56,-69,-82, -74,-83,-89,-83,-80,-93,-91,-513,-17,-484,-489,-1118,-1152,-1088,-1075,-1075, -636,-1077,-1005,-1153,-1173,-1243,-1197,-1314,-1250,-1156,-1200,-2094,-1313, -1932,-1456,-29967,-29969,-29967,-29968,-29976,-29977,-29980,-29981,-29983, -29984,-29984,-29985]} 1. e4 c5 2. Nc3 a6 3. Nf3 b5 4. d4 cxd4 5. Nxd4 Bb7 6. a3 e6 7. Be2 d6 8. f4 Nf6 9. Bf3 Qc7 10. O-O Nbd7 11. Qe1 {LiveBook: 7 Games. B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} e5 $146 ({ Predecessor:} 11... Be7 12. Kh1 h5 13. Be3 Ng4 14. Bg1 g5 15. fxg5 Bxg5 16. e5 d5 17. Nxd5 Bxd5 18. Bxd5 exd5 {1/2-1/2 (46) Timofeev,A (2671)-Kotsur,P (2563) Moscow 2009}) 12. Nde2 Be7 13. Ng3 {White has an edge.} g6 14. fxe5 Nxe5 15. Bh6 Nfg4 16. Bxg4 (16. Bg7 {is more complex.} Rg8 17. Bxe5 Nxe5 18. Nge2 Qc5+ 19. Kh1) 16... Nxg4 17. Qd2 (17. Bf4 $11) 17... Nxh6 $17 18. Qxh6 Bf8 19. Qe3 Bg7 20. Nd5 Bxd5 21. exd5+ Be5 22. c3 O-O 23. Qd3 Rfe8 24. Ne4 Re7 25. Nf6+ Kg7 26. Qf3 Bxf6 27. Qxf6+ Kg8 28. Rf2 (28. a4 $11) 28... Rae8 $15 29. Raf1 Qc5 30. Qd4 Qxd4 31. cxd4 $17 {[%mdl 4096] Endgame KRR-KRR} Rc8 32. Rf6 Rc2 33. R1f2 $2 {[%mdl 8192] [#]} ({Don't blunder} 33. Rxd6 $2 Ree2 $19) (33. R6f2 $17 { is a better chance.} Rc4 34. Rd1) 33... Re1+ $19 34. Rf1 Ree2 35. R1f2 (35. R1f4 $142 Rxg2+ 36. Kf1) 35... Rxf2 36. Rxf2 {KR-KR} Rc1+ 37. Rf1 {[#]} Rxf1+ $1 38. Kxf1 {KP-KP} Kg7 39. Kf2 Kf6 40. Kf3 Kg5 41. h3 h5 {[%cal Bh7h5,Bh5h4] [%mdl 32]} 42. Ke4 h4 43. b3 f5+ {[%cal Bf7f5,Bf5f4][%mdl 32]} 44. Ke3 Kf6 45. a4 bxa4 {Black mates.} 46. bxa4 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 47. Kf3 f4 48. Kg4 a5 49. Kh5 Kf5 50. Kh6 g4 {Precision: White = 36%, Black = 83%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Gukesh D"] [Black "Short, Nigel D"] [Result "1-0"] [ECO "A04"] [WhiteElo "2401"] [BlackElo "2662"] [Annotator "TA"] [PlyCount "116"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,116,0,-5,6,-2,0,-18,3,0,0,-6,8,9,14,-11,0,-51,-49,-53,-50,-57,-57, -50,-53,-53,-53,-60,-50,-43,-35,-41,-37,-41,-47,-85,-85,-85,-93,-92,-91,-93, -85,-89,-89,-91,-89,-96,-99,-126,-122,-156,-151,-155,-114,-119,-113,-134,-136, -143,-141,-142,-139,-132,-140,-141,-154,-146,-139,-146,-147,-164,-159,-200, -200,-185,-192,-168,-203,-204,-189,-195,-183,-213,-175,-232,-179,-179,0,-218, -211,-316,-306,-303,-303,-266,-181,-185,-185,-185,-185,-213,-187,-222,-200, -204,-200]} 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. c3 Nf6 5. d4 Na6 6. O-O O-O 7. a3 {LiveBook: 5 Games. A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} d5 (7... b6 8. Ne5 d5 9. Be3 Bb7 10. Nd2 Nd7 11. f4 f6 12. Nef3 e6 13. g4 e5 14. f5 gxf5 15. gxf5 Qe7 16. dxe5 fxe5 17. Ng5 Nc7 {1/2-1/2 (17) Sargissian,G (2677)-Kovalev,V (2641) Moscow 2018}) 8. b4 b6 $146 ({Predecessor:} 8... cxd4 9. cxd4 Ne4 10. Bb2 Bf5 11. Nbd2 Rc8 12. Qb3 Nc7 13. Rfc1 Qd7 14. a4 Rfd8 15. e3 h5 16. h4 Ne8 17. b5 {1/2-1/2 (17) Mirumian,V (2511)-Rausis,I (2512) Czechia 2013}) 9. Bf4 {The position is equal.} cxd4 10. cxd4 Nc7 11. Nc3 Bb7 12. Rc1 Rc8 13. b5 Ne4 14. Nxe4 (14. Bh3 $11 Ne6 15. Bxe6 Rxc3 16. Rxc3 Nxc3 17. Qd3) 14... dxe4 $15 15. Bxc7 Rxc7 16. Ne5 Rxc1 17. Qxc1 Qxd4 18. Nc6 Bxc6 $1 19. bxc6 Rc8 20. Qc2 $1 f5 21. Qb3+ Kf8 22. Rd1 Qe5 $1 23. Rd5 Qc3 24. Qxc3 Bxc3 $17 {[%mdl 4096] Endgame KRB-KRB} 25. g4 e6 26. Rd6 Ke7 27. Rd7+ Kf6 28. Rxa7 h6 29. c7 Be5 30. Rb7 Bxc7 31. e3 {[#]} Bd8 $1 32. h3 Ra8 33. Bf1 Rxa3 34. Rb8 Bc7 35. Rc8 Rc3 36. Kg2 g5 37. gxf5 exf5 38. Rf8+ Ke5 39. Ba6 Rc6 40. Bc8 Rf6 41. Re8+ Kd6 42. f3 exf3+ 43. Kxf3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 44. e4 fxe4+ 45. Kxe4 b4 46. Kd3 Kd5 47. Bg4 Bd6 48. Rd8 (48. Re1 {was worth a try.}) 48... Ke5 49. Re8+ Kd5 50. Rd8 $1 Rf4 51. Kc2 (51. Re8 {was necessary.}) 51... Rf2+ $19 52. Kb3 Rf8 53. Rd7 Ke5 54. Rh7 {[#]Black is clearly better.} Rf6 $1 55. Rh8 Bf8 56. Rh7 Ra6 57. Rh8 Ra3+ 58. Kc2 Ra2+ {[%mdl 32768] Precision: White = 54%, Black = 71%. . Loss on Time!?} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Batchimeg, Tuvshintugs"] [Black "Smirnov, Anton"] [Result "0-1"] [ECO "E25"] [WhiteElo "2391"] [BlackElo "2546"] [Annotator "TA"] [PlyCount "70"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,70,8,-4,-8,0,0,2,0,25,26,20,16,16,33,29,22,39,40,40,38,81,43,33,0,0, 0,0,0,0,0,0,0,0,0,0,-11,0,-32,-40,-37,-45,-65,-45,-71,-84,-172,-172,-172,-172, -172,-181,-202,-197,-182,-182,-260,-247]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 {LiveBook: 190 Games} 9. e3 { E25: Nimzo-Indian: Sämisch: 5...c5 6 f3 d5 7 cxd5} (9. c4 Qf6 10. Bd2 Ne7 11. Qc1 O-O 12. e3 Nd7 13. Nh3 Nxc5 14. Be2 Nb3 {0-1 (14) Mamedyarov,S (2799) -Ivanchuk,V (2726) Huaian 2017}) 9... Qa5 10. Qd2 $146 ({Predecessor:} 10. Qb3 Nd7 11. e4 fxe4 12. fxe4 Qxc3+ 13. Qxc3 Nxc3 14. Be3 Nxe4 15. Rc1 b6 16. Bb5 Nexc5 {0-1 (65) Shamima,A (2147)-Mkrtchian,L (2453) Tromsoe 2014}) 10... Qxc5 11. c4 {The position is equal.} Nf6 12. a4 Nc6 13. Ba3 Qa5 14. Ne2 Qxd2+ 15. Kxd2 Na5 16. Nd4 Bd7 17. Bb4 Nc6 18. Nxc6 Bxc6 19. Kc3 a5 20. Bd6 Kf7 21. Be2 Rhc8 22. Kb3 Nd7 23. Rhd1 b6 24. Ka3 Nc5 25. Rdb1 Rd8 26. Bxc5 bxc5 27. Rb6 Rd2 28. Bf1 Be8 29. Rb7+ Kf6 30. Ra2 (30. e4 $17 {is a better defense.}) 30... Rxa2+ $19 31. Kxa2 {[#]} Rd8 $1 32. Rb2 Rd1 33. Be2 Rg1 34. Bd3 Bxa4 35. Bb1 ( 35. Ka3 {was necessary.} Be8 36. Kb3) 35... Re1 {Precision: White = 54%, Black = 79%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Kulkarni Bhakti"] [Black "Lorparizangeneh, Shahin"] [Result "1/2-1/2"] [ECO "E10"] [WhiteElo "2317"] [BlackElo "2508"] [Annotator "TA"] [PlyCount "112"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,112,29,-20,-15,-29,0,-2,0,-18,-19,-15,0,12,22,7,14,8,7,7,0,0,58,-93, 62,64,56,51,45,41,53,0,0,0,0,0,12,4,35,38,30,21,18,31,22,18,41,26,28,40,15,0,0, 0,0,0,0,-24,-22,-28,-34,-25,-28,-30,0,0,29,-19,0,-22,0,0,0,0,0,0,0,0,0,0,0,-8, -8,-8,-8,-8,-8,-4,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 a6 {E10: Blumenfeld Gambit} 7. e3 (7. bxa6 Bxa6 8. g3 Nc6 9. Bg2 Be7 10. O-O O-O 11. Nc3 Qe8 12. Re1 d5 13. Bh3 Bd8 14. Ng5 { 0-1 (26) Inarkiev,E (2689)-Tregubov,P (2575) Riadh 2017}) 7... d5 8. Nbd2 { LiveBook: 3 Games} c4 9. bxa6 Nxa6 10. Be2 Bd6 $146 ({Predecessor:} 10... Nc5 11. O-O Bd6 12. Qc2 Ba6 13. b3 cxb3 14. Nxb3 Bxe2 15. Qxe2 Nxb3 {1-0 (37) Schwertel,G-Weissbach,L ICCF corr 1987}) 11. O-O O-O 12. e4 Bb8 13. exd5 exd5 14. Nxc4 dxc4 15. Bxc4+ Kh8 {[#] aiming for ...Qc7.} 16. Qxd8 Rxd8 17. Ng5 { [%cal Bf3g5,Bg5f7,Bf7d6][%mdl 32]} Rd4 ({Black should try} 17... Rf8 $1 $11) 18. Nf7+ $14 Kg8 19. Nd6+ $1 Rxc4 $1 20. Nxc4 {Nb6 is the strong threat.} Be6 21. b3 Nb4 22. Bd2 (22. a3 $14) 22... Nc2 $11 23. Rad1 Rxa2 24. Bc3 Nd5 25. Be5 Ba7 26. Rd2 Bc5 27. Rc1 Ncb4 28. Rxa2 Nxa2 29. Ra1 Nab4 30. Ra8+ Kf7 31. Nd6+ Kg6 32. Ne4 Bb6 33. Bd6 Nd3 34. Kf1 Bf5 35. f3 Ne3+ 36. Ke2 Nc1+ 37. Kd2 Nxb3+ 38. Kc3 Nd4 39. Ra6 {Black must now prevent Bc5.} Ne6 ({But not} 39... Nd5+ $6 40. Kc4 $16) 40. Be5 {Hoping for g4.} Bd8 {The position is equal.} 41. Nc5 Nd5+ 42. Kc4 Nb6+ 43. Kb5 {[#]} Nd7 $1 {[%mdl 512]} 44. Rxe6+ (44. Nxd7 Bd3+) 44... Bxe6 45. Nxe6 Nxe5 46. Nxd8 {[%mdl 4096] Endgame KN-KN} Nd3 47. g3 Ne5 48. f4 Nf3 49. Kc4 Nxh2 {Black wants to play ...Nf1.} 50. Kd4 Nf1 51. g4 Nh2 52. g5 Kf5 53. Ke3 Nf1+ 54. Kf3 Nd2+ 55. Ke3 Nc4+ 56. Kf3 h6 {Precision: White = 78%, Black = 68%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.16"] [Round "4"] [White "Enkhtuul, Altan-Ulzii"] [Black "Ly, Moulthun"] [Result "1/2-1/2"] [ECO "A80"] [WhiteElo "2292"] [BlackElo "2498"] [Annotator "TA"] [PlyCount "115"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,115,35,51,4,21,16,0,4,22,-60,-60,-62,-62,-64,-58,-61,-58,-50,-50,-45, -57,-54,-23,-102,-98,-87,-95,-112,-116,-113,-93,-136,-145,-139,-91,-91,-89, -104,-95,-95,-97,-95,-95,-102,-88,-123,-112,-134,-95,-95,-54,-46,-42,-42,-42, -47,-42,-57,-41,-61,-62,-61,-72,-80,-45,-49,-40,-47,-42,-39,-47,-85,-85,-176, -54,-105,-105,-120,-114,-135,-59,-69,-31,-52,-31,-31,-27,-27,-27,-27,-27,-27, -5,-15,0,-6,0,0,0,0,0,0,0,0,0,0,0,-16]} 1. d4 f5 2. Bg5 {[%cal Bc1g5,Bg5h4, Bh4g3][%mdl 32]} h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 d6 {LiveBook: 142 Games} 6. c3 { A80: Dutch Defence: Unusual White second moves} (6. Nc3 e6 7. h4 Rg8 8. hxg5 hxg5 9. f3 Qe7 10. Qd2 Nc6 11. O-O-O Bd7 12. e4 f4 13. Bf2 a6 14. g3 fxg3 15. Bxg3 {0-1 (82) Bluebaum,M (2588)-Vallejo Pons,F (2684) Berlin 2015}) 6... e6 7. Nd2 Nc6 8. Be2 $146 ({Predecessor:} 8. f3 Qe7 9. e4 Bg7 10. Qb3 Bd7 11. O-O-O f4 12. Bf2 a6 13. g3 fxg3 14. hxg3 {0-1 (34) Myc,M (2278)-Grabarczyk,B (2439) Polanica Zdroj 2000}) 8... Qe7 9. Bh5+ (9. Qb3 $11) 9... Nxh5 $15 10. Qxh5+ Qf7 11. Qxf7+ Kxf7 12. h4 Bg7 13. hxg5 hxg5 {[%cal Bh6g5,Bg5g4][%mdl 32]} 14. Rxh8 Bxh8 15. f4 Bf6 16. Nh3 {[#]} (16. fxg5 $11 Bxg5 17. Kf2) 16... g4 $1 $17 { [%cal Rg4h3]} 17. Nf2 b6 18. Kf1 Ne7 19. Kg1 Ba6 20. Re1 c5 21. Nd1 Nc6 22. dxc5 dxc5 23. e4 Rd8 24. Nf1 Na5 25. e5 Be7 26. Nde3 Bd3 27. b3 b5 28. Ra1 Be4 29. Be1 Rd3 30. Nd1 Bb7 31. Nb2 Rd8 32. Rd1 Rc8 33. Ne3 a6 34. c4 Nc6 35. Nc2 Ke8 36. Bf2 Na5 37. Be1 Be4 38. Bxa5 {Na3 is the strong threat.} Bxc2 39. Rc1 Be4 40. Be1 Rd8 41. a3 (41. Ba5 $17 {is a better defense.} Rd7 42. Be1) 41... bxc4 (41... b4 $19 42. Ra1 Kf7) 42. Nxc4 ({Better is} 42. Rxc4 $15 Kf7 43. Rc3) 42... Rd3 43. b4 cxb4 44. axb4 {[#]} Rb3 (44... g3 $1 $17 45. Ra1 Bc6) 45. g3 $15 Bd5 46. Na5 Rb2 47. Nc6 Bf8 48. Nb8 Bb7 49. Nc6 Ra2 50. Kf1 Rh2 51. Kg1 { The position is equal.} Rh7 52. Na5 Rh1+ 53. Kf2 Bd5 {Strongly threatening ... Bxb4!} 54. Rc8+ Kf7 55. Nc4 Bf3 56. Nd6+ Kg7 57. Rc7+ Kg6 58. Rc8 {Precision: White = 55%, Black = 44%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Melkumyan, Hrant"] [Black "Krysa, Leandro"] [Result "1-0"] [ECO "A20"] [WhiteElo "2669"] [BlackElo "2543"] [Annotator "TA"] [PlyCount "135"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,135,20,18,16,12,28,8,15,7,14,8,31,21,20,14,7,0,13,13,43,33,21,17,20, 23,19,18,23,27,24,20,36,35,38,37,45,14,17,17,22,7,7,8,8,13,16,13,28,27,28,19, 27,33,22,9,11,10,11,5,49,60,90,83,95,39,43,0,50,49,50,50,47,41,41,42,61,0,0,0, 67,50,82,83,83,84,91,91,100,100,524,487,552,506,770,770,770,770,770,770,770, 770,770,770,770,770,770,770,29976,29977,29977,29978,29978,29979,29979,29980, 29980,29980,29980,29981,29983,29984,29989,29990,29990,29991]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 {A20: English Opening: 1...e5} Nf6 7. Nc3 {LiveBook: 25 Games} Qe6 (7... Qh5 8. Ne3 Bc5 9. Qc2 Qe5 10. Bg2 Bxe3 11. fxe3 Bf5 12. b4 O-O 13. Bb2 {1-0 (41) Aronian,L (2801)-Papaioannou,I (2652) Heraklio 2017}) 8. Bg2 {The position is equal.} Bc5 9. O-O O-O 10. d4 exd3 11. exd3 $146 ({Predecessor:} 11. Qxd3 Nbd7 12. Ne3 Ne5 13. Qc2 Rd8 14. Ne4 Bb6 { 1-0 (37) Notten,A-Grzeskowiak,F Finland 1987}) 11... Qg4 12. d4 Bb6 13. Bf4 Rd8 14. Re1 Be6 (14... Qg6 {looks sharper.} 15. Na4 Na6 16. Nxb6 axb6 17. Re7 Kf8) 15. Qxg4 Nxg4 (15... Bxg4 {keeps more tension.} 16. Rac1 Na6 17. Re7 Rd7 18. Rxd7 Bxd7 19. d5 cxd5 20. Nxd5 Nxd5 21. Bxd5 Nc5) 16. Bg5 Nf6 17. Rad1 Nbd7 18. d5 cxd5 19. Nxd5 Bxd5 20. Bxd5 Rdc8 21. Ne3 Bxe3 22. Bxe3 (22. fxe3 Nxd5 23. Rxd5 Nb6 $15) 22... Nxd5 23. Rxd5 Nf6 24. Rd4 Rc2 25. Red1 {[#] Strongly threatening Rd8+.} h6 26. Rb4 b6 27. a4 Re8 28. b3 Rb2 29. Rd3 Re7 30. Rbd4 Ne4 31. Rc4 Kh7 32. Kg2 Rb1 33. b4 Ra1 34. b5 Ra2 35. g4 f6 36. h4 Nc5 37. Bxc5 bxc5 $16 {[%mdl 4096] Endgame KRR-KRR} 38. h5 (38. Kg3 $16) 38... Ree2 $14 39. Rf4 c4 40. Rd7 c3 $1 ({Reject} 40... Rxa4 41. Rxf6 Re8 42. Rff7 $16) 41. Rxa7 c2 42. Rc7 $1 Re1 43. Rfc4 Re2 $1 44. b6 (44. Kf3 $14) 44... Rxf2+ $11 45. Kg3 {b7 is the strong threat.} (45. Kxf2 $2 {is the wrong capture.} c1=Q+ 46. Rc2 Rxc2+ $19) 45... Rd2 (45... c1=N $11 46. Rxc1 Rg2+ 47. Kf3 Rgb2) 46. b7 $1 $14 Rd3+ 47. Kf4 Rb3 {[#]} 48. Kf5 $1 {[%cal Rf5e6] aiming for Ke6.} ({Much worse is} 48. Rxc2 Rxa4+ 49. Kf5 Rab4 $15) 48... c1=Q 49. Rxc1 {Black must now prevent Ke6.} Rxa4 50. Rd7 {And now Rcc7 would win.} Rb5+ $2 {[%mdl 8192]} ( 50... Ra6 $16 {is tougher.} 51. Rc5 Rab6) 51. Ke6 $18 Rxg4 52. Ke7 f5 (52... Rgb4 $142 53. Rcc7 Rxh5) 53. Kd8 f4 54. Kc8 Rgg5 55. Rcc7 f3 56. b8=Q Rxb8+ 57. Kxb8 f2 58. Rf7 f1=Q 59. Rxf1 Rxh5 60. Rg1 {White mates.} Rg5 61. Rxg5 hxg5 { KR-KPP} 62. Kb7 Kg6 63. Kc6 Kf5 64. Kd5 g4 65. Kd4 Kf4 66. Rf7+ Kg3 67. Ke3 g6 68. Rg7 {Precision: White = 75%, Black = 39%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Flores, Diego"] [Black "Gustafsson, Jan"] [Result "1/2-1/2"] [ECO "D15"] [WhiteElo "2601"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "52"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,52,-27,-36,-33,0,0,0,0,0,0,0,0,0,-19,-27,-20,-8,-14,-17,-12,0,-25, -20,-15,-25,-36,-43,-90,-83,-78,-29,-34,0,-1,-4,-10,0,0,0,0,0]} 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 dxc4 5. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 6. Be2 { D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} e6 7. O-O Bb7 { LiveBook: 10 Games} 8. b3 {Black is slightly better.} b4 $146 (8... Bb4 $5 { [%cal Rb4c3]} 9. Qc2 cxb3 10. axb3 Bxc3 11. Qxc3 Nxe4 $11) ({Predecessor:} 8... Bb4 9. e5 Bxc3 10. exf6 gxf6 11. Rb1 c5 12. bxc4 cxd4 13. Rxb5 Bc6 {1-0 (22) Dubov,D (2701)-Postny,E (2579) Batumi 2018}) 9. e5 $1 Nd5 10. Nxd5 cxd5 11. bxc4 dxc4 12. Bxc4 Be7 13. a3 a5 14. axb4 axb4 15. Bb5+ Nd7 16. Rxa8 Qxa8 17. Bd2 Bc6 18. Bxc6 Qxc6 19. Qc1 Qb7 20. d5 exd5 21. Nd4 O-O 22. Qc6 Qxc6 23. Nxc6 {The position is equal.} Bc5 {aiming for ...b3.} 24. Bxb4 Bxb4 25. Nxb4 Nxe5 26. Nxd5 Rd8 {Precision: White = 56%, Black = 59%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Smirnov, Anton"] [Black "Sukandar, Irine Kharisma"] [Result "1-0"] [ECO "C60"] [WhiteElo "2546"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "53"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,53,64,52,86,83,84,79,77,93,90,43,74,74,69,51,165,156,190,181,172,194, 299,310,285,296,277,268,736,622,1228,1231,29989,29990,29996,29997,29997,29998] } 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 d6 5. d4 a6 6. Be2 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} exd4 7. Nxd4 Nxd4 8. Qxd4 Nc6 9. Qd3 g6 10. h4 {LiveBook: 4 Games} Bg7 11. Bg5 f6 12. Be3 Be6 $146 13. Nd5 Qd7 14. O-O-O Ne5 15. Qc3 $36 {[%mdl 2048] White has strong initiative.} Bxd5 16. Rxd5 Qc6 ({ Better is} 16... O-O-O $14) 17. Qb3 $1 $18 h5 18. f4 Ng4 19. Bd4 O-O-O {[#]} ( 19... Qd7 {keeps fighting.} 20. Qxb7 O-O) 20. Rh3 $1 {[%cal Rh3c3]} Bh6 {[#]} 21. Rc3 $1 {[%cal Rc3c6]} Bxf4+ 22. Kb1 Qd7 $2 (22... Qe8) 23. Qb6 Be5 { [#] intending ...Bxd4.} 24. Bxa6 $1 {[%csl Ga6][%cal Rb6b7][%mdl 512]} c5 {[#]} (24... bxa6 25. Qxa6+) 25. Bxc5 $1 {[%mdl 512] White mates.} Bxc3 (25... dxc5 26. Qa7) 26. Bxd6 Bd4 {[#]} 27. Rc5+ $1 {[%mdl 512] Precision: White = 84%, Black = 27%.} 1-0 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Swapnil, S. Dhopade"] [Black "Gomes, Mary Ann"] [Result "1/2-1/2"] [ECO "B52"] [WhiteElo "2526"] [BlackElo "2295"] [Annotator "TA"] [PlyCount "63"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,30,29,43,29,29,10,26,20,27,13,17,17,14,-29,-26,-23,-13,-13,-13, -12,-12,-12,-12,-12,0,-2,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 a6 (4... Nf6 5. Nc3 g6 6. O-O Bg7 7. d4 O-O 8. dxc5 dxc5 9. e5 Ng4 10. Bf4 Nc6 11. Re1 a6 12. Ba4 Nh6 {1/2-1/2 (69) Bacrot, E (2725)-Potkin,V (2574) Riadh 2017}) 5. Bxd7+ Qxd7 6. Nc3 {B52: Sicilian: Moscow Variation with 3...Bd7} Nf6 7. d4 cxd4 8. Nxd4 {LiveBook: 3 Games. White has an edge.} Nc6 9. O-O e6 10. b3 Be7 11. Ba3 Rd8 $146 ({Find the theoretical novelty and annotate with similar games:} 11... Qc7 12. Rc1 Rd8 13. Nxc6 bxc6 14. Qe2 e5 15. Rfe1 {1-0 (60) Erhart,U (2145)-Mueller,K (2033) Bad Segeberg 2002}) 12. Nxc6 Qxc6 13. Qe2 b5 14. Rfe1 bxc4 15. bxc4 O-O 16. e5 { The position is equal.} Nd7 17. exd6 Bxd6 18. Bxd6 Qxd6 19. Ne4 Qc6 20. Red1 Nc5 21. Nxc5 Qxc5 22. g3 g6 23. h4 h5 24. Rac1 Rxd1+ 25. Qxd1 $11 {[%mdl 4096] Endgame KQR-KQR} Rb8 26. Qd2 e5 27. Qc3 Rd8 28. a3 a5 29. Kg2 Rd4 30. Kg1 Rd8 31. Re1 Rd4 32. Rc1 {Precision: White = 78%, Black = 68%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Lorparizangeneh, Shahin"] [Black "Sauravh, Khherdekar"] [Result "1/2-1/2"] [ECO "A04"] [WhiteElo "2508"] [BlackElo "2222"] [Annotator "TA"] [PlyCount "102"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,102,33,24,28,33,35,18,15,32,35,0,-12,-54,-36,-184,-178,-194,19,14,12, 18,10,8,12,25,16,0,0,0,0,-27,0,0,0,0,24,17,27,0,74,87,189,191,185,74,72,64,64, 64,64,64,64,64,63,44,45,44,41,0,0,0,0,0,0,-87,-58,-456,-422,-663,-410,-1443, -741,-12840,-12839,-12839,-12837,-12837,-6632,-6528,-1739,-1565,-345,-291,0,0, 0,-74,0,-112,0,0,0,-99,0]} 1. Nf3 f5 2. d3 Nc6 (2... d6 3. e4 e5 4. Nc3 Be7 5. d4 fxe4 6. Nxe4 d5 7. Neg5 exd4 8. Bd3 Qd6 9. Nxd4 c5 10. Nb5 Qe5+ 11. Be3 Na6 12. O-O {1-0 (36) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 3. d4 d5 4. g3 Nf6 5. Bg2 e6 6. O-O {LiveBook: 9 Games. A04: Unusual lines after 1 Nf3 and King's Indian Attack} Bd6 7. c4 $146 ({Predecessor:} 7. Bf4 Bxf4 8. gxf4 O-O 9. e3 Bd7 10. c4 {1-0 (63) Sagar,S (2391)-Tomov,G (2273) Charleroi 2017}) 7... O-O 8. Nc3 {White is slightly better.} dxc4 9. Qa4 Nb4 10. Ne5 c6 11. a3 b5 12. Nxc6 (12. Qd1 $15 Nbd5 13. Nxc6) 12... Nxc6 $19 ({Stronger than} 12... bxa4 13. Nxd8 Nbd5 14. Nc6 $11) 13. Qxb5 Nxd4 $2 (13... Na5 $1 $19 {And now ...Rb8 would win.} 14. Bxa8 a6) 14. Qxc4 $11 Nc2 15. Ra2 Rb8 16. Qa4 {[#]} Nxa3 $1 { [%mdl 512]} 17. bxa3 (17. Rxa3 Bxa3) 17... Qe7 18. Be3 Bc5 19. Qf4 Ba6 20. Rc1 Bxe3 21. Qxe3 Ng4 22. Qf4 Rbc8 23. h3 $36 {[%mdl 2048] White has some pressure. } Rc4 24. e4 Nf6 (24... g5 $11 25. Qd2 Rd8) 25. Bf1 $16 fxe4 (25... e5 $16 26. Qxf5 Rc6) 26. Bxc4 $18 Bxc4 27. Raa1 (27. Rb2 $1 $18) 27... Bd3 $16 28. Qe5 Nd7 $1 {[%cal Rd7e5]} 29. Qd4 Nc5 {Threatening ...Nb3.} 30. Nd5 $1 {[%cal Rd5e7]} exd5 31. Rxc5 Bc4 $1 32. Rb1 h6 33. a4 Kh7 34. Rc6 Rf3 {aiming for ...e3.} 35. Re1 Rd3 36. Qc5 Qg5 37. Kg2 (37. Qd6 $11) 37... Qf5 $17 {[%mdl 1024] Black has strong compensation.} 38. Rc7 $2 {[%mdl 8192]} ({Don't blunder} 38. Qxa7 $2 Qf3+ 39. Kg1 e3 $1 $19 {[%mdl 512]}) (38. Qd6 $1 $15) 38... Qf3+ $1 $19 39. Kh2 (39. Kg1 $142 e3 40. Rxg7+ Kxg7 41. Qxa7+ Kg6 42. Qb6+ Qf6 43. Qxf6+ Kxf6 44. Rxe3) 39... e3 40. Rf1 (40. Rxg7+ $142 Kxg7 41. Qxa7+ Qf7 42. Qxf7+ Kxf7 43. Rxe3) 40... Rd2 $1 {[%csl LRf1,LRf2]} 41. Qe7 Rxf2+ 42. Rxf2 Qxf2+ {[%mdl 4096] Endgame KQR-KQB} 43. Kh1 Qe1+ 44. Kh2 Qd2+ 45. Kh1 Qc1+ $2 (45... Qd4 {...Bd3 is the strong threat.} 46. Rb7 Bd3) 46. Kg2 {[%csl Gc7][%cal Re7g7]} Qc3 $2 ( 46... Qf1+ $2 47. Kh2 $19) (46... Qb2+ $19 47. Kf3 e2 48. Rxc4 Qb3+ 49. Kf2 Qxc4) 47. Qf7 $11 {Qf5+ would kill now.} Qb2+ 48. Kg1 (48. Kh1 $11 {keeps the balance.} Qb1+ 49. Kg2 Qa2+ 50. Kg1 Qa1+ 51. Kg2) 48... Bd3 (48... Qe5 $17 { ( -> ...e2)} 49. Qf4 Qa1+ 50. Kh2 Qa2+ 51. Kg1 Qb1+ 52. Kh2 Qc2+ 53. Kg1 Qb1+ 54. Kh2 Qc2+ 55. Kg1 Qd1+ 56. Kh2 Qd2+ 57. Kg1 Qe1+ 58. Kg2 Qd2+ 59. Kh1 Qd1+ 60. Kh2 Qe2+ 61. Kh1 Bd3 62. Rxg7+ Kxg7 63. Qc7+ Kg8 64. Qd8+ Kg7 65. Qd7+ Kf6 66. Qd6+ Kg7 67. Qd7+ Kf6 68. Qd6+ Kf5 69. Qxd5+ Kf6 70. Qd6+ Kg5 71. Qe5+ Bf5 72. Qg7+ Kh5 73. Qf7+ Kg5 74. Qg7+ Bg6 75. Qe5+ Bf5 76. Qg7+) 49. Rc8 (49. Qxd5 $11 {remains equal.} Qf2+ 50. Kh1 Qe1+ 51. Kh2 Qe2+ 52. Kh1) 49... Qa1+ ({ Better is} 49... Be4 $1 $17 {[%csl Ge4][%cal Rb2g2]} 50. Qg8+ Kg6 51. Qe6+ Qf6 52. Qxf6+ Kxf6) 50. Kh2 Qb2+ ({Black should play} 50... Be4 $11 51. Qg8+ Kg6 52. Rc6+ Kh5 53. Qe8+ g6 54. g4+ Kg5 55. Qe7+ Kf4 56. Rf6+ Bf5 $1 {[%mdl 512]} 57. gxf5 Qb2+ 58. Kh1 Qb1+ 59. Kh2 Qc2+ 60. Kh1 Qd1+ 61. Kh2 Qe2+ 62. Kh1 Qe1+ 63. Kh2 Qg3+ 64. Kh1 Qxh3+ 65. Kg1 Qg3+ 66. Kh1 Qh4+ 67. Kg2 Qg3+ 68. Kh1 Qh4+ 69. Kg2 Qg3+ 70. Kh1) 51. Kg1 $17 {[#] Threatens to win with Qg8+.} Qa1+ { Precision: White = 48%, Black = 58%.} (51... Be4 $1 $17 {[%csl Ge4][%cal Rb2g2] } 52. Qg8+ Kg6 53. Qe6+ Qf6 54. Qxf6+ Kxf6) 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Ly, Moulthun"] [Black "Gukesh D"] [Result "1/2-1/2"] [ECO "D11"] [WhiteElo "2498"] [BlackElo "2401"] [Annotator "TA"] [PlyCount "45"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,45,5,0,-32,-27,-52,-60,-60,-60,-55,-52,-47,-47,-66,-68,-66,-45,-106, -100,-100,-99,-115,-105,-109,-98,-97,-74,-74,-74,-86,-98,-98,-72,-78,-100,-116] } 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. g3 Bf5 (5... Bg7 6. Bg2 O-O 7. Nbd2 Bf5 8. Qb3 Qb6 9. O-O Rd8 10. Qa3 Na6 11. c5 Qb5 12. e3 Nb4 13. Qc3 a5 14. a4 { 0-1 (24) Mamedyarov,S (2800)-Carlsen,M (2832) Paris 2017}) 6. Qb3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Qb6 {LiveBook: 5 Games} 7. Nc3 Na6 {[%cal Bb8a6,Ba6b4,Bb4c2][%mdl 32]} 8. c5 $146 {Black has an edge.} ({ Predecessor:} 8. Bg2 dxc4 9. Qxc4 Nb4 10. O-O Be6 11. Qc5 Qxc5 12. dxc5 Bg7 13. Nd4 {1/2-1/2 (68) Luong,P (2133)-Hoang,T (2248) Vietnam 2016}) 8... Qxb3 9. axb3 Nb4 10. Ra4 $1 {[%cal Ra4b4]} Nc2+ 11. Kd2 $1 Ng4 {[%cal Bf6g4,Bg4f2, Bf2h1][%mdl 32]} 12. Nh4 Nxf2 {[#]} 13. Nxf5 $1 {[%mdl 512] aiming for Rg1.} Nxh1 ({But not} 13... gxf5 $6 14. Rg1 $11) 14. Kxc2 ({White should try} 14. Nh4 $15) 14... gxf5 $17 {Black is better.} 15. Nd1 h5 16. Bg2 h4 17. gxh4 Rxh4 18. Bxh1 Rxh2 19. Bf3 Bh6 20. Ne3 e6 21. Bd2 Rh3 22. Ra3 a6 23. b4 {Precision: White = 53%, Black = 89%.} 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Santiago, Yago De Moura"] [Black "Andyka, Pitra"] [Result "0-1"] [ECO "A20"] [WhiteElo "2476"] [BlackElo "2213"] [Annotator "TA"] [PlyCount "60"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,60,-8,-2,38,35,37,37,37,45,42,45,85,70,108,104,147,141,243,115,104, 118,117,117,97,107,100,65,144,0,0,0,1,0,0,0,0,0,0,-44,-26,-66,0,-150,-146,-648, -640,-1741,-1634]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 {[%cal Bf3d4,Bd4c2,Bc2e3] [%mdl 32]} d5 5. cxd5 Qxd5 6. Nc2 Nf6 7. Bg2 Qh5 8. h3 {LiveBook: 79 Games} Nbd7 {A20: English Opening: 1...e5} 9. Nc3 Qg6 10. Ne3 Nc5 {White is slightly better.} (10... Bc5 11. Qc2 Bxe3 12. dxe3 Nc5 13. b4 Na6 14. Rb1 Bf5 15. b5 cxb5 16. Nxb5 {1-0 (48) Svidler,P (2759)-Wang,H (2734) Almaty 2016}) 11. Qc2 $146 ({Find the theoretical novelty and annotate with similar games:} 11. b4 Ne6 12. b5 Bd6 13. Qa4 O-O 14. bxc6 Nc5 15. Qd4 Rd8 16. Nb5 Be7 17. Qe5 Be6 18. Qc7 Kf8 19. cxb7 Rab8 20. Nd4 Bd5 21. Ndf5 Rxb7 22. Qa5 {1-0 (22) Belous,V (2572)-Gordievsky,D (2435) Moscow 2014}) 11... a5 12. b3 b5 {[%cal Bb7b5,Bb5b4] [%mdl 32]} 13. Ba3 b4 14. Na4 $1 {[%cal Ra4c5]} Nfd7 {[#]} 15. Bb2 $1 { Strongly threatening Nxc5.} f5 {[#]} (15... Bb7 $16 16. O-O h6) 16. Nxc5 (16. h4 $1 $18 {and the rest is easy.}) 16... Bxc5 $16 17. g4 Bxe3 18. dxe3 { Hoping for gxf5.} O-O 19. O-O-O {Threatens to win with gxf5.} Nf6 20. Rd6 a4 ( 20... Ba6 $14) 21. f3 ({Don't do} 21. Rxc6 $6 Bd7 $11) (21. Qxc6 Ba6 $16) (21. bxa4 $16 {aiming for Rhd1.} Re8 22. Bxf6 (22. Qxc6 Be6 $16) (22. Rxc6 Bd7 $16) 22... gxf6 23. Kb1 (23. Rxc6 Bd7 $16) (23. Qxc6 Be6 $16)) 21... Qf7 $11 22. fxe4 Nxe4 23. Bxe4 fxe4 24. Rhd1 Be6 {[%cal Ra4b3,Bc8e6,Be6d5,Bd5b3][%mdl 32]} 25. Qxe4 Bd5 26. Qd4 {Black must now prevent e4.} Rae8 27. Rd3 {[%cal Rd6d5]} Re4 (27... h6 $15) 28. Qc5 (28. Rd7 $1 $11 Rxd4 29. Rxf7 Rxf7 30. Rxd4) 28... axb3 $17 29. axb3 $2 {[%mdl 8192]} (29. R6xd5 $17 cxd5 30. axb3) 29... Bxb3 $19 30. R6d4 Qf1+ {Precision: White = 45%, Black = 61%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Nguyen, Anh Khoi"] [Black "Tran, Tuan Minh"] [Result "0-1"] [ECO "A62"] [WhiteElo "2444"] [BlackElo "2514"] [Annotator "TA"] [PlyCount "80"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,80,17,49,4,20,14,20,8,1,19,26,-9,0,-7,0,-126,-126,-126,-126,-126, -119,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-126,-121, -179,-178,-185,-181,-268,-201,-210,-202,-263,-263,-263,-263,-263,-263,-533, -492,-29964,-29967,-29967,-29970,-6616,-9429,-2031,-1964,-5410,-5214]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 h6 {A62: Modern Benoni: Fianchetto Variation without early ... Nbd7} (10... Bf5 11. Bg5 h6 12. Bxf6 Bxf6 13. Nd2 Bc8 14. Nc4 Bxc3 15. bxc3 b5 16. Nd2 Nd7 17. Re1 a5 18. Qc2 {1/2-1/2 (29) Tomashevsky,E (2702)-Svidler,P (2763) Palma de Mallorca 2017}) 11. Qc1 g5 {LiveBook: 7 Games} 12. Be3 Bf5 { The position is equal.} 13. h4 g4 14. Nd2 {Hoping for Bf4.} Rxe3 $1 15. fxe3 Bg6 16. Rf4 $146 ({Find the theoretical novelty and annotate with similar games:} 16. Nc4 Qe7 17. e4 Nh5 18. Qe1 {0-1 (42) Berry,N (2283)-Ris,R (2419) England 2018}) 16... Nbd7 17. Nc4 Nb6 18. Na5 (18. Ne4 $11 {remains equal.}) 18... Qd7 $17 {[%mdl 1024] Black has strong compensation.} 19. Qd2 Re8 20. Kh2 Nh5 21. Re1 Kh7 22. Nd1 Re7 23. b3 f5 24. Bh1 Be5 25. Bg2 Qe8 26. Qd3 Qd8 ( 26... Nxf4 27. exf4 Bd4 {[#]} 28. h5 $1 $15 {[%mdl 512]}) 27. Qd2 Qh8 28. Nc4 ( 28. Ref1 $17) 28... Nxc4 $19 (28... Nxf4 29. exf4 Nxc4 30. bxc4 $15) 29. bxc4 Qe8 ({Don't take} 29... Nxf4 30. exf4 Bd4 31. e3 $15) 30. Nf2 (30. Qc2 $142) 30... Bxf4 ({Less strong is} 30... Nxf4 31. exf4 Bd4 32. e4 $17) 31. exf4 Re3 32. Ne4 Rxe4 33. Bxe4 Qxe4 ({Weaker is} 33... fxe4 34. Qa5 $17) 34. Qd3 Qe7 { ...Nxf4! is the strong threat.} 35. a4 $2 {[#]} (35. Rb1) 35... Nxf4 $1 { [%mdl 512]} 36. gxf4 (36. Qc3 $19 Nh5 37. e3) 36... Qxh4+ 37. Kg2 Qxe1 38. Qe3 Bf7 {Black is clearly winning.} 39. Qe7 Kg7 40. a5 g3 {Precision: White = 57%, Black = 85%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Tran, Minh Thang"] [Black "Deepan Chakkravarthy J"] [Result "0-1"] [ECO "E81"] [WhiteElo "2406"] [BlackElo "2499"] [Annotator "TA"] [PlyCount "60"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,60,40,68,3,9,14,18,0,68,23,20,-7,0,-72,-86,-205,-212,-192,-201,-200, -194,-167,-183,-290,-295,-275,-267,-252,-247,-329,-349,-304,-150,-341,-259, -733,-570,-29989,-485,-29992,-29993,-29993,-29994,-29994,-29988]} 1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5 Be6 {LiveBook: 77 Games} 10. h4 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} (10. Ne2 $14) (10. Ne2 Bxd5 11. cxd5 b5 12. Nc3 a6 13. Rc1 Nbd7 14. b3 Qb6 15. Be2 Rfc8 16. O-O Ne8 17. Kh1 Qa5 18. Rc2 Nb6 19. Be3 { 0-1 (36) Riazantsev,A (2678)-Morozevich,A (2731) Moscow 2014}) 10... Bxd5 $11 11. cxd5 Nbd7 12. h5 {The position is equal.} b5 $146 ({Black should try} 12... Qb6 $11) ({Predecessor:} 12... Re8 13. hxg6 fxg6 14. Nh3 a6 15. a4 b5 16. Bf4 Nb6 17. axb5 axb5 18. Rxa8 Qxa8 19. Bxd6 {1-0 (29) Kilpela,P (2210)-Hautala,R Helsinki 1998}) 13. hxg6 fxg6 14. Bxb5 Rb8 15. Bxd7 (15. a4 $1 $11) 15... Qxd7 $17 16. Rb1 {[#]} (16. Bxf6 $17 {is the only way for White.} Bxf6 17. Rb1) 16... Nxe4 $1 $19 {[%mdl 512]} 17. fxe4 {Threatens to win with Nf3.} Qg4 18. Nf3 Rxf3 $1 (18... Qxe4+ 19. Kf2 $14) 19. gxf3 Qxf3 20. Rf1 (20. Rh4 $142 Rf8 21. Qe2 (21. Qc1 $2 {is a self mate.} Qg3+ 22. Ke2 Rf2+ 23. Ke1 Qg1#) 21... Qg3+ 22. Kd1 Qxg5 23. Rh1) 20... Qxe4+ 21. Kf2 Qg4 $1 22. Qe2 Qxg5 23. Qe6+ Kh8 24. Ke2 Qh5+ ({Not} 24... Bxb2 25. Rf7 $17) (24... Qh4 $19 25. b3 Be5) 25. Kd3 $2 (25. Rf3 $17) 25... Qh2 {( -> ...c4+!)} 26. Qg4 $2 (26. Qe2 c4+ 27. Kd2) 26... h5 {Strongly threatening ...Rb4.} 27. Qxg6 {[#]} Rb4 (27... c4+ $142 $1 { [%mdl 512]} 28. Ke3 {[#]} (28. Kxc4 Qe2+) 28... Bd4+ $1 {[%mdl 512]} 29. Ke4 Qc2+ 30. Kxd4 Qd2+ 31. Ke4 Qd3+ 32. Kf4 Qxg6 33. Rbd1 Re8 34. Rg1 Qe4+ 35. Kg3 Qg4+ 36. Kf2 Re2+ 37. Kf1 Qf3#) 28. Qe6 (28. Rf2 $19 Qxf2 29. Qxh5+ Kg8 30. Qe8+ Qf8 31. Qe6+ Kh7 32. Rh1+ Bh6 33. Qd7+ Qg7 34. Qxg7+ Kxg7 35. Kc2) 28... Rd4+ {Black mates.} 29. Ke3 Qd2+ 30. Kf3 Qf4+ {Precision: White = 22%, Black = 58%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Nie, Xinyang"] [Black "Goh, Wei Ming Kevin"] [Result "1/2-1/2"] [ECO "A48"] [WhiteElo "2334"] [BlackElo "2472"] [Annotator "TA"] [PlyCount "38"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,38,26,22,28,22,30,18,18,0,0,0,0,0,0,0,0,-4,0,-11,-7]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bd3 O-O 6. O-O Nc6 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Nc4 Nh5 11. g3 {LiveBook: 22 Games. B07: Pirc Defence: Miscellaneous Systems} (11. Re1 Nf4 12. Bf1 Qf6 13. Be3 Rd8 14. Qc2 h5 15. Rad1 Rxd1 16. Rxd1 Bg4 17. f3 Be6 18. Qd2 h4 19. Nxe5 Nxg2 20. Bd4 h3 21. Bxg2 hxg2 22. Qxg2 Rd8 23. Nc6 bxc6 {0-1 (23) Kalegin,E (2482)-Zubov,A (2617) Voronezh 2012}) 11... b6 12. Be2 $146 ({Predecessor:} 12. a4 Bb7 13. a5 Qe8 14. Ne3 Rd8 15. Qc2 Qd7 16. Rd1 Qc6 17. b4 Nf6 18. b5 Qe6 {1/2-1/2 (43) Zagrebelny,S (2515)-Day,L (2370) Moscow 1994}) 12... Nf6 13. Qxd8 {White has an edge.} Rxd8 {The position is equal.} 14. Bg5 h6 15. Bxf6 $1 Bxf6 16. Rfd1 Bb7 17. f3 Bc6 18. Rxd8+ Rxd8 19. Rd1 Rxd1+ 1/2-1/2 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Duong, The Anh"] [Black "Gareyev, Timur"] [Result "0-1"] [ECO "A45"] [WhiteElo "2316"] [BlackElo "2592"] [Annotator "TA"] [PlyCount "82"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,82,0,0,29,14,18,0,0,-4,-16,-17,29,-29,-25,-20,-25,-27,-44,-54,-37, -64,-23,-93,-72,-75,-85,-104,-91,-154,-149,-209,-181,-198,-165,-180,-160,-140, -142,-129,-118,-177,-179,-219,-225,-271,-275,-250,-257,-274,-275,-402,-460, -456,-447,-583,-577,-582,-570,-552,-520,-624,-619,-585,-576]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. Nd2 cxd4 7. Nb3 Qd8 8. cxd4 e6 {A45: Trompowsky Attack} 9. e4 d5 (9... Nc6 10. Ne2 d5 11. Nc3 dxe4 12. fxe4 Bb4 13. Bd3 e5 14. dxe5 Nh5 15. Be3 Bg4 16. Be2 {1/2-1/2 (47) Jobava,B (2705)-Ragger,M (2659) Germany 2018}) 10. e5 Nfd7 11. Bd3 {LiveBook: 5 Games} Qb6 12. Ne2 Nc6 13. Rc1 $146 ({Predecessor:} 13. Bd2 a5 14. a4 Bb4 15. Bb5 O-O 16. Bxb4 Nxb4 { 1/2-1/2 (46) Tokman,A (2202)-Slipak,S (2446) Villa Martelli 2010}) 13... a5 { Threatening ...a4.} 14. a4 Bb4+ 15. Kf1 O-O 16. Bg3 (16. g3 $142) 16... f6 $11 17. exf6 Nxf6 {Hoping for ...Ng4.} 18. Bf2 Bd7 19. Bb5 Ne7 $36 {[%mdl 2048] Black fights for an advantage.} 20. Qd3 Rac8 21. Nc5 (21. g3 $11) 21... Bxc5 22. dxc5 Qc7 23. Nc3 e5 24. Bxd7 ({White should play} 24. Kg1) 24... Qxd7 $17 25. Qb5 (25. Kg1 $17) 25... Nc6 $19 {[%cal Be7c6,Bc6b4,Bb4d3,Bd3b2][%mdl 32]} 26. Kg1 Kh8 27. h3 Qf5 28. Rf1 d4 29. Ne2 Nb4 30. Ng3 (30. c6 $17 bxc6 31. Nxd4 cxb5 32. Nxf5) 30... Qc2 31. Qxb7 Rxc5 32. Kh2 Nd3 ({Not} 32... Qxa4 33. Qe7 $17) 33. Be1 Qxb2 ({But not} 33... Nf4 34. Rf2) 34. Qxb2 Nxb2 35. Ne4 (35. Nf5 {keeps fighting.}) 35... Nxe4 36. fxe4 {[%cal Rf1f8] [#] Black is clearly winning.} Kg8 37. Bh4 Rxf1 38. Rxf1 d3 39. Be7 {[%csl Ge7][%cal Rf1f8]} Rc8 40. Rf2 Nc4 {And now ...d2 would win.} 41. Bg5 Rf8 {Precision: White = 37%, Black = 85%.} 0-1 [Event "18th Bangkok Open 2018"] [Site "Bangkok"] [Date "2018.04.17"] [Round "5"] [White "Enkhtuul, Altan-Ulzii"] [Black "Priasmoro, Novendra"] [Result "0-1"] [ECO "A48"] [WhiteElo "2292"] [BlackElo "2449"] [Annotator "TA"] [PlyCount "76"] [EventDate "2018.??.??"] [EventType "swiss"] [EventCountry "THA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,75,0,7,-4,6,-17,8,-13,20,12,24,14,17,-10,-7,-15,-10,-15,-16,-42,-31, -40,-20,-65,-33,-43,-43,-39,-47,-56,-61,-55,-58,-62,-71,-61,-62,-75,-32,-119, -127,-212,-194,-219,-170,-334,-324,-377,-349,-762,-751,-711,-673,-674,-670, -665,-613,-597,-477,-29988,-29989,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 O-O 6. c3 Nc6 7. Be2 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} Nd7 {LiveBook: 25 Games} 8. Bg5 (8. Bh2 e5 9. Nbd2 f5 10. dxe5 dxe5 11. b4 Qe7 12. O-O g5 13. Qb3+ Kh8 14. b5 {1-0 (61) Kuzubov,Y (2695)-Firouzja,A (2549) Amol 2018}) 8... Qe8 $146 ({Predecessor:} 8... Nb6 9. Bf4 h6 10. Nbd2 Nd7 11. d5 Nce5 12. Nd4 Nc5 13. Qc2 a5 14. b3 e6 15. dxe6 Nxe6 {0-1 (58) Merkuryev,V-Sharshutin,S (2028) Kondopoga 2012}) 9. d5 {The position is equal.} Ncb8 10. O-O e5 11. dxe6 fxe6 12. Nd4 a6 13. Bf3 Ne5 {Black wants to play ...c5.} 14. Be4 d5 {...Nf7 is the strong threat.} 15. Bc2 Nc4 16. b3 Nd6 $1 17. Ne2 Nd7 18. Bf4 Nf6 19. Be5 b6 20. Nd2 Bb7 21. Rc1 Rd8 22. Ng3 Qe7 23. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Nf7 24. Bxf6 Qxf6 25. h5 $1 Ne5 26. Qe2 ( 26. f4 $15) 26... Qh4 $36 {[%mdl 2048] And now ...Ng4 would win. Black is in control.} 27. Bd1 (27. Rfd1 $17) 27... Rf7 28. Nh1 g5 {[#]} 29. f4 $2 (29. h6 $1 {[%mdl 512] was called for.} Rf6 (29... Bxh6 30. Qh5) 30. Qh5 Rxh6 31. Qxh4 gxh4 32. Nf3) 29... gxf4 $19 30. exf4 Rxf4 31. Nf3 $2 (31. Rxf4 Qxf4 32. Nf2) 31... Nxf3+ 32. Rxf3 Rxf3 33. Qxf3 Qe1+ 34. Kh2 Be5+ 35. g3 Rf8 36. Qg2 (36. Qe2 $19 Bxg3+ 37. Kh3 Qxe2 38. Bxe2) 36... Rf1 {Black mates.} 37. Be2 {[#]} Rxh1+ $1 {[%mdl 512]} 38. Qxh1 Qxg3# {Precision: White = 20%, Black = 69%.} 0-1
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