[Event "54th Capablanca Memorial 2019"] [Site "Havana"] [Date "2019.05.04"] [Round "2.2"] [White "Adhiban, B.."] [Black "Albornoz Cabrera, Carlos Daniel"] [Result "1-0"] [ECO "D27"] [WhiteElo "2701"] [BlackElo "2566"] [Annotator "TA"] [PlyCount "46"] [EventDate "2019.05.03"] [EventType "tourn"] [EventCountry "CUB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,46,15,13,6,79,89,79,85,130,130,131,118,194,210,198,178,253,239,441,424,442,441,416,427,447,437,437,443,454,452,403,404,1912]} 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 dxc4 6. Bxc4 a6 7. O-O b5 8. Bb3 Bb7 9. e4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} Nxe4 (9... cxd4 $11 {remains equal.} 10. Nxd4 Nbd7) (9... cxd4 10. Nxd4 Nc6 11. Nxc6 Qxd1 12. Rxd1 Bxc6 13. f3 Bc5+ 14. Kf1 Ke7 15. Ne2 Rhd8 16. Bg5 Rxd1+ 17. Rxd1 {1-0 (45) Artemiev,V (2736)-Izoria,Z (2603) Astana 2019}) 10. Nxe4 $16 Bxe4 11. Re1 {White is better.} Bd5 12. dxc5 $1 Bxb3 13. Qxb3 {Strongly threatening Ng5.} (13. axb3 Qxd1 14. Rxd1 Bxc5 $11) 13... Nd7 $146 (13... Be7 $16 {was called for.}) ({Predecessor:} 13... Be7 14. a4 Nc6 15. axb5 axb5 16. Rxa8 Qxa8 17. Qxb5 {1-0 (26) Kvon,A (2509)-Izzat,K (2496) Melbourne 2018}) 14. Bg5 $1 $18 {[%cal Rg5d8]} Nxc5 {[#]} 15. Qc3 $1 $36 {[%mdl 2048] White is in control.} Qd3 {[#]} (15... Qc8 {might work better.} 16. Rad1 Nd7) 16. Qa5 $1 f6 $2 (16... Qd6 {keeps fighting.} 17. Rad1 Nb7) 17. Rad1 Qf5 18. Qc7 {Hoping for Nd4.} Be7 19. Nd4 Qxg5 20. Nxe6 Nxe6 21. Qc6+ ({Weaker is} 21. Rxe6 O-O $14) 21... Kf7 22. Qxe6+ {[%mdl 64] Double Attack} Kg6 23. Rd5 ({Not} 23. Qxe7 Rae8 $14) 23... Bf8 (23... Qxd5 $142 24. Qxd5 Ra7 25. Qe4+ Kf7 26. Qd5+ Kg6 27. Qe4+ Kf7 28. Qe6+ Kg6) 1-0 [Event "54th Capablanca Memorial 2019"] [Site "Havana"] [Date "2019.05.07"] [Round "5.3"] [White "Adhiban, B.."] [Black "Ivanchuk, Vassily"] [Result "1/2-1/2"] [ECO "E20"] [WhiteElo "2701"] [BlackElo "2677"] [Annotator "TA"] [PlyCount "110"] [EventDate "2019.05.03"] [EventType "tourn"] [EventCountry "CUB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,110,27,26,27,25,27,28,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,27,41,42,58,43,43,27,28,0,54,0,27,27,33,42,33,16,47,36,40,37,38,37,58,16,62,62,62,62,93,86,86,86,96,60,60,62,93,66,93,38,93,93,101,61,45,8,8,8,8,8,8,8,36,36,36,36,36,8,8,8,8,8,8,8,8,8,8,8,8]} 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. g3 O-O 7. Bg2 d5 8. cxd5 Nxd5 9. Qb3 Qb6 10. Bxd5 exd5 11. Be3 Nc6 {E20: Nimzo-Indian: 4 g3 and 4 f3} (11... Qa5 12. Rc1 Nc6 13. a3 Bxc3+ 14. Qxc3 Qxc3+ 15. Rxc3 Nxd4 16. Bxd4 Bd7 17. Kd2 a6 18. Rc7 Bc6 19. Rc1 Rfc8 {½-½ (43) Moiseenko,A (2659)-Martirosyan,H (2586) Batumi 2018}) 12. Nxc6 Bxc3+ 13. Qxc3 Qxc6 {White has an edge.} 14. Qxc6 bxc6 15. Rc1 Bd7 16. Bd4 f6 $146 ({Predecessor:} 16... a5 17. Kd2 Rfb8 18. Rc5 f6 19. f3 {½-½ (41) Bezold,M (2495)-Grosar,A (2475) Makarska 1995}) 17. f3 h5 18. Kf2 a5 19. Rc5 a4 20. Bc3 Rfb8 21. Rd1 Ra7 22. a3 Kf7 23. Rd4 Ra6 24. Ke3 Re8+ 25. Kf2 Rb8 26. Ke3 Re8+ 27. Kd2 Bh3 28. Ke1 Bf5 29. Kf2 Rb8 30. Rh4 Kg6 31. Rb4 Rxb4 32. axb4 $14 {[%mdl 4096] Endgame KRB-KRB} Bd7 33. Bd4 Rb6 {[#]} 34. Rxd5 $1 {[%mdl 576] Discovered Attack} cxd5 35. Bxb6 {KB-KB} Kf7 36. e4 dxe4 37. fxe4 f5 38. e5 Ke6 39. Bc7 g5 {[#]} 40. Ke3 $1 Kd5 41. Bd6 (41. Bd8 $16) 41... Kc4 (41... Bc6 $14) 42. Be7 $16 Kd5 43. Bf6 Bc6 44. h4 gxh4 45. gxh4 Bd7 46. Kf4 Kc4 $1 47. Kg5 f4 48. Kxf4 Kxb4 49. Kg5 Bg4 $1 50. e6 Bxe6 {The position is equal.} 51. Kxh5 {Be7+ is the strong threat.} Bf7+ 52. Kg5 {And now Be7+ would win.} Kb3 $1 53. h5 Bxh5 54. Kxh5 a3 55. bxa3 Kxa3 {Accuracy: White = 63%, Black = 59%.} 1/2-1/2 [Event "54th Capablanca Memorial 2019"] [Site "Havana"] [Date "2019.05.09"] [Round "6.2"] [White "Adhiban, B.."] [Black "Gonzalez Vidal, Yuri"] [Result "1/2-1/2"] [ECO "E06"] [WhiteElo "2701"] [BlackElo "2567"] [Annotator "TA"] [PlyCount "114"] [EventDate "2019.05.03"] [EventType "tourn"] [EventCountry "CUB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,114,26,22,16,8,8,8,8,8,8,6,17,16,18,4,14,2,2,4,18,0,22,12,28,10,8,14,14,9,21,12,25,13,20,19,37,10,6,8,15,16,58,52,65,38,38,31,45,18,25,18,21,13,12,8,8,5,5,5,5,5,5,4,4,4,4,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. g3 O-O 6. Bg2 dxc4 7. Ne5 c5 8. dxc5 Qxd1+ 9. Nxd1 Bxc5 10. O-O Nc6 {E06: Closed Catalan: Early deviations} 11. Bxc6 bxc6 12. Be3 Bb6 13. Bxb6 axb6 14. Nc3 {[#]} Nd5 $146 ({Predecessor:} 14... Bd7 15. Rfd1 Rfd8 16. Nxc4 b5 17. Ne5 Be8 18. Rxd8 Rxd8 {1-0 (64) Giri,A (2797)-Jakovenko,D (2719) Shenzhen 2019}) 15. a4 f6 16. Nxc4 {Threatening Nxd5.} Rb8 17. Ne4 Ba6 18. Rfc1 Rfd8 19. f3 e5 20. Kf2 Ne7 21. g4 (21. Ne3 {with more complications.} f5 22. Nc3 Kf7 23. b4 f4 24. Nc2) 21... Bxc4 22. Rxc4 Ra8 23. b3 c5 24. e3 Nc6 25. Ke2 Kf7 26. h4 Rd5 27. Rd1 Rxd1 28. Kxd1 $11 {[%mdl 4096] Endgame KRN-KRN} Rd8+ 29. Ke2 Rd5 30. Rc1 Rd7 31. Nd2 Na5 {[#] White must now prevent ...Rxd2+!} 32. Rb1 Ke6 33. b4 cxb4 $1 34. Rxb4 Rd6 $1 {The position is equal.} 35. Ne4 Rc6 36. Kd3 Nb7 37. h5 Nd6 38. Nxd6 Kxd6 {KR-KR} 39. Rb5 Ke6 40. f4 exf4 41. exf4 Rd6+ 42. Ke3 Rc6 43. g5 fxg5 44. fxg5 Rd6 45. Ke4 Rc6 46. Re5+ Kf7 47. Kd5 Rc5+ 48. Kd6 Rxe5 49. Kxe5 {K3P-K3P} Ke7 50. Kf5 Kd7 51. h6 g6+ 52. Kf6 Kd6 53. Kf7 Kd7 54. Kg7 Ke7 55. Kxh7 Kf7 56. Kh8 {[#] Hoping for Kh7.} Kf8 57. Kh7 Kf7 {Accuracy: White = 56%, Black = 70%.} 1/2-1/2 [Event "54th Capablanca Memorial 2019"] [Site "Havana"] [Date "2019.05.11"] [Round "8.3"] [White "Adhiban, B.."] [Black "Sevian, Samuel"] [Result "1/2-1/2"] [ECO "A30"] [WhiteElo "2701"] [BlackElo "2666"] [Annotator "TA"] [PlyCount "102"] [EventDate "2019.05.03"] [EventType "tourn"] [EventCountry "CUB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,102,-14,-9,-29,18,14,18,16,24,0,0,0,0,0,4,0,0,-2,0,0,0,0,0,-2,0,-6,0,-20,-24,-30,-22,-38,-45,-41,-47,-64,-66,-57,-50,-110,-117,-110,-60,-51,-49,-86,-75,-113,-81,-102,12,5,27,27,8,11,116,112,89,31,135,149,245,238,230,229,204,180,235,183,181,10,51,10,31,4,5,6,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. c4 d4 6. e3 $1 {A30: Symmetrical English: Double Fianchetto and Hedgehog} e6 7. d3 Bd6 8. exd4 cxd4 9. Na3 O-O 10. Nc2 e5 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Re8 12. b5 Nb8 13. Bg5 Nbd7 14. Nd2 {[#]} Nc5 $146 ({Predecessor:} 14... Qc7 15. f4 exf4 16. Bxf4 {1-0 (28) Adhiban,B (2682)-Cheparinov,I (2711) Zagreb 2018}) 15. Ne4 Ncxe4 16. Bxe4 h6 $36 {[%mdl 2048] White is under pressure.} 17. Bxf6 $1 Qxf6 18. Qh5 Rb8 19. a4 a5 20. Rac1 Qg5 21. Qxg5 hxg5 22. Na1 Bb4 23. c5 Bh3 24. Rc4 (24. Rfd1 $15) 24... Bxf1 $17 25. Kxf1 Rbc8 26. Nb3 Re7 27. b6 g6 28. g4 Kg7 29. Ke2 Kf6 (29... Kf8 $17 {And now ...Rb8 would win.} 30. Kf3 Rb8) 30. c6 $11 bxc6 31. Rxc6+ Rxc6 32. Bxc6 {[%mdl 4096] Endgame KRB-KBN} Re6 (32... Kg7 $1 $11 {remains equal.}) 33. b7 $16 Bd6 {[#]} 34. Bd5 ({White should try} 34. Nc5 $1 $16 {[%mdl 512]} Bc7 (34... Bxc5 35. b8=Q) 35. Na6 (35. Nxe6 Kxe6 36. Kf3 Bd6 $14)) 34... Re8 (34... Re7 $1 $14) 35. Nxa5 Ke7 (35... Rd8 $16 36. Kf3 Rd7) 36. Nc6+ $18 Kd7 37. Bxf7 Rh8 38. Bd5 Bb8 (38... Kc7 {keeps fighting.}) 39. Be4 Kd6 40. Na5 $2 ({White should play} 40. a5 $18 Kc5 41. Kf3) 40... Kc5 41. Nc4 ({Don't play} 41. Bxg6 Kb6 $15) 41... Rxh2 42. Bxg6 e4 {The position is equal.} 43. Bxe4 Bg3 $1 44. Bg2 {[%mdl 64] Decoy} Rxg2 {[#]} 45. Kf3 $1 {[%mdl 576] Double Attack} Rg1 {White must now prevent ...Bf4.} 46. fxg3 $11 {KR-KN} Rb1 47. Na5 Kd5 48. Ke2 Rb2+ 49. Kf3 Rb6 50. Kg2 Rb2+ 51. Kf3 Rb6 {Accuracy: White = 45%, Black = 53%.} 1/2-1/2 [Event "54th Capablanca Memorial 2019"] [Site "Havana"] [Date "2019.05.12"] [Round "9.1"] [White "Adhiban, B.."] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "C83"] [WhiteElo "2701"] [BlackElo "2667"] [Annotator "TA"] [PlyCount "102"] [EventDate "2019.05.03"] [EventType "tourn"] [EventCountry "CUB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,116,45,17,27,0,0,6,7,11,0,-50,-62,-66,-68,-60,-74,-68,-39,-60,-11,-85,-65,-61,-19,-31,0,-25,22,-16,-31,-60,-30,-101,-107,-256,-95,-154,-113,-164,-158,-158,-151,-150,-156,-201,-200,-205,-163,-238,-194,-227,-227,-226,-216,-295,-303,-391,-151,-156,-147,-493,-44,-566,-224,-439,-455,-672,-658,-645,-635,-802,-807,-1219,-1239,-1178,-1116,-937,-906,-782,-666,-2128,-4710,-4762,-2143,-4133,-2972,-3282,-2855,-4766,-4762,-4762,-4762,-4758,-4718,-4134,-3116,-2023,-1312,-893,-842]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 Nc5 {C83: Open Ruy Lopez: 9 c3 Be7} (10... O-O 11. Nd4 Nxd4 12. cxd4 f6 13. Nd2 fxe5 14. Bxe5 Nd6 15. Bc2 Qd7 16. Re1 Nc4 17. Nf3 Bg4 18. Qd3 {0-1 (44) Robson,R (2660)-Shankland,S (2671) Saint Louis 2018}) 11. Nd4 $146 ({Predecessor:} 11. Bc2 Bg4 12. h3 Bh5 13. g4 Bg6 14. Bxg6 fxg6 15. Bg3 Ne6 16. Nbd2 O-O 17. Nb3 Qd7 18. Nbd4 Ncxd4 19. Nxd4 {1-0 (51) Chirila,I (2422)-Prohaszka,P (2506) Szeged 2008}) 11... Nxd4 12. cxd4 Nxb3 {The position is equal.} 13. Qxb3 h5 14. Nd2 c5 15. Rfc1 c4 (15... cxd4 16. Nf3 $11) 16. Qd1 g5 17. Be3 Rc8 18. a3 a5 19. b4 (19. Nb1 $11) 19... axb4 20. axb4 g4 21. Ra7 Rc7 22. Rca1 O-O ({Of course not} 22... Bxb4 $6 23. Rxc7 Qxc7 24. Ra8+ (24. Qb1 Bxd2 25. Ra8+ Ke7 $16) 24... Bc8 25. Qb1 $16) 23. Bh6 Re8 $36 {[%mdl 2048] White is under pressure.} 24. Qc1 Bf5 ({Don't blunder} 24... Bxb4 $2 25. Rxc7 Bf8 26. Bxf8 $18) 25. Rxc7 (25. Nf1 $11 {remains equal.}) 25... Qxc7 $17 26. Nb3 (26. Nf1 $17 {was called for.}) 26... Bg6 $2 (26... Bxb4 $19 {has better winning chances.} 27. Qg5+ Bg6) 27. Bd2 (27. Nc5 $142) 27... Qb8 28. Na5 (28. Nc5 $17) 28... Qc8 29. Bc3 Kh7 30. Qe3 Bf8 31. Bd2 {[#]} f6 $1 {[%mdl 512]} 32. Re1 (32. exf6 Rxe3) 32... Qd7 {Threatens to win with ...fxe5.} 33. f4 (33. Qf4 $142) 33... Bh6 {...fxe5 is the strong threat.} 34. Qf2 fxe5 35. Rxe5 {intending f5.} Rf8 36. Qe1 {Black must now prevent Re7+.} Rf7 37. Re6 {And now f5! would win.} ({Reject} 37. f5 Bxf5 38. Bxh6 Kxh6 $19) 37... Bf5 $2 (37... Bg7 $19 38. Bc3 Rxf4) 38. Rb6 Bg7 39. Bc3 $2 {[%mdl 8192]} (39. Rb7 $17 {is tougher.} Bxd4+ 40. Be3 Bxe3+ 41. Qxe3) 39... Qe7 $2 (39... Re7 $19 40. Qh4 Qe8) 40. Nc6 $2 {[%mdl 8192]} (40. Qxe7 $15 Rxe7 41. Rxb5) 40... Qxe1+ 41. Bxe1 Rf6 {Black is clearly winning.} 42. Rxb5 (42. Bc3 $142) 42... Rxc6 $19 {[%mdl 64] Discovered Attack} 43. Rxd5 Kg6 44. Bc3 Ra6 45. Ra5 Rxa5 46. bxa5 Bc8 47. Kf2 Kf5 48. Ke3 h4 49. g3 h3 50. Bb4 Bb7 (50... Ke6 $142 51. Bc3 Kd5) 51. Bc5 Bf6 {Played: Bg7-h6} 0-1