[Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.1"] [White "Moussard, Jules"] [Black "Santos Latasa, Jaime"] [Result "1/2-1/2"] [ECO "C80"] [WhiteElo "2626"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "38"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,38,0,2,0,0,0,0,0,0,0,0,0,0,0,0,6,8,0,0,0,21,0,0]} 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. a4 b4 { The position is equal.} 10. Nbd2 {White wants to play Nxe4. C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} Be7 11. Nxe4 dxe4 12. Bxe6 Qxd1 13. Rxd1 { [#] Black must now prevent Bd7+.} fxe6 14. Ng5 Bxg5 15. Bxg5 {[#]} Rf8 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 15... Nxe5 16. Re1 Nf7 17. Bf4 Nd6 18. Bxd6 cxd6 19. Rxe4 Kd7 20. Rxb4 Rab8 21. Rxb8 Rxb8 {1-0 (77) Droin, A (2313)-Kusa,J (2177) chess.com INT 2020}) 16. Bh4 Rg8 17. Bg5 Rf8 18. Bh4 Rg8 19. Bg5 Rf8 {An uneventful encounter. Weighted Error Value: White=0.03/ Black=0.00} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.2"] [White "Cornette, Matthieu"] [Black "Cheparinov, Ivan"] [Result "0-1"] [ECO "B23"] [WhiteElo "2558"] [BlackElo "2688"] [Annotator "TA"] [PlyCount "82"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,82,-1,0,-8,-8,-9,0,0,0,-8,0,8,23,29,25,0,4,0,12,11,13,-37,-35,-33, -27,-37,-22,-35,-17,-48,-33,-85,-73,-139,-132,-127,-64,-133,-129,-131,-133, -118,-133,-129,-119,-178,-178,-175,-189,-214,-216,-435,-421,-483,-467,-511, -511,-494,-496,-496,-493,-508,-515,-511,-497,-1965,-1666,-1954,-1855,-1638, -1721,-1988,-1705]} 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bc4 Nc6 6. O-O e6 7. d4 {is more profitable than 7.d3 at the moment. B23: Closed Sicilian: Lines without g3.} cxd4 8. Nb5 Nge7 9. Bb3 {[%CAl Rf3d4] The position is equal.} O-O 10. Nbxd4 a6 11. c3 {[#]} Na5 $146 ({Predecessor:} 11... Nxd4 12. Nxd4 e5 13. Nf3 Qc7 14. fxe5 dxe5 15. Ng5 Qb6+ 16. Kh1 Be6 17. Nxe6 fxe6 18. Bg5 Rxf1+ 19. Qxf1 Re8 20. Rd1 h6 21. Bh4 Kh7 22. Qf7 {1-0 (22) Nepomniachtchi,I (2775) -Vachier Lagrave,M (2775) Paris 2019}) 12. Bc2 e5 13. Ne2 b5 14. Qe1 f5 15. fxe5 dxe5 16. exf5 Bxf5 17. Bxf5 Nxf5 ({Reject} 17... Rxf5 18. Ng3 $14) 18. Ng3 Qb6+ 19. Rf2 Nxg3 20. hxg3 Nc4 21. Qe4 (21. b3 $15 Nd6 22. Ba3) 21... Qc5 $17 22. g4 (22. a4 $142) (22. b4) 22... Rad8 {aiming for ...Rd1+.} 23. Bg5 Rd7 ({ Black should try} 23... Bf6 $17 {Hoping for ...Bxg5.} 24. Qe1 Bxg5 25. Nxg5 Qb6 ) 24. b4 (24. Qe2 $15) 24... Qd5 $1 {[%CAl Rd5e4]} 25. Re2 Qxe4 26. Rxe4 h6 27. Bh4 Rf4 $36 {[%mdl 2048] Black is in control.} 28. Rae1 {[#]} (28. Rxf4 $17 exf4 29. Be1) 28... Rxe4 $1 $19 29. Rxe4 Rd1+ 30. Kh2 {[#]} Kf7 $1 31. a4 $2 ( 31. Bf2 {was called for.}) 31... Nd6 {Black is clearly winning.} 32. Re2 e4 33. Nd4 bxa4 34. Rf2+ Ke8 35. Ra2 Nb5 36. Ne2 a3 37. c4 {[#]} Ra1 $1 38. cxb5 (38. Rd2 $142 a2 39. cxb5 Rh1+ {[%mdl 64] Decoy, Clearance, Promotion} 40. Kxh1 a1=Q+ 41. Kh2 Qe5+ 42. Bg3 Qxb5 43. Rc2) 38... Rxa2 39. bxa6 Rc2 {( -> ...a2)} ({Not} 39... Rxe2 $2 40. a7 $18) 40. a7 Rc8 41. b5 Kd7 {Weighted Error Value: White=0.55/Black=0.03} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.3"] [White "Grigoryan, Karen H."] [Black "Dardha, Daniel"] [Result "1/2-1/2"] [ECO "E34"] [WhiteElo "2659"] [BlackElo "2487"] [Annotator "TA"] [PlyCount "120"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,120,35,29,44,-6,-12,-18,0,0,8,11,18,-24,-10,-10,14,13,7,10,15,15,15, 15,16,21,14,19,20,18,18,18,18,16,22,10,16,0,12,10,10,0,0,-3,0,0,0,-11,-10,-12, -6,-20,-17,-20,-9,-48,-35,-24,-21,-25,0,-22,0,0,0,0,0,0,8,8,9,3,3,3,3,3,8,8,8, 8,10,11,16,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,80]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qb3 c5 8. a3 Ba5 { E34: Nimzo-Indian: Classical: 4...d5.} 9. Bd2 (9. Qc4 $5 {[%CAl Rb2b4]}) 9... O-O {[#]} 10. dxc5 $146 ({Predecessor:} 10. e3 Nc6 11. dxc5 Qxc5 12. Qc2 Bc7 13. b4 Qe7 14. Be2 Bd7 15. O-O Rac8 16. Qb2 {0-1 (75) Remlinger,L (2465) -Ashley,M (2460) New York 1995}) 10... Qxc5 11. Rc1 Ne4 12. e3 Rd8 13. Bc4 Nxd2 14. Nxd2 a6 15. Qc2 Qe7 ({Much worse is} 15... Rxd2 $6 16. Qxd2 Qxc4 17. b4 $16 ) 16. b4 Bc7 17. Bd3 h6 {[#]} 18. Nd5 $1 Rxd5 19. Qxc7 Qxc7 20. Rxc7 Nc6 21. Ke2 Rd7 22. Rxd7 Bxd7 23. Nc4 Rd8 24. Rb1 Kf8 25. a4 Ke7 26. b5 axb5 27. axb5 Na7 28. b6 Nc6 29. f4 f6 30. Nd2 Ra8 31. Rb2 g5 32. Nb3 gxf4 33. exf4 Ra3 { [#] And now ...Rxb3! would win.} 34. Kd2 Kd6 35. Be4 Ra6 36. Nc1 Kc5 37. Ke3 { The position is equal.} Nb4 38. Bxb7 Rxb6 39. Nb3+ Kc4 40. Nd2+ Kb5 41. Bf3 Bc6 42. Rb3 Bxf3 43. Kxf3 $11 {[%mdl 4096] Endgame KRN-KRN} ({Avoid the trap} 43. Nxf3 $2 Ka4 $19) 43... f5 44. Kg3 Kc5 45. Kh4 Ra6 46. g3 Ra2 47. Nf3 Nc6 { ...Nd4 is the strong threat.} 48. Rd3 e5 {next ...e4 is good for Black.} 49. Rc3+ Kd5 50. fxe5 Nxe5 51. h3 Nxf3+ 52. Rxf3 {KR-KR} Ke6 53. Kh5 Rh2 54. h4 { Threatens to win with Kg6.} Rh3 55. Ra3 Kf7 56. Kxh6 {Strongly threatening Kg5. } f4 $1 57. Ra7+ Kf6 58. Ra6+ Kf5 59. Ra5+ Kf6 60. Ra6+ Ke5 {Weighted Error Value: White=0.05/Black=0.04} (60... Kf5 $11) 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.4"] [White "Fier, Alexandr"] [Black "Niemann, Hans Moke"] [Result "1-0"] [ECO "C88"] [WhiteElo "2558"] [BlackElo "2472"] [Annotator "TA"] [PlyCount "127"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 25,127,22,12,1,10,7,14,18,37,21,33,24,22,16,54,16,31,9,17,0,0,0,0,0,0, -40,-35,-36,-17,-114,-107,-119,-99,-129,-117,-258,-256,-263,-258,-260,-255, -251,-253,-191,-162,-160,-159,-157,-137,-150,-130,-147,-115,-152,-81,-106,-64, -91,0,-8,0,0,0,0,54,0,0,0,55,56,56,55,56,56,56,48,55,56,45,45,45,0,63,0,54,0,0, 0,0,0,0,0,0,0,0,0,29968,29969,29969,29971,29981,29981,29992,29993]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. Nc3 Na5 11. Ba2 b4 12. Ne2 c5 13. Ng3 Bc8 14. c3 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} Rb8 15. d4 cxd4 16. cxd4 {The position is equal.} b3 17. Bb1 {[#]} Bg4 $146 ({Predecessor:} 17... Qc7 18. Bd2 Nc6 19. d5 Nb4 20. Re3 Nc2 21. Rc3 Qb6 22. a5 Qb5 23. Bxc2 bxc2 24. Rxc2 Nxe4 25. Nxe4 {0-1 (55) Della Morte,P (2220)-Cervetto,E (2146) Villa Martelli 1999}) 18. dxe5 dxe5 19. h3 Be6 20. Nxe5 Bb4 21. Rf1 Bd6 22. Nd3 Bxg3 23. fxg3 Nxe4 24. Qe1 f5 25. Bf4 Rc8 26. Nf2 Nc5 {White must now prevent ...Bc4.} 27. Nd3 Bc4 $1 $17 {[%CAl Rc4d3]} 28. Nxc5 {Hoping for Nd3.} Bxf1 29. Ne6 {[%mdl 64] Double Attack} Qd5 { [%csl Gf1][%CAl Rd5g2]} 30. Kxf1 (30. Qxf1 $17 Qxe6 31. Kh2) 30... Rfe8 $19 ( 30... Rce8 31. Qd2 $19) 31. Qd2 Qxe6 32. Qxa5 Qe2+ {[%mdl 64] Double Attack} 33. Kg1 Qxb2 34. Qxf5 ({Wrong is} 34. Qd5+ $2 Kh8 $19) 34... Qd4+ ({Inferior is } 34... Qxa1 35. Qxh7+ Kf8 36. Bd6+ Kf7 37. Qf5+ Kg8 38. Qh7+ Kf7 39. Qf5+ Kg8 40. Qh7+ Kf7 $11) 35. Kh2 g6 ({Weaker is} 35... Qxa1 36. Qxh7+ Kf8 37. Bd6+ Kf7 38. Qf5+ Qf6 39. Qd5+ Re6 40. Qb7+ Re7 41. Bxe7 $16) 36. Qd3 Qxa1 37. Qxb3+ Kh8 38. Qb7 a5 39. h4 Qf6 ({Black should play} 39... Qd4 40. Ba2 Rcd8) 40. Bd3 Qg7 41. Qb6 Re1 (41... Qc3 $17 42. Be3 Red8) 42. Bg5 $11 Rf8 {Threatens to win with ...Qa1.} (42... Kg8 {seems wilder.} 43. Bc2 h6 44. Bd2 Re2 45. Bxg6 Qc7) 43. Bd2 Re7 (43... Ree8 {looks sharper.} 44. Qxa5 Rc8 45. Ba6 Rc7 46. Qb6 Qe5) 44. Qxa5 {aiming for Bc3.} Rc8 (44... Rc7 $11) 45. Qa6 ({Better is} 45. Ba6 $1 $14 Ra7 46. Qb6) 45... Rf8 (45... Rec7 {with more complications.} 46. Bf4 Rc6 47. Qb5 Re6 48. Bc1 Rxc1 49. Qb8+ Qg8) 46. Bb4 {And now Qc4 would win.} Rc7 ( 46... Rd8 $11) 47. Bxf8 $14 Qxf8 {[%mdl 4096] Endgame KQR-KQB} 48. Qb6 $1 { [%CAl Rb6c7]} Qc5 49. Qf6+ Rg7 $1 50. Be4 Qe7 51. Qd4 Qd7 52. Qb4 Qe7 53. Qd4 Qa7 (53... Qd7 $11 54. Qa1 Qe6) 54. Qc4 (54. Qd8+ $1 $14 Rg8 55. Qf6+ Rg7 56. Bd5) 54... Rc7 (54... Qc7 $11 55. Qd4 Qd7) 55. Qd5 (55. Qe6 $14 Re7 56. Qf6+ Rg7 57. Bd5) 55... Qc5 $11 56. Qd8+ Kg7 57. Bd5 Qe7 $1 {[%CAl Re7d8]} 58. Qb8 Ra7 59. Qb5 (59. Kh3 {is interesting.} Rd7 60. Qg8+ Kf6 61. Qh8+ Qg7 62. Qa8) 59... Qd8 60. Bb3 Qd2 $2 {[%mdl 8192]} (60... Re7 $11) 61. Qe5+ $1 {White mates.} Kh6 62. g4 $1 Rd7 {[#]} 63. Bc4 $1 Qf2 {[#]} 64. Kh3 $1 {Never resign too early! Weighted Error Value: White=0.15/Black=0.29} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.5"] [White "Sochacki, Christophe"] [Black "Nevednichy, Vladislav"] [Result "0-1"] [ECO "B43"] [WhiteElo "2469"] [BlackElo "2546"] [Annotator "TA"] [PlyCount "162"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,162,31,28,25,55,60,42,24,26,26,25,19,15,27,25,29,89,87,147,0,0,0,0,0, 0,-187,-188,-189,-180,-168,-172,-168,-176,-173,-180,-180,-172,-189,-143,-216, -214,-236,-239,-294,-267,-400,-219,-309,-310,-320,-280,-319,-253,-327,-250, -1047,-1012,-758,0,-532,-212,-212,-210,-211,-170,-202,-205,-197,-198,-185,-172, -204,-186,-254,-202,-293,-291,-395,-393,-352,-332,-280,-187,-311,-291,-278, -224,-222,-218,-386,-398,-398,-398,-391,-394,-384,-385,-383,-383,-354,-310, -302,-303,-297,-287,-564,-541,-29959,-29961,-29974,-29974,-29975,-29976,-29976, -29977,-29977,-29976,-29976,-29977,-29976,-29966,-29968,-29969,-29964,-29937, -29977,-29977,-29975,-29978,-29977,-29978,-29978,-29979,-29979,-29979,-29979, -29980,-29982,-29983,-29983,-29984,-29986,-29984,-29990,-29991,-29991,-29992]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nc6 7. Be3 Nf6 8. f4 d6 9. Qf3 Be7 10. Bd3 {B82: Sicilian Scheveningen: 6 f4.} Nxd4 11. Bxd4 O-O 12. O-O {White is slightly better.} e5 13. Be3 exf4 14. Qxf4 Be6 15. Nd5 Bxd5 16. exd5 {[#] Strongly threatening Qh4.} Rae8 $5 $146 {[%mdl 8] New and interesting.} (16... g6 $11 {keeps the balance.}) ({Predecessor:} 16... g6 17. Bd4 Nd7 18. Qh6 Ne5 19. Rae1 f6 20. h4 Rf7 21. Qf4 Raf8 22. h5 f5 23. Rxe5 dxe5 24. Bxe5 {1/2-1/2 (41) Morozevich,A (2656)-Chigaev,M (2606) Khanty-Mansiysk 2018}) 17. Bd4 $16 Nd7 {[#]} (17... Nh5 $142 18. Qf3 g6) 18. Bxh7+ Kxh7 $11 19. Bxg7 Kxg7 20. Qg4+ Kh8 21. Rf3 $2 {[#] Black converts the advantage convincingly.} (21. Qh5+ $11 Kg7 22. Qg4+ Kh8 23. Qh5+ Kg8 24. Qg4+ Kh8) 21... Nf6 $1 $19 {[%CAl Rf6g4]} 22. Rh3+ Nh7 23. Qf5 {[%csl Gh3][%CAl Rf5h7] [#]} Bh4 $1 24. Rxh4 {[%csl Gh4][%CAl Rf5h7]} f6 25. Rf1 Re5 26. Qd3 Rf7 27. b4 Qe7 28. Rf3 (28. c4 $17) 28... Rg7 29. g3 Kg8 30. Rc4 Qd7 31. Qc3 (31. Rf1 $142) 31... Re8 (31... Ng5 $142 32. Rf1 Ne4) 32. Re3 (32. Rf1 {keeps fighting.}) 32... Rge7 33. Rxe7 Rxe7 ({Resist} 33... Qxe7 34. h4 $19) 34. Qf3 Re5 35. h4 Qh3 {( -> ... Re1+)} 36. Kf2 (36. Qg4+ Qxg4 37. Rxg4+ Kf7 38. Rc4) 36... Qh2+ 37. Kf1 Qh3+ 38. Kf2 {If White can now play Qg4+ this consolidates a bit.} Rf5 $2 (38... f5 39. Rc8+ Nf8) 39. Rf4 Qh2+ 40. Ke3 Rxf4 41. Qxf4 Qg1+ 42. Ke4 Qh1+ 43. Kd4 Qd1+ 44. Kc3 Qxd5 45. Qg4+ (45. Qc4 {was called for.} Qf7 46. Qg4+ Kh8 47. Qc8+ Nf8 48. Kb2) 45... Kh8 46. Qc8+ (46. Qc4 {is a better defense.} Qe5+ {[%mdl 64] Double Attack} 47. Kd2) 46... Kg7 47. Qg4+ Kh6 48. Qf4+ {[#]} Kh5 $1 49. g4+ Kg6 50. Qd4 (50. Qc4 $142 Qe5+ 51. Kb3) 50... Qe5 51. Kd3 d5 {aiming for ... Qg3+.} 52. c4 Qg3+ 53. Kd2 $2 (53. Kc2) 53... dxc4 54. Qxc4 Qxh4 55. Qe4+ Kh6 56. Qxb7 Qf2+ 57. Kc3 {intending Qh1+.} Qe3+ 58. Kc2 Qe2+ ({Weaker is} 58... Qxa3 59. Qh1+ Kg7 60. Qb7+ Kh6 61. Qh1+ Kg6 62. Qe4+ Kg5 63. Qxh7 $17) 59. Kc3 Ng5 {Hoping for ...Ne4+.} ({Much less strong is} 59... Qxg4 60. Qxa6 Qf4 61. Qd3 $19) 60. Qh1+ Kg7 61. a4 $2 (61. Qd5 {might work better.}) 61... Nf3 62. b5 a5 {Black mates.} 63. b6 Qd2+ 64. Kb3 Qb4+ 65. Ka2 Qxa4+ 66. Kb2 Qb4+ 67. Ka2 Qc4+ 68. Kb2 Qd4+ 69. Ka2 Qd5+ 70. Ka1 a4 71. g5 Qd4+ {[%mdl 64] Double Attack} 72. Ka2 Qc4+ 73. Ka1 Qc3+ 74. Ka2 Qb3+ 75. Ka1 Qa3+ 76. Kb1 fxg5 77. Qg2 Qb4+ 78. Kc1 Qc3+ 79. Kd1 a3 80. Qa2 Qd3+ 81. Kc1 Nd4 {Weighted Error Value: White=0.47/Black=0.27} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.6"] [White "Mendonca, Leon Luke"] [Black "Checa, Nicolas"] [Result "1/2-1/2"] [ECO "D15"] [WhiteElo "2516"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "33"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,33,23,31,23,18,18,23,24,34,30,43,0,0,-14,0,0,0,0,0,-26,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 g6 8. e4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} dxe4 9. Nxe4 {next Qe2 is good for White.} Ndf6 10. Nc3 {White has an edge.} Be6 11. Be2 {[#]} Qc7 $1 $146 {[%mdl 8] A relevant novelty.} ({Predecessor:} 11... Bd5 12. O-O Ng7 13. Bf4 Ne6 14. Be5 Bg7 15. Nxd5 Nxd5 16. Bxg7 Nxg7 17. Bc4 e6 {0-1 (78) Bagaturov, G (2399)-Volkov,S (2589) Malatya 2015}) 12. Ne5 Rd8 13. Be3 Ng7 $1 14. Bf4 { [#] And now Nxg6! would win.} Ngh5 15. Be3 Ng7 16. Bf4 {Black must now prevent Nxg6!} Ngh5 17. Be3 {Weighted Error Value: White=0.07/Black=0.04} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.7"] [White "Korobov, Anton"] [Black "Maurizzi, Marc Andria"] [Result "1-0"] [ECO "A11"] [WhiteElo "2683"] [BlackElo "2445"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,73,0,28,27,32,29,32,21,71,62,55,39,50,12,102,10,28,19,29,17,55,65,56, 0,0,0,0,0,0,0,162,42,32,70,53,46,54,0,0,0,6,0,52,44,297,303,311,304,305,294, 306,309,294,293,295,276,344,343,378,350,381,385,600,589,766,532]} 1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. cxd5 cxd5 5. Bg5 Nc6 (5... Ne4 $5 {[%CAl Re4g5]} 6. Nxe4 dxe4 $11) 6. Bxf6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} gxf6 {The main line 6...gxf6 scores better than 6...exf6.} 7. e3 a6 8. Bd3 { [#] White is slightly better.} e5 $146 ({Predecessor:} 8... e6 9. Nge2 Bd6 10. Rc1 f5 11. g3 Bd7 12. Nf4 Bxf4 13. gxf4 Qh4 14. Qf3 Rg8 {1/2-1/2 (21) Mikhalevski,V (2571)-Ipatov,A (2631) chess.com INT 2020}) 9. Nge2 Be6 10. O-O h5 11. Bc2 h4 (11... Qd6 $1 $11) 12. dxe5 (12. Bb3 $16) 12... h3 {White must now prevent ...hxg2.} 13. g3 {And now exf6 would win.} fxe5 14. Bb3 {[%CAl Rb3d5]} d4 15. exd4 exd4 16. Bxe6 (16. Ne4 $14) 16... dxc3 $11 17. Bxf7+ Kxf7 18. Qb3+ Kg7 $1 {Strongly threatening ...Qe7.} 19. Nf4 Nd4 $2 (19... Qf6 $11 { and Black has nothing to worry.}) 20. Qxb7+ (20. Qxc3 $18 {aiming for Rad1.} Qf6 21. Qxd4 $1 {[%mdl 576] Remove Defender, Deflection, Decoy} Qxd4 22. Ne6+ { [%mdl 64] Double Attack} Kf6 23. Nxd4) 20... Kg8 $14 {Hoping for ...c2.} 21. bxc3 Rh7 22. Qe4 {[%mdl 1024] White has compensation.} Nb5 23. Ne6 (23. Rfe1 $14) 23... Qc8 $11 24. Rae1 Qb7 25. Qg4+ Kh8 (25... Bg7 $11 26. Nf4 Rf8) 26. Nf4 $36 {[%mdl 2048] Ng6+ would kill now. White is pushing.} Qg7 $2 {[%mdl 8192] Black cannot hold the game after this.} ({Black should try} 26... Rh6 $1 $14) 27. Ng6+ $18 Kg8 {[#]} 28. Re5 $1 {[%CAl Re5g5]} Nd6 {[#]} 29. Rg5 $1 Nf7 {[#]} 30. Ne7+ $1 {[%mdl 576] Discovered Attack} Bxe7 31. Rxg7+ Rxg7 32. Qxh3 Rd8 33. Qe6 Bc5 34. Qxa6 Nd6 35. Qc6 Ba7 (35... Rc8 $142 36. Qd5+ Rf7) 36. Rd1 Rgd7 37. Rd2 {Weighted Error Value: White=0.16/Black=0.41} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.8"] [White "Stefanova, Antoaneta"] [Black "Lagarde, Maxime"] [Result "0-1"] [ECO "A41"] [WhiteElo "2466"] [BlackElo "2651"] [Annotator "TA"] [PlyCount "68"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,68,29,21,22,18,0,0,0,-1,0,14,0,22,29,27,0,1,0,7,-6,34,35,46,-47,-60, -58,-56,-143,-148,-143,-100,-109,-122,-122,-122,-123,-122,-131,-104,-150,-153, -186,-150,-153,-153,-295,-289,-620,-614,-581,-555,-1422,-1422,-29968,-29968, -29962,-29963,-2424,-1587,-1174,-1144]} 1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 f5 5. Nc3 Nf6 6. Bf4 {A81: Dutch Defence: 2 g3.} c6 7. Qd2 {[#]} h6 $146 ({ Predecessor:} 7... O-O 8. Qd3 d5 9. Ne5 Nbd7 10. Nxd7 Bxd7 11. O-O Re8 12. Na4 b6 13. Rad1 Nh5 {1-0 (28) Snerthammer,D (1319)-Oftedal,S (1274) Sandnes 2014}) 8. h4 {The position is equal.} Be6 9. O-O Nbd7 10. Rfe1 Bd5 11. Nxd5 cxd5 12. c3 Rc8 13. Nh2 Ne4 14. Qd1 g5 (14... O-O {is more complex.} 15. Nf1 Rf7 16. Be3 e6 17. a4 Nb6) 15. hxg5 hxg5 16. Bxe4 ({White should try} 16. Bc1 $14) 16... dxe4 $15 17. Bxg5 Bf6 $1 {[%CAl Rf6g5]} 18. Bxf6 (18. Be3 $1 $15) 18... Nxf6 $17 19. Kg2 Qd7 {[%mdl 1024] Black has strong compensation.} 20. Rh1 {White wants to play Ng4!} Kf7 ({But not} 20... f4 $6 21. Ng4 $1 $11) 21. Qb3+ {[#]} d5 $1 {Threatens to win with ...f4!} 22. f4 Rcg8 {Strongly threatening ...Nh5.} 23. e3 Qe6 24. Rag1 Qa6 {[%CAl Ra6e2]} 25. Qc2 Qxa2 26. Qe2 Qb3 $40 {[%mdl 128] Black is out for blood.} 27. Nf1 (27. Ra1 $17 {only move.}) 27... Ng4 $19 28. Nh2 $2 {[#]} (28. Rh4 Nxe3+ 29. Nxe3 Rxh4 30. Nxf5) 28... Nxe3+ $1 {[%mdl 576] Deflection} 29. Qxe3 {Hoping for Qe2.} Qxb2+ 30. Qf2 {[#]} Rxg3+ $1 {[%mdl 576] Double Attack, Pin} 31. Kf1 (31. Kxg3 Rg8+) 31... Qb1+ 32. Qe1 Rxg1+ 33. Rxg1 Qxe1+ 34. Kxe1 Rxh2 {Weighted Error Value: White=0.62/Black=0.19} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.9"] [White "Vasquez Schroeder, Rodrigo"] [Black "Santos Ruiz, Miguel"] [Result "0-1"] [ECO "A06"] [WhiteElo "2441"] [BlackElo "2581"] [Annotator "TA"] [PlyCount "50"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,50,7,4,0,2,8,11,14,14,7,6,6,7,12,35,0,20,0,0,0,0,-47,-40,-39,32,26,32, 35,33,41,70,63,112,101,113,0,0,0,0,0,6,-1981,-1927]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 b6 5. Bb2 Bb7 6. Nc3 {A13: English Opening: 1...e6.} Nbd7 7. Rc1 a6 8. cxd5 {The position is equal.} exd5 9. d4 Bd6 10. g3 Qe7 11. Bg2 h5 {[#]} 12. Qe2 $146 ({Predecessor:} 12. Nd2 h4 13. Nc4 O-O-O 14. Nxd6+ Qxd6 15. Kd2 Kb8 16. Kc2 Rh6 17. Kb1 Rdh8 18. Qc2 {0-1 (38) Dobre,C (2316)-Gheorghiu,C (2315) Mamaia 2019}) 12... O-O-O 13. Nh4 g6 14. O-O Ne4 15. Qc2 Kb8 16. a4 Qe6 (16... Ndf6 $15) 17. Bxe4 $14 dxe4 18. d5 $1 {[%CAl Rd5e6]} Qe7 19. Nxe4 {[%mdl 64] [#] Discovered Attack} Rhe8 20. Nxd6 Qxd6 21. Rfd1 Bxd5 22. e4 ({Better is} 22. a5 $16) 22... Bxe4 $11 23. Qc4 Qc5 {[#] Strongly threatening ...Qxc4.} 24. Qxf7 Rf8 $1 25. Rxd7 $4 {[%mdl 8192]} (25. Rxc5 $11 Rxf7 26. Rc4) 25... Rxd7 { Weighted Error Value: White=0.49/Black=0.14} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.10"] [White "Gines Esteo, Pedro Antonio"] [Black "Plat, Vojtech"] [Result "1/2-1/2"] [ECO "D07"] [WhiteElo "2437"] [BlackElo "2562"] [Annotator "TA"] [PlyCount "83"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,83,0,0,0,0,0,70,39,77,71,75,22,41,19,10,11,26,6,6,-13,-17,-17,-26,-28, -22,-19,0,-46,-44,-39,-41,-35,-41,-43,-32,-72,-27,-27,-27,-27,-27,-27,-27,-34, -27,-28,-28,-28,-34,-35,-35,-35,-10,-10,-11,-11,-6,-20,0,0,0,0,0,0,0,-523,-475, -5976,-5754,-5976,0,0,0,0,0,0]} 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Qa4 Bxf3 5. exf3 dxc4 6. Bxc4 {D07: Queen's Gambit: Chigorin Defence.} e6 7. Nc3 Bb4 {[#]} (7... Qxd4 $11 8. O-O a6) 8. Bb5 $146 {White is slightly better.} ({ Predecessor:} 8. O-O Bxc3 9. bxc3 Nge7 10. Ba3 O-O 11. Bb5 Rb8 12. Bxc6 bxc6 13. Rab1 Rxb1 14. Rxb1 {1-0 (27) Villa,G (1990)-Blium,B Maribor 2012}) 8... Bxc3+ 9. bxc3 Nge7 10. Bg5 ({White should play} 10. Bxc6+ $16 bxc6 11. Ba3) 10... Qd6 $11 11. Bxe7 Kxe7 12. O-O Rhb8 13. Rfe1 Kf8 14. Bxc6 (14. Qc2 { seems wilder.} g6 15. g3 Ne7 16. Re5 Nd5 17. Bc4) 14... Qxc6 15. Qxc6 bxc6 { [%mdl 4096] Endgame KRR-KRR} 16. Rab1 Rb6 17. Rb3 Rab8 18. Reb1 (18. Ra3 { is more complex.} a6 19. Ra5 Rb1 20. Kf1 R1b2 21. Re2) 18... Ke7 19. Kf1 Kd6 20. Ke2 c5 21. Kd3 Kd5 {White must now prevent ...c4+.} (21... Rd8 {with more complications.} 22. Ra1 Kc6 23. f4 Rd5 24. Rc1 Ra6) 22. Rxb6 axb6 23. dxc5 Kxc5 $15 {KR-KR} 24. a4 Rd8+ 25. Kc2 $1 Ra8 26. Rb5+ Kd6 27. Rb4 Ra5 28. h4 Re5 29. Kd2 $1 Rd5+ 30. Kc2 e5 31. f4 exf4 32. Rxf4 f5 (32... f6 {feels hotter.} 33. g4 Ke5 34. Rb4 g6 35. f3 Kd6) 33. Rd4 Rxd4 34. cxd4 $11 {KP-KP} Kd5 35. Kc3 g6 36. Kd3 h6 37. Kc3 $2 {[%mdl 8192] [#]} (37. f3 $1 $11 {and White stays safe.}) 37... g5 $1 $19 {[%CAl Rg5h4]} 38. hxg5 (38. h5 $142 Ke4 39. Kc4) 38... hxg5 39. Kd3 {[#]} c6 $2 ({Better is} 39... g4 $1 $19 {Hoping for ...f4.} 40. f3 g3) 40. f3 $11 {The position is equal.} Ke6 (40... f4 $5) 41. Kc4 Kd6 {Strongly threatening ...b5+!} 42. Kc3 {Weighted Error Value: White=0.57/Black=0.19} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.11"] [White "Cuenca Jimenez, Jose Fernando"] [Black "Souhardo Basak"] [Result "1/2-1/2"] [ECO "E20"] [WhiteElo "2528"] [BlackElo "2216"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,80,-10,23,14,27,15,33,19,48,42,40,44,42,43,44,42,36,36,43,21,43,13, 46,17,23,39,70,73,97,63,57,62,81,75,84,78,62,43,21,0,0,0,29,23,139,132,234,85, 69,0,228,228,255,129,133,20,16,-22,-29,-29,-27,-27,-27,-25,-42,-36,0,0,0,0,0]} 1. c4 {Gutman,L} e6 2. Nc3 Bb4 3. d4 Nf6 4. g3 O-O 5. Bg2 d5 6. Nf3 c5 7. dxc5 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Na6 8. O-O Nxc5 9. Qd4 {[#] White is slightly better.} Qa5 $146 ({Predecessor:} 9... Qe7 10. Be3 Nce4 11. cxd5 Bxc3 12. d6 Qxd6 13. bxc3 Qxd4 14. Bxd4 Bd7 15. Ne5 Bb5 {1-0 (28) Khalifman,A (2626) -Naumann,A (2544) Bad Wiessee 2010 EXT 2011 [Gutman,L]}) 10. cxd5 Bxc3 11. Qxc3 Qxc3 12. bxc3 exd5 13. Ba3 b6 14. c4 Bb7 15. cxd5 Bxd5 16. Bb2 Nce4 17. a3 Rac8 18. Rac1 Bb3 19. Nd4 Nd2 20. Rxc8 (20. Rfe1 {is interesting.} Ba4 21. Bc6 Bxc6 22. Nxc6 Rc7 23. Be5) 20... Rxc8 21. Rc1 Rc5 22. Rxc5 bxc5 23. Nxb3 Nxb3 { [%mdl 4096] Endgame KBB-KNN} 24. e3 Nd2 $1 25. Bc1 Nb3 26. Bb2 Nd2 $1 27. Bc6 c4 (27... Nfe4 $11) 28. f3 Nb3 (28... Nb1 $16) 29. Bb5 (29. e4 $18) 29... Nd2 30. Bc6 {[#]} (30. Kg2 $14) 30... Nb3 $1 $18 31. e4 Kf8 32. Bb5 ({White should try} 32. Bc3 $18) 32... Nd2 $16 33. Kf2 $2 (33. Kg2 $16) 33... c3 $1 $11 { [%CAl Rc3b2]} 34. Bxc3 (34. Bc1 {looks sharper.} Nb3 35. Be3 c2 36. Ba4 c1=Q 37. Bxc1 Nxc1 38. Ke3) 34... Ndxe4+ 35. fxe4 Nxe4+ {[%mdl 64] [#] Double Attack } 36. Ke3 Nxc3 {KB-KN} 37. Bc6 Ke7 38. Kd3 $1 {[%CAl Rd3c3]} Nb1 39. a4 Kd6 40. Be8 Kc5 {Weighted Error Value: White=0.23/Black=0.18} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.12"] [White "Dragnev, Valentin"] [Black "Romanishin, Oleg M"] [Result "1-0"] [ECO "C92"] [WhiteElo "2564"] [BlackElo "2402"] [Annotator "TA"] [PlyCount "83"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,83,45,58,50,72,49,61,44,47,36,44,43,37,35,35,41,50,56,75,42,71,52,60, 25,20,35,41,38,41,49,64,51,60,63,52,34,38,46,46,44,43,47,47,10,24,8,11,6,10,5, 31,31,31,31,40,31,31,32,33,5,6,8,363,362]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 a5 {[%CAl Ba6a5,Ba5a4][%mdl 32]} 10. d4 a4 11. Bc2 Bd7 12. Na3 {[%CAl Bb1a3,Ba3c4,Bc4e5][%mdl 32] C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations.} Rb8 13. Bd3 b4 14. Nc4 {White is slightly better.} bxc3 {[#]} 15. bxc3 $146 {[%CAl Rd4e5]} ({ Predecessor:} 15. dxe5 Nxe5 16. Nfxe5 dxe5 17. bxc3 Rb5 18. Ne3 Rb6 19. Nc4 Rb5 20. Ne3 Rb6 {1/2-1/2 (20) Dominguez Perez,L (2721)-Bruzon Batista,L (2617) Havana 2009}) 15... exd4 16. cxd4 d5 17. exd5 Nb4 18. Bf1 Nbxd5 19. Nce5 Be8 20. Nd3 Nb4 21. Ba3 Nfd5 22. Qd2 {Strongly threatening Rxe7!} Bd6 23. Nxb4 Bxb4 24. Bxb4 Rxb4 25. Rac1 Rb6 26. Qa5 Rd6 27. Rc5 Bc6 28. Rec1 Ba8 29. Ne5 Nf4 30. Qxc7 ({Don't go for} 30. Rxc7 $2 {[#]} Bxg2 $1 31. Nd3 Nxd3 $19) 30... Rxd4 31. Qxd8 Rfxd8 32. Bc4 (32. R1c4 $5 {[%CAl Rc4d4]} Ne6 33. Rxd4 Rxd4 34. Rb5 $14) 32... Bd5 33. Nc6 Bxc6 34. Rxc6 Nd3 35. Rd1 {[#] Hoping for Rxd3.} Kf8 (35... g5 {is more complex.} 36. Bb5 Nf4 37. Rxd4 Rxd4 38. Ra6 Rd1+) 36. Bb5 Ne5 37. Rxd4 Rxd4 38. Ra6 Rd1+ 39. Kh2 Rd2 40. f4 Nf3+ 41. Kg3 Ne1 {[%mdl 8192]} (41... Nd4 $11 {and Black is okay.} 42. Bc4 Nf5+ 43. Kf3 Nd6) 42. Ra8+ {Weighted Error Value: White=0.08/Black=0.25} ({Inferior is} 42. Rxa4 Rxg2+ 43. Kh4 g6 $11) 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.13"] [White "Maze, Sebastien"] [Black "Alvarez Albiol, Victor"] [Result "1-0"] [ECO "B52"] [WhiteElo "2557"] [BlackElo "2206"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,77,15,21,21,12,0,19,0,19,24,21,17,19,13,17,22,25,19,29,6,18,0,29,36, 93,21,74,12,95,101,109,109,119,122,177,141,188,182,317,332,310,311,749,540,542, 533,520,540,512,497,453,456,575,554,3418,3279,2163,1955,2901,1835,29983,29983, 29979,29980,29979,792,783,756]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 Rc8 7. b3 {B52: Sicilian: Moscow Variation with 3...Bd7.} g6 8. Bb2 Bg7 9. c4 {The position is equal.} O-O 10. d4 cxd4 11. Nxd4 a6 12. Nc3 Re8 13. Rfd1 Qa5 14. Rac1 Nc5 15. f3 e6 16. Nc2 Qc7 17. Ne3 {[#]} Red8 $146 {[#]} ( 17... Qb6 $14) ({Predecessor:} 17... Qb6 18. Kh1 Rcd8 19. Rc2 Nfd7 20. Rcd2 Ne5 21. f4 Nc6 {0-1 (45) Zylka,S (2336)-Pulpan,J (2400) Katowice 2017}) 18. g3 (18. Ncd5 $1 $16 {[%CAl Rd5c7]} Nxd5 19. cxd5) 18... h5 {[#]} (18... Ncd7 $11) 19. Kg2 ({Better is} 19. Ncd5 $1 $16 {[%CAl Rd5c7]} Nxd5 20. cxd5) 19... h4 {[#]} ( 19... Qa5 $11) 20. Ncd5 $1 $16 {[%CAl Rd5c7] White leaves nothing to chance now.} Nxd5 (20... h3+ 21. Kg1) 21. cxd5 {Bxg7 is the strong threat.} Bxb2 22. Qxb2 e5 (22... Qe7 $16) 23. Qd2 {Strongly threatening b4.} (23. gxh4 Qe7 $11) 23... a5 {[#]} 24. Ng4 $1 (24. gxh4 $6 Qe7 $16) 24... b5 (24... Qe7 {might work better.} 25. Qh6 (25. Qxa5 Qg5 $16) 25... Nd7 26. gxh4 Nf6) 25. Qg5 $18 ({ Much less strong is} 25. gxh4 f5 $18) 25... h3+ 26. Kxh3 Qa7 $2 (26... Rf8 27. Rxc5 (27. Nf6+ Kg7 $16) 27... dxc5) 27. Kg2 Kf8 28. h4 Qe7 {Now ...Qxg5 and Black clings on.} 29. Qh6+ Ke8 30. h5 Kd7 31. hxg6 Rh8 32. Qg7 {Hoping for Nf6+.} Rcf8 {[#]} 33. Rxc5 $1 dxc5 34. d6 Qe6 35. Qxe5 fxg6 36. Qg7+ Ke8 37. Qc7 Qd7 38. Qxd7+ (38. Ne5 $142 Qxc7 39. dxc7 Ke7 40. Nxg6+ {[%mdl 64] Double Attack} Kf7 41. Nxh8+ Kg7 42. Rd7+ Kxh8 43. Rd8) 38... Kxd7 39. Ne5+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.18/Black=0.41} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.14"] [White "Martin Duque, Jesus"] [Black "Krysa, Leandro"] [Result "1-0"] [ECO "C78"] [WhiteElo "2422"] [BlackElo "2531"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,65,9,20,17,21,17,19,29,28,32,33,25,78,70,85,86,87,97,81,95,424,416, 411,100,80,96,68,25,141,141,153,9,248,238,262,250,612,625,602,617,579,580,664, 651,697,691,658,653,621,546,544,537]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 O-O {8...h6 is more advanced technology.} 9. Bg5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} h6 10. Bh4 g5 11. Bg3 {The position is equal.} Bg4 12. Nbd2 Rb8 13. Re1 Ne8 {[#]} (13... Bh5 $11 {remains equal.}) 14. h3 $146 ({Predecessor:} 14. Qc1 Ng7 15. Bd5 Ne7 16. d4 Nxd5 17. exd5 exd4 18. Nxd4 Bxd4 19. cxd4 Bc8 20. Qc3 {1/2-1/2 (38) Bragin,A (2375)-Dzhakaev,D (2395) Krasnodar 1999}) 14... Bh5 {[#]} 15. Nxe5 $1 Bxd1 16. Nxc6 Qf6 17. Raxd1 Rc8 {[%mdl 8192]} (17... Rb6 $16 {is more resistant.}) 18. d4 $18 Bb6 19. Bd5 $2 (19. e5 $18 {and White stays clearly on top.} dxe5 20. Bd5 exd4 21. Ne4) 19... Kh8 $16 20. e5 Qg7 21. exd6 (21. Ne7 $5 {[%CAl Re7c8]} Rd8 22. Be4 $11) 21... Nxd6 {[#]} (21... cxd6 $11 {keeps the balance.} 22. Ne7 Rd8) 22. Re7 $1 $36 {[%mdl 2048] Be5 is the strong threat. White is on the roll.} Qg6 {Threatening ...Qc2.} 23. Ne5 (23. Rde1 $16) 23... Qf6 $2 {[#]} ( 23... Qc2 $11 {and Black has nothing to worry.} 24. Bb3 Qxb2 25. Ng6+ Kg7 26. Nxf8 Rxf8) 24. Re1 $1 $18 {[%mdl 512]} Qf5 {Now ...Kg7 and Black clings on.} ( 24... Rcd8 25. Nxf7+) 25. Ne4 Nxe4 $2 (25... Kg7 26. Nxf7 {[%mdl 64] Clearance} Nxf7 27. Be5+ Qxe5 28. dxe5 Rce8) 26. Bxe4 {White is clearly winning.} Qf6 27. Nc6 Qg7 28. Bf5 Kg8 29. Be5 f6 30. Rxg7+ Kxg7 31. Bxc8 fxe5 32. Bg4 exd4 33. Nxd4 {Weighted Error Value: White=0.38/Black=0.59} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.15"] [White "Lopez Martinez, Josep Manuel"] [Black "Garcia Ramos, Daniel"] [Result "0-1"] [ECO "A11"] [WhiteElo "2542"] [BlackElo "2380"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,63,0,2,0,0,0,0,0,34,32,47,44,55,36,34,21,17,10,23,12,29,3,0,-12,-5, -46,-31,-29,21,21,30,39,179,179,175,186,175,114,158,165,172,169,205,159,158,0, 0,-258,-264,-963,-956,-6129,-5795,-29997]} 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Qc2 {A11: English Opening: 1...c6.} Qe7 8. Be2 O-O 9. O-O {The position is equal.} b6 $1 {The main line 9...b6 scores better than 9...Re8.} 10. cxd5 cxd5 11. Nb5 Ba6 {[#]} 12. a4 $146 ({Predecessor:} 12. Rfc1 Rfc8 13. Qd1 Bxb5 14. Bxb5 Ba3 15. Bxa3 Qxa3 16. Rc2 Rxc2 17. Qxc2 Qc5 18. Qxc5 bxc5 {1/2-1/2 (75) Tomashevsky,E (2705)-Dastan,B (2572) chess.com INT 2020}) 12... Rfc8 13. Qb1 Bb4 14. Rc1 Nc5 15. Be5 Nce4 16. Rxc8+ Rxc8 17. Qb2 Ng4 18. Bxg7 f6 19. h3 $1 Qxg7 20. hxg4 Qxg4 21. Rc1 Rf8 ({Black should try} 21... Rc5 $1 $14) 22. d3 $1 $18 Bxb5 23. axb5 Ng5 24. Nd4 (24. Rc6 $18) 24... Qh4 { [#] Threatening ...Bd6.} 25. Rc6 Kh8 {...Nh3+! is the strong threat.} 26. g3 Rg8 {[#] And now ...Nh3+ would win.} 27. Nf5 $1 {[%mdl 512]} Nh3+ 28. Kg2 $2 ( 28. Kh2 $16 Qg5 29. Rxe6) 28... exf5 $11 29. Rxf6 $2 {[%mdl 8192] [#]} (29. Qxf6+ $11 {and White has nothing to worry.} Qxf6 30. Rxf6) 29... d4 $1 $19 30. Rxf5 (30. Qxd4 Qxd4 31. exd4 Nf4+ 32. Kf1) 30... Bc3 {( -> ...Nxf2)} 31. Rf8 Rxf8 ({Weaker is} 31... Bxb2 32. Rxg8+ Kxg8 33. gxh4 $14) 32. Kh2 {Weighted Error Value: White=0.76/Black=0.15} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.16"] [White "Ootes, Lars"] [Black "Bellahcene, Bilel"] [Result "1/2-1/2"] [ECO "B94"] [WhiteElo "2373"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,61,19,19,21,29,27,16,4,8,7,0,0,0,0,0,0,0,0,0,0,10,0,-29,20,22,12,6, 11,13,13,0,0,-18,0,-10,-33,-85,-77,-77,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qb6 {B94: Sicilian Najdorf: 6 Bg5 Nbd7.} 8. Bb3 e6 9. Qd2 Be7 10. O-O-O Nc5 11. Rhe1 Qc7 12. f4 { White wants to play e5.} h6 13. e5 dxe5 14. fxe5 hxg5 15. exf6 Bxf6 16. Nd5 $1 {[%CAl Rd5c7]} Qd8 {[#]} (16... Qxh2 $2 17. Nf3 $18) 17. Bc4 $146 ({ Predecessor:} 17. Qb4 Be7 18. Nxe7 Qxe7 19. Qb6 Nxb3+ 20. axb3 O-O 21. Nf5 Qf6 22. Nd6 a5 23. Qc7 {1/2-1/2 (30) Fischer,W (2439)-Yurov,A (2453) ICCF email 2018}) 17... O-O ({Don't blunder} 17... Rxh2 $2 18. Nf5 $18 (18. Nf3 Rh6 $16)) 18. Nxf6+ Qxf6 19. Qa5 b5 20. Bxb5 $1 Nb7 $1 {[%CAl Rb7a5]} 21. Qa3 {Black must now prevent Rf1.} e5 $1 {Strongly threatening ...Bg4.} 22. Rf1 Qb6 { [%mdl 64] Double Attack} 23. Nc6 {[%CAl Rc6e7]} Qxb5 24. Qf3 (24. Ne7+ $15 Kh7 25. Qe3) 24... Qc5 $17 {Hoping for ...Bg4!} 25. b4 {[#]} g4 $1 26. Qe4 $1 $11 { The position is equal.} Qb6 {aiming for ...Re8.} 27. Ne7+ Kh8 28. Ng6+ { [%mdl 64] Double Attack} Kg8 29. Ne7+ Kh8 30. Ng6+ {[%mdl 64] Double Attack} Kg8 31. Ne7+ {Weighted Error Value: White=0.05/Black=0.07} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.17"] [White "Ayats Llobera, Gerard"] [Black "Narciso Dublan, Marc"] [Result "1/2-1/2"] [ECO "C05"] [WhiteElo "2400"] [BlackElo "2492"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,65,44,42,52,52,45,30,50,31,40,-10,-8,-10,-7,-18,-16,-27,-16,-27,-26, -30,0,0,0,0,0,-28,-39,-29,-34,-37,-36,-31,-18,-27,-16,-240,0,0,0,0,0,-10,0,0,0, 0,0,0,-5,-6]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6 Nxa6 9. Nf4 Nc7 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} 10. Qg4 g6 11. h4 h5 {White has an edge.} 12. Qh3 {[#]} Nb8 $146 ( {Predecessor:} 12... Be7 13. Nf3 c4 14. Be3 b5 15. g4 hxg4 16. Qxg4 Nf8 17. h5 gxh5 18. Rxh5 Rxh5 19. Nxh5 {1-0 (42) Steenbekkers,F (2198)-Waquet,F La Fere 2003}) 13. g4 hxg4 14. Qxg4 Nc6 15. Nf3 cxd4 16. cxd4 Qd7 17. Be3 O-O-O 18. O-O-O Na5 19. Kb1 Kb7 20. Ng5 Rc8 21. h5 gxh5 22. Rxh5 Rg8 23. Nd3 Nc4 24. Qf3 Be7 25. Nxf7 ({Don't blunder} 25. Qxf7 $2 Rcf8 $19) 25... Rg7 {Threatens to win with ...Rf8.} 26. Bh6 $2 {[#]} (26. Nd6+ $1 $11 Bxd6 27. exd6) 26... Rh7 $2 ({Better is} 26... Nb5 $1 $19 {[%CAl Rb5d4][%mdl 512]} 27. Bxg7 (27. Nd6+ Bxd6) 27... Nxd4 28. Nd8+ Bxd8) 27. Be3 $11 {The position is equal.} Rxh5 28. Qxh5 Nb5 29. Rc1 {[#]} Nba3+ $1 30. bxa3 Qb5+ 31. Ka1 {And now Nd6+ would win.} Nxe3 32. fxe3 {aiming for Rxc8.} Qxd3 {[%mdl 64] Double Attack} 33. Rxc8 $1 { Weighted Error Value: White=0.19/Black=0.16} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.18"] [White "Msellek, Ilyass"] [Black "Batsiashvili, Nino"] [Result "0-1"] [ECO "C78"] [WhiteElo "2316"] [BlackElo "2460"] [Annotator "TA"] [PlyCount "110"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,110,53,51,21,26,14,0,4,29,0,0,0,0,-24,-8,-11,-15,-46,-19,-99,-41,-37, -46,-59,-45,-114,-25,-39,-11,-22,-12,-54,-55,-51,-43,-106,-47,-154,0,0,1,-38,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,-58,-52,-56,-60,-114,-103,-119,-101,-116,-115,-390, -384,-408,-390,-433,-499,-492,-470,-638,-631,-638,-589,-743,-721,-834,-828, -760,-786,-772,-735,-1252,-1251,-1184,-989,-1435,-1395,-5924,-5473]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Ba7 ({Avoid the trap} 10... Bxa5 $2 11. dxe5 (11. d5 Ne7 $18) 11... dxe5 12. Qxd8+ Kxd8 13. Bd5 $18 (13. Bxf7 Bb6 $16)) 11. h3 Bb7 12. Re1 {The position is equal.} O-O 13. Be3 exd4 ({Reject} 13... Nxe4 $6 14. d5 $16) 14. cxd4 {With the idea d5.} Nb4 { 14...Ne7 might become the main line.} ({Not} 14... Nxe4 15. d5 $18) 15. d5 Bxe3 16. Rxe3 c5 17. Nbd2 {[#]} Re8 $146 ({Predecessor:} 17... Nd7 18. Bc2 Qf6 19. Rb1 Rbe8 20. Nf1 Ne5 21. N3d2 g6 22. Ng3 Re7 23. Rc3 Rfe8 {0-1 (55) Antoniewski,R (2512)-Pavasovic,D (2597) Austria 2007}) 18. Qb1 (18. Ne1 $11) 18... Bc8 (18... Nh5 $17 19. h4 Qd7) 19. Nf1 $15 Nh5 20. Qe1 Rb7 21. Qc3 (21. Rd1 $15) 21... Nf4 (21... Rbe7 $1 $17 22. Rae1 Qxa5) 22. Ng3 $11 h5 23. Ne2 Ng6 24. Ng3 h4 $1 {[%CAl Rh4g3]} 25. Nh5 {[%csl Gh5][%CAl Rc3g7]} f6 26. Bd1 (26. Rae1 $15) 26... Rbe7 (26... f5 $1 $17 {[%CAl Rf5e4]} 27. exf5 Rxe3 28. Qxe3 Bxf5) 27. Nd2 {[#]} (27. Bc2 $15) 27... Re5 $2 ({Black should play} 27... f5 $1 $17 28. exf5 Bxf5) 28. g4 $1 Qc7 29. Bf3 Qf7 (29... Rxh5 $5 30. gxh5 Nf4 $11) 30. Kh2 Rg5 31. Be2 Rge5 32. Bf3 Nf8 33. Rae1 Qg6 34. Bd1 Qh6 35. Nf3 Rxh5 36. gxh5 Qxh5 37. Rg1 (37. Qd2 $11) 37... Qh6 $15 38. Nd2 Ng6 39. Bg4 ({White should try} 39. Kh1 $15) 39... Bxg4 $17 40. Rxg4 Ne5 {And now ...Na2 would win. } 41. Rg2 f5 {Strongly threatening ...fxe4.} 42. f3 {[%mdl 8192] [#] Loses the game.} (42. Nf3 $17 {might work better.}) 42... Nc2 $1 $19 {[%mdl 512]} 43. Ree2 (43. Qxc2 Qxe3) 43... Nd4 44. Qe3 Qxe3 {Black is clearly winning.} 45. Rxe3 {[#]} f4 $1 {[%CAl Rf4e3]} 46. Ree2 Nxe2 47. Rxe2 {[%mdl 4096] Endgame KRN-KRN} c4 48. Kg2 Rc8 49. Nb1 b4 50. Rc2 Rc5 51. Nd2 Rxa5 52. Nxc4 Rc5 53. b3 a5 54. Ra2 Nxc4 55. bxc4 Rxc4 {Weighted Error Value: White=0.73/Black=0.14} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.19"] [White "Lever, Erwan"] [Black "Bulmaga, Irina"] [Result "0-1"] [ECO "E04"] [WhiteElo "2200"] [BlackElo "2424"] [Annotator "TA"] [PlyCount "64"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,64,46,50,50,50,50,50,50,50,67,50,37,60,54,25,60,25,10,14,18,0,0,0,0, 0,155,145,134,-2080,-620,-579,-514,-686,-667,-608,-547,-543,-534,-600,-279, -1247,-1210,-1125,-991,-929,-898,-29982,-29983,-29982,-29983,-12839,-12839]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Nfd2 { 8.Qe2 is the hot move.} e5 {E04: Open Catalan: 5 Nf3.} 9. Bxc6+ bxc6 10. dxe5 Ng4 {White is slightly better.} 11. Nxc4 Be6 12. Nbd2 Bb4 13. b3 h5 { Threatening ...h4.} 14. h3 Bc3 15. Ba3 (15. hxg4 Bxa1 16. Ba3 Bc3 $17) 15... Bxa1 16. Qxa1 h4 $1 {[%CAl Rh4g3] [#] And now ...hxg3 would win.} 17. hxg4 hxg3 18. Nf3 {Ncd2 is the strong threat.} (18. fxg3 Bxc4 19. Rf2 (19. Nxc4 $2 Qd5 $19) 19... Be6 $19) 18... Qd3 $40 {[%mdl 128] Strongly threatening ...g2. Black attacks.} 19. Ncd2 {[#]} Bd5 $146 (19... Qh7 $2 20. fxg3 Bxg4 21. Nh4 $18 ) (19... Rd8 $1 $11 20. e4 (20. fxg3 $2 Qxe3+ 21. Rf2 Rxd2 $19 {[%mdl 64] Pin}) 20... Bxg4) ({Predecessor:} 19... Rd8 20. Qc1 g2 21. Kxg2 Bxg4 22. Rh1 Bxf3+ 23. Kxf3 Qf5+ 24. Ke2 Qd3+ 25. Kf3 Qf5+ 26. Ke2 Qd3+ 27. Kf3 Qf5+ 28. Ke2 Qd3+ 29. Kf3 Qf5+ {1/2-1/2 (29) Arvola,B (2482)-Vitenberg,N (2298) Fagernes 2020}) 20. e6 $16 f6 {White must now prevent ...Qxd2!} (20... Qh7 $2 21. exf7+ Bxf7 22. fxg3 $18) 21. g5 $2 {[%mdl 8192] Now White is beyond hope.} ({Don't go for } 21. fxg3 $2 Qxe3+ 22. Rf2 {[#]} Rh1+ $3 {[%mdl 512]} 23. Kxh1 Qxf2 $19) (21. Qc1 $16) 21... g2 ({Avoid the trap} 21... Qh7 $2 22. fxg3 Bxf3 23. Nxf3 $18) ( 21... Bxf3 $142 22. Nxf3 g2) 22. gxf6 $19 gxf1=Q+ 23. Nxf1 {Hoping for f7+.} Qg6+ (23... Bxf3 $2 24. f7+ Kd8 25. f8=Q+ (25. e7+ Kd7 $11) 25... Rxf8 26. e7+ Kd7 27. exf8=R $18) 24. Ng3 {aiming for f7+.} gxf6 ({Not} 24... Bxf3 $2 25. f7+ Kd8 26. f8=Q+ Rxf8 27. e7+ Kd7 28. exf8=R $18) 25. Qd4 Rd8 26. Qb4 {[%csl Ga3] [%CAl Rb4e7]} Qg7 (26... Qb1+ $142 27. Kg2 Qh7) 27. e7 $2 (27. Qf4) 27... Bxf3 {[%csl Gf3][%CAl Rh8h1]} 28. exd8=Q+ Kxd8 {[%csl Gf3][%CAl Rh8h1]} 29. Kf1 Qh7 {( -> ...Qh1+!)} 30. Qd4+ Kc8 31. Ke1 Qb1+ 32. Kd2 Rd8 {Weighted Error Value: White=0.80/Black=0.52} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.20"] [White "Jimenez Ruano, Adrian"] [Black "Travadon, Loic"] [Result "0-1"] [ECO "D31"] [WhiteElo "2279"] [BlackElo "2421"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 29,80,4,6,0,15,10,55,0,0,0,23,-30,41,43,31,7,87,100,183,31,67,67,194, 200,253,33,150,75,90,116,126,69,64,62,75,71,65,45,75,-83,75,82,65,-420,-392, -468,-464,-445,-408,-29982,-29983,-29985,-29985]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7 15. Nd2 Qc7 16. f4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} a4 17. Rb1 $1 b3 18. Ba3 (18. Ra1 $1 $14) 18... Rfd8 $11 19. Qe2 Nf8 {[#]} 20. f5 $146 (20. Rf2 $142 ) ({Predecessor:} 20. Rbc1 Ng6 21. f5 exf5 22. Rxf5 Re8 23. Rcf1 Ra6 24. e4 Rae6 25. d5 Re5 26. Rxf6 gxf6 27. Rxf6 {0-1 (37) Cleto,F (2528)-Voll,A (2504) ICCF email 2004}) 20... exf5 ({Better is} 20... e5 $11 21. d5 N8d7) 21. Rxf5 $14 Ng6 22. Rbf1 Re8 (22... Ra6 $11) 23. d5 $16 Rad8 (23... Ba6 $16 {was necessary.}) 24. Bb2 $2 ({Only move:} 24. Rxf6 $18 gxf6 25. Qf2 (25. Ne4 Rxe4 26. Bxe4 Ba6 $14)) 24... Rd6 $1 $14 25. Qf2 Ng4 (25... Bc8 $14) 26. Qg3 $1 $18 (26. Rxf7 $2 Rd7 $19) 26... Nh6 27. e4 ({White has to play} 27. Rh5 $18) 27... Bc8 (27... Nxf5 $6 28. exf5 Rd7 29. fxg6 $18) ({Black should play} 27... f6 $14 ) 28. Rg5 (28. Rh5 $142) 28... Qa7+ 29. Kh1 Ra6 {Black wants to play ...a3.} 30. Ba3 (30. Bc3 $1 $16) 30... f6 31. Rh5 Ng4 {Threatens to win with ...Qd4.} 32. c5 {And now Nc4 would win.} N4e5 33. Bb5 Rd8 {Strongly threatening ...Ra5.} 34. Nc4 (34. Nf3 $16 {[%CAl Rf3e5] stays on course.} Ra5 35. Nxe5 Nxe5 36. Be2 (36. Rxf6 $2 Rxb5 37. Rf1 Ng6 $19)) 34... Ra5 $2 35. Nxe5 $16 ({Reject} 35. Nxa5 Qxa5 36. Be2 Qd2 $11) 35... Nxe5 36. Rxf6 $2 {[%mdl 8192]} (36. Be2 $14 Ba6 37. Bxa6 (37. Rxf6 Bxe2 38. Rhf5 Bg4 $17) 37... Qxa6 38. Rhf5) 36... Rxb5 $19 37. Qxe5 {[#]} b2 $1 {[%CAl Rb2b1]} 38. Bxb2 {[#]} a3 $1 {[%CAl Ra3b2]} 39. Rd6 (39. d6 $19 Qb7 40. Rf1 axb2 41. Rb1 (41. Qe7 $2 Qxe7 42. dxe7 Re8 $19)) 39... Rf8 {[%CAl Rf8f1]} 40. Rf5 Bxf5 {Black used his chance. Weighted Error Value: White=0.69/Black=0.33} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.21"] [White "Garriga Cazorla, Pere"] [Black "Carbonell Sancho, Marc"] [Result "1-0"] [ECO "E71"] [WhiteElo "2487"] [BlackElo "2274"] [Annotator "TA"] [PlyCount "83"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,83,29,48,37,37,40,35,44,58,62,100,65,70,87,100,70,86,99,127,100,164, 156,158,175,181,180,216,233,228,235,239,249,303,303,296,296,297,282,281,289, 289,293,295,306,303,285,285,285,265,255,343,341,462,441,524,504,828,482,1337, 495,614,613,600,587,1164,1106,1030,989,1254,1067,1564,1532]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 a5 8. g4 {E71: King's Indian: 4 e4 d6 5 h3.} Na6 9. Nge2 h5 10. f3 {White is slightly better.} Nd7 11. Qd2 {[#] } Ndc5 $146 ({Predecessor:} 11... Nb6 12. Ng1 Bd7 13. O-O-O h4 14. g5 Nc5 15. Rh2 Nba4 16. Rg2 Nxc3 17. Qxc3 a4 {1-0 (44) Sevilla,A (2427)-Faber,H (2456) Remote email 2012}) 12. O-O-O h4 13. Kb1 {White stays focused until the end.} Bd7 14. Rg1 a4 15. Nb5 Qe7 16. Nec3 Rfd8 {[#]} (16... c6 $16 {was necessary.}) 17. Nxc7 $1 $18 {[%mdl 576] Deflection} Nxc7 18. Bxc5 dxc5 19. d6 {[%mdl 64] Double Attack} Bc6 {Strongly threatening ...Qf8.} 20. dxe7 Rxd2 21. Rxd2 { Hoping for Rd8+.} Ne6 22. g5 Nd4 {[#]} 23. Rxd4 $1 exd4 24. Nd5 Be5 25. f4 Bxd5 26. cxd5 {[%mdl 4096] Endgame KRB-KRB} Bd6 27. e5 Bxe7 28. d6 Bd8 29. Bc4 Kg7 30. Re1 Ba5 31. Re2 Re8 32. Kc2 a3 33. bxa3 {[%CAl Bb2a3,Ba3a4][%mdl 32] White is clearly winning.} Kf8 34. Kd3 Bc3 (34... Kg7 $142 35. Bd5 b5) 35. a4 Ra8 ( 35... Kg7 $142 36. Bd5 Ba5 37. Bxb7 Bc3) 36. Bb5 (36. e6 $142 {Threatening mate with e7+.} fxe6 37. Rxe6) 36... Rd8 37. Kc4 Bb4 38. Kd5 Ba3 39. e6 fxe6+ 40. Rxe6 Kf7 41. Bd3 Kf8 42. Rf6+ {Weighted Error Value: White=0.28/Black=0.29} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.22"] [White "Asis Gargatagli, Hipolito"] [Black "Dalaud, Dorian"] [Result "1-0"] [ECO "C02"] [WhiteElo "2470"] [BlackElo "2291"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,73,21,-18,-21,-29,-22,-20,51,35,54,57,58,56,45,42,113,91,108,102,109, 116,142,104,106,115,144,151,200,200,181,192,202,235,347,176,296,279,311,310, 366,350,507,500,605,604,704,689,817,756,1068,1033,1191,1238,1456,1266,1626, 1616,1610,1590,1598,1483,2441,2358]} 1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. O-O cxd4 {C02: French: Advance Variation.} 8. Re1 Nge7 9. h4 {[#]} O-O-O $146 (9... Rc8 $11) ({Predecessor:} 9... Rc8 10. Nbd2 dxc3 11. bxc3 Na5 12. Rb1 Qc7 13. Nb3 Nec6 14. Nbd4 Nxd4 15. cxd4 Be7 {1-0 (100) Jones, G (2670)-Erigaisi,A (2559) Chess.com INT 2020}) 10. Na3 Kb8 11. Nb5 Nc8 12. Nbxd4 Nxd4 13. Nxd4 Be7 (13... Bc5 $1 $14) 14. Qg4 h5 15. Qg3 (15. Qxg7 $6 Rdg8 $11) 15... Rdg8 16. a4 a6 17. Re2 Qd8 18. Nf3 Nb6 19. b3 d4 {[#]} 20. c4 ({ Much less strong is} 20. cxd4 $6 Bc6 $16) ({Don't take} 20. Nxd4 $6 Bxh4 21. Qf3 Rf8 $16) 20... Bc6 21. Ng5 Be8 22. Bd2 Qc7 (22... Nd7 $142 23. b4 a5) 23. Nf3 (23. Ba5 $142) 23... Qd8 (23... Nd7 $142 24. Nxd4 Qb6) 24. a5 $18 Nc8 25. b4 Na7 26. Rb1 Ka8 (26... Bc6 {was worth a try.} 27. b5 axb5 28. cxb5 Bd5) 27. b5 {White is clearly winning.} Bc5 28. Ng5 axb5 29. cxb5 Qd5 30. a6 {[%CAl Ba5a6,Ba6b7][%mdl 32]} Bxb5 31. axb7+ Kb8 32. Bxb5 Nxb5 33. Rxb5 d3 {[#]} 34. Re3 $1 {[%mdl 64] Pin} Qc6 {[#]} 35. Rxc5 $1 Qxc5 36. Nxf7 Rh7 37. Qg6 { Weighted Error Value: White=0.12/Black=0.44} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.23"] [White "Gatineau, Yovann"] [Black "Ortega Ruiz, Jose Miguel"] [Result "0-1"] [ECO "A45"] [WhiteElo "2423"] [BlackElo "2251"] [Annotator "TA"] [PlyCount "122"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,121,2,-2,-2,16,16,18,18,16,22,37,38,49,60,65,55,58,43,57,56,57,40,75, 58,66,33,40,28,18,22,43,38,71,92,85,41,85,40,97,86,95,38,52,0,125,133,136,132, 130,132,129,128,132,140,200,209,213,66,66,67,53,16,156,154,171,135,217,79,79, 36,33,0,0,0,0,-17,-19,-102,-84,-214,-196,-207,-195,-195,-131,-283,-270,-1364, -1392,-1392,-1364,-1349,-1335,-1172,-1185,-714,-582,-29968,-29970,-29978, -29979,-29972,-29972,-29975,-29976,-29981,-29982,-29981,-29982,-29983,-29984, -29984,-29985,-29999]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c6 6. Be2 {A45: Trompowsky Attack.} h6 7. Nf3 Be6 8. Qd2 {The position is equal.} Nbd7 9. Ne5 {[#]} Nxe5 $146 ({Predecessor:} 9... a5 10. O-O-O a4 11. Kb1 Nxe5 12. Bxe5 b5 13. a3 Qb6 14. f3 O-O 15. Na2 c5 16. dxc5 Qxc5 {0-1 (50) Livaic,L (2495) -Tomashevsky,E (2705) chess.com INT 2020}) 10. Bxe5 Qc8 11. O-O-O b5 12. Bd3 a5 13. Ne2 Bf5 14. Nf4 h5 15. f3 Bh6 16. Rde1 Kf8 17. Rhf1 (17. Bxf5 {seems wilder.} Qxf5 18. Nd3 Qc8 19. Qf2 Bg7 20. Bf4) 17... Bxf4 18. Bxf4 Bxd3 19. Qxd3 Qf5 20. Qd2 Nd7 21. e4 Qe6 22. Kb1 Nb6 23. b3 Ra7 (23... a4 $14) 24. Bh6+ Kg8 25. g4 hxg4 26. Qf4 (26. exd5 $14 Qd6 27. dxc6 (27. fxg4 Nxd5 28. h5 a4 $11 )) 26... Kh7 (26... Ra8 $11) 27. fxg4 $16 {Strongly threatening exd5.} dxe4 28. Rxe4 Nd5 29. Rxe6 Nxf4 30. Rxc6 $40 {[%mdl 128] Black is in trouble.} Nd5 31. Bd2 Kg7 (31... e6 $16 {is a better defense.}) 32. h5 $18 {Threatens to win with h6+.} gxh5 33. gxh5 (33. Rf5 $18 e6 34. Rg5+ (34. Rxh5 Rb8 $16) 34... Kh7 35. Rxh5+ Kg7 36. Rg5+ Kh7 37. Rh5+ Kg7 38. Rxh8 Kxh8 39. c4) 33... Rxh5 $14 34. Rg1+ Kh7 $1 35. Rc8 {Black should prevent Rgg8.} Nf6 (35... Rh2 $11 { keeps the balance.} 36. Kc1 e6) 36. Rf8 $16 e6 {[#]} 37. Bxa5 $1 {[%mdl 512]} Rh6 (37... Nd5 $16) 38. Bd8 (38. Bd2 $18 {and White stays clearly on top.} Rh4 39. Rb8) 38... Nd5 39. Rfg8 {[%csl Gg8][%CAl Rg1g7]} (39. Kb2 {is more complex. } f5 40. Rgg8 Rh1 41. Bg5 Rd1 42. Rh8+) 39... f5 $1 40. Kb2 (40. a3 $5) 40... b4 41. R8g2 (41. R8g3 {looks sharper.} Rh5 42. Rf3 f4 43. Rg4 Ra8 44. Bh4) 41... Rh3 42. Ra1 (42. Bg5 {feels hotter.} f4 43. Rg4 f3 44. Rh4+ Rxh4 45. Bxh4 Kh6 46. Bf2) 42... f4 43. a3 (43. Re2 $11) 43... Ne3 $17 44. Rd2 (44. Rf2 $17 bxa3+ 45. Ka2) 44... bxa3+ $19 45. Ka2 Nd5 {[%CAl Rd5c3]} 46. Rf1 Kg6 (46... Ra8 $19 47. Bg5 f3) 47. Rg2+ $2 (47. Ka1 $17) 47... Rg3 48. Rxg3+ (48. Rgf2) 48... fxg3 {[%mdl 4096] Endgame KRB-KRN} 49. Rg1 Nb4+ 50. Ka1 Nxc2+ 51. Ka2 Nb4+ 52. Ka1 Kf5 53. Bb6 Rh7 {Black mates.} 54. Bc5 {[#]} g2 $1 55. d5 {[#]} Rh1 $1 56. d6 {[#]} (56. Rb1 exd5) 56... Kf6 $1 57. Rb1 {[#]} (57. Bxb4 Rxg1+) 57... a2 $1 {[%csl Gh1][%CAl Ra2b1][%mdl 64] Pin} 58. Rg1 {[#]} Kf7 $1 59. Kb2 {[#]} (59. d7 Rxg1+) 59... Ke8 $1 60. Bd4 (60. Ba7 Rxg1) 60... Kd7 61. Rxg2 a1=Q# {Never resign too early! Weighted Error Value: White=0.40/Black=0.12} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.24"] [White "Esplugas Esteve, Vicenc"] [Black "Vlachos, Anatole"] [Result "0-1"] [ECO "B06"] [WhiteElo "2319"] [BlackElo "2413"] [Annotator "TA"] [PlyCount "34"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,34,35,39,45,38,47,58,36,34,23,17,23,22,11,9,-9,-27,-50,-74,-49,-13, -354,-336,-684,-671,-29993,-29994]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 Nd7 5. Qd2 c5 6. Nf3 {B06: Modern Defence.} cxd4 7. Nxd4 Ngf6 8. f3 {White is slightly better.} a6 9. Bh6 Bxh6 10. Qxh6 b5 {[%CAl Bb7b5,Bb5b4][%mdl 32]} 11. a4 b4 12. Nd5 Nxd5 {[#]} 13. Qg7 $146 ({Predecessor:} 13. Nc6 Qb6 14. exd5 Bb7 15. Bd3 Nf6 16. Bc4 Bxc6 17. dxc6 Qd4 18. Bb3 Qe5+ 19. Kf2 Qd4+ 20. Qe3 Qxe3+ 21. Kxe3 Rc8 22. a5 O-O 23. Ra4 Rxc6 {1/2-1/2 (23) Varacalli,F (2285)-Fell,S (2301) Buenos Aires 2018}) 13... Rf8 {[#] aiming for ...N5f6.} 14. exd5 Nf6 15. Nc6 $2 {[%mdl 8192]} (15. O-O-O $11) 15... Qb6 $19 16. Bc4 $2 (16. Bd3 Rg8 17. Qh6 Nxd5 18. Nxe7 Nxe7 19. O-O-O) 16... Qe3+ 17. Kd1 {[#]} Ne4 $1 {[%CAl Re4f2] [%mdl 512] Weighted Error Value: White=1.47/Black=0.03} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.25"] [White "Garcia Jimenez, Francisco Javier"] [Black "Valenzuela Gomez, Fernando"] [Result "1/2-1/2"] [ECO "A13"] [WhiteElo "2288"] [BlackElo "2390"] [Annotator "TA"] [PlyCount "125"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,125,-38,-13,-38,-38,-39,-31,-56,-33,-56,-20,-19,-11,-22,-2,-12,1,-26, 2,0,22,25,22,-49,-27,-39,-39,-42,-52,-39,-30,-90,-15,-75,0,-10,12,0,14,0,44,50, 58,0,56,37,56,65,135,141,140,138,143,95,95,95,115,106,210,211,206,220,173,178, 346,346,314,168,168,168,168,169,170,166,168,167,166,166,167,164,166,166,208, 219,191,114,114,111,101,21,634,518,694,666,576,576,441,114,114,114,172,172,172, 20,20,20,20,20,20,20,20,20,20,20,20,0,0,0]} 1. c4 e6 2. b3 d5 3. Bb2 d4 4. g3 Nc6 5. Bg2 Nf6 6. d3 {A13: English Opening: 1...e6.} e5 7. Nf3 Bc5 8. O-O { Black is slightly better.} O-O {[#]} 9. Ba3 $146 ({Predecessor:} 9. Nbd2 h6 10. Ne1 a5 11. Nc2 Bg4 12. Ba3 Bxa3 13. Nxa3 Qd7 14. Nc2 Rfe8 15. Re1 {0-1 (35) Shahade,G (2476)-Hammer,J (2645) San Francisco 2019}) 9... Bxa3 10. Nxa3 Re8 11. Nc2 Qd6 12. Qd2 a5 13. a3 h6 14. b4 Bf5 15. Nh4 Bh7 16. Rfb1 ({White should try} 16. b5 $11 Nd8 17. f4) 16... g5 {...e4 is the strong threat.} 17. Bxc6 bxc6 18. Nf3 a4 19. h4 g4 20. Nfe1 (20. Nh2 $11) 20... Kg7 (20... Nh5 $1 $17) 21. e4 (21. e3 $11 {remains equal.}) 21... dxe3 (21... Qe6 $17) 22. Nxe3 $11 Rad8 {[%CAl Rh7d3]} 23. Rd1 h5 24. Qc2 Nd7 25. Qxa4 f5 26. Qb3 (26. d4 $14) 26... c5 (26... f4 $11 27. Nf1 Nf8) 27. Qc3 $14 Kg8 28. b5 $1 Nf6 (28... f4 $14 29. Nd5 fxg3 30. fxg3 Nb6) 29. a4 $16 {[%CAl Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} f4 30. Nf1 Nd7 31. a5 Nf8 32. a6 Ne6 33. Nc2 Bxd3 (33... fxg3 $16 34. fxg3 (34. Nxg3 Nf4 $11) 34... Nd4 35. Nxd4 Qxd4+ 36. Qxd4 exd4) 34. Ne1 $18 {[%CAl Rc3d3] } e4 {Hoping for ...Nd4.} 35. Nxd3 exd3 36. a7 {aiming for Qf6.} Nd4 $2 (36... Qd4 {might work better.} 37. Qxd4 Nxd4 38. gxf4 Nf3+ 39. Kg2 Kf7) 37. Qxd3 Qf6 38. Ra6 (38. Kg2 $142) 38... Qxa6 39. bxa6 Nf3+ 40. Kh1 Rxd3 41. Rxd3 {[%mdl 4096] Endgame Black must now prevent Rb3. KRN-KRN} Ra8 42. gxf4 Rxa7 43. Ra3 Kf7 44. Ng3 Nxh4 45. Nxh5 Nf5 46. Ng3 Nd6 47. Ra5 ({White should play} 47. Ra4 $1 $18) 47... Nxc4 $16 48. Rxc5 Nd6 49. Nf5 (49. Ra5 $16) 49... Nxf5 $2 { [%mdl 8192]} (49... Rxa6 $11 50. Rxc7+ Ke6 51. Nd4+ Kd5) 50. Rxf5+ $11 {KR-KR} Ke6 51. Ra5 c5 52. Kg2 c4 53. Kg3 $2 (53. Kf1 $18 {has better winning chances.} Kd6 54. f5) 53... c3 $16 54. Kxg4 c2 {[#]} (54... Kf6 $16 {is a better defense. }) 55. Rc5 $1 $18 Rxa6 {[#]} 56. f5+ $2 ({Don't do} 56. Rxc2 $6 Kf6 $14) (56. Kg5 $1 $18) 56... Kf6 $11 {The position is equal.} 57. Rxc2 Ra4+ $1 58. f4 Ra1 59. Rc6+ Kf7 60. f6 Ra5 61. Rb6 Rc5 62. f5 Rc1 63. Kf4 {Black escapes into a draw. Weighted Error Value: White=0.30/Black=0.30} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.26"] [White "Degardin, Sylvain"] [Black "Yu, Jennifer"] [Result "1/2-1/2"] [ECO "C78"] [WhiteElo "2209"] [BlackElo "2315"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,60,15,15,52,48,43,0,0,0,6,0,0,0,11,0,33,24,31,0,40,-6,14,7,0,7,0,7, 33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 O-O 9. a3 d6 10. Re1 {10.Ne2 deserves study.} Nd4 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 11. Nxd4 exd4 12. Nd5 Nxd5 13. exd5 Qd7 14. Qf3 Bf6 15. Bd2 Rfe8 {[#]} 16. h3 $146 ({Predecessor: } 16. a4 Rxe1+ 17. Bxe1 Re8 18. axb5 axb5 19. Bd2 Ra8 20. Rxa8+ Bxa8 21. Qe2 h6 22. h3 {1/2-1/2 (36) Smirnov,P (2576)-Tutisani,N (2469) Batumi 2018}) 16... Be5 17. Re2 Re7 18. Rae1 Rae8 19. g4 (19. Bg5 $5 {[%CAl Rg5e7]}) 19... c5 20. dxc6 Bxc6 21. Bd5 Bxd5 22. Qxd5 h5 (22... h6 {with more complications.} 23. Kg2 g5 24. Bb4 Kg7 25. c3 dxc3 26. bxc3 Qd8) 23. f4 (23. Qg2 {is more complex.} hxg4 24. hxg4 Bf6 25. Rxe7 Rxe7 26. Kf1) 23... Bxf4 {The position is equal.} 24. Rxe7 Rxe7 25. Rxe7 Qxe7 26. Bxf4 Qe1+ 27. Kg2 Qe2+ {[%mdl 64] [#] Double Attack } 28. Kg1 Qe1+ $1 29. Kg2 Qe2+ {[%mdl 64] Double Attack} 30. Kg1 {Qa8+ is the strong threat.} Qe1+ $1 {Weighted Error Value: White=0.10/Black=0.09} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.27"] [White "Eden, James"] [Black "Csiki, Endre"] [Result "0-1"] [ECO "C55"] [WhiteElo "2323"] [BlackElo "2231"] [Annotator "TA"] [PlyCount "74"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,74,50,30,33,21,37,12,18,8,17,4,0,-1,-9,-56,-76,-113,-116,-113,-108, -111,-63,-96,-100,-99,-103,-91,-90,-96,-64,-70,0,-20,-25,-12,-2,-5,-6,-198, -198,-191,-191,-191,-191,-230,-237,-339,-339,-339,-339,-339,-339,-546,-544, -835,-853,-794,-786,-772,-701,-589,-341,-853,-853,-4627,-4627]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g5 $1 {[%mdl 4] outshines the older 6.. .g6. C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. Re1 Bg7 8. Na3 O-O {The position is equal.} 9. Bb3 d5 10. exd5 Nxd5 {[#]} 11. Nb5 $146 ({Predecessor:} 11. Nc4 Re8 12. Ba4 Nb6 13. Bxc6 bxc6 14. Ncxe5 c5 15. h3 Qd5 16. d4 cxd4 17. cxd4 {1/2-1/2 (53) Souleidis,G (2401)-Hector,J (2479) Germany 2018}) 11... Be6 12. d4 {[#] Threatens to win with c4.} a6 13. c4 axb5 14. cxd5 Bxd5 {aiming for ...e4.} 15. dxe5 Be6 16. Be3 Qxd1 17. Raxd1 Bxb3 ({Much worse is} 17... Nxe5 18. Nxe5 Bxe5 19. Bxg5 $11) 18. axb3 Rfd8 ({But not} 18... Nxe5 $6 19. Nxe5 Bxe5 20. Bxg5 $11) 19. h4 g4 20. Nd4 Nxe5 (20... Nxd4 $15 21. Rxd4 h5) 21. Nxb5 Nd3 $36 {[%mdl 2048] White is under pressure.} 22. Re2 {White wants to play Red2.} Nxb2 23. Rxd8+ Rxd8 24. Nxc7 $2 {This costs White the game.} (24. Rd2 $1 $11 {and White stays safe.} Rxd2 25. Bxd2) 24... Rd1+ $19 25. Kh2 Be5+ 26. g3 Nd3 27. Nd5 {[#]} Ne1 $1 {[%CAl Re1f3]} 28. Rxe1 (28. Ne7+ {is a better defense.} Kh7 29. f4 gxf3 30. Rf2) 28... Rxe1 29. Bxh6 {[%mdl 4096] Endgame KRB-KBN} Bd4 30. Kg2 Rb1 31. Be3 $2 (31. Bf4) 31... Bxe3 32. Nxe3 Rxb3 33. Nxg4 {KR-KN} b5 {[%CAl Bb7b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 34. Kf1 b4 35. Ke2 Rc3 36. Ne5 $2 (36. Nf6+ Kg7 37. Ne4) 36... b3 {( -> ...b2)} 37. Nd3 b2 {Weighted Error Value: White=0.76/Black=0.13} 0-1 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.28"] [White "Papadiamandis, Elliot"] [Black "Toncheva, Nadya"] [Result "1-0"] [ECO "B38"] [WhiteElo "2134"] [BlackElo "2321"] [Annotator "TA"] [PlyCount "245"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,245,48,62,35,108,102,102,75,85,72,75,67,109,99,119,113,114,72,60,12, 7,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,-10,-16,-45,-45,-35,0,0,37,-14,38,0,0,0,0,0, 0,0,0,0,178,156,156,158,530,56,44,15,13,13,13,24,38,38,39,46,202,202,202,194, 215,215,215,215,483,481,449,401,829,779,1189,1189,1189,1189,1171,1172,1187, 1052,29946,5404,29943,12850,29976,29954,29951,29952,29978,29979,29979,29979, 29978,29961,29962,29964,29965,29966,29966,29967,29968,29969,29978,29966,29970, 29971,29978,29954,29954,29955,29955,29956,29956,29952,29991,29975,29975,29976, 29976,29977,29977,29977,29977,29978,29978,29978,29978,29978,29980,29981,29981, 29981,29982,29983,29983,29983,29984,29982,29982,29979,29979,29971,29971,29979, 29979,29978,29979,29978,29980,29979,29981,29980,29982,29971,29983,29984,29987, 29986,29988,29987,29989,29988,29988,29964,29967,0,29970,29974,29974,29975, 29974,29976,29979,29968,29970,29967,29978,29979,29980,29979,29981,29980,29982, 29972,29982,29984,29984,29985,29985,29986,29989,29990,29990,29990,29991,29990, 29991,29992,29992,29992,29993,29994,29994,29995,29995,29996,29996,29995,29997, 29996,29996,29997]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Nc2 Rc8 {10...Qa5 is the hot move.} 11. f3 Ne5 12. Na3 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} a5 ({ Better is} 12... Be6 $14) 13. Rc1 Bc6 {[#]} 14. Nd5 $146 {White is better.} ({ Predecessor:} 14. Qd2 Ned7 15. Rfd1 b6 16. Qe1 Qc7 17. Nd5 Bxd5 18. cxd5 Nc5 19. Nb5 Qb7 20. Bf1 {0-1 (44) Fernandez,J-Remoli Sargues,L (1894) Linares 2007} ) 14... Bxd5 15. cxd5 Rxc1 16. Qxc1 Ned7 17. Qc2 Qa8 18. Rc1 Nc5 19. Bxc5 Rc8 { [%mdl 64] Pin} 20. Qa4 {Hoping for Be3.} Bh6 21. Rc3 Rxc5 22. Rxc5 Be3+ 23. Kf1 Bxc5 24. Nc4 Qf8 {Threatens to win with ...Qh6.} 25. g3 $1 (25. Qxa5 $2 Qh6 $19 ) 25... b6 (25... Qh6 $5 26. Kg2 $8 Qc1 $11) 26. Kg2 h5 27. h4 Qh6 {And now ... b5! would win.} 28. Qc2 Nd7 29. a3 a4 30. f4 (30. Qxa4 b5 $17) 30... Qg7 31. Qd2 $1 ({But not} 31. Qxa4 $2 b5 $19) 31... Bd4 32. Qb4 Nc5 33. Qxb6 ({White should try} 33. Nxb6 $14 Qf6 34. Nxa4 Nxa4 35. Qxa4) 33... Kh7 (33... Nxe4 $11 34. Qb8+ Qf8) 34. Qc7 (34. e5 $5) 34... Qf6 35. e5 Qf5 {( -> ...Qc2!)} 36. Qxe7 Qe4+ 37. Bf3 Qc2+ 38. Kh3 Qf5+ (38... Bg1 $11 39. Qxf7+ Kh6) 39. Kh2 $18 dxe5 40. Nd6 Qd7 (40... Qc2+ $16 {is a better chance.} 41. Kh3 exf4) 41. Qxd7 $2 ({ White must play} 41. Qf8 $18 exf4 42. Nxf7 fxg3+ 43. Kg2) 41... Nxd7 $14 42. fxe5 Nxe5 $18 {[%mdl 4096] Endgame KBN-KBN} 43. Bd1 Bxb2 44. Nb5 Nc4 45. Bxa4 Nxa3 46. Nd6 {Strongly threatening Nb7.} Kg7 $2 {[#] White leaves nothing to chance now.} (46... Bc3 $14) 47. Nb7 $1 Bf6 {If only Black now had time for ... g5....} 48. d6 g5 49. Kh3 gxh4 50. gxh4 Kf8 $2 (50... Nc4 {was necessary.} 51. d7 Nb6) 51. d7 Nc4 52. Bd1 Ne3 (52... Ne5 $142 53. d8=Q+ (53. Bxh5 Nxd7 54. Be2 Bxh4 $11) 53... Bxd8 54. Nxd8 f5) 53. Bxh5 Nf5 54. d8=Q+ Bxd8 55. Nxd8 Nh6 56. Kg3 Ke7 57. Nc6+ Kd6 {[#]} 58. Bf3 (58. Kf4 $142 $1 f6 (58... Ng8 59. Bxf7) 59. Bf3 Ke6 60. h5 Kd6 61. Nd4 Kc5 62. Nf5 Nf7 63. Ne3) 58... Ke6 59. Kf4 f6 60. h5 Kd6 61. Nd4 Ke7 62. Bd5 Kf8 63. Be6 Kg7 64. Ke4 Kf8 65. Kd5 Ke7 66. Nc6+ Ke8 67. Kd6 Kf8 68. Nd4 Ke8 69. Bd7+ Kf7 70. Bf5 Kf8 71. Ke6 Kg7 72. Bb1 Ng8 73. Nf5+ Kh7 74. Bc2 Kh8 75. Kf7 Kh7 76. Ne7+ Kh6 77. Nxg8+ Kxh5 78. Nxf6+ Kg5 79. Ke6 Kf4 80. Bf5 Ke3 81. Ke5 Kd2 82. Kd4 Kc1 83. Kc3 Kd1 84. Bd3 Ke1 85. Ne4 Kd1 86. Bc4 Kc1 87. Nf2 Kb1 88. Nd3 Ka1 89. Be6 Kb1 90. Bf5 Ka1 91. Ne1 Ka2 92. Nc2 Kb1 93. Be6 Kc1 94. Ba2 Kd1 95. Nd4 Kc1 96. Ne2+ Kd1 97. Kd3 Ke1 98. Bb3 Kf2 99. Kd2 Kf3 100. Kd3 $2 (100. Bc2 {mates} Kg4 101. Ke3 Kg5 102. Nf4 Kh6 103. Kd4 Kg7 104. Ke5 Kh8 105. Kf6) 100... Kg4 $2 {[%mdl 8192]} (100... Kf2 $11 101. Bd5 Kf1 102. Ke3 Ke1 103. Bb3 Kf1 104. Nf4 Ke1 105. Ng2+ Kf1) 101. Ke4 { White mates.} Kg5 102. Ke5 Kg6 103. Be6 Kg5 104. Nd4 Kg6 105. Nf5 Kh7 106. Kf6 Kh8 107. Ne7 Kh7 108. Ng6 Kh6 109. Bg8 Kh5 110. Ne5 Kh4 111. Kf5 Kg3 112. Ng4 Kh4 113. Kf4 Kh5 114. Bf7+ Kh4 115. Bg6 Kh3 116. Ne3 Kh4 117. Ng2+ Kh3 118. Kf3 Kh2 119. Nf4 Kg1 120. Bd3 Kh2 121. Kf2 Kh1 122. Bf1 Kh2 123. Nd3 {Weighted Error Value: White=0.23/Black=0.91} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.29"] [White "Silva, Pedro Gil Ferreira D"] [Black "Siebrecht, Sebastian"] [Result "1-0"] [ECO "B43"] [WhiteElo "2056"] [BlackElo "2429"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,61,23,13,28,4,0,20,12,10,12,12,1,-21,-4,-12,0,-3,0,0,0,0,0,-5,0,0,18, 8,115,113,120,125,131,125,272,267,256,285,334,332,388,406,944,590,608,608, 29992,29993,29993,29994]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Nc6 8. O-O h5 {8...Nxd4 is setting a new trend. B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 9. Re1 Nxd4 10. Qxd4 {Bf4 is the strong threat.} Bc5 {The position is equal.} 11. Qd3 Ng4 12. Nd1 h4 {[#]} 13. Qf3 $146 ({Predecessor:} 13. Qc3 f6 14. Ne3 Ne5 15. Bd2 a5 16. Rad1 b5 17. a3 b4 18. axb4 axb4 19. Qb3 hxg3 20. hxg3 {0-1 (33) Lu,S (2556)-Wang,C (2513) China 2014}) 13... Ne5 {[%CAl Re5f3]} 14. Qc3 hxg3 15. hxg3 Bb6 16. Qxc7 Bxc7 17. a4 d6 18. b3 Ke7 19. Ne3 Bb6 20. Ba3 {White wants to play Rad1.} Bd7 (20... g5 $1 $11) 21. Rad1 $16 Bc5 22. Bxc5 dxc5 23. f4 Ng6 {[#] A mistake that costs the game.} (23... Nc6 $16) 24. Nf5+ $1 $18 {[%mdl 576] Double Attack} Kd8 ( 24... Ke8 25. Nd6+) 25. Nd6 {[%mdl 64] Double Attack} ({Stronger than} 25. Nxg7 Kc7 $11) 25... Kc7 26. e5 ({Much less strong is} 26. Nxf7 Rhf8 $18) 26... Raf8 27. Nxb7 c4 (27... Bc8 $142 28. Nxc5 Rd8) 28. Nc5 Bc8 29. Rd6 cxb3 30. Rc6+ Kb8 31. Rb1 {Weighted Error Value: White=0.20/Black=0.48} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.30"] [White "Cano Sevilla, Ivan"] [Black "Le Pen, Steven"] [Result "1/2-1/2"] [ECO "A45"] [WhiteElo "2026"] [BlackElo "2141"] [Annotator "TA"] [PlyCount "39"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,39,0,24,0,0,0,20,-1,-3,0,0,0,0,-13,0,0,8,9,16,19,18,21,10,10,19,0,0,0, 0,0,0,0]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. Be2 c6 6. h4 {A45: Trompowsky Attack.} h5 {The position is equal.} 7. Nf3 Bg4 8. Ng5 Bxe2 9. Qxe2 {[#]} Nbd7 $146 ({Predecessor:} 9... O-O 10. O-O-O b5 11. e4 b4 12. Nb1 dxe4 13. Nxe4 Nbd7 14. Nbd2 Nd5 15. Bh2 Qb6 {0-1 (48) Sethuraman,S (2647)-Thybo,J (2352) Hastings 2016}) 10. e4 dxe4 11. Ngxe4 Nxe4 12. Nxe4 Qa5+ 13. c3 O-O 14. O-O Qf5 15. Bg5 Rfe8 16. Rfe1 Nf6 17. Rad1 Nxe4 18. Qxe4 Qxe4 19. Rxe4 e6 20. Rde1 {A rather calm draw. Weighted Error Value: White=0.09/Black=0.04} 1/2-1/2 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.31"] [White "Roque, Gaetan"] [Black "Follana Albelda, Lucia"] [Result "1-0"] [ECO "E92"] [WhiteElo "2132"] [BlackElo "1884"] [Annotator "TA"] [PlyCount "92"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 27,92,-4,-3,-12,-12,-12,-12,-18,-12,-15,0,0,10,10,9,-17,0,-45,-9,-28,0, 0,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,-37,-35,-181,-164,-233,-221,-307,-279,-321, -288,-278,-293,-307,-296,-363,-345,-577,-643,-934,-925,-941,-797,-829,-819, -813,-813,-806,-791,-691,-685]} 1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nd7 {[%CAl Bb8d7,Bd7c5,Bc5e6,Be6f4][%mdl 32]} 14. Nd2 Nc5 15. Ke2 {E92: King's Indian: Classical: 6 Be2 e5:7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} Ne6 16. Be3 Nf4+ 17. Bxf4 {The position is equal.} exf4 18. Rac1 Re7 {[#]} 19. Rc2 $146 ({Predecessor:} 19. b3 Bg4+ 20. f3 Bd7 21. Nc4 Bb5 22. a4 Bxc4+ 23. Rxc4 Rd8 24. Rd1 Kf8 25. Rdc1 {1-0 (63) Skarba,S (2372)-Pohranc,R (2271) Slovakia 2003}) 19... Be6 (19... Bd7 {keeps more tension.} 20. Kf3 Rd8 21. Nc4 b6 22. Kxf4 Bf5) 20. Bxe6 Rxe6 21. Rc7 Ra6 22. a3 b5 23. Rb7 Rb6 24. Rxb6 axb6 $11 {[%mdl 4096] Endgame KRB-KRN} 25. Rb1 b4 26. axb4 Ra4 27. b3 Rxb4 28. Rc1 Bh6 29. f3 Bf8 30. Rc8 Kg7 31. Kd3 Rb5 32. Kc3 Rg5 33. Nc4 {This move loses the game for White.} (33. Rc7 $1 $15) 33... b5 $19 { [%CAl Bb6b5,Bb5b4][%mdl 32]} 34. Nb6 (34. h4 $142 Rxg2 35. Ne5) 34... Rxg2 35. Nd7 Be7 36. Rb8 b4+ ({Don't do} 36... Rxh2 37. Rb7 $19) 37. Kc4 Rc2+ 38. Kb5 Rc3 39. Re8 Bh4 ({Worse is} 39... Rxf3 40. Rxe7 Rxb3 41. Kc4 $11) 40. Kxb4 $2 { [#]} (40. Ne5 Bf6 41. Kxb4 Bxe5 42. Rxe5 Rxf3 43. Ra5) 40... Rxf3 {Black is clearly winning.} 41. Ne5 Re3 42. Nc4 Rd3 {aiming for ...f3.} 43. Nb2 Be1+ 44. Kc4 Rc3+ 45. Kd4 Rxb3 46. Nd3 {[#]} f3 $1 {[%mdl 32768] Weighted Error Value: White=0.38/Black=0.11. Loss on time!?} 1-0 [Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "10.32"] [White "Pozanco Romasanta, Marc"] [Black "Donate Moreno, Silvia"] [Result "1-0"] [ECO "E73"] [WhiteElo "2116"] [BlackElo "1957"] [Annotator "TA"] [PlyCount "171"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,170,45,66,41,63,79,83,-16,154,131,152,138,134,141,147,143,143,118, 119,125,122,103,103,102,135,110,114,102,102,101,102,97,100,93,104,102,102,82, 102,94,113,81,134,60,72,55,56,37,37,37,37,37,37,0,0,0,37,37,41,39,113,104,111, 72,128,121,377,379,389,379,362,359,409,347,505,506,475,480,486,493,494,487,454, 436,273,70,85,0,851,837,779,728,1352,1365,1163,1119,6033,4451,2222,2173,29987, 29988,29989,12843,12843,12843,12844,12844,12844,12844,12845,12839,12839,12839, 12836,12841,12841,12842,12841,1304,12845,12845,12848,12848,12849,12848,12849, 12849,12850,27999,27999,27999,27999,27999,27992,27992,27993,27993,27994,27994, 27995,27994,27995,27995,27996,27996,27997,27997,27998,27998,27999,27999,29999] } 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Qd2 e5 8. d5 Nc5 9. f3 a5 10. h4 c6 11. h5 {E73: King's Indian: Averbakh Variation without 6...c5.} cxd5 12. Nxd5 {[#]} Ne6 $146 ({Predecessor:} 12... Be6 13. h6 Bh8 14. Nh3 Bxd5 15. cxd5 Qb6 16. Be3 Nfd7 17. Rc1 Qb4 18. O-O Qxd2 19. Bxd2 {1-0 (32) Garcia Rosales,J (1848)-Moore,G (2145) ICCF email 2013}) 13. Bh6 ({White should play} 13. h6 $16 Bh8 14. Bh4) 13... Nf4 $2 ({Black should try} 13... Nxh5 $11 14. O-O-O Nef4 15. Bxg7 Kxg7) 14. Bxg7 $16 Kxg7 15. h6+ Kg8 16. Nxf4 exf4 17. Qxf4 Qe7 18. Rd1 Qe5 19. Qxe5 dxe5 20. g4 Be6 21. Nh3 Rfd8 22. Ng5 Nd7 23. Nxe6 fxe6 24. Kf2 Nc5 25. Ke3 Kf7 26. g5 Ke7 27. Rxd8 Rxd8 {[%mdl 4096] Endgame KRB-KRN} 28. Rd1 Rf8 29. b3 Rf4 30. Rh1 b6 (30... Kd6 $142) 31. Kd2 ( 31. a3 $16) 31... Nb7 32. Kc3 Nd8 33. b4 axb4+ 34. Kxb4 {aiming for Kb5.} Nc6+ 35. Kc3 Nd4 36. Rh2 Kd6 37. Kb4 Kc6 38. Bd1 Kc7 39. c5 Rf8 (39... b5 $1 $14) 40. cxb6+ Kxb6 41. a4 Nc6+ (41... Rc8 $142) 42. Kc3 Nd8 $2 {[%mdl 8192]} (42... Rd8 $16) 43. Rb2+ $18 Ka7 44. Rb5 Nf7 45. Rc5 Kb7 46. Be2 Re8 (46... Nxg5 { was worth a try.} 47. Rxe5 Nxf3 48. Rxe6 Ng5) 47. a5 Re7 48. Kb4 Nxg5 49. Rxe5 Nf7 50. Rb5+ Ka7 51. Bc4 Nxh6 {If Black can now play ...Nf7 this consolidates a bit.} 52. Re5 $2 (52. Rb6 $18 Nf7 53. f4 (53. Rxe6 Rxe6 54. Bxe6 Ng5 $14)) 52... Nf7 $1 $14 {[%CAl Rf7e5] [#]} 53. Rxe6 (53. Rc5 $1 $16) 53... Rc7 $2 { [%mdl 8192] Black is on the road to losing.} (53... Rxe6 $11 54. Bxe6 Ng5) 54. Ra6+ $18 Kb7 55. Kb5 Ne5 56. Bd5+ Kc8 57. f4 Nd3 58. Bc6 {[%CAl Ra6a8] [#]} Kd8 59. Ra8+ Rc8 60. Rxc8+ Kxc8 {KB-KN} 61. f5 (61. a6 $142 Nxf4 62. a7 Kd8 63. a8=Q+ Ke7 64. Qe8+ Kf6 65. Qd8+ Ke5 66. Qc7+ Kd4 67. Qxf4) 61... Ne5 62. a6 { White wants to mate with a7.} Kb8 63. Kb6 {Threatening mate with a7+.} Nc4+ 64. Kc5 Ne5 65. Kd5 Ng4 66. Ke6 gxf5 67. Kxf5 Ne3+ 68. Kg5 Ka7 69. Bb5 (69. Bb7 $142 Nc4 70. Kf6) 69... Kb6 70. Bd3 Kc7 71. e5 h6+ 72. Kg6 Ng4 73. e6 Ne5+ 74. Kxh6 Nxd3 {KN-KPP. White mates.} 75. a7 Kb7 76. e7 Kxa7 77. e8=Q Nc5 78. Qb5 Nb7 79. Kg6 Kb8 80. Qb6 Kc8 81. Kf7 Nd8+ 82. Ke8 Nb7 83. Ke7 Kb8 84. Kd7 Ka8 85. Kc7 Nc5 86. Qb8# {Weighted Error Value: White=0.26/Black=0.46} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.1"] [White "Korobov, Anton"] [Black "Grigoryan, Karen H."] [Result "1-0"] [ECO "E54"] [WhiteElo "2683"] [BlackElo "2659"] [Annotator "TA"] [PlyCount "123"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,123,12,0,0,0,0,-7,0,-8,0,-29,0,0,18,0,6,0,0,0,28,14,23,14,27,29,63,0, 0,-6,0,0,3,-14,285,291,275,265,271,170,181,152,152,155,145,110,116,75,142,113, 121,121,302,302,301,300,300,300,428,300,359,300,491,491,491,491,469,455,454, 139,242,167,175,175,167,167,322,297,436,424,408,333,547,352,361,214,715,685, 1831,1860,1736,1657,6852,7449,854,791,29984,29982,29982,29983,29987,29988, 29988,29986]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 cxd4 9. exd4 b6 10. Bg5 Bb7 11. Rc1 Nbd7 12. Re1 h6 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4.} 13. Bh4 Rc8 14. Bd3 Be7 {The position is equal.} 15. Bb1 Re8 16. Bg3 {[#]} Nf8 $146 ({Predecessor:} 16... Nh5 17. Qd3 Nf8 18. Ne5 Nxg3 19. hxg3 Bb4 20. a3 Bxc3 21. bxc3 Qd5 22. Qf1 Qb3 {0-1 (40) Vargas,R-Diaz,H (2014) ICCF email 2016}) 17. Ne5 a6 18. Qd3 b5 19. Rcd1 b4 20. Na4 Qd5 {[%csl Gb7][%CAl Rd5g2] [#]} 21. f3 {Hoping for Nb6. } Qa5 22. b3 Nd5 23. Rc1 Qb5 24. Qxb5 (24. Qd2 $14) 24... axb5 $11 25. Nc5 Ba8 26. Bd3 Nc3 27. a3 Rcd8 $2 {[%mdl 8192]} (27... Red8 $1 $11) 28. axb4 $18 Na2 29. Bxb5 Nxc1 30. Rxc1 Bg5 31. f4 Bf6 32. Bxe8 Rxe8 33. Ra1 Bd5 34. Ra7 Rb8 ({ Black should try} 34... Ng6) 35. Be1 (35. Nxf7 Rxb4 36. Ne5 Rxd4 $11) 35... Ng6 36. g3 ({Reject} 36. Nxf7 $6 Bxd4+ 37. Bf2 Nxf4 $11) 36... Rb6 $2 (36... Ne7 $16 37. Ncd7 Bxe5 38. dxe5 Rc8) 37. Ncd7 Rb7 38. Rxb7 Bxb7 39. b5 {[%CAl Bb4b5, Bb5b6][%mdl 32]} Bd8 (39... Nxe5 $142 40. fxe5 (40. dxe5 Bd8 $18) 40... Bd8) 40. b6 Bd5 41. Ba5 Be7 $2 (41... Nxe5 42. fxe5 (42. dxe5 Be7 $18) 42... Bxb6) 42. Nxg6 fxg6 {[%mdl 4096] Endgame KBB-KBN} 43. Nc5 Kf7 44. b4 Bc6 45. Nd3 $2 ( 45. b7 $18 {and White stays clearly on top.} Bd6 46. Bb6) 45... Ke8 (45... Bf6 $16 46. Ne5+ Bxe5 47. dxe5 Ke8) 46. Ne5 Be4 47. b5 {[#] Nc6 is the strong threat.} Bb7 48. Nxg6 Ba3 $2 (48... Bf6 {was necessary.} 49. Ne5 Kd8) 49. Kf2 Kd7 (49... Bd6 {was worth a try.} 50. Ke3 Kd7 51. Ne5+ Bxe5) 50. Ne5+ Kc8 51. Nd3 Bd5 $2 (51... Be7 {keeps fighting.} 52. Nc5 Bd5) 52. Nc5 Bc4 53. Ke3 Kb8 $2 (53... Bxc5 54. dxc5 Bxb5) 54. Ke4 g5 55. fxg5 hxg5 56. Bd2 Bxb5 57. Bxg5 { White threatens Bf4+ and mate.} Bc6+ 58. Ke5 Bb2 59. Bf4 {White mates.} Kc8 60. h4 Bc3 61. h5 Ba5 62. b7+ {[%mdl 64] Promotion. Weighted Error Value: White=0. 28/Black=0.62} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.1"] [White "Moussard, Jules"] [Black "Nevednichy, Vladislav"] [Result "1/2-1/2"] [ECO "C41"] [WhiteElo "2626"] [BlackElo "2546"] [Annotator "TA"] [PlyCount "152"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,151,50,14,12,11,12,12,17,14,42,9,14,0,17,0,30,0,54,-24,-8,-8,-6,-32, 0,-39,-28,-43,-18,-55,-51,-42,-40,-183,-46,-116,-89,-91,-108,-87,-83,-92,-31, -80,0,0,0,0,9,-154,10,11,87,96,97,35,103,0,90,-6,44,45,38,24,13,23,55,0,24, -120,-127,-156,-120,-143,-145,-164,-132,-231,-227,-242,-242,-228,-225,-224, -216,-211,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-95,-8,-95,-8,-59,-33, -59,-59,-66,-66,-66,-66,-104,-104,-104,-104,-104,0,0,0,-104,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 Qc7 10. b3 exd4 {C41: Philidor Defence.} 11. Nxd4 Ne5 12. Bf1 Re8 13. Bf4 Qb6 14. Kh1 Bd7 15. Qd2 Rad8 16. Rad1 Bc8 17. Bh2 {[#]} Bf8 $146 (17... Ng6 $1 $11) ({Predecessor:} 17... h6 18. Qe3 Bf8 19. f4 Ng6 20. Qf3 Nh4 21. Qg3 Ng6 22. Qf3 Qb4 23. g3 Qb6 {0-1 (56) Mas,H (2413)-Bitoon,R (2504) Kuala Lumpur 2011}) 18. Nf5 (18. f4 $14) 18... Bxf5 $11 19. exf5 Ned7 20. Rxe8 Nxe8 21. Re1 d5 {Threatens to win with ...Bb4.} 22. Nd1 Nef6 23. f3 Bb4 24. c3 Bf8 25. g4 (25. Qb2 $1 $15) 25... h6 (25... Qxb3 $19 26. Qb2 Nc5 27. Qxb3 Nxb3) 26. h4 (26. Qb2 $1 $15) 26... Qxb3 27. g5 Qxa4 {White must now prevent ...Nh5.} 28. gxf6 Nxf6 ({Of course not} 28... Qxh4 $6 29. fxg7 Bxg7 30. Be2 $11) 29. Bg3 Bd6 (29... Nh5 $17 30. Kg2 Nxg3 31. Kxg3 Qa3) 30. Bf2 b5 ( 30... Re8 $17 31. Rxe8+ Nxe8) 31. Bd4 {Hoping for Bxb5!} Nh5 32. f6 $1 { [%CAl Rf6g7]} Bf4 33. Qd3 (33. Ne3 $11) 33... c5 $2 ({And not} 33... Nxf6 34. Bxf6 gxf6 35. Nb2 $11) ({Stronger than} 33... gxf6 34. Bh3 $14) (33... Bg3 $1 $17 {[%CAl Rg3e1]} 34. Nb2 Qa3) 34. Bxc5 Bg3 {[#]} (34... Be5 $11 {remains equal.} 35. Bd4 (35. Rxe5 $2 Qxh4+ {[%mdl 64] Double Attack} 36. Kg1 Qg3+ { [%mdl 64] Double Attack} 37. Kh1 Qxe5 $19) 35... Bxd4 36. cxd4 Nxf6) 35. Re4 $1 $16 {[%CAl Re4a4][%mdl 64] Pin} Qa2 {[%csl Gg3][%CAl Ra2h2] [#]} 36. Re2 (36. Qe2 $1 $16 Qxe2 37. Rxe2) 36... Qa4 ({Black should try} 36... Qc4 $14 37. Qxc4 dxc4) 37. Re4 Qa2 {[%csl Gg3][%CAl Ra2h2] [#]} 38. Bg1 Nxf6 (38... Bxh4 { keeps more tension.} 39. Rg4 Ng3+ 40. Rxg3 Bxg3 41. Ne3 Qa4) 39. Re2 Qc4 40. Qxc4 dxc4 41. Ne3 Bxh4 42. Ra2 (42. Rb2 $14) 42... a4 43. Nxc4 (43. Rb2 $1 $11) 43... bxc4 $17 44. Rxa4 Nd5 45. Rxc4 Bf6 46. Bd4 Rb8 47. Bd3 (47. Bxf6 $17 Nxf6 48. Rc6) 47... Bxd4 $19 48. Rxd4 Nxc3 {[%mdl 4096] Endgame KRB-KRN} 49. Rd7 Na4 50. Bc4 Rf8 51. Rc7 {[#]} Nb6 (51... Nb2 $1 $19 {has better winning chances.} 52. Ba6 Ra8) 52. Bb3 $17 {[#]} Nc8 $1 53. Bxf7+ Rxf7 54. Rxc8+ {KR-KR} Rf8 55. Rc3 Kh7 56. Kg2 Kg6 57. Kg3 Kh5 (57... Re8 $17) 58. Rc1 (58. Rc5+ $11 {keeps the balance.} Kg6 59. Kg4) 58... g5 (58... Kg5 $17) 59. Rh1+ Kg6 60. Rf1 Rf4 61. Rc1 h5 62. Rc6+ Rf6 63. Rc3 h4+ 64. Kg2 Kh5 65. Rc8 Rb6 ({Black should play } 65... Rf4 $17 66. Rh8+ Kg6) 66. Rh8+ $11 Kg6 67. Rg8+ (67. f4 $1 $11) 67... Kh6 (67... Kf5 $17 68. Kh3 Rb1 69. Rf8+ Ke6 70. Re8+ Kf7) 68. f4 $1 {The position is equal.} Rb2+ 69. Kf3 Rb3+ 70. Kf2 gxf4 71. Rg4 h3 (71... Kh5 { is more complex.} 72. Rxf4 Rg3 73. Rf3 Rg4 74. Rf8 Rg6) 72. Rxf4 Kg5 73. Rf8 h2 74. Kg2 Rb2+ 75. Kh1 Kg4 76. Rf4+ Kxf4 {White happily takes the draw. Weighted Error Value: White=0.35/Black=0.30} 1/2-1/2 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.1"] [White "Fier, Alexandr"] [Black "Santos Latasa, Jaime"] [Result "0-1"] [ECO "C80"] [WhiteElo "2558"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "142"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,142,0,5,0,0,0,0,0,0,0,0,-73,-77,-108,-43,-45,-26,-57,0,0,10,4,14,11, 25,25,77,66,69,69,70,72,64,46,44,43,108,92,87,99,89,73,107,95,136,97,135,128, 142,23,3,22,55,55,62,0,0,0,0,0,0,6,6,6,13,0,0,0,0,-1110,-997,-1034,-1011,-1000, -409,-408,-408,-394,-308,-952,-898,-936,-853,-1522,-1396,-1177,-1158,-1129, -1058,-963,-838,-1492,-1470,-1710,-1639,-29978,-3579,-2327,-2105,-2578,-2145, -29974,-29975,-29981,-29981,-29983,-29984,-29984,-29985,-29984,-29981,-29988, -29989,-29990,-29991,-29991,-29992,-29994,-29995,-29995,-29996,-29997,-29998, -29998,-29997,-29997,-29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 b4 9. dxe5 Be6 10. Nbd2 {Black should prevent Nxe4. C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} Be7 11. Nxe4 dxe4 12. Bxe6 { The position is equal.} Qxd1 13. Rxd1 {And now Bd7+ would win.} fxe6 {[#]} 14. Nd2 $146 (14. Ng5 $11) ({Predecessor:} 14. Ng5 Bxg5 15. Bxg5 Nxe5 16. Re1 Nf7 17. Bf4 Nd6 18. Bxd6 cxd6 19. Rxe4 Kd7 20. Rxb4 {1-0 (77) Droin,A (2313)-Kusa, J (2177) chess.com INT 2020}) 14... O-O-O $17 15. Rf1 {[#]} e3 ({Much worse is } 15... Nxe5 $6 16. Nxe4 Nc6 17. c3 $14) ({Black should try} 15... Nd4 $1 $17 { [%CAl Rd4e2]} 16. Nxe4 Nxc2) 16. fxe3 $15 Nxe5 17. Ne4 Rhf8 ({Black should play } 17... Nd7 $15) 18. b3 $1 $11 g6 (18... Ng4 {seems wilder.} 19. h3 Rxf1+ 20. Kxf1 Nf6 21. Nf2 Nh5) 19. Bb2 Ng4 20. Rxf8 Bxf8 21. Re1 Bh6 (21... Be7 $11) 22. Bd4 $16 {Strongly threatening h3.} e5 23. Bc5 {Black must now prevent h3.} Bf8 24. h3 {Threatens to win with Bxf8.} Nf6 25. Nxf6 (25. Bxf8 {is interesting.} Rxf8 26. Rf1 Nd7 27. Rd1 Rf5 28. Rd3) 25... Bxc5 $14 {[%mdl 4096] Endgame KRB-KRN} 26. Ne4 Bb6 (26... Be7 $14) 27. Kf2 $16 Rf8+ {[#]} 28. Ke2 $1 Kd7 29. Rd1+ Ke7 30. a5 Ba7 31. g4 h6 32. h4 Ke6 33. Rh1 (33. h5 $16) 33... Kd5 $11 34. Nd2 e4 35. h5 g5 36. Rf1 ({Better is} 36. Rc1 $14) 36... Rxf1 37. Nxf1 {KB-KN} Bc5 38. Ng3 Bf8 39. Nf5 c5 40. Kd2 c4 41. bxc4+ Kxc4 42. Nd4 Bg7 43. Ne6 { [%mdl 8192] Black keeps a firm grip on the game.} (43. Nf5 $11 Bf8 44. Nd4) 43... Bc3+ $19 44. Kd1 Kb5 45. Nd8 Kxa5 46. Nf7 Bg7 47. Nd6 Kb6 48. Nxe4 $2 ( 48. Nf5 Bb2 49. Nd6) 48... Kc6 49. Kc1 Be5 50. Nf2 a5 {[%CAl Ba6a5,Ba5a4][%mdl 32]} 51. Nd3 Kd5 52. Kb1 Bd6 53. Nb2 Ke4 54. Nc4 Bc7 55. Kb2 a4 56. c3 bxc3+ ( 56... Kd3 $142 57. Na3 bxa3+ 58. Kxa3 Kxe3 59. Ka2 Bd6 60. Kb1 Kd3 61. Kb2 Kc4 62. Kc2 a3 63. Kb1 Kxc3 64. Kc1 a2 65. Kd1 a1=Q+ 66. Ke2 Bg3 67. Kf3 Qe1 68. Kg2 Qf2+ 69. Kh3 Qh2#) 57. Kxc3 Kf3 58. Kb4 Kxg4 59. Kxa4 Kf3 {Black mates.} 60. e4 g4 61. e5 g3 62. e6 Bd8 63. Ne5+ Ke4 64. Nf7 Be7 65. Kb5 g2 66. Kc6 g1=Q 67. Kd7 Qc5 68. Nh8 Qd6+ 69. Ke8 Qxe6 70. Ng6 Bg5+ 71. Kf8 Qg4 {Weighted Error Value: White=0.90/Black=0.25} 0-1 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.2"] [White "Grigoryan, Karen H."] [Black "Korobov, Anton"] [Result "0-1"] [ECO "E36"] [WhiteElo "2659"] [BlackElo "2683"] [Annotator "TA"] [PlyCount "86"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,86,22,8,0,18,-14,12,0,0,0,0,-11,13,14,34,39,134,116,133,135,293,275, 290,0,0,0,0,0,0,0,0,-4,0,0,0,0,0,-9,-6,-9,-12,-36,-1,-101,-4,-6,0,-1,0,0,0,-1, 0,0,3,0,0,-8,-8,-8,-8,-202,-191,-1464,-1387,-1571,-1542,-12797,-12777,-12797, -12797,-6095,-5102]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} Ba6 10. Qc2 c5 {is the legacy move (10...Nbd7).} 11. dxc5 {The position is equal.} bxc5 12. Qxc5 Nbd7 13. Qd4 Qb8 14. g3 Rc8 15. Bg2 Rc2 (15... Nd5 $14 ) 16. O-O $16 Bxe2 {[#]} 17. Rfc1 $146 ({Predecessor:} 17. Rfe1 Nd5 18. Nd2 Bb5 19. a4 Bc6 20. Rac1 Rxc1 21. Rxc1 Bb7 22. Nc4 N5b6 23. Nxb6 Nxb6 24. Bf4 { 1-0 (24) Hoang,T (2408)-Sachdev,T (2391) Ashkhabad 2017}) 17... Rxb2 (17... Rxc1+ $16 {was worth a try.} 18. Rxc1 Nd5) 18. Bxf6 $18 Nxf6 {[#]} 19. Ne5 $2 ( 19. Ng5 $1 $18) 19... Nd5 $1 $11 20. Bxd5 exd5 21. Qxd5 Qb7 22. Qxb7 Rxb7 23. Rc2 Bh5 24. Rac1 {Threatening mate with Rc8+.} Re8 25. Rc8 {[%CAl Rc8e8]} (25. Rc7 {feels hotter.} Rxc7 26. Rxc7 f6 27. Nc6 Bf3 28. Kf1) 25... f6 26. Nd3 Rxc8 27. Rxc8+ {[%mdl 4096] Endgame KRB-KRN} Kf7 28. Kg2 Bg4 29. Rc6 {[#]} (29. Rc3 $11 {remains equal.}) 29... Bd7 ({Better is} 29... Rb3 $1 $17 {[%CAl Rb3d3]} 30. Rc7+ Kg8) 30. Rc3 Be6 31. Kf3 Rb3 32. Rxb3 Bxb3 {KB-KN} 33. Ke3 g5 34. Kd4 h5 35. Kc5 Ke6 36. Kc6 {Threatens to win with Nc5+.} Kf5 37. Nc5 Bd1 38. h3 $2 (38. Kd6 $11 {and White stays safe.}) 38... h4 39. Kb5 $2 (39. Kd5) 39... Be2+ $19 {Black is clearly winning.} 40. Kc6 Bf1 41. gxh4 gxh4 42. Kb7 Bxh3 43. Kxa7 Bg2 {What a bad dream for White. Weighted Error Value: White=0.74/Black=0.21} 0-1 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.2"] [White "Santos Latasa, Jaime"] [Black "Fier, Alexandr"] [Result "1-0"] [ECO "B04"] [WhiteElo "2600"] [BlackElo "2558"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,73,46,41,12,34,7,17,11,31,18,27,28,41,32,107,106,117,97,108,72,67,76, 85,43,74,67,65,81,61,77,68,62,93,12,33,18,14,4,240,191,208,212,511,512,757,713, 701,585,593,585,579,502,747,707,1152,1136,2158,1111,1054,1018,2075,1991,29998, 29999]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. Be2 g6 6. O-O Bg7 7. h3 { B04: Alekhine's Defence: 4 Nf3.} O-O 8. Re1 $5 {[%mdl 4] A promising side line. } Nc6 {[%CAl Rd6e5]} 9. exd6 {The position is equal.} cxd6 {[#]} 10. d5 $146 ({ Predecessor:} 10. Bg5 f6 11. Be3 e5 12. Nc3 Qe7 13. dxe5 dxe5 14. Bxb6 axb6 15. Nd5 Qd8 16. Bc4 Kh8 17. Qe2 f5 18. c3 {1/2-1/2 (18) Etchegaray,P (2270) -Lahilhanne,P (2090) Montpellier 1991}) 10... Nb4 11. c4 $1 Bf5 12. Na3 Rc8 { [#]} (12... Re8 $14) 13. Nd4 $1 $16 Bd7 14. Be3 Na4 15. Qd2 a5 16. Nb1 f5 17. f4 Na6 18. b3 N4c5 19. Nc3 a4 20. Rab1 axb3 21. axb3 Nb4 22. Nd1 (22. Ncb5 $16 Nba6 23. Nc3) 22... Qa5 23. Nf2 {[%CAl Bd1f2,Bf2d3,Bd3b2][%mdl 32]} Ra8 24. Kh2 Nca6 $2 {This costs Black the game.} (24... Rfe8 $11) 25. Nd3 {Hoping for Ra1.} Qa2 {[#] aiming for ...Qxd2.} 26. Nb2 $1 {Ra1 is the strong threat.} ({ Inferior is} 26. Nxb4 Qxd2 27. Bxd2 Bxd4 $11) 26... Bxd4 $2 (26... Qa5 27. Nc2 Qa2) 27. Bxd4 $18 ({And not} 27. Qxd4 Nc2 $11) 27... Qxb3 {intending ...Qc2.} 28. Bd1 Qa2 29. Rxe7 {White wants to mate with Rg7+.} Rf7 30. Rxf7 Kxf7 31. Rc1 Re8 32. Bc3 {And now Qd4 would win.} Qa3 33. Qd4 {[%csl Gc3][%CAl Rd4g7]} Rf8 34. Qf6+ Ke8 35. Qxd6 {Black must now prevent Ba4!} Rf7 {[#]} 36. Ba4 $1 { [%mdl 512] Intending Re1+ and mate.} Bxa4 (36... Nc2 37. Re1+) 37. Re1+ { Weighted Error Value: White=0.21/Black=0.77} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "1.2"] [White "Nevednichy, Vladislav"] [Black "Moussard, Jules"] [Result "0-1"] [ECO "B90"] [WhiteElo "2546"] [BlackElo "2626"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,80,16,14,31,29,33,-4,0,0,0,-78,-77,-77,-77,-66,-77,-100,-95,-93,-102, -106,-101,-110,-105,-132,-76,-409,-408,-391,-394,-346,-350,-641,-641,-641,-645, -645,-645,-595,-539,-641,-639,-639,-591,-591,-591,-591,-591,-737,-598,-728, -706,-1174,-1131,-1546,-1498,-1337,-1109,-2033,-1985,-29980,-29981,-29997, -29998]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 Ng4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 11. Bxg4 Bxg4 12. f4 {[#]} Nxd4 $146 { The position is equal.} ({Predecessor:} 12... Bd7 13. Nb3 b6 14. Nd5 Rb8 15. Qf2 Bxb2 16. Rab1 Bg7 17. Bxb6 Qc8 18. a5 e6 {1-0 (31) Varshini,V (2105) -Harazinska,E (2087) Porto Carras 2015}) 13. Bxd4 e5 14. fxe5 (14. Be3 $11) 14... dxe5 $17 15. Be3 Qxd2 16. Bxd2 Rac8 17. Rfc1 Be6 18. a5 Rfd8 19. Be3 Bf8 20. Nd1 Bc5 $36 {[%mdl 2048] Black is really pushing.} 21. Kf2 f5 (21... Bb4 $142 22. Kg1 Bd2 23. Bxd2 Rxd2) 22. Ke2 $2 {[%mdl 8192]} (22. Bxc5 $17 { is more resistant.} Rxc5 23. Ke2) 22... Bc4+ $19 23. Ke1 {[#]} Rxd1+ $1 { [%mdl 576] Remove Defender} 24. Rxd1 {Strongly threatening Bxc5.} Bxe3 25. Rd7 $2 (25. exf5 gxf5 26. c3) 25... Bb5 26. Rxb7 Rxc2 {[%mdl 64] And now ...Bd3 would win. Double Attack} 27. Rxb5 axb5 {[%mdl 4096] Endgame KRB-KR} 28. a6 Rc7 29. exf5 gxf5 30. Ra5 Ra7 31. Rxb5 Bd4 32. Ra5 Bxb2 {[#] aiming for ...Bc3+.} 33. Ke2 Kf7 34. Kf3 Ke6 35. h4 h5 36. g3 Bd4 37. Ra4 e4+ 38. Kf4 Be5+ 39. Kg5 Bxg3 40. Kxh5 Kf6 {[%CAl Ra7h7] Black took control after the opening. Weighted Error Value: White=0.72/Black=0.08} 0-1 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.1"] [White "Korobov, Anton"] [Black "Checa, Nicolas"] [Result "1-0"] [ECO "D10"] [WhiteElo "2683"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "67"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,66,23,24,20,21,23,24,45,42,41,8,12,10,8,14,51,41,44,40,66,49,38,24, 39,4,19,24,30,15,154,164,156,125,251,251,257,254,411,407,407,421,452,441,433, 432,394,383,522,522,523,507,632,535,535,535,29998,29999,29999]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 e6 6. e3 Nc6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 7. Bd3 h6 8. Bh4 a6 {White has an edge.} 9. Rc1 Be7 10. f4 O-O 11. Nf3 Ng4 12. Bxe7 {[#]} Qxe7 $146 ({Predecessor:} 12... Nxe7 13. Qe2 Nf5 14. Nd1 Bd7 15. O-O Ba4 {0-1 (49) Walter,M-Gruenfeld,E Moravska Ostrava 1923}) 13. Qd2 Bd7 14. O-O Rfc8 15. h3 Nf6 16. Ne5 Be8 17. Rf3 Rc7 18. Rcf1 Rac8 19. Qf2 Na5 {[#]} (19... Nb4 $11 20. Bb1 Ne4 21. Nxe4 (21. Bxe4 dxe4 22. Nxe4 f6 $17) 21... dxe4 22. Bxe4 Bb5) 20. f5 $1 $16 Nc4 21. fxe6 fxe6 { A mistake that costs the game.} (21... Nxe5 $16 22. dxe5 Ne4 23. Nxe4 dxe4 24. Bxe4 (24. exf7+ Bxf7 25. Bxe4 Qxe5 $16) 24... Qxe6) 22. Bxc4 $18 dxc4 23. Qh4 { [%CAl Rf3f6] aiming for Rxf6.} Nd5 (23... Nh7 {might work better.} 24. Qg4 h5) 24. Qg4 Nxc3 25. bxc3 b5 26. Rf8+ {[%mdl 64] [#] Deflection} Qxf8 27. Rxf8+ Kxf8 28. Qxe6 a5 29. d5 {And now d6 would win.} Rd8 {and the idea ...Re7 leaves Black hopeful.} 30. d6 Ra7 31. e4 b4 32. d7 bxc3 33. dxe8=Q+ Rxe8 34. Ng6# {Weighted Error Value: White=0.09/Black=0.60} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.1"] [White "Santos Latasa, Jaime"] [Black "Moussard, Jules"] [Result "1/2-1/2"] [ECO "A42"] [WhiteElo "2600"] [BlackElo "2626"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,93,81,90,83,97,59,65,58,87,77,80,63,82,44,70,54,105,95,108,103,80,87, 95,96,127,111,132,110,111,93,281,289,283,286,475,115,104,12,13,-213,-232,-322, -314,-448,-446,-522,-507,-468,-383,-447,-456,-839,-831,-843,-814,-29973,-29975, -29972,-29973,-29978,-29979,-29982,-9475,-5614,0,-29982,-29983,-29990,-29991, -29991,-29972,-29961,0,-29991,0,-12834,0,-29976]} 1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nc3 Nc6 5. d5 Nd4 6. Be3 c5 7. Nge2 Nxe2 8. Bxe2 Nf6 9. O-O O-O 10. h3 { A42: Modern Defence: Averbakh Variation.} e6 11. Qd2 exd5 12. exd5 {[#] White is slightly better.} Bf5 $146 ({Predecessor:} 12... Re8 13. Bd3 a6 14. a4 Nd7 15. Rae1 Qc7 16. Bh6 Nf6 17. Bxg7 Kxg7 18. Rxe8 Nxe8 {0-1 (40) Stankovic,Z (2228)-Zozulia,A (2347) Ascona 2007}) 13. g4 Bd7 14. Rae1 Re8 15. Bd3 h5 16. f3 Rxe3 17. Rxe3 $16 ({But not} 17. Qxe3 Nxd5 18. Qd2 (18. cxd5 $2 Bd4 $19) 18... Nxc3 $11) 17... Bh6 18. g5 Bxg5 19. f4 Bh6 20. Qf2 $36 {[%mdl 2048] Black is under strong pressure.} Qf8 21. Rfe1 a6 22. a4 Qc8 23. Qh4 Kg7 {[#]} (23... Nh7 $16) 24. Bxg6 $1 $18 {[%mdl 512]} Kxg6 25. Rg3+ Ng4 $2 (25... Bg4 {might work better.}) 26. hxg4 $2 (26. Re7 $18 {is more deadly. aiming for Ne4.} Qh8 27. hxg4 (27. Rxd7 Qd4+ 28. Kh1 Qxf4 $16) 27... Bxg4 28. f5+ Kg7 29. Ne4 (29. Qxh5 $2 Be3+ 30. Rexe3 Qxh5 $19)) 26... Bxg4 $16 27. Rf1 (27. Qe7 $16) 27... Qf5 $1 $11 {Threatening ...Re8.} 28. Nd1 $2 (28. Qe7 $11 {and White has nothing to worry.}) 28... Bxf4 $19 29. Rg2 {[#]} Re8 $1 30. Nf2 (30. Qf2 {was worth a try. } Re4 31. Qc2) 30... Re2 31. Nxg4 Rxg2+ 32. Kxg2 hxg4 {[%mdl 4096] Endgame KQR-KQB} 33. Qe1 Qe5 34. Qxe5 (34. Qb1+ $142 f5 35. Qd3) 34... Bxe5 {KR-KB} 35. a5 f5 36. Rb1 f4 37. b4 f3+ 38. Kf2 Kf5 39. bxc5 Bd4+ (39... Kf4 $142 40. Rd1 g3+ 41. Kf1 dxc5 42. Rd2 Bd4 43. d6 Ke3 44. Rxd4 g2+ 45. Kg1 cxd4 46. d7 Ke2 47. d8=Q f2+ 48. Kxg2 f1=Q+ 49. Kg3 Qf3+ 50. Kh4 d3 51. Qe7+ Qe3 52. Qa3 Qf4+ 53. Kh5 Qf5+ 54. Kh6 Qf6+ 55. Kh7 d2 56. Qa2 Ke1 57. Qb3 d1=Q 58. Qe3+ Qe2 59. Qxe2+ Kxe2 60. c5 Qf8 61. c6 bxc6 62. Kg6 Kf3 63. Kg5 Qf7 64. Kh6 Qg8 65. Kh5 Qg7 66. Kh4 Qh6#) 40. Kg3 Be5+ (40... dxc5 $19 41. Rb6 Be5+ 42. Kf2 Kf4) 41. Kf2 {With the idea c6.} Kf4 42. Rd1 g3+ 43. Kf1 Ke3 44. Re1+ Kf4 45. Rd1 Ke3 ( 45... g2+ $142 46. Kf2 dxc5 47. d6 Kg4 48. d7 Bg3+ 49. Ke3 Bh4 50. d8=Q Bxd8 51. Ke4 {[#]} f2 $1 52. Rxd8 g1=Q 53. Rg8+ Kh5 54. Rh8+ Kg6 55. Rg8+ Kf7 56. Rxg1 fxg1=Q 57. Kd3 Qd1+ 58. Ke3 Ke6 59. Kf2 Kf5 60. Ke3 Kg4 61. Kf2 Qd2+ { [%mdl 64] Double Attack} 62. Kf1 Kh3 63. Kg1 Qg2#) 46. Re1+ Kf4 (46... Kd2 $19 47. Re4 Kd3 48. Rxe5 dxe5) 47. Rd1 {[%mdl 32768] Weighted Error Value: White=0. 67/Black=0.79. An unexpected result.} 1/2-1/2 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.1"] [White "Nevednichy, Vladislav"] [Black "Fier, Alexandr"] [Result "0-1"] [ECO "B04"] [WhiteElo "2546"] [BlackElo "2558"] [Annotator "TA"] [PlyCount "99"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,99,14,36,0,0,-28,-25,-33,-36,-46,-51,-43,-30,-43,-37,-48,-41,-50,-48, -104,0,-4,-7,-7,-25,-15,30,22,28,29,26,-18,-18,-30,-22,-92,-6,0,0,-55,-39,-168, -172,-651,-639,-631,-590,-1704,-1675,-1616,-1616,-1616,-1616,-1605,-1586,-1616, -1605,-1427,-1318,-993,-599,-29952,-6684,-29959,-29957,-29969,-29970,-29974, -29973,-29973,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29978, -29978,-29979,-29979,-29980,-29980,-29981,-29983,-29984,-29984,-29985,-29985, -29986,-29986]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. h3 Bg7 6. Bb5+ { B04: Alekhine's Defence: 4 Nf3.} c6 7. Be2 dxe5 8. Nxe5 {Black has an edge.} O-O 9. O-O c5 {[#]} 10. Bf3 $146 ({Predecessor:} 10. Nf3 cxd4 11. Nxd4 Nc6 12. Nxc6 bxc6 13. c4 Nb6 14. Nc3 Be6 15. c5 Nd5 16. Bd2 Rb8 17. Qc1 {0-1 (35) Aydinalp,S (1793)-Darban,M (2300) Izmir 2017}) 10... Nb4 11. c3 cxd4 12. Nxf7 Rxf7 13. cxb4 Nc6 14. Qb3 (14. Re1 $15) 14... d3 ({Black should try} 14... Qd6 $1 $17 {Hoping for ...Be6.} 15. Nd2 Be6) 15. Bd5 e6 $1 {[%CAl Re6d5]} 16. Bxc6 bxc6 17. Be3 Qd5 18. Nc3 Qxb3 19. axb3 e5 20. b5 cxb5 21. Nxb5 Be6 22. b4 {[#]} (22. Nd6 $11 {keeps the balance.}) 22... Bb3 (22... Rb7 $1 $17 {[%CAl Rb7b5]} 23. Nxa7 Rxb4) 23. Ra3 Bc2 24. Rfa1 ({White should play} 24. Nd6 $11 Rc7 25. Ne4) 24... e4 25. Rxa7 {This move loses the game for White.} (25. Nd6 $15 Re7 26. Nc4) 25... Rfxa7 $19 26. Rxa7 (26. Nxa7 Bxb2 27. Ra5) 26... Rxa7 27. Nxa7 $15 {[%mdl 4096] Endgame [#] KBB-KBN} Bd4 $1 {[%CAl Rd4e3][%mdl 512]} 28. Nb5 ( 28. Bxd4 d2) 28... Bxe3 29. fxe3 $19 {KB-KN} d2 30. Nc3 d1=Q+ 31. Nxd1 Bxd1 { KB-KP} 32. b5 Ba4 33. b6 Bc6 34. Kf2 Kf7 35. h4 Ke6 36. Kg3 Kf5 {Black mates.} 37. b4 g5 38. b5 Bb7 39. hxg5 Kxg5 40. Kh3 Bc8+ 41. Kg3 h5 42. Kf2 Kg4 43. Kf1 Kg3 44. Kg1 h4 45. Kf1 h3 46. gxh3 Kxh3 47. Ke2 Kg3 48. Kd2 Kf3 49. Kc3 Kxe3 50. Kc4 {Weighted Error Value: White=0.70/Black=0.10} 0-1 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.2"] [White "Moussard, Jules"] [Black "Santos Latasa, Jaime"] [Result "1/2-1/2"] [ECO "A14"] [WhiteElo "2626"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "42"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,42,-7,-16,11,2,30,13,20,16,14,27,67,0,0,0,0,0,0,-7,0,0,0]} 1. Nf3 Nf6 2. b3 e6 3. Bb2 Be7 4. g3 O-O 5. Bg2 d5 6. O-O b6 7. c4 Bb7 8. d3 c5 9. e3 Nc6 10. Qe2 Qc7 11. a3 Rfd8 12. Nbd2 Rd7 {A14: English Opening: 1...e6 with b3 by White.} 13. Rac1 Rad8 14. cxd5 Nxd5 15. Nc4 Bf6 16. Rfd1 Qb8 {[#]} 17. Ne1 $5 $146 {[%mdl 8] New and interesting.} (17. e4 $1 $14) ({Predecessor:} 17. e4 Nc7 18. Bxf6 gxf6 19. e5 Ne8 20. exf6 Nxf6 21. Nfe5 Nxe5 22. Nxe5 Rd4 23. Qe3 { 0-1 (44) Kanovsky,D (2455)-Roubalik,J (2399) Czech Republic 2016}) 17... Bxb2 $11 {The position is equal.} 18. Qxb2 h6 19. Nc2 Nde7 20. Ne1 Nd5 21. Nc2 Nde7 {Weighted Error Value: White=0.09/Black=0.12} 1/2-1/2 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.2"] [White "Fier, Alexandr"] [Black "Nevednichy, Vladislav"] [Result "1-0"] [ECO "B80"] [WhiteElo "2558"] [BlackElo "2546"] [Annotator "TA"] [PlyCount "71"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,71,27,22,39,47,37,37,58,43,46,43,46,48,68,62,63,65,82,76,170,140,153, 54,154,83,194,206,230,105,370,353,347,314,295,159,161,124,175,-83,-72,-92,-73, -91,-22,-24,0,0,7,0,243,-61,490,491,650,650,2260,1950,29979,29980,29978,29962] } 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e6 7. Be3 h5 { B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 8. Qd2 a6 9. O-O-O Be7 {White is slightly better.} 10. h3 $5 {[%mdl 4] Exploring less charted territory.} Bd7 11. Bd3 h4 12. f4 Qc7 13. Nf3 b5 14. Kb1 {[#]} Nh5 $146 ({Predecessor:} 14... b4 15. Na4 Rb8 16. Qf2 e5 17. b3 exf4 18. Bxf4 Ne5 19. Nb2 Nxf3 20. gxf3 Nh5 {1-0 (55) Villaescusa Navalon,M-Schwarz,J (2315) ICCF email 2010}) 15. Rhe1 Na5 (15... b4 $16 {was worth a try.}) 16. Qf2 {Threatens to win with Bb6.} Nc4 17. Bc1 (17. Bxc4 $16 {And now Bd3 would win.} Qxc4 18. Rd4) 17... Rb8 (17... Qb6 $14 18. Qxb6 Nxb6) 18. e5 (18. Bxc4 $142 {Bd3 is the strong threat.} Qxc4 19. e5) 18... d5 (18... Qc5 $16 19. Qxc5 dxc5) 19. f5 $1 $18 b4 20. fxe6 (20. Ne2 $1 $18) 20... fxe6 $2 {[%mdl 8192] [#]} (20... Bxe6 $16 21. Ne2 Ng3) 21. Nxd5 $1 {[%mdl 512]} exd5 22. Bg6+ {[%mdl 64] Discovered Attack} Kd8 23. Rxd5 (23. Bg5 $1 $18 Bxg5 24. Nxg5) 23... Kc8 $16 24. Nd4 Rf8 25. Qg1 ({White has to play} 25. Nf5 $1 $18 {[%CAl Rf5e7]} Na3+ 26. Ka1 (26. bxa3 bxa3+ 27. Bb2 Rxb2+ $19)) 25... Nf4 $17 26. Bxf4 Rxf4 27. g3 {[#]} Rxd4 28. Qxd4 $11 {[#] Hoping for g4.} Na3+ $1 29. bxa3 bxa3+ 30. Kc1 {Black must now prevent Qd3.} Be6 $2 {[#]} (30... Rb4 $11 {and Black stays safe.} 31. Qe3 Qb7 32. Rc5+ Kb8) 31. Kd2 $2 (31. gxh4 $2 Rb4 $19) ({White must play} 31. Rd6 $1 $18 Qa5 (31... Bg5+ 32. Kd1) 32. Re3) 31... Qc6 $2 {[%mdl 8192] [#]} (31... Rb4 $1 $15 {keeps the upper hand.} 32. Qd3 {[%mdl 64] Double Attack} Bxd5 33. Qxd5 Qd7 34. Qxd7+ Kxd7) 32. Rd6 $1 $18 {[%CAl Rd6c6]} Bg5+ {[#]} ({Wrong is} 32... Qg2+ $2 33. Re2) (32... Bxd6 33. exd6) 33. Re3 $1 Qg2+ (33... Qc4 34. Qxc4+) 34. Kc3 {White threatens Qc5+ and mate.} ({Less strong is} 34. Kd3 Qf1+ 35. Kd2 Qf2+ 36. Kc3 (36. Kd3 Qf1+ {[%mdl 64] Double Attack} 37. Kd2 Qf2+ { [%mdl 64] Double Attack, Pin} 38. Kd3 Qf1+ $14 {[%mdl 64] Double Attack}) 36... Qxe3+ $14) 34... Bxe3 35. Rd8+ Kb7 36. Be4+ {Weighted Error Value: White=0.55/ Black=0.93} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.2"] [White "Checa, Nicolas"] [Black "Korobov, Anton"] [Result "1-0"] [ECO "E97"] [WhiteElo "2527"] [BlackElo "2683"] [Annotator "TA"] [PlyCount "79"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,79,41,49,31,83,72,108,104,111,97,106,99,103,96,175,168,174,162,179, 160,235,238,215,212,203,199,204,197,234,235,225,235,233,201,246,266,330,318, 308,229,243,236,300,305,288,298,440,435,453,458,456,458,458,458,437,446,409, 397]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Ng4 9. Bg5 f6 10. Bh4 g5 11. Bg3 Nh6 12. dxe5 dxe5 13. h3 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} Nf7 {[#]} ({Better is} 13... Qxd1 $14 14. Raxd1 (14. Rfxd1 g4 $14) 14... Be6) 14. Qb3 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 14. Qc2 Nd4 15. Nxd4 exd4 16. Rad1 c6 17. c5 Ne5 18. Bxe5 fxe5 19. Bg4 Bxg4 20. hxg4 { 1/2-1/2 (56) Ioseliani,N (2499)-Xie,J (2557) Shanghai 2001}) 14... Nd4 15. Nxd4 {White is better.} exd4 16. Nb5 c5 17. Nc7 Rb8 {[#]} 18. Na6 $1 $36 {[%mdl 2560] Black is under strong pressure.} bxa6 (18... Ra8 $16 19. Nxc5 Qe7) 19. Qxb8 $18 Qe7 {[#]} 20. Qc7 $1 {[%CAl Rc7e7]} Qxc7 21. Bxc7 f5 (21... Bb7 $16 { might work better.} 22. f3 Rc8) 22. exf5 Bxf5 23. Rfd1 Be5 24. Bxe5 Nxe5 25. Re1 Kg7 26. Bg4 Kf6 27. Bxf5 Kxf5 {[%mdl 4096] Endgame KRR-KRN} 28. b3 a5 29. Re2 d3 30. Re3 Rd8 31. Rd1 a4 32. f3 ({Weaker is} 32. bxa4 d2 $16) 32... a5 33. Kf2 ({Much less strong is} 33. bxa4 $6 h5 $18) 33... axb3 34. axb3 {[%CAl Ba2b3,Bb3a4][%mdl 32]} a4 (34... Kf6 $142 35. Re4 Rb8) 35. Rde1 d2 36. Rxe5+ { [%mdl 64] Double Attack} Kf6 37. Re6+ Kf7 38. Re7+ Kf8 39. bxa4 dxe1=Q+ 40. Rxe1 {White took control after the opening. Weighted Error Value: White=0.05/ Black=0.24} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.3"] [White "Korobov, Anton"] [Black "Checa, Nicolas"] [Result "1-0"] [ECO "D10"] [WhiteElo "2683"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "57"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,57,-4,33,31,32,28,28,37,41,37,36,28,35,17,48,34,37,32,75,60,111,98, 136,119,151,141,212,229,249,239,280,298,285,231,226,225,264,256,735,632,1822, 1614,4994,2359,10822,11802,5322,5289,29999,29998]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 Nbd7 6. e3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} a6 7. Bd3 e6 8. f4 $5 {[%mdl 4] White has an edge. A promising side line.} Be7 9. Nf3 b5 10. O-O Bb7 {[#]} 11. f5 $146 ({Predecessor:} 11. Ne5 Ne4 12. Bxe7 Qxe7 13. Rc1 O-O 14. Nxe4 Nxe5 15. Ng5 Nxd3 16. Qxd3 g6 17. Nf3 { 1/2-1/2 (49) Solak,D (2579)-Jovic,S (2292) Novi Sad 2009}) 11... O-O 12. fxe6 fxe6 13. Bf4 Qb6 14. a4 b4 {[#] White now steadily converts the win.} (14... Ne4 $14) 15. a5 $1 $16 Qd8 (15... Qa7 16. Na4) 16. Na4 {And now Ng5 would win.} Nh5 17. Be5 Nxe5 (17... g6 $16 {is a better defense.}) 18. Nxe5 $18 Rxf1+ 19. Qxf1 Nf6 20. Nb6 Ra7 21. Rc1 Bd6 22. h3 Bc7 23. Qf4 h6 $2 (23... Bd6 24. Qh4 Qe8) 24. Qg3 Bxb6 25. axb6 Qxb6 26. Ng4 {[#] Intending Qb8+ and mate.} Nxg4 27. Qb8+ Kf7 28. Rc7+ Kf6 29. Qf8+ {Weighted Error Value: White=0.10/Black=0.53} 1-0 [Event "VII Sunway Sitges Open-TB 2020"] [Site "Sitges"] [Date "2020.12.23"] [Round "2.3"] [White "Moussard, Jules"] [Black "Santos Latasa, Jaime"] [Result "1-0"] [ECO "B00"] [WhiteElo "2626"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "150"] [EventDate "2020.12.13"] [EventType "k.o."] [EventCountry "ESP"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,150,-5,-14,-18,25,20,25,25,25,20,20,24,14,0,13,4,-16,-7,0,-6,5,-13, -13,-22,12,-12,19,13,10,16,8,10,37,11,47,0,6,8,27,0,204,-3,22,0,8,-9,-15,-9,23, 23,23,23,23,18,20,20,186,186,186,180,179,164,146,139,215,155,218,-22,0,0,103, 99,169,172,199,182,234,225,215,210,312,272,546,546,546,401,1596,1596,1596,1286, 1279,1047,29975,29976,29976,0,0,0,0,0,0,0,0,0,23,0,0,0,0,0,0,0,29982,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,29980,0,29980,0,29980,0,0,0,0,0,0,0,0,0,0]} 1. f4 b6 2. e4 Bb7 3. Nc3 e6 4. Nf3 d5 5. Bb5+ c6 6. Be2 {[#] B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} Nf6 $146 ({Predecessor:} 6... d4 7. Nb1 c5 8. d3 Nf6 9. O-O Be7 10. a4 Nc6 11. Na3 Qc7 12. Qe1 h6 {1-0 (41) Mamedov,N (2602)-Ipatov,A (2590) Denizli 2013}) 7. e5 Nfd7 8. d4 {White has an edge.} c5 9. Be3 Nc6 10. O-O Be7 11. Bb5 Qc7 12. Ne2 a6 13. Bxc6 Bxc6 14. c3 f5 15. exf6 Nxf6 16. Ne5 Bb5 17. f5 Bxe2 18. Qxe2 exf5 19. Rxf5 O-O 20. Raf1 cxd4 21. cxd4 Bd6 22. Qf3 Ne4 23. g3 Qe7 24. Nf7 Nf6 $2 {[#]} (24... Qe6 $11) 25. Ne5 $2 (25. Nh6+ $1 $18 {[%mdl 512]} gxh6 26. Bxh6) 25... Ne4 26. Qg4 {Rf7 is the strong threat.} Rxf5 (26... Rf6 {seems wilder.} 27. Rxf6 Nxf6 28. Qf5 Rf8 29. Bg5 Qe8) 27. Rxf5 { Threatens to win with Rf7.} Nf6 28. Qf3 Rf8 29. Bg5 {Strongly threatening Bxf6. } Qe6 30. Bxf6 $40 {[%mdl 128] White attacks.} Rxf6 31. Rxf6 gxf6 32. Ng4 f5 { [#]} (32... Kf7 $1 $11) 33. Qxd5 $3 $18 {[%mdl 576] Decoy} Qxd5 34. Nf6+ { [%mdl 64] Double Attack} Kf7 35. Nxd5 {[%mdl 4096] Endgame KB-KN} b5 36. Ne3 f4 (36... Ke6 $16) 37. Nf5 Bb8 (37... Bc7 $16) 38. gxf4 $2 (38. g4 $18) 38... Ke6 39. Ng7+ Kf7 (39... Kd5 $11 {keeps the balance.}) 40. Nh5 $16 Kg6 (40... Ba7 $16 {was called for.}) 41. Ng3 $18 Bxf4 42. Kf2 h5 (42... Kg5 $142 43. Kf3 Bc7) 43. Kf3 Bd6 44. h3 Be7 (44... Bb8 {was worth a try.} 45. Nf1 Kg5) 45. Ke4 Kg5 ( 45... Bd6 {is a better defense.} 46. Nf5 Bh2 47. Nh4+ Kf6) 46. Nf5 Bf6 47. b3 { [%CAl Bb2b3,Bb3a4][%mdl 32]} a5 (47... Bd8 $142 48. Ke5 Kg6) 48. a4 bxa4 49. bxa4 Bd8 50. d5 Bf6 51. d6 Bd8 52. d7 $2 (52. Nd4 Bb6 53. d7 Kh6 54. Nc6 Kg5 55. d8=Q+ Bxd8 56. Nxd8 Kh4 57. Nc6) 52... Kf6 $11 53. Nd4 (53. Nd6 {is interesting.} Ke6 54. Nc4 Bc7 55. Nd2 Bd8 56. Kd4) 53... Ke7 54. Nc6+ (54. Kd5 {looks sharper.} Kxd7 55. Kc5 Bf6 56. Nb3 Bc3 57. Kc4) 54... Kxd7 55. Nxd8 Kxd8 {KPP-KPP} 56. Kf5 (56. h4 {is interesting.} Kd7 57. Kd5 Kc7 58. Kc5 Kd7 59. Kb5 ) 56... Ke7 57. Kg5 (57. Ke5 {with more complications.} h4 58. Kd5 Kf6 59. Kc6 Kf5 60. Kb6) 57... Ke6 58. Kg6 h4 59. Kg5 Ke5 60. Kxh4 {KPP-KP} (60. Kg4 { keeps more tension.} Ke4 61. Kxh4 Kf4 62. Kh5 Kf5 63. Kh6) 60... Kf4 61. Kh5 Kf5 62. h4 Kf6 $1 63. Kg4 {White threatens Kf4 and mate.} Kg6 64. Kf4 { Intending Ke4 and mate.} Kh5 65. Kg3 (65. Ke3 {feels hotter.} Kxh4 66. Kd4 Kg5 67. Kd5 Kg6 68. Kc4) 65... Kg6 66. Kh3 {aiming for Kg4.} Kh5 (66... Kf5 { keeps more tension.} 67. Kg3 Kg6) 67. Kg3 Kh6 68. Kg4 Kh7 $2 {[%mdl 8192]} ( 68... Kg6 $11) 69. h5 $2 (69. Kf5 Kh6 70. Ke5 (70. Kg4 Kg6 $11) 70... Kh5 71. Kd4 Kxh4 72. Kc4 Kg5 73. Kb5 Kf6 74. Kxa5) 69... Kg8 $2 {[%mdl 8192]} (69... Kg7 $11) 70. Kg5 $2 (70. Kf5 Kg7 71. Ke5 (71. Kg5 Kh7 $11) 71... Kh6 72. Kd5 Kxh5 73. Kc5 Kg6 74. Kb5 Kf7 75. Kxa5) 70... Kh8 $2 {[%mdl 8192]} (70... Kg7 $11) 71. h6 $2 (71. Kf6 {mates} Kh7 72. Ke6 (72. Kg5 Kg7 $11) 72... Kh6 73. Kd5 Kxh5 74. Kc5 Kg6 75. Kb5 Kf7 76. Kxa5) 71... Kg8 {The position is equal.} 72. Kh4 {And now Kg4 would win.} Kh7 73. Kg5 Kg8 74. Kh5 Kh7 75. Kg5 Kg8 {[%mdl 32768] Weighted Error Value: White=0.30/Black=0.50. Sensor Board Error (Ke4/e5) ?} 1-0