[Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.1"] [White "Yip, Carissa"] [Black "Keymer, Vincent"] [Result "0-1"] [ECO "A11"] [WhiteElo "2430"] [BlackElo "2591"] [Annotator "TA"] [PlyCount "56"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,56,6,0,2,0,9,18,20,13,18,12,17,-16,-22,-29,0,-24,18,8,24,35,45,0,3, -17,-13,-16,-17,-19,-12,-39,-30,-29,-17,-56,-58,-299,-283,-379,-370,-527,-299, -324,-274,-404,-416]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nd7 6. cxd5 exd5 7. d3 Bc5 {A11: English Opening: 1...c6.} 8. h3 Bh5 9. Qc2 Ne7 {The position is equal.} 10. e4 O-O 11. Nc3 Bb6 {[#]} 12. Bg5 $146 ({Predecessor:} 12. b3 Rc8 13. Na4 Bc7 14. Bb2 c5 15. Nc3 d4 16. Ne2 b6 17. Bc1 f6 18. Bf4 { 1-0 (77) Velikov,P (2430)-Mohandesi,S (2332) France 2005}) 12... f6 {[#] White must now prevent ...Bxf3.} 13. Bd2 Bf7 14. Rfe1 Rc8 15. d4 dxe4 16. Nxe4 Bc7 17. Bb4 {Bxe7 is the strong threat.} Re8 18. Nd6 Bxd6 19. Bxd6 Nb6 20. Bc5 Qd7 21. Nd2 Nf5 22. Be4 Bg6 23. Rad1 Nd5 $1 24. Nc4 $2 {This costs White the game.} ({Not} 24. Bxa7 $2 b6 $19) (24. Qd3 $15) 24... b6 $19 {[%CAl Bb7b6,Bb6b5][%mdl 32]} 25. Ba3 b5 26. h4 (26. Qd2 $142 bxc4 27. Bg2) 26... Rxe4 27. Qxe4 {[#]} Nfe3 $1 {[%mdl 512]} 28. Qf3 (28. Qxg6 $142 hxg6 29. Nxe3) 28... Nxc4 { Weighted Error Value: White=0.50/Black=0.18} ({Much less strong is} 28... Nxd1 29. h5) 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.2"] [White "Nihal Sarin"] [Black "Abdusattorov, Nodirbek"] [Result "0-1"] [ECO "B12"] [WhiteElo "2620"] [BlackElo "2634"] [Annotator "Shahid"] [PlyCount "142"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,142,0,0,-34,3,0,3,2,-4,-3,18,25,41,37,81,70,79,62,75,50,65,-39,-30, -68,6,-86,-23,-37,-37,-34,0,7,46,29,106,44,50,35,112,142,185,0,104,0,178,178, 590,597,562,595,582,583,616,616,555,610,577,593,621,621,566,606,579,590,608, 333,325,259,259,259,281,280,295,289,359,289,288,259,296,279,286,285,285,285, 737,737,715,688,682,668,454,454,425,354,281,270,241,246,246,239,220,235,648, 257,257,102,102,102,94,-443,-427,-452,-441,-447,-435,-683,-647,-4590,-4180, -4132,-4132,-1779,-1767,-29963,-29964,-29972,-29973,-29976,-29976,-29969,-5673, -5575,-5469,-4918,-1044]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. e6 {B12: Caro-Kann: Advance Variation.} Qd6 7. exf7+ $1 Bxf7 8. Nc3 {The position is equal.} Nd7 {[#]} 9. f4 $146 ({Predecessor:} 9. Be3 O-O-O 10. Qd2 g6 11. O-O-O Bg7 12. Bh3 Kb8 13. Qf2 Nb6 14. Bf1 Ka8 15. Nh3 {1-0 (29) Dudin,D (2165) -Mukhina,M (1861) Saratov 2008}) 9... g5 10. fxg5 O-O-O 11. Be3 Bg7 12. Qd2 e5 13. O-O-O Ne7 14. Nf3 Rhf8 15. Bh3 (15. dxe5 Qc7 (15... Nxe5 16. Bf4 N7g6 17. Bg3) 16. Bf4) 15... Ng6 $15 {[%mdl 1024] Black has compensation.} 16. Rhf1 Be6 (16... c5 $15 17. dxe5 Ndxe5 18. Nxe5 Bxe5) 17. Rde1 (17. dxe5 $11 Ngxe5 18. Nxe5 Bxe5 19. Ne4 $1 (19. Bxa7 $2 b6 $19)) 17... e4 (17... c5) 18. Ng1 $11 Nb6 {aiming for ...Nc4.} 19. b3 Nd7 20. Rf5 Nh4 (20... Bxf5 $2 21. gxf5 Rf7 22. fxg6 $18) 21. Ref1 a6 ({Avoid the trap} 21... Nxf5 $2 22. gxf5 Qa3+ 23. Kb1 $18 ) (21... Ng6 $11 {remains equal.}) 22. Kb1 (22. Nce2 $16) 22... Ng6 $14 (22... Nxf5 $2 23. gxf5 Qe7 24. Nce2 $18) 23. R1f2 Nh4 {[#]} ({But not} 23... Bxf5 $2 24. gxf5 Kb8 25. fxg6 $18) (23... Rg8 $14) 24. Bf4 $1 $16 Qe7 (24... Qa3 25. Bg3) 25. Be3 (25. Bg3 $1 $18) 25... Qd6 (25... Nxf5 $2 26. gxf5 Bxf5 27. Bxf5 $18) 26. Bf4 Qe7 $1 $18 {[#]} 27. Bg3 $1 $40 {[%mdl 128]} Bxf5 (27... Nxf5 28. gxf5 Nf6 29. Na4 $18) (27... Ng6 {is tougher.}) 28. gxf5 e3 {[#]} 29. Nxd5 $1 { [%mdl 576] Clearance} cxd5 (29... exd2 $4 30. Nxe7#) 30. Qa5 {[%csl Gg3][%CAl Ra5c7]} Be5 (30... Nb8 31. f6+ Nf5 32. Bxf5+ Rd7 33. Qc7#) 31. Bxe5 Qxe5 32. dxe5 exf2 {[#]} 33. Nf3 {[%mdl 512]} Rxf5 (33... Nxf3 34. Qc3+) 34. Nxh4 f1=Q+ 35. Bxf1 Rxf1+ 36. Kb2 Re8 37. Qxd5 Nxe5 38. g6 hxg6 {[#]} 39. Nxg6 $1 { [%mdl 512]} Re1 (39... Nc6 40. h4) (39... Nxg6 $4 40. Qc4+ $18) 40. Nf4 Nc6 41. h4 Rd8 42. Qf5+ Kb8 43. Ne6 Rdd1 44. Qf4+ Ka7 45. Qf2+ Kb8 46. Nc5 Nd4 $2 ( 46... Ka8 47. h5 Re7) 47. Qf7 {[%csl Gc5][%CAl Rf7b7]} Rb1+ 48. Kc3 {[%csl Gc5] [%CAl Rf7b7]} Nb5+ 49. Kb4 {[%csl Gc5][%CAl Rf7b7]} Nd6 50. Qd7 (50. Qf8+ Kc7 51. Qg7+ Kb8 52. h5) 50... Rbd1 {intending ... a5+.} 51. Qd8+ Ka7 52. Nd7 { [%csl Gd7][%CAl Rd8b8]} Re8 53. Qb6+ Ka8 54. Qf2 Nc8 {[#]} 55. Nc5 {Black must now prevent Qf3!} Rd5 $2 (55... Rde1 56. Qf3 R1e7) 56. c4 $2 (56. Qf7 {[%csl Gc5][%CAl Rf7b7]} Rd4+ 57. Kc3) 56... Rde5 57. h5 $2 (57. Ka3 $18 {and White stays clearly on top.}) (57. Nd7) 57... Rh8 $16 58. h6 {[%mdl 64] Decoy} Rxh6 59. Qf4 $2 {[%mdl 8192]} (59. Qf8 $16 Rc6 60. Na4) 59... Rb6+ $19 60. Ka3 Rxc5 61. Qf8 Rbc6 62. Qf4 (62. Qh8 $142) 62... Na7 63. Qf8+ Rc8 64. Qd6 Ra5+ 65. Kb2 Nc6 66. Qe6 Rh8 67. Qe2 Rah5 68. Qe3 Rh2+ 69. Ka3 Rg2 (69... R8h5 $142 70. c5 R5h4 71. Qg5 Ka7 72. Qe3 Rc2 73. Qe6 Rhh2 74. b4 Rc3+ 75. Qb3 Rxb3+ 76. Kxb3 Rh3+ 77. Kc4 Rh4+ 78. Kd5 Rxb4 79. Kd6 Ra4 80. Kd5 a5 81. Kd6 Rxa2 82. Ke6 Rf2 83. Kd6 a4 84. Kd5 Rf4 85. Kd6 a3 86. Ke6 a2 87. Kd7 a1=Q 88. Ke8 Qe5+ { [%mdl 64] Double Attack} 89. Kd7 Rf7+ 90. Kc8 Qh8#) 70. Qf3 Rhh2 {[%csl Gh2] [%CAl Rg2a2]} 71. Qf8+ Nb8 {Weighted Error Value: White=0.47/Black=0.32} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.3"] [White "Zhu, Jiner"] [Black "Murzin, Volodar"] [Result "0-1"] [ECO "B12"] [WhiteElo "2462"] [BlackElo "2502"] [Annotator "TA"] [PlyCount "126"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,126,10,15,8,26,15,46,31,31,20,86,31,115,70,77,76,133,128,165,142,197, 199,207,184,184,184,171,171,163,179,177,170,237,229,303,214,608,25,133,138,141, 54,64,0,0,0,0,0,13,0,0,0,0,0,-4,-1,0,-58,-42,-43,-37,-72,-51,-52,-38,-136,-74, -115,-66,-68,-46,-45,-43,-121,-102,-109,-26,-40,0,-539,-539,-536,-528,-511, -510,-552,-539,-531,-516,-497,0,-418,-371,-469,-470,-475,-475,-475,-471,-468, -470,-437,-437,-426,-419,-361,-293,-498,-486,-479,-465,-416,-377,-1039,-1104, -29983,-29984]} 1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Be6 6. c3 Nd7 7. Bd3 {B12: Caro-Kann: Advance Variation.} Bd6 8. O-O h6 9. Na3 {White is slightly better.} Ngf6 10. Nc4 {[#]} Qc7 $146 (10... Bxc4 $11 11. Bxc4 O-O) ({ Predecessor:} 10... Bxc4 11. Bxc4 Qe7 12. Bd3 O-O-O 13. Qa4 Nc5 14. dxc5 Bxc5+ 15. Kh1 Rxd3 16. b4 Bb6 {1-0 (45) Lyell,M (2188)-Mostbauer,F (2304) Budapest 2021}) 11. Kh1 (11. Nxd6+ $16 Qxd6 12. h3) 11... Rd8 (11... Bxc4 $14 12. Bxc4 O-O) 12. Nxd6+ $16 Qxd6 13. Qe1 g5 (13... O-O $142) 14. Bc2 Qe7 15. b3 (15. Nxe5 $6 Nxe5 16. dxe5 Ng4 $16) (15. dxe5 Nh5 $16) 15... Rg8 (15... c5 $16 16. d5 (16. Nxe5 Nxe5 17. dxe5 Ng4 $16) (16. dxe5 Nh5 $16) 16... Bg4) 16. a4 $18 ( 16. Nxe5 $6 Nxe5 17. dxe5 Ng4 $16) 16... c5 17. d5 (17. Nxe5 $6 Nxe5 18. dxe5 Ng4 $16) (17. dxe5 $6 Ng4 $16) 17... Bg4 18. Nd2 Bh5 19. Nc4 Bg6 20. Ba3 b6 21. b4 Rc8 (21... Nxd5 {might work better.} 22. bxc5 (22. exd5 Bxc2 23. bxc5 bxc5 $16) 22... bxc5) 22. Rb1 Nxd5 {With the idea ...cxb4.} 23. bxc5 Nxc5 (23... bxc5 24. exd5 Bxc2) 24. Nxe5 $2 Nf4 (24... Qxe5 $11 {remains equal.} 25. exd5 Qxe1 26. Rbxe1+ (26. Rfxe1+ Kd8 $11) 26... Kd8 27. Bxg6 fxg6) 25. Nxg6 $16 Rxg6 26. g3 (26. a5 $16) 26... Nfd3 $14 27. Bxd3 ({Better is} 27. Qe2 $14 Ne5 28. a5 ) 27... Nxd3 $11 28. Bxe7 Nxe1 29. Bf6 Nc2 30. e5 Ne3 31. Rf3 {[%CAl Rf3e3]} Nd5 (31... Rxc3 {is more complex.} 32. e6 g4 33. Rf4 Rd3 34. Rc1 fxe6 35. Rc8+ Kf7) 32. Rd1 $1 {[%CAl Rd1d5]} Nxf6 ({Wrong is} 32... Nxc3 $2 33. Rxc3 $1 { [%mdl 512]} Rb8 34. Rc7 $18) 33. exf6 {[%mdl 4096] Endgame KRR-KRR} Rc6 34. Rdf1 (34. Re3+ $11 Re6 35. Red3 Rexf6 36. Rd8+ Ke7 37. R1d7+ Ke6 38. Rxa7) 34... Kd7 35. Kg2 Rd6 36. g4 Kc6 37. Rf5 Re6 38. R1f3 ({White should try} 38. c4 $15) 38... Rg8 (38... Re4 $142 39. h3 Rxa4) 39. Kg3 Rge8 40. h4 Re5 41. hxg5 hxg5 42. Rf2 (42. c4 $15) 42... R8e6 43. Rf1 Kc5 (43... Rd5 $17 44. Rxd5 Kxd5 45. Rd1+ Kc6) 44. Rh1 Kd5 45. Rh7 $2 {[%mdl 8192]} (45. Rd1+ $11 Kc6 46. Rd8) 45... Rxf5 $19 46. gxf5 Rxf6 {KR-KR} 47. Kg4 {[#]} Ke5 $1 48. Kxg5 Rxf5+ 49. Kg4 Rf4+ 50. Kg3 Rf5 $2 (50... a5 $19 51. Kg2 Rxa4 52. Rxf7 Ke4) 51. Rh4 $2 { [%mdl 8192]} (51. Kg4 $1 $11 {and White is okay.} Ke4 52. Rh2) 51... Kd6 52. Rd4+ Rd5 {aiming for ...Rxd4.} 53. Rf4 f5 54. Kf2 Ke5 55. Rh4 Rc5 56. Rh7 Ra5 57. Rh4 Kf6 58. Rd4 Ke6 59. Kf3 $2 (59. Rh4) 59... Rc5 60. Rd3 Rc4 61. Re3+ Kf6 62. a5 $2 (62. Rd3) 62... bxa5 63. Ke2 Re4 {What a bad dream for White. Weighted Error Value: White=0.71/Black=0.40} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.4"] [White "Mendonca, Leon Luke"] [Black "Khademalsharieh, Sarasadat"] [Result "0-1"] [ECO "D37"] [WhiteElo "2549"] [BlackElo "2494"] [Annotator "TA"] [PlyCount "138"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,138,27,28,28,25,25,24,22,33,27,24,25,34,31,33,32,31,22,30,18,32,22,18, 12,23,16,33,18,18,14,16,15,14,0,18,1,8,0,10,0,0,0,0,0,0,0,0,0,0,-20,-18,-17,-8, -71,-41,-14,-29,-87,-80,-112,-93,-95,-20,-183,0,-374,-374,-344,-356,-332,-270, -320,-306,-458,-466,-582,-574,-1033,-602,-1016,-698,-674,-667,-808,-462,-985, -929,-912,0,-835,-822,-800,-766,-2906,-1094,-1247,-1002,-1068,-1054,-992,-952, -933,-893,-687,-609,-29954,-29958,-29956,-29949,-10831,-9109,-5832,-3008,-2227, -2378,-1881,-1731,-29966,-29966,-29966,-29962,-29975,-29976,-29977,-29978, -29978,-29979,-29979,-29980,-29982,-29983]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. Bd3 {White has an edge.} Bd6 9. O-O c6 10. Bf4 Qb8 11. Bxd6 Qxd6 12. h3 O-O 13. Qb3 Rab8 14. a4 a5 {[#]} 15. Qc2 $146 ({Predecessor:} 15. Qa3 Ne8 16. Rfb1 Qxa3 17. Rxa3 Nd6 18. b4 Ra8 19. b5 c5 20. dxc5 Nxc5 21. Rd1 {0-1 (63) Giri,A (2764) -Izoria,Z (2602) Chess.com INT 2020}) 15... h6 16. Rfc1 Rfc8 17. Ne2 Rc7 18. Nf4 Rbc8 19. Qd2 b6 20. b3 Ne4 21. Qb2 c5 22. Nxe6 Qxe6 23. dxc5 bxc5 24. Bb5 Nb6 25. Rc2 c4 26. Rac1 (26. Ba6 Ra8 27. Bb5) 26... Nc5 27. Nd4 Qf6 {With the idea ...Nd3.} 28. Qa3 ({Reject} 28. bxc4 Nd3 $17) 28... Nd3 29. Rb1 Nb4 30. Rc3 Nd7 31. bxc4 (31. Bxd7 $11 Rxd7 32. Qb2) 31... dxc4 $17 32. Bxd7 Rxd7 33. Rbc1 (33. Qb2 $11 {remains equal.}) 33... Rdc7 34. Qa1 Rc5 35. Qb1 h5 (35... Qe5 $17 ) 36. Qe4 $2 {White is on the road to losing.} (36. Nb3 $1 $11 {and White stays safe.} Na2 37. Nxc5 Nxc3 38. Qb2) 36... g6 $2 ({Black should play} 36... Na2 $19 37. Qb1 Nxc3 38. Rxc3 Qg6) 37. g3 $4 {[%mdl 8192]} (37. Nb3 $1 $11 Nd3 38. Rxd3 (38. Nxc5 Qxf2+ 39. Kh2 Nxc1 $17) 38... cxb3 39. Rxc5 Rxc5 40. Rxb3) 37... Na2 $19 {[%mdl 64] [#] Double Attack} 38. R1c2 Nxc3 39. Rxc3 Kg7 40. Kg2 Rb8 41. Rc2 (41. Qc2 {only move.}) 41... Rb4 42. Kh2 Rxa4 43. Ne2 Rb4 44. Nf4 Qf5 45. Qd4+ Kh7 46. e4 Qe5 47. Qe3 (47. Qxe5 $142 Rxe5 48. Nd5) 47... Rb3 48. Qe2 Rb4 $2 (48... h4 $19 49. Qg4 hxg3+ 50. fxg3 Qxe4) 49. Qf3 $2 {[%mdl 8192]} (49. Qe3 $11 Rb3 50. Qe2) 49... Kg7 50. Nd5 Rb2 51. Rc3 {[#]} a4 (51... Rxd5 $142 $1 52. Kg1 (52. exd5 Qe1) 52... Rdd2 53. Rxc4 a4 54. Rxa4 Qc5 55. Ra3 Qc1+ 56. Kg2 Rxf2+ 57. Qxf2 Rxf2+ {[%mdl 64] Discovered Attack} 58. Kxf2 Qxa3 59. e5 Qb2+ 60. Ke3 Qxe5+ 61. Kd3 Qxg3+ 62. Kd4 Qxh3 63. Kd5 Qb3+ 64. Kd6 h4 65. Kd7 h3 66. Kc7 h2 67. Kd7 h1=Q 68. Ke8 Qbd5 69. Ke7 Qhe4#) 52. Qe3 Rxd5 53. exd5 Qxe3 54. Rxe3 Rxf2+ {[%mdl 4096] Endgame KR-KR} 55. Kg1 Rd2 56. Ra3 Rxd5 57. Rxa4 Rc5 58. Ra2 c3 59. Rc2 Kf6 60. Kf2 Ke5 61. Ke3 Kd5 62. Kd3 Rc4 63. Ke2 Ke4 {Black mates.} 64. Kd1 Kf3 65. Ra2 Kxg3 66. Ra7 Rf4 67. Rc7 Kxh3 68. Rxc3+ Kg2 69. Rc2+ Rf2 {Weighted Error Value: White=0.58/Black=0.48} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.5"] [White "Praggnanandhaa R"] [Black "Liang, Awonder"] [Result "0-1"] [ECO "E52"] [WhiteElo "2608"] [BlackElo "2592"] [Annotator "Shahid"] [PlyCount "98"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,98,5,25,11,21,22,23,0,0,0,0,-8,0,0,6,5,76,85,79,88,55,51,128,50,125, 127,125,145,122,117,117,117,117,114,143,127,186,183,194,185,311,215,214,183, 179,116,103,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,-80,-80,-1063,-679,-29980,-29980, -29980,-29981,-29981,-29982,-29982,-29983,-29982,-29983,-29988,-29989,-29989, -29989]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 d5 8. cxd5 exd5 9. Rc1 a6 10. O-O Bd6 11. Ne5 {E52: Nimzo-Indian: Rubinstein: 4... 0-0 5 Nf3 d5 6 Bd3 b6.} c5 12. f4 Nc6 13. Be1 {White has an edge.} cxd4 14. Nxc6 Bxc6 15. Ne2 Bb5 16. Nxd4 Bxd3 17. Qxd3 Ne4 {[#]} (17... Re8 $11 {keeps the balance.}) 18. Nf5 $146 ({Predecessor:} 18. Nc6 Qe8 19. Qxd5 Bc5 20. Nd4 Rd8 21. Qc4 Nd6 22. Qb3 Nb5 23. Bf2 Nxd4 24. exd4 Bxd4 25. Bxd4 Rxd4 26. Qxb6 { 1-0 (63) Manush,S (2324)-Raja,H (2472) Chess.com INT 2020}) 18... g6 19. Nh6+ Kg7 20. Qxd5 {Threatens to win with Nxf7.} Qe7 $2 {[#]} (20... Bc5 $14 21. Qxe4 Re8 22. Bc3+ Kxh6) 21. Ng4 $6 (21. Nxf7 $1 $16 {[%mdl 512]} Bc5 22. Rxc5 $1 Qxc5 (22... Nxc5 23. Bc3+ $18) (22... bxc5 23. Ne5) 23. Qxe4 Kxf7 24. f5) 21... Rad8 ({Black should play} 21... Rac8 $14 22. Rxc8 Rxc8) 22. Rc4 $36 {[%mdl 2048] White is on the roll.} Rfe8 {[#]} 23. Rxe4 $1 {[%mdl 576] Remove Defender } Qxe4 24. Bc3+ (24. Qg5 Qf5 25. Bc3+ Kf8 26. Qh6+) 24... Kf8 25. Qg5 {[%mdl 1024] White has strong compensation.} Qf5 {Threatening ...Qxg5.} 26. Qh6+ { [%mdl 64] Double Attack} Ke7 27. Bf6+ (27. Qh4+ Kd7 28. Nf6+ Kc8 29. Nxe8 Rxe8 30. Bd4 Bc5 31. Rc1) 27... Kd7 (27... Ke6 $16) 28. Ne5+ $18 Bxe5 29. fxe5 Qe4 ( 29... Qe6 $142) 30. Bxd8 (30. Qxh7 Qxe3+ 31. Kh1 Kc8 32. Bxd8 Kxd8 33. Qxf7 Rxe5 34. Qxg6) 30... Kxd8 31. Rxf7 Qxe5 {[%mdl 4096] Endgame KQR-KQR} 32. Qh4+ (32. h4 $18) 32... g5 33. Qd4+ (33. Qc4 $16 {Intending Qd3+ and mate.} Qxe3+ 34. Kh1 Qe1+ 35. Rf1) 33... Qxd4 $11 34. exd4 {KR-KR} Re2 35. Rxh7 Rxb2 36. a3 Ra2 37. Rg7 Rxa3 38. Rxg5 b5 {[%CAl Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 39. h4 { h5 is the strong threat.} b4 {Hoping for ...b3.} 40. Rg8+ Kc7 {Strongly threatening ...b3.} 41. d5 {[#]} (41. Rg7+ $11 {remains equal.} Kb6 42. h5) 41... Ra5 $1 $17 {aiming for ...b3.} 42. Rg5 $2 {[%mdl 8192]} (42. Rg7+ $17 Kd8 (42... Kb6 43. Rg6+ Kb5 44. d6 b3 45. d7 Ra1+ 46. Kf2 Rd1) 43. Rg3 Rxd5 44. Kf2 ) 42... Rb5 $19 43. h5 b3 {Black mates.} 44. Rg7+ Kd6 45. Rg6+ Kxd5 46. Rg5+ Ke6 47. Rg6+ Kf7 48. Rxa6 b2 49. Ra7+ Kg8 {Never resign too early! Weighted Error Value: White=0.53/Black=0.14} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.6"] [White "Bjerre, Jonas Buhl"] [Black "Salimova, Nurgyul"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2542"] [BlackElo "2395"] [Annotator "TA"] [PlyCount "132"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,131,14,22,25,24,13,13,4,67,67,82,91,57,56,167,82,222,219,237,169,183, 118,111,89,80,79,85,97,100,62,44,41,85,25,46,12,173,0,71,66,163,54,66,-11,-19, -15,-12,-193,-18,-19,-15,-18,-15,-22,0,0,0,-22,-22,-104,-25,-20,-32,-25,-14, -93,0,0,0,0,46,54,90,99,97,0,0,0,30,-196,-174,-179,-70,-69,-64,-58,-23,-64,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 {[%CAl Bb1d2,Bd2b3,Bb3d4][%mdl 32]} e6 5. Nb3 c5 6. dxc5 {B12: Caro-Kann: Advance Variation.} Bxc5 7. Bb5+ Nc6 8. a4 {[#]} Be7 $146 ({Black should play} 8... Qb6 $11) ({Predecessor:} 8... Qb6 9. Nxc5 Qxc5 10. c3 Qb6 11. Be3 Qc7 12. f4 Nge7 13. Nf3 O-O 14. O-O f6 15. exf6 Rxf6 {1/2-1/2 (31) Vallejo Pons,F (2694)-Lupulescu,C (2643) Batumi 2019}) 9. Nd4 $1 $14 {[%CAl Rd4c6]} Qc7 10. Nxf5 exf5 11. Nf3 O-O-O (11... a6 $14 12. Bxc6+ Qxc6) 12. O-O ( 12. Bxc6 $18 {has better winning chances.} Qxc6 13. O-O) 12... d4 (12... Nxe5 $16 13. Nxe5 Qxe5) 13. Qd3 $18 g6 14. Qc4 {And now Bxc6 would win.} f6 15. e6 ( 15. Bxc6 $18 Qxc6 16. Qf7) 15... Bd6 $16 16. Bxc6 (16. c3 {looks sharper.} Nge7 17. cxd4 g5 18. g3 Kb8 19. Bd2) 16... Qxc6 17. Qxc6+ bxc6 18. Nxd4 Ne7 19. c3 Rhe8 20. Re1 a6 21. a5 (21. Bh6 $16) 21... Kc7 22. Ra4 Be5 $2 (22... c5 $11 23. Rc4 Nc6 24. Nxc6 Kxc6) 23. Rc4 $2 (23. Nb3 $18) 23... Rd5 (23... Bxd4 $11 { keeps the balance.} 24. cxd4 (24. Rxd4 Rxd4 25. cxd4 Nd5 $11) 24... Nd5) 24. Nb3 Nc8 (24... Rb5 $14) 25. f4 (25. Rh4 $18) 25... Bd6 $1 $14 26. Nd4 (26. g3 $14) 26... Bc5 $11 27. Be3 Nd6 28. Nb5+ $2 cxb5 $2 (28... axb5 $19 29. Rxc5 Rd3 ) 29. Rxc5+ Rxc5 30. Bxc5 $19 {[%mdl 4096] Endgame KRB-KRN} Ne4 31. Bb6+ Kc6 32. Rd1 Nd6 33. b3 Rxe6 34. Kf2 (34. Kf1 $11) 34... g5 (34... Ne4+ $1 $17 35. Kf3 Rd6 36. Rxd6+ Kxd6) 35. fxg5 fxg5 36. Kf3 h5 37. Rd2 (37. b4 $11) 37... g4+ (37... Re1 $17) 38. Kf4 $11 h4 39. h3 gxh3 40. gxh3 Re4+ {[#]} 41. Kg5 $1 Re8 { [#] aiming for ...Ne4+.} 42. Rd4 ({Better is} 42. Rd3 $1 $16) 42... Rg8+ $1 43. Kf6 Rg3 44. Ke6 $2 (44. Rxh4 $11 {and White has nothing to worry.} Rxc3 45. b4) 44... Re3+ $19 45. Kf6 {Hoping for Rxd6+!} Rxh3 (45... Rxc3 $19 46. b4 Rxh3) 46. c4 $1 $15 bxc4 47. bxc4 Rc3 (47... Rh1 $5 {[%CAl Rh4h3]} 48. Rd5 Ne4+ 49. Ke7 Rc1 50. Rxf5 Rxc4 $11) 48. c5 Ne4+ (48... Nc4 $15 49. Rxh4 Kb5) 49. Kxf5 $11 {The position is equal.} Nxc5 50. Rxh4 Nd7 51. Bd8 Rc5+ 52. Kf4 Rc4+ (52... Kb5 {seems wilder.} 53. Rh1 Rc4+ 54. Kf5 Nc5 55. Re1 Rc3) 53. Ke3 Rxh4 54. Bxh4 {KB-KN} Kb5 55. Bd8 Ne5 56. Kd2 Nc6 57. Bc7 Nxa5 58. Bxa5 Kxa5 {KP-K} 59. Kc3 ( 59. Kc1 {with more complications.} Ka4 60. Kb2 Kb5 61. Kc2 Kc4 62. Kb2) 59... Ka4 60. Kb2 $1 a5 {[%CAl Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 61. Ka2 (61. Ka1 { feels hotter.} Kb5 62. Kb2 Kc4 63. Ka2 Kd5 64. Ka1) 61... Kb4 62. Kb2 a4 63. Ka2 a3 64. Ka1 Kb3 65. Kb1 a2+ 66. Ka1 Ka3 {Never resign too early! Weighted Error Value: White=0.36/Black=0.32} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.7"] [White "Lei, Tingjie"] [Black "Badelka, Olga"] [Result "1-0"] [ECO "B69"] [WhiteElo "2505"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "71"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 25,71,37,61,22,32,0,40,18,25,-29,31,26,33,6,14,0,16,16,18,14,19,-205, -201,-193,-191,-178,-165,-164,-150,-139,-125,-422,-54,-574,11,35,375,368,1467, 1432,1195,1114,797,746,656,108,66,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Qb6 13. f5 O-O-O 14. Bd3 {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} Kb8 15. Rhf1 {[#]} Rc8 $146 ({ Predecessor:} 15... Bc8 16. g4 Rdg8 17. h3 h5 18. Rg1 hxg4 19. Rxg4 Rd8 20. a4 Ne5 21. Nxe5 dxe5 22. fxe6 fxe6 23. axb5 axb5 {0-1 (41) Golubka,P (2373) -Greenfeld,A (2568) Gothenburg 2016}) 16. Ne2 Ne5 17. Ned4 ({White should play } 17. Nf4) 17... Nxf3 (17... b4 $11) 18. Nxf3 $14 e5 19. Rc1 Bc6 20. Qe2 d5 21. exd5 Bxd5 22. Nd2 Rhd8 23. Be4 $2 {[#]} (23. Rfd1 $11) 23... Bxa2+ $1 $19 { [%mdl 576] Decoy} 24. Kxa2 {Threatens to win with Rcd1.} Qa5+ {[%mdl 64] Double Attack} 25. Kb1 {Black must now prevent Nb3.} Rxd2 26. Qe3 Rd4 {Hoping for ...Rcc4.} 27. c3 Ra4 {And now ...Bc5 would win.} 28. Rfd1 $2 {[%mdl 8192]} (28. Bd5 $17) 28... Bc5 $2 (28... b4 $1 $19 {[%CAl Rb4b3]} 29. c4 (29. Rd7 $2 Ra1+ 30. Kc2 Qa4+ {[%mdl 64] Double Attack} 31. Kd2 Qxd7+ $19) 29... Ra1+ 30. Kc2 Rxc4+ 31. Kd2 Bc5 $1 {[%mdl 512]} 32. Rxa1 Bxe3+ 33. Kxe3 Qc5+ 34. Kf3 Kc7 {[%mdl 64] Decoy}) 29. Qd3 $2 {[%mdl 8192] [#]} (29. Qf3 $1 $15) 29... Bb6 $2 ( 29... Bd4 $1 $19 {[%mdl 512]} 30. Bf3 Ra1+ 31. Kc2 {[#]} Rxc3+ $3 {[%mdl 512]} 32. Qxc3 Rxc1+ 33. Rxc1 Bxc3 34. bxc3 Qa2+ 35. Kd1 Qc4) 30. Qd6+ $11 Bc7 $2 { [%mdl 8192]} ({Black should try} 30... Rc7 $1 $14) 31. Qc6 $18 {[%csl Ge4] [%CAl Rc6b7]} Ra1+ $2 (31... Rxe4 32. Qxe4 Qa4 33. Qxa4 bxa4) 32. Kc2 {[%csl Ge4][%CAl Rc6b7]} Qa4+ 33. b3 {[%csl Ge4][%CAl Rc6b7]} Rxc1+ 34. Kxc1 {[%csl Ge4][%CAl Rc6b7]} Qa1+ 35. Kd2 $2 (35. Kc2 $18 {[%csl Ge4][%CAl Rc6b7] and the rest is easy.} Qxc3+ 36. Qxc3) 35... Rd8+ $16 36. Ke3 {[%mdl 32768] Never resign too early! Weighted Error Value: White=0.99/Black=0.89. Sensor Board Error (Ke4/e5)?} (36. Bd5 $1 $14 Rxd5+ 37. Qxd5 Qb2+ 38. Kd3) 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.8"] [White "Abdumalik, Zhansaya"] [Black "Gukesh D"] [Result "0-1"] [ECO "B12"] [WhiteElo "2472"] [BlackElo "2578"] [Annotator "TA"] [PlyCount "124"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,124,19,19,24,14,14,3,20,17,22,6,15,0,14,2,11,0,6,0,13,-36,-21,-21, -21,-71,-22,-62,-30,-91,-92,-98,-98,-88,-33,-45,-30,-81,0,-12,0,0,0,0,0,0,15,2, 12,0,28,25,40,22,19,0,0,-177,-175,-191,-197,-203,-203,-204,-78,-255,-256,-256, -179,-537,-534,-450,-488,-552,-541,-662,-583,-633,-582,-1075,-984,-2577,-2417, -1622,-795,-1494,-1352,-1133,-700,-1175,-1004,-752,0,-622,-612,-374,-374,-2308, -1337,-5189,-2484,-29973,-29974,-29974,-29973,-29972,-29973,-29975,-29977, -29978,-29978,-29978,-29978,-29978,-29979,-29979,-29978]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 {B12: Caro-Kann: Advance Variation.} 7. c3 Nc8 $5 {[%mdl 4] [#] Exploring less charted territory.} 8. Bd3 $146 ({ Predecessor:} 8. Bg5 Qc7 9. Nh4 Be4 10. f3 Bg6 11. Nxg6 hxg6 12. Be3 Be7 13. f4 Bh4+ 14. Kd2 {1/2-1/2 (72) Abergel,T (2547)-Svetushkin,D (2554) France 2010}) 8... Bxd3 {The position is equal.} 9. Qxd3 Be7 10. h4 h6 11. Bf4 Ncb6 12. a4 Nc4 13. Qc2 a5 14. Nbd2 b5 15. b3 Nxd2 16. Bxd2 Nb6 17. g3 Qd7 18. O-O O-O 19. Nh2 (19. axb5 $11 {remains equal.} cxb5 20. Rfb1) 19... bxa4 $17 20. bxa4 Nc4 21. Bc1 f5 (21... c5 $17) 22. exf6 $15 Bxf6 23. Ng4 (23. Ba3 $11 {keeps the balance.} Nxa3 24. Rxa3) 23... Kh8 (23... e5 $17 24. Ne3 exd4 25. Nxc4 dxc4 26. cxd4 Qxd4) 24. Qg6 Qe8 25. Qxe8 Raxe8 26. Rb1 e5 27. dxe5 Nxe5 28. Nxf6 Rxf6 29. Be3 Nf3+ 30. Kg2 Re4 31. Rb8+ Kh7 32. Ra1 Rc4 $1 33. Ra3 $2 {[#]} (33. h5 $11) 33... Ne1+ $1 $19 34. Kh3 Nc2 35. Rab3 Nxe3 ({Inferior is} 35... Rxa4 36. Bf4 $15) 36. fxe3 {[#]} Rxa4 {[%mdl 4096] Endgame KRR-KRR} (36... Re6 $1 $19 { and Black stays clearly on top.} 37. Ra8 Rxa4) 37. Ra8 $2 (37. Re8 $17) 37... h5 38. Rbb8 Rg4 39. Rf8 $2 (39. Kg2 {is a better chance.}) 39... Rxf8 40. Rxf8 {KR-KR} Rc4 41. Ra8 Rxc3 42. Rxa5 {If only White now had time for e4....} Rxe3 43. Rc5 Re6 44. g4 Kg6 45. gxh5+ Kxh5 46. Kg3 Rg6+ (46... g5 $142 47. hxg5 Kxg5 ) 47. Kh3 Rf6 48. Kg3 Kg6 49. Kg4 Kf7 50. Ra5 Kg6 $2 (50... d4 $19 51. Ra7+ Ke6 ) 51. h5+ $2 {[%mdl 8192]} (51. Rc5 $11 d4 52. Rg5+ Kh7 53. Rh5+ Rh6 54. Rf5) 51... Kh6 52. Ra8 {[%CAl Ra8h8]} g6 53. Rh8+ $2 (53. hxg6 Kxg6 54. Ra7) 53... Kg7 54. Rd8 gxh5+ 55. Kxh5 Kf7 {Black mates.} 56. Kg5 Ke6 57. Rc8 Ke5 58. Rd8 Rf1 59. Rc8 Kd6 60. Kg4 Kc5 61. Kg3 d4 62. Kg2 Rf7 {Weighted Error Value: White=0.75/Black=0.34} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.9"] [White "Shuvalova, Polina"] [Black "Yoo, Christopher Woojin"] [Result "0-1"] [ECO "C03"] [WhiteElo "2489"] [BlackElo "2457"] [Annotator "TA"] [PlyCount "56"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,56,10,22,-2,35,29,27,31,42,28,58,-26,29,-21,-11,0,0,-42,-55,-101,-55, -125,-122,-318,-316,-322,-323,-275,-97,-1097,-1079,-1044,-1027,-29991,-29992, -29993,-29994,-29994,-29995,-29995,-29996,-29998,-29999]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. exd5 exd5 7. Ngf3 O-O 8. O-O Bxc5 9. Nb3 { C03: French Tarrasch: Unusual Black 3rd moves.} Be7 10. h3 Nc6 11. Re1 { White has an edge.} Re8 12. c3 {[#]} Ne4 $146 ({Predecessor:} 12... Be6 13. Nbd4 Nxd4 14. Nxd4 Bc5 15. Be3 b6 16. Bc2 h5 17. Qd3 g6 18. Bg5 Be7 19. Nxe6 { 1-0 (27) Smal,T (1928)-Los,K (1388) Koszalin 2013}) 13. c4 (13. Nbd4 $14) 13... Bb4 (13... Bf5 $142) 14. Rf1 (14. Bg5 $5 f6 15. Bd2 $14) 14... dxc4 15. Bxc4 Qf6 16. a3 Bf8 17. Re1 Bf5 18. Nbd2 ({White should try} 18. Be3 $1 $15) 18... Rad8 $17 {Strongly threatening ...Bc5.} 19. Qa4 $2 {[#]} (19. Re2 $17) 19... Nxf2 $1 $19 {[%mdl 512]} 20. Kxf2 {And now Rxe8 would win.} ({Reject} 20. Rxe8 Rxe8 21. Qb5 {[#]} a6 $1) 20... Bc5+ 21. Kf1 Qd6 $2 (21... Rxe1+ $19 {is more deadly.} 22. Kxe1 Nd4 23. Nxd4 Qh4+ 24. Kd1 Qxd4 25. Bxf7+ Kxf7 26. Qxd4 Bxd4) 22. Rxe8+ $4 {[%mdl 8192]} (22. Ne4 $17 Bxe4 23. Rxe4 Rxe4 24. Bxf7+ Kxf7 25. Qxe4 Qd1+ 26. Qe1) 22... Rxe8 {[%CAl Bd8e8,Be8e4,Be4e3,Be3e1][%mdl 32]} 23. Qb5 a6 24. Qb3 Qg3 {[%csl Gc5][%CAl Rg3f2] Black mates.} 25. Bxf7+ Kh8 {[%csl Gc5] [%CAl Rg3f2]} 26. Ne4 Rxe4 {[%csl Gc5][%CAl Rg3f2]} 27. Be3 Rxe3 28. Qd5 {[#]} Re1+ $3 {[%mdl 512] Weighted Error Value: White=0.76/Black=0.20} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "1.10"] [White "Mammadzada, Gunay"] [Black "Saduakassova, Dinara"] [Result "0-1"] [ECO "E11"] [WhiteElo "2443"] [BlackElo "2500"] [Annotator "TA"] [PlyCount "96"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,96,0,0,0,0,16,-64,-64,-34,-12,-11,-11,-63,-67,-101,-101,-107,-81,-95, -80,-71,-9,-8,-8,-6,0,-9,0,-9,-10,-14,-1,-1,-1,-29,-18,-29,-33,-28,-28,-23,-22, -47,358,368,362,346,329,0,-10,-231,-226,-233,-233,-233,-231,-233,-233,-235, -216,-235,-218,-283,-222,-352,-307,-532,-484,-395,-489,-443,-426,-375,-329, -442,-239]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O c6 8. Qb3 b6 9. Nc3 Bb7 10. Rfd1 Nbd7 11. Rac1 Rc8 {[#]} 12. Bf4 $146 ({ Predecessor (3):} 12. Ne1 c5 13. cxd5 cxd4 14. d6 Bxg2 15. dxe7 Qxe7 16. Nxg2 Nc5 17. Qa3 dxc3 18. Bxc3 Rfd8 19. Rxd8+ Rxd8 20. Bb4 {1/2-1/2 (33) Wojtaszek, R (2749)-Yu,Y (2764) Shenzhen 2018}) 12... Nh5 {E11: Bogo-Indian.} 13. Bd2 Nhf6 14. Ne5 (14. a3 $11) 14... Nxe5 $15 {Black is slightly better.} 15. dxe5 Nd7 16. cxd5 cxd5 17. Bf4 (17. Nb5 $11) 17... g5 18. Be3 Nxe5 19. Nb5 Rxc1 20. Rxc1 Nc4 21. Nxa7 Nxe3 ({Black should try} 21... Qd7 $17 {Threatens to win with ... Ba6.} 22. Nb5 Nxe3 23. fxe3 Rc8 24. Rxc8+ Qxc8) 22. Qxe3 $11 Bc5 23. Qe5 Bd6 24. Qe3 Bc5 25. Qe5 h6 26. a3 Qb8 27. Qxb8 Rxb8 28. b4 Bd6 29. Nb5 Be5 30. e3 Ba6 31. Nd4 {And now Nc6 would win.} Ra8 32. Rc3 Bc4 $2 {[%mdl 8192] [#]} ( 32... g4 $15) 33. Rxc4 $1 $18 {[%mdl 576] Pin} Rxa3 34. Rc8+ Kg7 {If only Black now had time for ...Bxd4....} 35. Bf3 $2 (35. b5 $18) 35... Bxd4 $11 36. exd4 $2 (36. Bh5 $11 {and White is okay.} Be5 37. Rc6) 36... Rxf3 {[%mdl 4096] Endgame KR-KR} 37. Rc6 Rd3 38. Rxb6 Rxd4 39. Kf1 Rd2 40. b5 Rb2 41. Rb8 Kf6 42. b6 h5 43. Kg2 (43. Rb7 {is the only way for White.}) 43... Ke5 44. Kf3 $2 {[#]} (44. Rh8 {keeps fighting.}) 44... g4+ $19 45. Ke3 Rb3+ 46. Kd2 Ke4 47. Kc2 Rb5 48. Rf8 f5 {Weighted Error Value: White=0.56/Black=0.32} (48... Rxb6 $142 49. Rxf7 e5) 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.1"] [White "Keymer, Vincent"] [Black "Saduakassova, Dinara"] [Result "1-0"] [ECO "E15"] [WhiteElo "2591"] [BlackElo "2500"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,85,0,8,20,17,7,13,0,0,-15,37,-20,0,0,65,65,66,62,66,66,101,93,116, 131,235,212,238,245,258,256,264,252,261,260,257,251,272,277,276,269,277,270, 266,276,284,275,264,281,483,478,496,489,482,414,414,392,457,440,445,444,515, 470,515,515,489,489,489,481]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. cxd5 exd5 9. Nc3 O-O 10. O-O Re8 11. Ne5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Bb7 {[#]} 12. h4 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 12. Bg5 Nbd7 13. e3 h6 14. Bxf6 Nxf6 15. Rc1 c6 16. Qc2 Nd7 17. Nd3 a5 18. Qb2 Ba6 {1/2-1/2 (80) Nakamura,H (2736)-Martirosyan,H (2622) Chess.com INT 2020}) 12... Nbd7 13. Bf4 {The position is equal.} Nf8 14. e3 c5 (14... Ne6 $11) 15. Ng4 ({White should try} 15. dxc5 $14 Bxc5 16. Nd3) 15... Rc8 16. dxc5 bxc5 ({Black should play} 16... Rxc5 $11 17. Rc1 Ne4 18. Nxe4 dxe4) 17. Rc1 $14 Ne4 18. Nxe4 dxe4 19. Ne5 Ne6 {Black is now going downhill.} 20. Qc2 Nxf4 21. exf4 Bf6 {[#]} (21... Bd6 $16) 22. Rfd1 $1 $18 {[%CAl Rd1d8]} (22. Bxe4 $6 Bxe4 23. Qxe4 Bxe5 $16) 22... Qb6 {[#]} 23. Nc4 {[%CAl Rc4b6]} (23. Bxe4 Bxe5 24. fxe5 (24. Bxh7+ Kf8 $17) 24... Rxe5 $14) 23... Qa6 {intending ...Bd4.} 24. Nd6 Bd4 25. Nxc8 Bxc8 26. Bxe4 g6 27. Re1 Qa5 28. Kg2 Bb7 {With the idea ...Rxe4.} 29. f3 Ba6 30. Red1 Kg7 31. Rb1 {[%CAl Bc1b1,Bb1e1,Be1e2][%mdl 32]} Qb6 32. Bd3 Bb7 33. Re1 Qc6 ( 33... Rd8 {was called for.} 34. h5 Qd6) 34. Be4 Rxe4 35. Rxe4 ({Weaker is} 35. fxe4 Qe6 $18) ({Not} 35. Qxe4 Qxe4 36. Rxe4 Bxe4 $18) 35... Qd6 36. Rbe1 Bxe4 37. Qxe4 {[%mdl 4096] Endgame KQR-KQB} ({But not} 37. fxe4 Qc6 $18) 37... Qa6 38. Qe2 {White is clearly winning.} Qa3 39. Qc2 Qb4 40. Re2 a5 41. f5 Qb7 42. fxg6 hxg6 43. h5 {Weighted Error Value: White=0.09/Black=0.26} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.2"] [White "Yoo, Christopher Woojin"] [Black "Mammadzada, Gunay"] [Result "0-1"] [ECO "D10"] [WhiteElo "2457"] [BlackElo "2443"] [Annotator "RC"] [PlyCount "144"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:02]} c6 {[%emt 0: 00:02]} 3. Nc3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 4. cxd5 {[%emt 0:00:02]} cxd5 {[%emt 0:00:02]} 5. Bf4 {[%emt 0:00:01]} Nc6 {[%emt 0:00:05]} 6. e3 { [%emt 0:00:01]} Bg4 {[%emt 0:00:06]} 7. Qb3 {[%emt 0:00:13]} Na5 {[%emt 0:00: 01]} 8. Qa4+ {[%emt 0:00:02]} Bd7 {[%emt 0:00:03]} 9. Qc2 {[%emt 0:00:01]} e6 { [%emt 0:00:07]} 10. Nf3 {[%emt 0:00:02]} Be7 {[%emt 0:00:24]} 11. Bd3 {[%emt 0: 00:02]} Nh5 {[%emt 0:00:57]} 12. Be5 {[%emt 0:02:55]} f6 {[%emt 0:00:12]} 13. Bg3 {[%emt 0:00:57]} f5 {[%emt 0:01:21]} 14. O-O {[%emt 0:00:51]} Rc8 {[%emt 0: 00:41]} 15. Ne5 {[%emt 0:00:44]} O-O {[%emt 0:00:07]} 16. Qe2 {[%emt 0:00:24]} Be8 {[%emt 0:00:40]} 17. Rac1 {[%emt 0:01:05]} a6 {[%emt 0:00:33]} 18. Rc2 { [%emt 0:00:07]} Bd6 {[%emt 0:00:09]} 19. Rfc1 {[%emt 0:00:56]} Nxg3 {[%emt 0: 00:21]} 20. hxg3 {[%emt 0:00:02]} Bxe5 {[%emt 0:00:37]} 21. dxe5 {[%emt 0:00: 02]} Nc6 {[%emt 0:00:01]} 22. Na4 {[%emt 0:00:33]} Rb8 {[%emt 0:01:07]} 23. Nc5 {[%emt 0:00:30]} Qe7 {[%emt 0:00:04]} 24. Nxa6 {[%emt 0:01:03]} bxa6 {[%emt 0: 00:17]} 25. Rxc6 {[%emt 0:00:02]} Bxc6 {[%emt 0:00:01]} 26. Rxc6 {[%emt 0:00: 00]} Rfc8 {[%emt 0:01:48]} 27. Rxa6 {[%emt 0:00:07]} Rc1+ {[%emt 0:00:02]} 28. Kh2 {[%emt 0:00:02]} Qg5 {[%emt 0:01:29]} 29. Ra4 {[%emt 0:00:26]} Rbc8 { [%emt 0:00:20]} 30. Rh4 {[%emt 0:00:57]} Ra1 {[%emt 0:00:03]} 31. Qh5 {[%emt 0: 00:21]} Qxh5 {[%emt 0:00:12]} 32. Rxh5 {[%emt 0:00:00]} Rcc1 {[%emt 0:00:02]} 33. g4 {[%emt 0:00:01]} g6 {[%emt 0:00:04]} 34. Rg5 {[%emt 0:00:11]} Kf7 { [%emt 0:00:17]} 35. gxf5 {[%emt 0:00:02]} exf5 {[%emt 0:00:00]} 36. g4 { [%emt 0:00:12]} h6 {[%emt 0:00:24]} 37. e6+ {[%emt 0:00:02]} Kf6 {[%emt 0:00: 04]} 38. e7 {[%emt 0:00:05]} Kxe7 {[%emt 0:00:22]} 39. Rxg6 {[%emt 0:00:02]} Rh1+ {[%emt 0:00:02]} 40. Kg3 {[%emt 0:00:02]} Rhg1+ {[%emt 0:00:00]} 41. Kf3 { [%emt 0:00:09]} fxg4+ {[%emt 0:00:01]} 42. Kf4 {[%emt 0:00:11]} Rxa2 {[%emt 0: 00:03]} 43. Ke5 {[%emt 0:00:03]} Rxb2 {[%emt 0:00:03]} 44. Bf5 {[%emt 0:00:06]} h5 {[%emt 0:00:06]} 45. Re6+ {[%emt 0:00:04]} Kd8 {[%emt 0:00:04]} 46. Rh6 { [%emt 0:00:05]} Rxf2 {[%emt 0:00:12]} 47. Kd6 {[%emt 0:00:03]} Ke8 {[%emt 0:00: 05]} 48. Be6 {[%emt 0:00:04]} Kf8 {[%emt 0:00:06]} 49. Rg6 {[%emt 0:00:02]} Rf7 {[%emt 0:00:02]} 50. Bxd5 {[%emt 0:00:12]} Rgf1 {[%emt 0:00:09]} 51. Bxf7 { [%emt 0:00:07]} Kxf7 {[%emt 0:00:03]} 52. Rg5 {[%emt 0:00:01]} Rh1 {[%emt 0:00: 00]} 53. Ke5 {[%emt 0:00:01]} Rh3 {[%emt 0:00:07]} 54. Kf4 {[%emt 0:00:01]} Kf6 {[%emt 0:00:04]} 55. Rf5+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:01]} 56. Rg5+ { [%emt 0:00:01]} Kh6 {[%emt 0:00:00]} 57. Rg8 {[%emt 0:00:01]} Rf3+ {[%emt 0:00: 05]} 58. Ke4 {[%emt 0:00:00]} Rf7 {[%emt 0:00:15]} 59. Kd3 {[%emt 0:00:20]} Rg7 {[%emt 0:00:07]} 60. Rh8+ {[%emt 0:00:00]} Kg5 {[%emt 0:00:01]} 61. Ke2 { [%emt 0:00:01]} g3 {[%emt 0:00:11]} 62. Kf3 {[%emt 0:00:04]} Kh4 {[%emt 0:00: 00]} 63. Kg2 {[%emt 0:00:09]} Rf7 {[%emt 0:00:08]} 64. Kg1 {[%emt 0:00:10]} Rc7 {[%emt 0:00:08]} 65. e4 {[%emt 0:00:09]} Rc1+ {[%emt 0:00:03]} 66. Kg2 { [%emt 0:00:01]} Rc2+ {[%emt 0:00:00]} 67. Kf3 {[%emt 0:00:06]} Rf2+ {[%emt 0: 00:04]} 68. Ke3 {[%emt 0:00:01]} Rf7 {[%emt 0:00:07]} 69. Rg8 {[%emt 0:00:11]} Kh3 {[%emt 0:00:03]} 70. e5 {[%emt 0:00:01]} h4 {[%emt 0:00:01]} 71. Ke4 { [%emt 0:00:08]} g2 {[%emt 0:00:01]} 72. e6 {[%emt 0:00:22]} Rf1 {[%emt 0:00:01] } 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.3"] [White "Gukesh D"] [Black "Shuvalova, Polina"] [Result "1-0"] [ECO "E07"] [WhiteElo "2578"] [BlackElo "2489"] [Annotator "Shahid"] [PlyCount "165"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,165,7,0,0,0,0,0,0,0,0,0,0,16,7,-12,22,0,4,-59,-68,-109,0,-36,-3,-9, -3,-44,-23,-78,-22,-16,-17,-103,-112,-95,16,13,20,25,22,0,0,-14,0,-25,0,0,0,0, 0,0,0,0,33,0,13,0,10,9,9,0,0,0,0,0,1,0,7,5,17,0,87,86,100,68,75,79,97,92,100, 98,98,0,16,16,16,16,79,8,116,108,108,108,208,116,208,177,509,507,414,414,407, 407,29957,339,29958,29958,29958,29958,29961,29963,29960,29962,29954,12791,5503, 5638,29969,29970,29970,29974,29970,29971,29970,29975,29976,29976,29979,29979, 29980,29980,29980,29981,29981,29982,29982,29983,29983,29984,29983,29983,29985, 29986,29986,29987,29989,29989,29989,29990]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. c4 O-O 6. Nc3 Nbd7 7. b3 c6 8. O-O b6 9. Bb2 Ba6 {is now debated instead of 9...Bb7.} 10. Nd2 b5 {[%CAl Rb5c4] E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 11. c5 b4 12. Na4 Bb5 {The position is equal.} 13. Re1 Qc7 14. Qc2 Rfe8 15. a3 a5 {[#]} 16. Nf1 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 16. e3 Bf8 17. f4 g6 18. Bf3 h6 19. Bc1 Bg7 20. Nb2 Qb7 21. a4 Ba6 22. Nd1 {1/2-1/2 (32) Wang,H (2726)-Pridorozhni,A (2599) Khanty Mansiysk 2019}) 16... e5 17. dxe5 Nxe5 18. Ne3 (18. Nb6 $11 Rab8 19. Bd4) 18... Bxa4 $15 19. bxa4 Nfd7 ({Better is} 19... b3 $1 $17 {[%CAl Rb3c2]} 20. Qxb3 Bxc5) 20. Bd4 Bf6 21. Red1 Rab8 22. Bh3 h5 23. Kg2 (23. axb4 $11 axb4 24. Rab1) 23... bxa3 (23... Ng4 $17 {White must now prevent ...Bxd4.} 24. Nxg4 hxg4 25. Bxg4 Re4 26. Bxf6 Nxf6) 24. Rxa3 $11 Rb4 25. Bc3 (25. Bxd7 $11 Nxd7 26. Nf5) 25... Re4 $17 26. Bd4 Nc4 (26... Ng4 27. Bxg4 hxg4) 27. Nxc4 $11 Rxd4 28. Rxd4 Bxd4 29. Nd6 Rb8 30. Nf5 (30. Bxd7 $5 Qxd7 31. Rf3 $11) 30... Bf6 (30... Be5 { is interesting.} 31. Re3 Nf8 32. Qd2 g6 33. Nd4 Bh8) 31. Re3 {And now Ne7+ would win.} g6 32. Nd6 Ne5 33. f4 Nc4 34. Nxc4 dxc4 35. Qxc4 Kg7 (35... Rb4 { feels hotter.} 36. Re8+ Kg7 37. Qd3 Rd4 38. Qe3 Rxa4 39. Rc8 Qe7) 36. Qd3 (36. Rb3 {is more complex.} Rxb3 37. Qxb3 Qd8 38. Qd3 Qxd3 39. exd3 Bd4 40. Bd7) 36... Rd8 (36... Qa7 {is interesting.} 37. Qd6 Qb7 38. Bd7 Rd8 39. Rd3 Qb2) 37. Qc2 (37. Qb1 {seems wilder.} Bd4 38. Re4 Bxc5 39. Qa1+ f6 40. Be6) 37... Rd4 38. Rd3 Qd8 39. Kf1 (39. Rxd4 {with more complications.} Qxd4 40. Bc8 Be7 41. Bb7 Qd7 42. Ba6) 39... Qe7 40. Bg2 Rxd3 41. exd3 Bd4 {Threatens to win with ... Qe3.} 42. Be4 Bxc5 43. Qc3+ Kg8 44. Qxa5 Qd6 (44... f5 $1 $11 {keeps the balance.}) 45. Qc3 $1 $16 Bd4 46. Qxc6 (46. Qc4 {feels hotter.} Bb6 47. h4 Kg7 48. Qc3+ Bd4 49. Qxc6 Qb4 50. Qc2) 46... Qb4 {aiming for ...Qd2.} 47. Qc2 Qa3 48. Kg2 Kg7 49. Bd5 Qa1 50. Kh3 (50. h4 $1 $16) 50... Qf1+ 51. Bg2 Qe1 { ( -> ...Qe6+)} 52. Qc4 Bb6 (52... Be3 $11) 53. Qe4 (53. d4 $1 $16) 53... Qa5 ( 53... Qd1 $1 $11 {remains equal.} 54. Bh1 Qg4+ 55. Kg2 h4) 54. Qe5+ {Black is now going downhill.} Qxe5 55. fxe5 {[%mdl 4096] Endgame KB-KB} Kf8 {[#]} (55... g5 $16 {was worth a try.} 56. Bf3 Kg6) 56. Bd5 ({White should play} 56. g4 $1 $18) 56... Ke7 (56... Bc7 $16 {is a better defense.}) 57. g4 $18 Bc7 $2 {[#]} ( 57... hxg4+ {is more resistant.} 58. Kxg4 Bg1) 58. gxh5 $1 gxh5 59. Kh4 Bxe5 60. h3 f5 (60... Bc7 $18 61. Kxh5 Kf6) 61. Kxh5 $2 (61. a5 {mates} Kf6 62. Kxh5 Bh2 63. a6 Bg1 64. h4 Be3 65. Bc6 Bg1 66. Kh6) 61... Kf6 $2 (61... Kd6 $18 62. Bb7 Bc3) 62. a5 Bd4 63. a6 Be3 64. Bc6 Bf2 65. Kh6 Bd4 66. Kh7 (66. h4 $142 Be3+ 67. Kh7 Ke7 68. Bf3 Kf7 69. h5 Kf6 70. Kg8 Kg5 71. Kf7) 66... Kg5 67. Kg8 Kh4 68. Bd7 {White mates.} f4 69. Bg4 Kg3 70. Kf7 f3 {[#]} 71. Bxf3 $1 { [%mdl 512]} Kxf3 {KB-K3P} (71... Kxh3 72. Ke6) 72. Ke6 Kg3 73. Kd5 Ba7 74. Kc6 Kxh3 {KB-KPP} 75. Kb7 Bd4 76. a7 Bxa7 77. Kxa7 {KP-K} Kg4 78. Kb6 Kf5 79. d4 Kf6 80. Kc6 Ke7 81. d5 Ke8 82. Kc7 Ke7 83. d6+ {Weighted Error Value: White=0. 18/Black=0.47} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.4"] [White "Badelka, Olga"] [Black "Abdumalik, Zhansaya"] [Result "1-0"] [ECO "A31"] [WhiteElo "2418"] [BlackElo "2472"] [Annotator "RC"] [PlyCount "101"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:02]} c5 { [%emt 0:00:10]} 3. Nc3 {[%emt 0:00:04]} b6 {[%emt 0:00:07]} 4. e4 {[%emt 0:00: 11]} d6 {[%emt 0:00:02]} 5. d4 {[%emt 0:00:01]} cxd4 {[%emt 0:00:02]} 6. Nxd4 { [%emt 0:00:01]} Bb7 {[%emt 0:00:01]} 7. f3 {[%emt 0:00:01]} e6 {[%emt 0:00:04]} 8. Be3 {[%emt 0:00:05]} Be7 {[%emt 0:00:04]} 9. Be2 {[%emt 0:00:11]} O-O { [%emt 0:00:12]} 10. O-O {[%emt 0:00:03]} a6 {[%emt 0:00:02]} 11. Qd2 {[%emt 0: 00:06]} Nbd7 {[%emt 0:00:02]} 12. a4 {[%emt 0:00:07]} Qc7 {[%emt 0:00:11]} 13. a5 {[%emt 0:00:52]} bxa5 {[%emt 0:00:14]} 14. Nb3 {[%emt 0:00:01]} Rab8 { [%emt 0:00:05]} 15. Nxa5 {[%emt 0:00:50]} Ba8 {[%emt 0:00:04]} 16. Rfb1 { [%emt 0:00:47]} Rfd8 {[%emt 0:00:47]} 17. b4 {[%emt 0:01:36]} d5 {[%emt 0:00: 10]} 18. exd5 {[%emt 0:00:50]} Bxb4 {[%emt 0:00:25]} 19. Rxb4 {[%emt 0:01:16]} Rxb4 {[%emt 0:00:02]} 20. Nb5 {[%emt 0:00:01]} Rxb5 {[%emt 0:01:41]} 21. cxb5 { [%emt 0:00:02]} Nxd5 {[%emt 0:00:03]} 22. bxa6 {[%emt 0:00:44]} Nxe3 {[%emt 0: 00:51]} 23. Qxe3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:04]} 24. Nc4 {[%emt 0:00:55]} Nd5 {[%emt 0:00:10]} 25. Qf2 {[%emt 0:00:03]} h5 {[%emt 0:01:07]} 26. Ne3 { [%emt 0:00:25]} Nf4 {[%emt 0:00:44]} 27. Bf1 {[%emt 0:00:39]} Nd3 {[%emt 0:00: 11]} 28. Bxd3 {[%emt 0:01:06]} Rxd3 {[%emt 0:00:02]} 29. Nf1 {[%emt 0:00:12]} Rc3 {[%emt 0:00:13]} 30. a7 {[%emt 0:00:14]} Rc2 {[%emt 0:00:25]} 31. Qd4 { [%emt 0:00:03]} e5 {[%emt 0:00:22]} 32. Qb4 {[%emt 0:00:15]} Kh7 {[%emt 0:00: 04]} 33. Ng3 {[%emt 0:00:12]} g6 {[%emt 0:00:23]} 34. h3 {[%emt 0:00:10]} Qc6 { [%emt 0:00:51]} 35. Ne4 {[%emt 0:00:11]} Kg7 {[%emt 0:00:39]} 36. Qb8 {[%emt 0: 00:20]} Qd5 {[%emt 0:00:05]} 37. Kh2 {[%emt 0:00:08]} h4 {[%emt 0:00:03]} 38. Qb6 {[%emt 0:00:11]} Rc6 {[%emt 0:00:10]} 39. Qb8 {[%emt 0:00:01]} Rc2 { [%emt 0:00:05]} 40. Qb6 {[%emt 0:00:05]} Rc6 {[%emt 0:00:59]} 41. Qf2 {[%emt 0: 00:02]} f5 {[%emt 0:00:07]} 42. Ng5 {[%emt 0:00:03]} Rc4 {[%emt 0:00:08]} 43. Qb6 {[%emt 0:00:11]} Kh6 {[%emt 0:00:13]} 44. Qf6 {[%emt 0:00:06]} Rc7 { [%emt 0:00:39]} 45. Ra6 {[%emt 0:00:01]} Qg8 {[%emt 0:00:28]} 46. Qxe5 { [%emt 0:00:07]} Rc4 {[%emt 0:00:07]} 47. Qf6 {[%emt 0:00:07]} Rc7 {[%emt 0:00: 11]} 48. Ne6 {[%emt 0:00:02]} Rc4 {[%emt 0:00:02]} 49. f4 {[%emt 0:00:06]} Bf3 {[%emt 0:00:10]} 50. Qxh4+ {[%emt 0:00:14]} Bh5 {[%emt 0:00:08]} 51. a8=Q { [%emt 0:00:05]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.5"] [White "Salimova, Nurgyul"] [Black "Lei, Tingjie"] [Result "1/2-1/2"] [ECO "E06"] [WhiteElo "2395"] [BlackElo "2505"] [Annotator "RC"] [PlyCount "146"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:04]} d5 { [%emt 0:00:02]} 3. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:01]} 4. g3 {[%emt 0:00: 03]} Be7 {[%emt 0:00:01]} 5. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:01]} 6. Nc3 { [%emt 0:00:10]} dxc4 {[%emt 0:00:01]} 7. Ne5 {[%emt 0:00:04]} Qd6 {[%emt 0:00: 03]} 8. Nxc4 {[%emt 0:00:11]} Qa6 {[%emt 0:00:01]} 9. b3 {[%emt 0:00:12]} Nc6 { [%emt 0:00:02]} 10. O-O {[%emt 0:00:38]} Rd8 {[%emt 0:00:08]} 11. e3 {[%emt 0: 00:57]} e5 {[%emt 0:00:16]} 12. d5 {[%emt 0:01:00]} b5 {[%emt 0:01:11]} 13. Nd2 {[%emt 0:00:21]} b4 {[%emt 0:00:23]} 14. Na4 {[%emt 0:00:12]} Nxd5 {[%emt 0:00: 20]} 15. Qc2 {[%emt 0:00:07]} Be6 {[%emt 0:01:46]} 16. Bb2 {[%emt 0:00:18]} Rac8 {[%emt 0:00:03]} 17. Rac1 {[%emt 0:01:38]} Nc3 {[%emt 0:00:41]} 18. Nxc3 { [%emt 0:00:05]} bxc3 {[%emt 0:00:02]} 19. Bxc3 {[%emt 0:00:06]} Nb4 {[%emt 0: 00:38]} 20. Bxb4 {[%emt 0:00:10]} Bxb4 {[%emt 0:00:03]} 21. Nc4 {[%emt 0:00:07] } Bxc4 {[%emt 0:03:28]} 22. Qxc4 {[%emt 0:00:02]} Qxc4 {[%emt 0:00:03]} 23. Rxc4 {[%emt 0:00:01]} Ba5 {[%emt 0:01:20]} 24. Rc5 {[%emt 0:00:50]} Bb6 { [%emt 0:00:02]} 25. Rxe5 {[%emt 0:00:04]} Rd2 {[%emt 0:00:07]} 26. a4 {[%emt 0: 00:05]} a5 {[%emt 0:00:02]} 27. Bd5 {[%emt 0:00:30]} Kf8 {[%emt 0:00:10]} 28. Bc4 {[%emt 0:00:05]} Rcd8 {[%emt 0:00:08]} 29. Rf5 {[%emt 0:00:29]} f6 { [%emt 0:00:05]} 30. g4 {[%emt 0:00:10]} Ke7 {[%emt 0:00:39]} 31. Kg2 {[%emt 0: 00:31]} h6 {[%emt 0:00:08]} 32. h4 {[%emt 0:00:11]} R8d6 {[%emt 0:00:17]} 33. Kg3 {[%emt 0:01:04]} Rd1 {[%emt 0:00:04]} 34. Rxd1 {[%emt 0:00:17]} Rxd1 { [%emt 0:00:02]} 35. Rb5 {[%emt 0:00:26]} Ra1 {[%emt 0:00:15]} 36. Kf3 {[%emt 0: 00:07]} Ra2 {[%emt 0:00:12]} 37. g5 {[%emt 0:00:12]} hxg5 {[%emt 0:00:02]} 38. hxg5 {[%emt 0:00:01]} fxg5 {[%emt 0:00:07]} 39. Rxg5 {[%emt 0:00:04]} Kf6 { [%emt 0:00:01]} 40. Rb5 {[%emt 0:00:29]} Rb2 {[%emt 0:00:05]} 41. Rd5 {[%emt 0: 00:11]} Rb1 {[%emt 0:00:15]} 42. Rd8 {[%emt 0:00:05]} g5 {[%emt 0:00:05]} 43. Rf8+ {[%emt 0:00:05]} Kg7 {[%emt 0:00:02]} 44. Rf7+ {[%emt 0:00:05]} Kg6 { [%emt 0:00:08]} 45. Rxc7 {[%emt 0:00:52]} g4+ {[%emt 0:00:02]} 46. Kg2 { [%emt 0:00:02]} Bxc7 {[%emt 0:00:02]} 47. Bd3+ {[%emt 0:00:02]} Kg5 {[%emt 0: 00:01]} 48. Bxb1 {[%emt 0:00:00]} Bd6 {[%emt 0:00:01]} 49. Bd3 {[%emt 0:00:09]} Bb4 {[%emt 0:00:05]} 50. Kf1 {[%emt 0:00:12]} Kf6 {[%emt 0:00:06]} 51. Ke2 { [%emt 0:00:04]} Kg5 {[%emt 0:00:01]} 52. Be4 {[%emt 0:00:02]} Bc3 {[%emt 0:00: 05]} 53. Bb7 {[%emt 0:00:08]} Bb4 {[%emt 0:00:02]} 54. Bc8 {[%emt 0:00:06]} Bc3 {[%emt 0:00:04]} 55. Kf1 {[%emt 0:00:06]} Bb4 {[%emt 0:00:02]} 56. Kg2 { [%emt 0:00:03]} Bc3 {[%emt 0:00:06]} 57. Bd7 {[%emt 0:00:14]} Bb4 {[%emt 0:00: 03]} 58. Kg3 {[%emt 0:00:07]} Bd6+ {[%emt 0:00:01]} 59. f4+ {[%emt 0:00:04]} gxf3+ {[%emt 0:00:01]} 60. Kxf3 {[%emt 0:00:01]} Kf6 {[%emt 0:00:03]} 61. Ke4 { [%emt 0:00:02]} Ke7 {[%emt 0:00:01]} 62. Bg4 {[%emt 0:00:04]} Bc5 {[%emt 0:00: 02]} 63. Kd3 {[%emt 0:00:03]} Kd6 {[%emt 0:00:02]} 64. e4 {[%emt 0:00:02]} Ke5 {[%emt 0:00:01]} 65. Kc4 {[%emt 0:00:02]} Bb4 {[%emt 0:00:01]} 66. Bf5 { [%emt 0:00:03]} Be1 {[%emt 0:00:01]} 67. Kb5 {[%emt 0:00:04]} Bb4 {[%emt 0:00: 01]} 68. Kc4 {[%emt 0:00:04]} Be1 {[%emt 0:00:01]} 69. b4 {[%emt 0:00:02]} Bxb4 {[%emt 0:00:02]} 70. Kb5 {[%emt 0:00:03]} Be1 {[%emt 0:00:02]} 71. Kc4 { [%emt 0:00:02]} Bb4 {[%emt 0:00:00]} 72. Kb5 {[%emt 0:00:01]} Be1 {[%emt 0:00: 01]} 73. Kc4 {[%emt 0:00:00]} Bb4 {[%emt 0:00:02]} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.6"] [White "Liang, Awonder"] [Black "Bjerre, Jonas Buhl"] [Result "1-0"] [ECO "B23"] [WhiteElo "2592"] [BlackElo "2542"] [Annotator "TA"] [PlyCount "123"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,123,13,27,31,51,28,35,27,31,16,97,95,112,93,84,81,164,182,129,120, 130,72,85,0,0,0,0,-10,0,0,0,0,0,0,0,0,96,88,89,100,102,59,72,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,27,32,60,60,60,60,60,60,61,0,65,0,69,0,0,0,8,8,286, 45,56,0,0,0,8,8,357,339,12831,12832,6514,9389,12835,2503,12840,12840,12841, 12841,12841,12841,12841,12842,12842,12842,12842,12840]} 1. e4 c5 2. Nc3 d6 3. Bb5+ Nc6 4. f4 Nf6 5. Bxc6+ bxc6 6. Nf3 g6 7. O-O Bg7 8. d3 {B23: Closed Sicilian: Lines without g3.} Ba6 9. Kh1 O-O 10. Qe1 {White is slightly better.} c4 11. d4 {[#]} Qa5 $146 (11... Rb8 $11) ({Predecessor:} 11... Nd7 12. e5 c5 13. d5 Nb6 14. e6 f6 15. Be3 Bb7 16. Rd1 f5 17. Qh4 Bxc3 18. bxc3 Nxd5 19. Bxc5 dxc5 {0-1 (36) Setiabudi,A (1943)-Kiripitige,P Adelaide 2013}) 12. f5 $1 $16 gxf5 13. e5 dxe5 14. dxe5 Ng4 {[#]} (14... Nd5 $16 {keeps fighting.}) 15. Bf4 $1 $18 f6 16. exf6 exf6 17. Qe6+ (17. Qg3 $142) 17... Kh8 $16 18. Nd4 (18. Rae1 $16) 18... Qb6 $1 $11 {[%CAl Rb6d4]} 19. Qxf5 (19. Nxf5 $2 Bc8 $19) 19... Bc8 20. Qe4 f5 21. Qxc6 Qxd4 22. Qxa8 Nf2+ 23. Rxf2 $1 Qxf2 24. Qb8 Qxc2 (24... Ba6 $11 {remains equal.} 25. Qd6 (25. Qc7 Rc8 $11) 25... Bb7) 25. Be5 $16 Re8 26. Bxg7+ Kxg7 27. Qc7+ {[%mdl 64] Double Attack} Kh8 28. Qc6 ({Much weaker is} 28. Qxc4 Qd2 $11) ({Don't play} 28. Qf7 Rg8 $11) (28. Qxa7 $16 {And now Qd4+ would win.} Qxb2 29. Qd4+ {[%mdl 64] Double Attack} Kg8 30. Rg1) 28... Rg8 $1 $11 29. Re1 {White wants to mate with Qf6+.} Be6 30. Qb7 Qf2 {[%CAl Rf2e1]} 31. Rg1 f4 32. Qe7 Qe3 33. Qf6+ Rg7 34. Qf8+ Rg8 35. Qf6+ Rg7 36. Nb5 (36. h4 {is interesting.} Bg8 37. a3 Be6 38. h5 Bh3 39. Qd8+) 36... f3 37. Qxf3 Qxf3 38. gxf3 {[%mdl 4096] Endgame KRB-KRN} Rb7 39. Nd4 Bf7 (39... Bh3 {feels hotter.} 40. b3 Rd7 41. Ne2 cxb3 42. axb3 Rd3) 40. Rg2 c3 41. bxc3 Rb1+ 42. Rg1 Rxg1+ 43. Kxg1 {Strongly threatening a4.} Bxa2 $14 {KB-KN} 44. Kf2 (44. Nc6 $1 $14) 44... Kg7 ({Black should play} 44... a5 $11) 45. Ke3 (45. Nc6 $1 $14) 45... Kf6 (45... a5 $11) 46. Kd3 ({White should try} 46. Nc6 $1 $14) 46... Ke5 $11 47. c4 Kd6 48. Kc3 {Black must now prevent Kb4.} a5 {[%mdl 8192] [#]} (48... Ke5 $1 $11) 49. f4 $2 (49. Nb3 $1 $18 {aiming for Kb2.} a4 50. Nd2) 49... Bb1 50. Nb3 ({Better is} 50. Nc2 $1 $14 Ba2 51. Na3) 50... a4 51. Nd2 Bf5 52. Kb4 Bd7 $2 { [%mdl 8192]} (52... Bg6 $11 {and Black stays safe.}) 53. Ne4+ $18 Kc6 $2 (53... Ke7 54. Nc5 Bg4 55. Nxa4 Kf6) 54. Kxa4 {White is clearly winning.} Bf5 55. Ng3 Bg6 56. Kb4 (56. Kb3 $142 Kd6 57. Kc3) 56... h5 57. f5 Bf7 58. Ne4 Kd7 59. Kc5 Ke7 60. Kd4 Be8 61. c5 Bd7 62. Ke5 {Weighted Error Value: White=0.21/Black=0.36 } 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.7"] [White "Khademalsharieh, Sarasadat"] [Black "Praggnanandhaa R"] [Result "0-1"] [ECO "E68"] [WhiteElo "2494"] [BlackElo "2608"] [Annotator "TA"] [PlyCount "74"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,74,34,46,38,40,51,40,43,48,37,66,49,57,49,45,23,37,0,49,38,58,19,105, 68,118,41,69,66,96,104,128,71,66,36,31,7,26,20,114,90,91,90,82,72,92,62,80,85, 81,20,25,-639,-627,-1755,-1755,-1568,-1327,-1839,-1840,-5502,-2213]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 b6 9. Re1 { E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4.} exd4 10. Nxd4 Bb7 {[#] } 11. Be3 $146 {White is slightly better.} ({Predecessor:} 11. Bg5 Qc8 12. Qd2 Re8 13. Rad1 Nc5 14. f3 Ne6 15. Be3 Rd8 16. h3 Qd7 17. Kh2 {1/2-1/2 (73) Molina,F (2211)-Temporin,A (1942) Verona 2010}) 11... c6 12. h3 Qc7 13. Rc1 Rad8 14. Qc2 Rfe8 15. Rcd1 a6 16. f4 Re7 (16... b5 $5) 17. g4 h6 18. Nde2 Qb8 $2 (18... b5 $11) 19. Ng3 (19. Qd2 Ne8 20. e5 Nf8 (20... dxe5 21. f5 gxf5 22. gxf5) 21. f5 Bxe5 22. Bxh6) 19... b5 {[#]} 20. cxb5 (20. Qd2 $1 $16) 20... cxb5 (20... axb5) 21. a3 Ree8 22. Qf2 Ba8 23. Bf3 (23. Bd4 $142) 23... a5 $16 24. Ba7 Qb7 25. Rxd6 {White wants to play Bh1.} Bf8 26. Rdd1 Qc7 (26... Qxa7 $11 27. Qxa7 Bc5+ 28. Qxc5 Nxc5) 27. Be3 {Threatens to win with e5.} ({But not} 27. Nxb5 $6 Qxf4 28. Bd4 Ne5 $14) 27... b4 28. axb4 axb4 29. Nb5 Qb8 30. Nd4 Nc5 { [%CAl Rf6e4]} 31. e5 Nd5 32. Nc6 Bxc6 $11 33. Bxc5 $2 {[%mdl 8192] This move loses the game for White.} (33. Bxd5 $11 Bxd5 34. Bxc5) 33... Nxf4 $19 { Black is clearly winning.} 34. Kh2 Bxc5 {[%mdl 64] [#] Overworked Piece} 35. Qxc5 Bxf3 36. Rxd8 Rxd8 37. Rf1 Rd2+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.67/Black=0.20} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.8"] [White "Murzin, Volodar"] [Black "Mendonca, Leon Luke"] [Result "0-1"] [ECO "B23"] [WhiteElo "2502"] [BlackElo "2549"] [Annotator "TA"] [PlyCount "52"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,52,0,16,-9,-4,-4,-6,-17,31,0,-13,-28,55,-259,-241,-249,-256,-269,-263, -243,-147,-302,-296,-381,-365,-361,-370,-408,-418,-727,-656,-829,-647,-644, -642,-601,-622,-935,-932,-893,-854,-2463,-2329,-29989,-29976]} 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {B23: Closed Sicilian: Lines without g3.} Bh6 7. f4 Nf6 8. Bb2 {The position is equal.} e5 9. Nge2 O-O 10. O-O-O Nd4 {[#]} (10... Ng4 $11 11. Rg1 (11. Qxd6 Nf2 $15) 11... Be6) 11. Nxd4 $4 $146 { [%mdl 8192]} (11. Qe1 $14 {keeps the upper hand.}) ({Predecessor:} 11. Kb1 Bg4 12. g3 d5 13. Nxd5 Nxd5 14. exd5 Qxd5 15. Bxd4 exd4 16. Rg1 Rfe8 17. h3 { 0-1 (26) Gevorgyan,M (2228)-Shevchenko,K (2592) Chess.com INT 2020}) 11... Bxf4 $19 12. Qxf4 exf4 13. Ndb5 Be6 14. Nxd6 Qa5 {Strongly threatening ...Ng4.} 15. e5 $2 {This costs White the game.} (15. Be2 $17) 15... Ng4 ({Inferior is} 15... Qxe5 16. Nce4 $11) 16. Rd2 {[#]} Rac8 $1 17. Nce4 Ne3 {aiming for ...Rxc2+!} ({ Resist} 17... Qxa2 18. Nxc8 Rxc8 19. Nd6 $19) ({Worse is} 17... Nxe5 18. b4 $11 ) 18. Kb1 {[#]} Nxc2 $1 19. a4 (19. Bb5 $142 Bf5 20. Bc4 Bxe4 21. Nxe4 Na3+ 22. Bxa3 Qxa3 23. Rhd1) (19. Be2 Na3+) (19. Rxc2 Qe1+) 19... Ne3 20. Bc4 Nxc4 21. bxc4 Qxa4 22. Rc1 Rc6 23. Rd5 Bxd5 24. Nf6+ Kh8 25. e6 Bxe6 26. Nde4 Rb6 { Weighted Error Value: White=1.39/Black=0.23} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.9"] [White "Abdusattorov, Nodirbek"] [Black "Zhu, Jiner"] [Result "1/2-1/2"] [ECO "B52"] [WhiteElo "2634"] [BlackElo "2462"] [Annotator "TA"] [PlyCount "159"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,159,0,15,24,18,16,25,3,42,12,14,22,12,-6,24,0,17,0,0,0,0,-61,21,13,27, 10,42,4,4,0,41,38,227,234,214,16,31,34,87,80,88,90,155,152,151,172,153,33,12, -6,-2,-2,-2,-2,-1,-22,-24,-54,-52,-68,-68,-68,-54,-68,-49,-53,-53,-53,-53,-59, -54,-68,-59,-68,0,-68,-59,-68,0,-77,-68,-91,-62,-83,-83,-83,-68,-77,-68,-70,0, -77,0,-68,-67,-68,-68,-68,-67,-77,-68,-83,-47,-47,-47,-47,-36,-36,-9,-9,-9,-9, -9,-9,-9,-9,-9,-9,-9,-9,-2,-2,0,-9,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 Nf6 5. Nc3 g6 6. d4 { B52: Sicilian: Moscow Variation with 3...Bd7.} cxd4 7. Nxd4 Bg7 8. O-O { White has an edge.} O-O (8... Nc6 {seems wilder.} 9. Nb3 O-O 10. Qe2 Be6 11. h3 Rc8) 9. h3 a6 10. Bxd7 Nbxd7 11. b3 {[#]} Qa5 $146 ({Predecessor:} 11... Rc8 12. Bb2 Nc5 13. Re1 Nh5 14. g3 Nf6 15. Kg2 Nfd7 16. Qd2 Ne5 17. Re3 Nc6 18. Nxc6 bxc6 {1-0 (26) Ding,L (2799)-Garifullina,L (2406) chess24.com INT 2021}) 12. Bb2 Rfc8 13. Rc1 {[%CAl Ba1c1,Bc1c3,Bc3e3][%mdl 32]} b5 14. Nd5 Nxd5 15. exd5 (15. cxd5 $11 Qxa2 16. Nc6 $1) 15... Qxa2 ({Black should try} 15... bxc4 $1 $15 16. Nc6 Rxc6 $1 17. dxc6 Bxb2) 16. Bc3 $11 {aiming for Ra1.} Qa3 (16... bxc4 $2 17. Ra1 $18) 17. Nc6 Bxc3 18. Rxc3 Re8 19. Re3 bxc4 (19... Ne5 $5) 20. Nxe7+ Kf8 $2 {[#]} (20... Kg7 $14) 21. Qd4 $1 $18 {[%CAl Rd4h8]} f6 22. Rfe1 $2 (22. bxc4 $18 Qb4 23. Nc6) 22... Ne5 $1 $11 {[#]} 23. Qh4 $1 Kg7 ({Wrong is} 23... Rxe7 $2 24. Qxf6+ Ke8 25. Qh8+ Kf7 26. Qxa8 $18) (23... Kxe7 $14 24. f4 { [%mdl 64] Pin} h5) (23... Kxe7 24. f4) 24. bxc4 $16 Qc5 25. Nc6 {Rb1 is the strong threat.} Rf8 {[#]} (25... g5 $142 26. Qh5 Qxc4) 26. Nd4 $1 {[%CAl Rd4e6] } ({Stronger than} 26. Nxe5 fxe5 27. Rb1 Ra7 $15) 26... Kg8 27. Ne6 {[%mdl 64] Double Attack} Qxc4 28. f4 (28. Re4 $16 Qxd5 29. Nxf8 Rxf8 30. Rd4) 28... Rf7 $14 29. Qg3 $132 {[%mdl 2048] White is fighting back} Qxd5 30. fxe5 Qxe6 31. exd6 Qd5 32. Kh1 Rd8 33. Re6 Kg7 34. Qa3 a5 {[%CAl Ba6a5,Ba5a4][%mdl 32]} 35. Qg3 a4 36. Qa3 Qb3 37. Qc5 a3 38. R6e3 Qb8 39. Qxa3 Qxd6 40. Qc3 Qd4 41. Qc6 Qd6 (41... h5 $15) 42. Qf3 (42. Qc3 $1 $11) 42... Qd5 43. Qg3 Qd6 ({Better is} 43... Qc5 $15) 44. Qh4 (44. Qf3 $1 $11) 44... Rdd7 45. Rf1 Qd4 46. Re4 Qd3 47. Rfe1 Qc2 48. R4e2 Qb3 49. Re3 Qc2 50. R3e2 $1 {[%CAl Re2c2]} Qb3 (50... Qc5 $17 ) 51. Kh2 (51. Re3 $1 $11 Qb7 52. Qf4) 51... Rd1 52. Qf4 Rxe1 53. Rxe1 $15 { [%mdl 4096] Endgame KQR-KQR} Qd5 54. Re8 Rd7 (54... g5 {seems wilder.} 55. Qb4 h5 56. h4 g4 57. Re7 Qf5) 55. Qb8 Qd6+ (55... g5 {is interesting.} 56. Rh8 Qf7 57. Rc8 Qe6 58. Re8 Re7) 56. Qxd6 Rxd6 {KR-KR} 57. Re7+ Kh6 58. h4 g5 59. hxg5+ {The position is equal.} fxg5 60. g4 Kg6 61. Kg3 Rd3+ 62. Kg2 Rd4 63. Kf3 Rf4+ 64. Kg3 h6 65. Re6+ Rf6 (65... Kh7 {is more complex.} 66. Ra6 Rf7 67. Re6 Ra7 68. Rb6 Ra3+) 66. Re8 Rf4 67. Re6+ Rf6 (67... Kg7 {feels hotter.} 68. Ra6 Rb4 69. Ra7+ Kf6 70. Ra6+ Ke5) 68. Rxf6+ Kxf6 $11 {KPP-KP} 69. Kf3 Kf7 (69... Ke5 { looks sharper.} 70. Ke3 Kd5 71. Kd3 Ke5 72. Ke3) 70. Ke4 Ke6 71. Kd4 Kf6 { And now ...Kg6 would win.} (71... Kd6 $5) 72. Ke4 Kg6 73. Kf3 $1 Kf7 74. Ke4 Kf6 (74... Kg8 {keeps more tension.} 75. Kf3 Kf8 76. Ke4 Kg8) 75. Kf3 $1 Ke5 76. Ke3 Kd5 77. Kd3 Ke5 78. Ke3 Ke6 {( -> ...Ke5)} 79. Ke4 Kf6 80. Kf3 $1 { Weighted Error Value: White=0.22/Black=0.23} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "2.10"] [White "Yip, Carissa"] [Black "Nihal Sarin"] [Result "1/2-1/2"] [ECO "D77"] [WhiteElo "2430"] [BlackElo "2620"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,86,23,14,20,0,-4,-25,-4,-26,-26,-26,-25,-26,-24,-16,-16,-16,-12,-14, -13,-54,-8,-64,-60,-62,-62,-64,-64,-64,-62,-55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 {[%CAl Bb1a3,Ba3c4,Bc4e5][%mdl 32]} c5 8. Nxc4 Be6 {8...Be6 is better than 8...cxd4. D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} 9. Nce5 cxd4 10. Nxd4 Bd5 { Black has an edge.} 11. Ndf3 Nc6 12. Nxc6 Bxc6 {[#]} 13. Be3 $146 ({ Predecessor:} 13. Qb3 Ne4 14. Rd1 Qa5 15. Be3 Nd6 16. a4 Rfc8 17. Ng5 Bxg2 18. Rxd6 Qf5 19. Rd7 {0-1 (53) Taalaibekov,T (2181)-Savenkov,K (2325) Moscow 2016}) 13... Ng4 14. Bd4 Bxf3 15. exf3 {[#] aiming for Bxg7.} Bxd4 16. fxg4 Qb6 17. Qf3 Rac8 18. Qxb7 (18. Rae1 $11) 18... Qxb7 $15 19. Bxb7 Rb8 20. Bd5 Rxb2 21. Rad1 Bb6 22. Bb3 Rd8 (22... e6 $15) 23. Rxd8+ $11 {The position is equal.} Bxd8 {[%mdl 4096] Endgame KRB-KRB} 24. f4 Bb6+ 25. Kh1 Kg7 26. g5 f6 27. gxf6+ exf6 28. Rd1 h5 29. Rd7+ Kh6 30. h4 Rb1+ 31. Kg2 Rc1 32. Bg8 {[%csl Gg8][%CAl Rd7h7] [#]} (32. Kf3 {looks sharper.} Rc3+ 33. Kg2 f5 34. Rd6 Rc7 35. Kf3) 32... Rc7 33. Rxc7 Bxc7 {KB-KB} 34. Be6 g5 35. hxg5+ fxg5 36. fxg5+ Kxg5 37. Kf3 h4 38. gxh4+ Kxh4 39. Ke4 Kg5 40. Kd5 Kf6 41. Bd7 Bb6 42. Kc6 Ke7 43. Bg4 Kf6 { Weighted Error Value: White=0.07/Black=0.03} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.1"] [White "Nihal Sarin"] [Black "Keymer, Vincent"] [Result "1-0"] [ECO "B12"] [WhiteElo "2620"] [BlackElo "2591"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,91,-29,-20,-22,-10,-47,0,0,0,-13,0,-3,0,0,0,-26,-7,-15,-7,-76,-18,-9, -43,-47,-53,-89,15,21,16,11,11,11,22,9,180,186,185,70,248,236,855,855,808,825, 789,782,1031,1023,1002,964,964,947,859,602,594,582,5782,5737,12841,12841,12842, 12842,12843,12841,12840,1858,12839,12838,12837,12838,12841,12842,12840,12839, 12845,12845,12845,12846,12846,12845,12846,12847,12847,12847]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 6. e6 {B12: Caro-Kann: Advance Variation.} fxe6 7. h4 (7. f4 {with more complications.} Nf6 8. Nc3 Qd6 9. h4 h5 10. g5) 7... h5 (7... c5 {keeps more tension.} 8. Bb5+ Nc6 9. dxc5 e5 10. Qe2 Nf6) 8. Bd3 { The position is equal.} Bxd3 9. Qxd3 Qd6 $1 10. Ne2 {[#]} Nd7 $146 ({ Predecessor:} 10... e5 11. dxe5 Qxe5 12. Nbc3 Nd7 13. Qg6+ Kd8 14. Bg5 Ngf6 15. O-O-O Qd6 16. Nf4 hxg4 17. fxg4 {1-0 (40) Lamorelle,Y (2100)-Tan,Y (1541) Pattaya 2019}) 11. Bf4 e5 12. dxe5 Nxe5 {[%mdl 64] Double Attack} 13. Qc3 d4 $1 {[%CAl Rd4c3]} 14. Nxd4 {[#]} (14. Qb3 $1 $11 {remains equal.}) 14... Nxf3+ $1 15. Qxf3 $11 Qxd4 16. Nc3 e5 17. Bg5 {Rf1 is the strong threat.} hxg4 ({ Better is} 17... Qxg4 $17 18. Qd3) 18. Qf5 Ne7 19. Qe6 Qd7 {[%CAl Rd7e6]} 20. Qxe5 $40 {[%mdl 128] And now Rf1 would win. White mounts an attack.} Qf5 21. Qe3 {aiming for Rf1.} O-O-O $2 22. Rf1 $18 Qxc2 {[#]} (22... Qd7 23. Qxa7) ( 22... Qa5 23. Rd1) 23. Rf2 (23. Rd1 $1 $18 {[%CAl Rd1d8] Rxd8+ would kill now.} Rxd1+ 24. Nxd1) 23... Qg6 $2 (23... Qd3 $14) 24. Qxa7 ({Avoid the trap} 24. Bxe7 $2 Bxe7 25. Kf1 Bxh4 $19) 24... g3 $2 ({Not} 24... Qd6 $2 25. Bf4 $18) ( 24... Qe6+ 25. Kf1 Qc4+ 26. Kg2 Qa6 27. Qxa6 bxa6) 25. Qa8+ {White is clearly winning.} Kc7 {[#]} 26. Nb5+ $1 {[%mdl 512]} cxb5 27. Rc1+ Kd7 28. Rd2+ Ke6 29. Qxd8 {Hoping for Rd6+.} Kf7 30. Re2 g2 31. Rxg2 {Threatens to win with Re2.} Qe4+ 32. Re2 Qb4+ 33. Kf1 Rxh4 34. Rf2+ Kg6 35. Bxh4 Qxh4 36. Qd3+ Kh6 37. Qe3+ (37. Qd2+ $142 Qg5 38. Rh2+ Kg6 39. Rg2 Qxg2+ 40. Qxg2+ Kf6 41. Qxb7) 37... g5 38. Kg2 Qg4+ 39. Kh1 Ng6 40. Rg1 Qh5+ 41. Rh2 Nh4 {[#]} 42. Rxg5 $3 {[%mdl 576] Remove Defender} Qxg5 43. Rxh4+ $1 Kg6 44. Qe4+ Kf6 45. Rf4+ Kg7 46. Rg4 { Weighted Error Value: White=0.23/ Black=0.49} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.2"] [White "Zhu, Jiner"] [Black "Yip, Carissa"] [Result "1-0"] [ECO "C95"] [WhiteElo "2462"] [BlackElo "2430"] [Annotator "RC"] [PlyCount "79"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:03]} Nc6 { [%emt 0:00:02]} 3. Bb5 {[%emt 0:00:02]} a6 {[%emt 0:00:04]} 4. Ba4 {[%emt 0:00: 01]} Nf6 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:01]} Be7 {[%emt 0:00:00]} 6. Re1 { [%emt 0:00:02]} b5 {[%emt 0:00:06]} 7. Bb3 {[%emt 0:00:02]} O-O {[%emt 0:00:05] } 8. c3 {[%emt 0:00:03]} d6 {[%emt 0:00:03]} 9. h3 {[%emt 0:00:03]} Nb8 { [%emt 0:00:03]} 10. d4 {[%emt 0:00:02]} Nbd7 {[%emt 0:00:00]} 11. Nbd2 { [%emt 0:00:03]} Bb7 {[%emt 0:00:01]} 12. Bc2 {[%emt 0:00:06]} Re8 {[%emt 0:00: 02]} 13. Nf1 {[%emt 0:00:02]} Bf8 {[%emt 0:00:01]} 14. Ng3 {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 15. a4 {[%emt 0:00:02]} Bg7 {[%emt 0:00:05]} 16. Bd3 {[%emt 0: 00:11]} c6 {[%emt 0:00:02]} 17. Bg5 {[%emt 0:00:03]} h6 {[%emt 0:00:07]} 18. Be3 {[%emt 0:00:12]} Qc7 {[%emt 0:00:14]} 19. Qd2 {[%emt 0:00:04]} Kh7 { [%emt 0:00:04]} 20. b4 {[%emt 0:00:16]} Rad8 {[%emt 0:00:06]} 21. Qa2 {[%emt 0: 01:23]} Re7 {[%emt 0:00:39]} 22. Rad1 {[%emt 0:00:04]} Rde8 {[%emt 0:00:30]} 23. dxe5 {[%emt 0:00:34]} dxe5 {[%emt 0:00:14]} 24. c4 {[%emt 0:00:03]} Rd8 { [%emt 0:00:48]} 25. axb5 {[%emt 0:01:29]} axb5 {[%emt 0:00:06]} 26. cxb5 { [%emt 0:00:02]} cxb5 {[%emt 0:00:01]} 27. Bxb5 {[%emt 0:00:02]} Nxe4 {[%emt 0: 00:12]} 28. Nxe4 {[%emt 0:00:04]} Bxe4 {[%emt 0:00:02]} 29. Bg5 {[%emt 0:00:21] } f6 {[%emt 0:01:50]} 30. Rxe4 {[%emt 0:00:03]} hxg5 {[%emt 0:00:02]} 31. h4 { [%emt 0:00:49]} Qb7 {[%emt 0:01:05]} 32. Qe2 {[%emt 0:00:04]} gxh4 {[%emt 0:01: 28]} 33. Rxh4+ {[%emt 0:00:04]} Kg8 {[%emt 0:00:02]} 34. Bc4+ {[%emt 0:00:51]} Kf8 {[%emt 0:00:02]} 35. Ba2 {[%emt 0:00:13]} Rc8 {[%emt 0:00:14]} 36. Qd3 { [%emt 0:00:20]} e4 {[%emt 0:01:00]} 37. Qb3 {[%emt 0:00:02]} Ke8 {[%emt 0:00: 01]} 38. Nd4 {[%emt 0:00:24]} f5 {[%emt 0:00:28]} 39. Qg8+ {[%emt 0:00:34]} Bf8 {[%emt 0:00:47]} 40. Qxg6+ {[%emt 0:00:06]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.3"] [White "Mendonca, Leon Luke"] [Black "Abdusattorov, Nodirbek"] [Result "0-1"] [ECO "E92"] [WhiteElo "2549"] [BlackElo "2634"] [Annotator "Shahid"] [PlyCount "92"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e5 8. h3 Nh5 {E92: King's Indian: Classical: 6 Be2 e5:7 dxe5, 7 Be3 and Petrosian System without 7... Nbd7.} 9. g3 {[#]} Kh8 $146 (9... Na6 $142) ({Predecessor:} 9... f5 10. exf5 gxf5 11. Ng5 Nf6 12. g4 e4 13. Be3 Qe7 14. Qd2 Na6 15. O-O-O Nc7 { 1/2-1/2 (42) Wang,Y (2690)-Izoria,Z (2599) Chess.com INT 2018}) 10. Nd2 Nf6 { White is better.} 11. h4 h5 12. Nf3 Nbd7 13. Ng5 Nh7 14. Be3 Ndf6 15. f3 a6 16. a4 Kg8 17. Qd2 Bd7 18. Kf2 Nxg5 19. hxg5 Nh7 20. Kg2 f5 $2 (20... f6 $14) 21. exf5 $1 $18 Bxf5 22. Raf1 $2 (22. g4 $18 hxg4 23. fxg4 Bd7 24. Ne4) 22... Qe7 ( 22... e4 $1 $14) 23. g4 hxg4 24. fxg4 Bd7 25. Ne4 Bxa4 (25... Rxf1 $16 { might work better.} 26. Rxf1 Bxa4) 26. Bd3 (26. Ra1 $1 $18 {[%CAl Ra1a4]} Be8 27. Qe1) (26. Bf3 Rf7 27. Rh3 Bd7 28. Rfh1 Raf8 29. Qd1) 26... Rxf1 $14 27. Rxf1 Rf8 28. Rh1 {[%mdl 1024] White has compensation.} Bd7 29. Kg3 Rf7 $1 ( 29... Qf7 $2 30. Qe2 $18) 30. Qh2 Nf8 31. b3 a5 32. Qd2 (32. Qh4 b6 33. Bd2) 32... b6 33. Qh2 Bc8 34. Be2 Rf4 35. Bxf4 $2 (35. Bf3 $11 {and White has nothing to worry.}) 35... exf4+ $19 {[%mdl 64] Discovered Attack} 36. Kf3 {[#]} Nd7 $4 {[%mdl 8192] [#]} (36... Bxg4+ $1 $19 {[%mdl 512] avoids the disaster.} 37. Kxg4 Qxe4) 37. Qh7+ $1 $18 Kf8 38. Bd1 $2 (38. Kxf4 $18 Qf7+ 39. Kg3) 38... a4 $1 $11 {[%CAl Ra4a3]} 39. bxa4 Ne5+ (39... Ba6 $1 $11 {keeps the balance.} 40. Be2 Qf7 41. Nxd6 Ne5+ 42. Kf2 Qe7) 40. Kxf4 $16 Nxc4 {( -> ...Qe5+)} 41. Qxg6 {aiming for Be2.} Qe5+ 42. Kf3 {Rf1 is the strong threat.} Qxd5 (42... Nd2+ $16 {is a better defense.} 43. Nxd2 Qc3+ 44. Kg2 (44. Ke2 Ba6+ 45. Kf2 Qxd2+ 46. Kg3 Be5+ 47. Kh4 Qxd5 $11) 44... Qxd2+ 45. Kh3 Qf4) 43. Kg3 $18 { Threatening mate with Rf1+.} Qd3+ (43... Be5+ {was called for.} 44. Kh4 Ne3 45. Qh6+ Ke7 46. Qh7+ Kd8) 44. Kh4 {Strongly threatening Rh2.} d5 {[#]} (44... Bd7 $142 45. Rh2 Qxd1 46. Rf2+ Ke7 47. Rf7+ (47. Qxg7+ Kd8 $18) 47... Kd8) 45. Bc2 $4 {[%mdl 8192]} (45. Re1) 45... Qe2 $4 {[%mdl 8192]} (45... Qf3 $19 46. Rg1 Qf4) 46. Ng3 $4 {[%mdl 8192]} (46. Nf6 $18) 46... Qxg4# {A wild game. Weighted Error Value: White=0.68/Black=0.49} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.4"] [White "Praggnanandhaa R"] [Black "Murzin, Volodar"] [Result "1-0"] [ECO "E51"] [WhiteElo "2608"] [BlackElo "2502"] [Annotator "TA"] [PlyCount "135"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,135,38,29,36,20,58,16,21,16,30,6,8,0,0,0,0,0,0,0,6,-18,0,0,7,0,0,0,0, 0,70,65,88,91,114,105,121,91,88,100,100,100,106,82,84,92,68,95,88,87,73,27,29, 20,34,21,110,8,8,8,11,8,11,8,11,11,86,32,58,59,100,139,108,125,610,706,623,617, 611,602,592,586,567,361,361,361,361,360,345,300,233,134,134,141,1770,1270,6336, 9900,6336,1928,29971,29972,29971,29972,29972,29973,29973,29974,29975,29976, 29976,29977,29977,29978,29978,29979,29979,29980]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 c5 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 Nxc3 10. Rxc3 cxd4 11. Nxd4 e5 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} 12. Nb3 dxc4 { [#]} 13. Qxd8 $146 ({Of course not} 13. Rxc4 Qxd1+ 14. Kxd1 Rd8+ 15. Ke1 Be6 $11) (13. Bxc4 {is interesting.} Nd7 14. O-O Nf6 15. Qxd8 Rxd8 16. Nc5) ({ Predecessor:} 13. Bxc4 Qxd1+ 14. Kxd1 Nd7 15. Na5 Nf6 16. Ke2 b6 17. Nc6 Re8 18. Rhc1 Bb7 19. Bb5 {1-0 (38) Sengupta,D (2565)-Reuker,J (2377) Pardubice 2018 }) 13... Rxd8 {The position is equal.} 14. Bxc4 Nd7 15. Be2 Nf6 16. Bf3 Rb8 17. Na5 e4 18. Be2 Be6 19. Bc4 Nd5 20. Bxd5 Bxd5 21. Ke2 Kf8 22. Rd1 Ke7 23. Rd4 Ke6 24. Nb3 b6 ({Black should try} 24... f5 $11) 25. Nd2 $14 f5 26. Rc7 Kf6 27. Nb1 (27. Rxa7 Rbc8 28. a4 Rc2 29. b3) 27... Be6 28. Nc3 Rxd4 29. exd4 $16 { [%mdl 4096] Endgame KRB-KRN} Rd8 30. Ke3 Rd7 31. Nb5 Rxc7 32. Nxc7 {KB-KN} Bd7 33. Nd5+ Ke6 34. Nf4+ Kf6 35. h4 (35. g4 $5) 35... g6 36. Nd5+ Ke6 37. Nc3 h6 ( 37... Kf6 $11 {keeps the balance.}) 38. Kf4 ({White has to play} 38. g4 $1 $16) 38... Kf6 $11 39. g3 g5+ 40. hxg5+ hxg5+ 41. Ke3 Bc8 42. Nb5 a6 (42... a5 $1 $11) 43. Nc3 (43. Nd6 $16 Be6 44. Ne8+ Ke7 45. Ng7) 43... Bb7 44. Na4 b5 45. Nc5 Bc8 46. b4 Ke7 $2 {[%mdl 8192]} (46... Be6 $16 47. Nxa6 Bd7) 47. d5 $18 Kd6 48. Kd4 g4 {[#]} 49. a4 $1 bxa4 50. Nxa4 Bb7 51. Nc3 Ba8 52. b5 a5 53. b6 Bb7 54. Nb5+ Kd7 {[#]} 55. Na3 (55. Ke5 $1 $18) 55... a4 56. Ke5 f4 $2 {[%mdl 8192] A mistake that costs the game.} (56... Ba6 $16) 57. Kxe4 fxg3 58. fxg3 Kd6 59. Kd4 Bxd5 60. Nb5+ {White mates.} Kc6 {[#]} 61. b7 $1 {[%mdl 64] Deflection} Kxb7 62. Kxd5 {KN-KPP} Kb6 63. Na3 Ka5 64. Kc5 Ka6 65. Nc4 Kb7 66. Kb4 Kc7 67. Ne5 Kd6 68. Nxg4 {Weighted Error Value: White=0.18/Black=0.37} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.5"] [White "Bjerre, Jonas Buhl"] [Black "Khademalsharieh, Sarasadat"] [Result "1-0"] [ECO "C77"] [WhiteElo "2542"] [BlackElo "2494"] [Annotator "RC"] [PlyCount "113"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} Nc6 { [%emt 0:00:02]} 3. Bb5 {[%emt 0:00:01]} a6 {[%emt 0:00:02]} 4. Ba4 {[%emt 0:00: 01]} Nf6 {[%emt 0:00:02]} 5. d3 {[%emt 0:00:01]} b5 {[%emt 0:00:02]} 6. Bb3 { [%emt 0:00:02]} Bc5 {[%emt 0:00:00]} 7. Bg5 {[%emt 0:00:08]} h6 {[%emt 0:00:08] } 8. Bh4 {[%emt 0:00:02]} g5 {[%emt 0:00:50]} 9. Bg3 {[%emt 0:00:07]} d6 { [%emt 0:00:02]} 10. c3 {[%emt 0:00:08]} Bb6 {[%emt 0:00:15]} 11. a4 {[%emt 0: 00:17]} Bd7 {[%emt 0:00:16]} 12. Nbd2 {[%emt 0:00:21]} Ne7 {[%emt 0:00:18]} 13. d4 {[%emt 0:01:14]} exd4 {[%emt 0:00:17]} 14. cxd4 {[%emt 0:00:39]} g4 { [%emt 0:00:19]} 15. e5 {[%emt 0:01:29]} gxf3 {[%emt 0:00:05]} 16. Qxf3 { [%emt 0:00:38]} Nf5 {[%emt 0:00:18]} 17. exf6 {[%emt 0:00:33]} Nxd4 {[%emt 0: 00:24]} 18. Qe4+ {[%emt 0:01:00]} Kf8 {[%emt 0:00:20]} 19. O-O {[%emt 0:00:41]} Rb8 {[%emt 0:02:04]} 20. a5 {[%emt 0:01:33]} Bc5 {[%emt 0:00:22]} 21. Qh4 { [%emt 0:00:33]} Nf5 {[%emt 0:00:53]} 22. Qh5 {[%emt 0:00:10]} Qxf6 {[%emt 0:01: 28]} 23. Ne4 {[%emt 0:00:11]} Qg7 {[%emt 0:00:47]} 24. Nxc5 {[%emt 0:01:07]} dxc5 {[%emt 0:00:02]} 25. Bxc7 {[%emt 0:00:33]} Rc8 {[%emt 0:00:02]} 26. Be5 { [%emt 0:00:03]} f6 {[%emt 0:00:07]} 27. Bc2 {[%emt 0:00:15]} Qf7 {[%emt 0:01: 00]} 28. Qxf7+ {[%emt 0:00:17]} Kxf7 {[%emt 0:00:02]} 29. Bf4 {[%emt 0:00:04]} Nd4 {[%emt 0:00:03]} 30. Bd1 {[%emt 0:00:03]} h5 {[%emt 0:00:46]} 31. Rc1 { [%emt 0:00:05]} c4 {[%emt 0:00:09]} 32. Rc3 {[%emt 0:00:10]} Bg4 {[%emt 0:00: 23]} 33. f3 {[%emt 0:00:05]} Bf5 {[%emt 0:00:03]} 34. Re3 {[%emt 0:00:07]} Rhe8 {[%emt 0:00:36]} 35. g4 {[%emt 0:00:08]} Bc2 {[%emt 0:00:07]} 36. Kf2 {[%emt 0: 00:08]} hxg4 {[%emt 0:00:13]} 37. fxg4 {[%emt 0:00:01]} Bxd1 {[%emt 0:00:10]} 38. Rxd1 {[%emt 0:00:01]} Ne6 {[%emt 0:00:03]} 39. Rd7+ {[%emt 0:00:08]} Kg6 { [%emt 0:00:04]} 40. Bg3 {[%emt 0:00:03]} Nc5 {[%emt 0:00:01]} 41. Ra7 {[%emt 0: 00:06]} Rxe3 {[%emt 0:00:02]} 42. Kxe3 {[%emt 0:00:02]} Re8+ {[%emt 0:00:01]} 43. Kd4 {[%emt 0:00:06]} Nb3+ {[%emt 0:00:01]} 44. Kc3 {[%emt 0:00:05]} Re6 { [%emt 0:00:19]} 45. Bc7 {[%emt 0:00:03]} Re3+ {[%emt 0:00:06]} 46. Kb4 { [%emt 0:00:03]} Nd4 {[%emt 0:00:02]} 47. Rxa6 {[%emt 0:00:04]} Rb3+ {[%emt 0: 00:03]} 48. Kc5 {[%emt 0:00:02]} Ne2 {[%emt 0:00:06]} 49. Be5 {[%emt 0:00:04]} Kg5 {[%emt 0:00:09]} 50. Bxf6+ {[%emt 0:00:01]} Kxg4 {[%emt 0:00:01]} 51. Rb6 { [%emt 0:00:01]} c3 {[%emt 0:00:16]} 52. Bxc3 {[%emt 0:00:07]} Nxc3 {[%emt 0:00: 02]} 53. bxc3 {[%emt 0:00:01]} Rxc3+ {[%emt 0:00:00]} 54. Kxb5 {[%emt 0:00:01]} Rb3+ {[%emt 0:00:01]} 55. Kc6 {[%emt 0:00:02]} Ra3 {[%emt 0:00:02]} 56. a6 { [%emt 0:00:01]} Kh3 {[%emt 0:00:10]} 57. Kb7 {[%emt 0:00:03]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.6"] [White "Lei, Tingjie"] [Black "Liang, Awonder"] [Result "0-1"] [ECO "B01"] [WhiteElo "2505"] [BlackElo "2592"] [Annotator "TA"] [PlyCount "74"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,74,46,60,40,30,37,38,33,77,44,62,27,42,27,47,17,85,58,72,22,22,29,93, 12,22,20,30,0,29,6,10,8,20,6,22,0,20,-13,-11,-15,104,95,68,62,44,-111,-123, -121,-114,-663,-653,-642,-616,-573,-415,-693,-684,-29980,29979,-438,-443,-892, -727,-1155,-1137,-962,-597]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 g6 6. g3 {B01: Scandinavian Defence.} Bg7 7. Bg2 O-O 8. O-O {[#] White is slightly better.} Nbd7 $146 ({Predecessor:} 8... c6 9. Re1 Nbd7 10. Bg5 h6 11. Bf4 Nb6 12. Qc1 Kh7 13. a4 a5 14. Rd1 Bg4 {0-1 (35) Gadimbayli,A (2773) -Nakamura,H (3055) Chess.com INT 2019}) 9. Qe2 Nb6 10. Rd1 c6 11. Ne5 Be6 12. Bg5 (12. b3 {is more complex.} a5 13. a4 Re8 14. Bb2 Nbd7 15. h3) 12... Nbd5 ( 12... Nfd5 $11 {remains equal.}) 13. Nxd5 (13. Na4 {looks sharper.} Qc8 14. c4 Nc7 15. Nc5 Bf5 16. Re1) 13... Bxd5 14. c3 h6 15. Bf4 a5 (15... Bxg2 $11 16. Kxg2 Qd5+ 17. f3 Rad8) 16. Re1 (16. Bh3 $16) 16... Bxg2 $11 17. Kxg2 a4 18. a3 Qd5+ 19. Kg1 Rfe8 20. Rad1 Qe6 21. Qc2 {With the idea Nxg6.} Qh3 22. Nc4 h5 23. f3 Nd5 24. Bg5 h4 (24... b5 $11 {keeps the balance.} 25. Ne3 Bf6) 25. Bxh4 $16 Bh6 26. Ne5 Ne3 27. Rxe3 Bxe3+ $17 28. Kh1 {White wants to play Ng4.} g5 $36 { [%mdl 2048] Keeping White busy.} 29. Nxf7 $2 {[%mdl 8192]} Kxf7 $19 ({Not} 29... gxh4 30. Qg6+ Kf8 31. Ne5 Qxh2+ 32. Kxh2 Bg1+ 33. Kxg1 hxg3 34. Qf7#) 30. Qh7+ Ke6 31. d5+ cxd5 32. Qg6+ (32. Qd3 $142 d4 33. cxd4 gxh4 34. Qxe3+ Kd7 35. Qe4) 32... Kd7 33. Bxg5 {[#]} Bxg5 {[%mdl 8192]} (33... Rh8 $1 {and all is fine.} 34. Qc2 (34. Bh6 Rag8) 34... Qxg3 {[%mdl 64] Double Attack} 35. Rxd5+ Kc7 36. Rd7+ Kxd7 37. Bxe3 Qxf3+ 38. Qg2 {[#]} Rxh2+ $3 {[%mdl 576] Clearance} 39. Kxh2 Rh8+ 40. Bh6 Rxh6+ 41. Kg1 Qe3+ 42. Qf2 Rh1+ $3 {[%mdl 576] Deflection } 43. Kxh1 Qxf2 44. c4 b6 45. c5 bxc5 46. b4 axb3 47. a4 b2 48. a5 b1=Q#) 34. Qxg5 $4 {[%mdl 8192]} (34. Rxd5+ {was the only winning move.} Kc7 35. Rc5+ Kb8 36. Qxe8+ Ka7 37. Qxa4+ Kb8 38. Qe8+ Ka7 39. Qa4+ Kb8 40. Qe8+ Ka7 41. Ra5+ Kb6 42. Qb5+ {[%mdl 64] Double Attack} Kc7 43. Qe5+ Kd7 44. Qd5+ Kc7 45. Rc5+ Kb6 46. Rb5+ Kc7 47. Qxb7+ {[%mdl 64] Double Attack} Kd8 48. Qxa8+ Qc8 49. Rd5+ Ke8 50. Qxc8+ Kf7 51. Rxg5) 34... e6 {Black is clearly winning.} 35. c4 (35. Kg1 $142) 35... Rg8 36. Qf4 Raf8 37. Qe5 Qf5 {What a bad dream for White. Weighted Error Value: White=1.14/Black=0.54} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.7"] [White "Abdumalik, Zhansaya"] [Black "Salimova, Nurgyul"] [Result "1-0"] [ECO "B15"] [WhiteElo "2472"] [BlackElo "2395"] [Annotator "RC"] [PlyCount "131"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0: 00:03]} 3. Nd2 {[%emt 0:00:02]} dxe4 {[%emt 0:00:02]} 4. Nxe4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:02]} 5. Ng3 {[%emt 0:00:04]} h5 {[%emt 0:00:07]} 6. h3 { [%emt 0:00:10]} e5 {[%emt 0:01:49]} 7. dxe5 {[%emt 0:00:32]} Qa5+ {[%emt 0:00: 25]} 8. c3 {[%emt 0:00:02]} Qxe5+ {[%emt 0:00:03]} 9. Qe2 {[%emt 0:00:05]} Qxe2+ {[%emt 0:00:18]} 10. Bxe2 {[%emt 0:00:00]} Be6 {[%emt 0:00:55]} 11. Nf3 { [%emt 0:00:07]} Nbd7 {[%emt 0:00:28]} 12. Ng5 {[%emt 0:00:23]} Bd5 {[%emt 0:00: 47]} 13. O-O {[%emt 0:00:35]} h4 {[%emt 0:00:43]} 14. Nf5 {[%emt 0:00:07]} g6 { [%emt 0:00:02]} 15. Ne3 {[%emt 0:00:04]} Bh6 {[%emt 0:00:41]} 16. Nxd5 { [%emt 0:00:07]} Nxd5 {[%emt 0:00:27]} 17. Bg4 {[%emt 0:00:04]} N7f6 {[%emt 0: 00:27]} 18. Re1+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:11]} 19. Bf3 {[%emt 0:00:04]} Re8 {[%emt 0:00:57]} 20. Bd2 {[%emt 0:00:07]} Kg7 {[%emt 0:00:17]} 21. c4 { [%emt 0:00:16]} Nb6 {[%emt 0:00:09]} 22. b3 {[%emt 0:00:07]} Nbd7 {[%emt 0:00: 10]} 23. g3 {[%emt 0:01:31]} hxg3 {[%emt 0:00:54]} 24. fxg3 {[%emt 0:00:01]} Rxe1+ {[%emt 0:01:08]} 25. Rxe1 {[%emt 0:00:02]} Re8 {[%emt 0:00:30]} 26. Rxe8 {[%emt 0:00:12]} Nxe8 {[%emt 0:00:00]} 27. Bc3+ {[%emt 0:00:03]} Kf8 {[%emt 0: 00:11]} 28. Ne4 {[%emt 0:00:19]} f5 {[%emt 0:00:16]} 29. Nf2 {[%emt 0:00:07]} Bg7 {[%emt 0:00:07]} 30. Bb4+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:10]} 31. Kg2 { [%emt 0:00:04]} Nc7 {[%emt 0:00:05]} 32. Nd3 {[%emt 0:00:04]} Ne6 {[%emt 0:00: 01]} 33. h4 {[%emt 0:00:11]} Bf6 {[%emt 0:00:13]} 34. Bd2 {[%emt 0:00:10]} Nd4 {[%emt 0:00:02]} 35. Bd1 {[%emt 0:00:03]} Ne6 {[%emt 0:00:02]} 36. a4 {[%emt 0: 00:05]} Ndc5 {[%emt 0:00:04]} 37. Nxc5 {[%emt 0:00:10]} Nxc5 {[%emt 0:00:00]} 38. Be3 {[%emt 0:00:01]} Be7 {[%emt 0:00:11]} 39. a5 {[%emt 0:00:10]} b6 { [%emt 0:00:09]} 40. b4 {[%emt 0:00:30]} Nd3 {[%emt 0:00:11]} 41. b5 {[%emt 0: 00:07]} cxb5 {[%emt 0:00:02]} 42. cxb5 {[%emt 0:00:01]} Nc5 {[%emt 0:00:07]} 43. a6 {[%emt 0:00:05]} Ke6 {[%emt 0:00:03]} 44. Bf3 {[%emt 0:00:09]} Bd6 { [%emt 0:00:04]} 45. Bd4 {[%emt 0:00:08]} Bc7 {[%emt 0:00:07]} 46. Kh3 {[%emt 0: 00:09]} Nb3 {[%emt 0:00:06]} 47. Be3 {[%emt 0:00:02]} Nc5 {[%emt 0:00:03]} 48. g4 {[%emt 0:00:02]} fxg4+ {[%emt 0:00:04]} 49. Kxg4 {[%emt 0:00:00]} Nd7 { [%emt 0:00:06]} 50. Kh3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:07]} 51. Bc6 {[%emt 0: 00:03]} Nh5 {[%emt 0:00:05]} 52. Kg4 {[%emt 0:00:03]} Kf7 {[%emt 0:00:04]} 53. Bd5+ {[%emt 0:00:02]} Kg7 {[%emt 0:00:03]} 54. Bd4+ {[%emt 0:00:05]} Kh6 { [%emt 0:00:04]} 55. Kf3 {[%emt 0:00:08]} g5 {[%emt 0:00:05]} 56. Be3 {[%emt 0: 00:10]} Nf4 {[%emt 0:00:03]} 57. Be4 {[%emt 0:00:12]} Kh5 {[%emt 0:00:06]} 58. hxg5 {[%emt 0:00:17]} Kxg5 {[%emt 0:00:00]} 59. Bh7 {[%emt 0:00:09]} Bb8 { [%emt 0:00:08]} 60. Ke4 {[%emt 0:00:04]} Kg4 {[%emt 0:00:03]} 61. Bxf4 { [%emt 0:00:07]} Bxf4 {[%emt 0:00:01]} 62. Kd5 {[%emt 0:00:01]} Kg5 {[%emt 0:00: 15]} 63. Kc6 {[%emt 0:00:05]} Kf6 {[%emt 0:00:04]} 64. Kb7 {[%emt 0:00:04]} Ke7 {[%emt 0:00:04]} 65. Kxa7 {[%emt 0:00:01]} Kd8 {[%emt 0:00:12]} 66. Kb7 { [%emt 0:00:02]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.8"] [White "Shuvalova, Polina"] [Black "Badelka, Olga"] [Result "1-0"] [ECO "B57"] [WhiteElo "2489"] [BlackElo "2418"] [Annotator "RC"] [PlyCount "81"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0: 00:03]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:01]} 5. Nc3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 6. Bc4 { [%emt 0:00:17]} Qb6 {[%emt 0:00:17]} 7. Nb3 {[%emt 0:00:32]} e6 {[%emt 0:01:17] } 8. Be3 {[%emt 0:00:05]} Qc7 {[%emt 0:00:04]} 9. O-O {[%emt 0:00:23]} a6 { [%emt 0:00:06]} 10. Bd3 {[%emt 0:00:08]} b5 {[%emt 0:00:24]} 11. Kh1 {[%emt 0: 00:38]} Be7 {[%emt 0:00:12]} 12. f4 {[%emt 0:00:02]} Bb7 {[%emt 0:00:24]} 13. a3 {[%emt 0:00:10]} Rd8 {[%emt 0:00:43]} 14. Qf3 {[%emt 0:00:20]} d5 {[%emt 0: 00:27]} 15. exd5 {[%emt 0:00:50]} exd5 {[%emt 0:01:04]} 16. Nd4 {[%emt 0:00:22] } O-O {[%emt 0:00:03]} 17. Nce2 {[%emt 0:00:39]} Ne4 {[%emt 0:00:33]} 18. Nxc6 {[%emt 0:00:06]} Bxc6 {[%emt 0:00:24]} 19. Nd4 {[%emt 0:00:05]} Bf6 {[%emt 0: 00:32]} 20. Rad1 {[%emt 0:00:44]} Rfe8 {[%emt 0:00:11]} 21. c3 {[%emt 0:00:09]} Bb7 {[%emt 0:00:09]} 22. Bg1 {[%emt 0:00:16]} Bc8 {[%emt 0:00:39]} 23. Rfe1 { [%emt 0:00:30]} h5 {[%emt 0:00:33]} 24. f5 {[%emt 0:00:48]} h4 {[%emt 0:00:10]} 25. Be3 {[%emt 0:00:07]} Bb7 {[%emt 0:00:23]} 26. Bf4 {[%emt 0:01:30]} Be5 { [%emt 0:00:07]} 27. Rf1 {[%emt 0:00:06]} Qe7 {[%emt 0:01:21]} 28. Bxe5 { [%emt 0:00:19]} Qxe5 {[%emt 0:00:02]} 29. Qg4 {[%emt 0:00:07]} Qf6 {[%emt 0:00: 17]} 30. Rf4 {[%emt 0:00:15]} Nc5 {[%emt 0:00:29]} 31. Bc2 {[%emt 0:00:18]} Ne4 {[%emt 0:00:51]} 32. Kg1 {[%emt 0:00:14]} a5 {[%emt 0:00:18]} 33. Qxh4 { [%emt 0:00:10]} Qb6 {[%emt 0:00:06]} 34. f6 {[%emt 0:00:35]} Nxf6 {[%emt 0:00: 16]} 35. Rdf1 {[%emt 0:00:09]} Bc8 {[%emt 0:00:22]} 36. Rxf6 {[%emt 0:00:13]} gxf6 {[%emt 0:00:01]} 37. Qh6 {[%emt 0:00:02]} Re4 {[%emt 0:00:06]} 38. Rf3 { [%emt 0:00:46]} Bg4 {[%emt 0:00:04]} 39. Rg3 {[%emt 0:00:11]} Rde8 {[%emt 0:00: 10]} 40. Rxg4+ {[%emt 0:00:13]} Rxg4 {[%emt 0:00:08]} 41. Bh7+ {[%emt 0:00:01]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.9"] [White "Mammadzada, Gunay"] [Black "Gukesh D"] [Result "1/2-1/2"] [ECO "B81"] [WhiteElo "2443"] [BlackElo "2578"] [Annotator "TA"] [PlyCount "107"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,107,28,30,33,31,47,31,27,33,44,40,35,30,75,60,45,41,44,50,53,32,29, 40,45,19,15,7,20,0,0,0,0,0,0,0,0,-66,-61,-54,-55,-60,-52,-51,0,0,101,25,104, 100,98,102,206,197,197,196,175,120,92,129,149,149,149,149,149,140,235,31,39,7, 46,0,21,21,21,21,65,34,39,0,61,0,69,62,64,28,95,13,8,0,70,60,95,40,37,0,51,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 { B81: Sicilian Scheveningen: Keres Attack.} 8. g5 Nfd7 9. Be3 b5 10. a3 Bb7 11. h4 $1 {11.h4 is better than 11.Qd2.} Nc6 12. f4 Qc7 {[#]} 13. f5 $146 ({ Predecessor:} 13. Qd2 Rc8 14. Rh3 Nc5 15. Bg2 Na5 16. Qf2 Nc4 17. Bc1 d5 18. exd5 exd5 19. b3 {0-1 (47) Oparin,G (2552)-Narayanan,S (2443) Pune 2014}) 13... Nxd4 14. Qxd4 Ne5 15. O-O-O {[%CAl Ba1d1,Bd1d2,Bd2f2][%mdl 32]} exf5 16. Nd5 Bxd5 17. Qxd5 Rc8 {[%csl Gc8][%CAl Rc7c2]} 18. Rd2 fxe4 19. Qxe4 O-O 20. Bf4 Rfe8 {Threatens to win with ...Ng6.} 21. Bxe5 dxe5 22. Bd3 g6 23. Rf2 Rcd8 24. Kb1 ({White should try} 24. Qf3 $11) 24... Rd4 $1 $15 {[%CAl Rd4e4]} 25. Qf3 Rf4 26. Qe2 Rxf2 27. Qxf2 Bc5 (27... e4 $15 28. Bxe4 Bxa3 $1) 28. Qf3 $11 b4 ( 28... Qe7 $11 29. Qc6 e4) 29. a4 (29. h5 $16 {hxg6 is the strong threat.} e4 30. Bxe4) 29... b3 (29... Qe7 $11 {remains equal.} 30. Bxa6 e4) 30. cxb3 $16 Bd4 31. Qe4 Rb8 {[#]} (31... Qd7 $16) 32. Bc4 $1 $18 Qb7 {[#]} 33. Bd5 { [%CAl Rd5b7]} Qb4 34. Qf3 (34. Rd1 $18) 34... Rf8 $16 ({Not} 34... Qd2 35. Qxf7+ Kh8 36. Qf6#) 35. Rf1 {[%CAl Rd5f7]} e4 ({And not} 35... Qd2 36. Bxf7+ Rxf7 37. Qxf7+ Kh8 38. Qf8#) 36. Qxe4 {Black must now prevent Rf4.} ({Stronger than} 36. Bxf7+ Kg7 $17) 36... Qd2 {[%csl Gd4][%CAl Rd2b2]} 37. Qc2 Qxc2+ 38. Kxc2 {[%mdl 4096] Endgame KRB-KRB} a5 (38... Bc5 $16 39. Rf6 a5) 39. Bc4 $2 ( 39. b4 $1 $18 {[%CAl Rb4a5]}) 39... Bc5 $1 $14 40. Kd3 Kg7 41. Ke4 Re8+ 42. Kd5 Bb4 43. Kc6 Re7 44. Kb6 Rd7 45. Rf3 Re7 (45... Rd6+ $11 46. Kb5 f5) 46. Rf1 ( 46. Kc6 $14) 46... Kf8 (46... Rd7 $11) 47. Kb5 Rc7 48. Rf3 Ke8 (48... Kg7 $11 { keeps the balance.}) 49. Re3+ (49. Kb6 $16 Re7 50. Rf4) 49... Re7 $11 50. Rf3 Re5+ (50... Rc7 $11) 51. Kb6 Re7 52. Bb5+ (52. Bd5 $16) 52... Kf8 $14 53. Bc4 Kg7 54. Rf1 {Weighted Error Value: White=0.26/ Black=0.24} (54. Rf4 $14) 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "3.10"] [White "Saduakassova, Dinara"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [ECO "E05"] [WhiteElo "2500"] [BlackElo "2457"] [Annotator "RC"] [PlyCount "151"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} d5 { [%emt 0:00:03]} 3. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:02]} 4. g3 {[%emt 0:00: 03]} Be7 {[%emt 0:00:02]} 5. Bg2 {[%emt 0:00:01]} O-O {[%emt 0:00:01]} 6. O-O { [%emt 0:00:01]} dxc4 {[%emt 0:00:01]} 7. Qc2 {[%emt 0:00:02]} b5 {[%emt 0:00: 01]} 8. a4 {[%emt 0:00:01]} b4 {[%emt 0:00:01]} 9. Nfd2 {[%emt 0:00:03]} Nd5 { [%emt 0:00:02]} 10. Nxc4 {[%emt 0:00:11]} c5 {[%emt 0:00:01]} 11. dxc5 { [%emt 0:00:27]} Ba6 {[%emt 0:00:02]} 12. Ne3 {[%emt 0:01:25]} Nd7 {[%emt 0:00: 05]} 13. Nxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:02]} 14. Nd2 {[%emt 0:00:41]} Nxc5 {[%emt 0:01:01]} 15. Nf3 {[%emt 0:00:09]} Rc8 {[%emt 0:02:14]} 16. Be3 { [%emt 0:00:37]} b3 {[%emt 0:00:47]} 17. Qd1 {[%emt 0:00:15]} Bf6 {[%emt 0:00: 58]} 18. Bd4 {[%emt 0:00:47]} Re8 {[%emt 0:01:00]} 19. Re1 {[%emt 0:00:07]} Bc4 {[%emt 0:00:19]} 20. Bf1 {[%emt 0:00:48]} Ne6 {[%emt 0:01:22]} 21. e3 {[%emt 0: 00:29]} Bxf1 {[%emt 0:00:47]} 22. Rxf1 {[%emt 0:00:14]} Rc2 {[%emt 0:00:03]} 23. Qd3 {[%emt 0:00:14]} Bxd4 {[%emt 0:01:04]} 24. Nxd4 {[%emt 0:00:14]} Nxd4 { [%emt 0:00:30]} 25. Qxd4 {[%emt 0:00:18]} a5 {[%emt 0:00:04]} 26. Rad1 { [%emt 0:00:12]} Qd7 {[%emt 0:00:27]} 27. Qxd5 {[%emt 0:00:48]} Qxa4 {[%emt 0: 00:04]} 28. Ra1 {[%emt 0:00:02]} Qb4 {[%emt 0:00:11]} 29. Rxa5 {[%emt 0:00:07]} Rxb2 {[%emt 0:00:01]} 30. Ra7 {[%emt 0:00:32]} Rf8 {[%emt 0:00:07]} 31. Rb7 { [%emt 0:00:17]} Qc3 {[%emt 0:00:07]} 32. Rd1 {[%emt 0:01:13]} Qc2 {[%emt 0:00: 10]} 33. Qf3 {[%emt 0:00:02]} Rb1 {[%emt 0:00:17]} 34. Rxb1 {[%emt 0:00:01]} Qxb1+ {[%emt 0:00:00]} 35. Kg2 {[%emt 0:00:01]} b2 {[%emt 0:00:07]} 36. Qd5 { [%emt 0:00:29]} h5 {[%emt 0:00:21]} 37. Qd4 {[%emt 0:00:17]} h4 {[%emt 0:00:31] } 38. Rxb2 {[%emt 0:00:37]} h3+ {[%emt 0:00:03]} 39. Kxh3 {[%emt 0:00:01]} Qf1+ {[%emt 0:00:00]} 40. Kg4 {[%emt 0:00:05]} Re8 {[%emt 0:00:13]} 41. f4 {[%emt 0: 00:35]} Re6 {[%emt 0:00:06]} 42. f5 {[%emt 0:00:19]} Rh6 {[%emt 0:00:01]} 43. h4 {[%emt 0:00:11]} Kh7 {[%emt 0:00:08]} 44. e4 {[%emt 0:00:08]} g6 {[%emt 0: 00:07]} 45. Rf2 {[%emt 0:00:01]} gxf5+ {[%emt 0:00:05]} 46. exf5 {[%emt 0:00: 10]} Qe1 {[%emt 0:00:01]} 47. Qf4 {[%emt 0:00:08]} Rb6 {[%emt 0:00:05]} 48. Kh3 {[%emt 0:00:04]} Rb1 {[%emt 0:00:10]} 49. Qf3 {[%emt 0:00:07]} Kg8 {[%emt 0:00: 06]} 50. Qg4+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:01]} 51. Qf3 {[%emt 0:00:03]} Qe5 {[%emt 0:00:10]} 52. f6 {[%emt 0:00:05]} Qe6+ {[%emt 0:00:01]} 53. Kg2 { [%emt 0:00:05]} Rb8 {[%emt 0:00:13]} 54. Qf4 {[%emt 0:00:02]} Qd5+ {[%emt 0:00: 01]} 55. Kh2 {[%emt 0:00:03]} Rb1 {[%emt 0:00:01]} 56. Qh6+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:01]} 57. Qe3+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:04]} 58. Rg2 { [%emt 0:00:04]} Rf1 {[%emt 0:00:16]} 59. Qh6+ {[%emt 0:00:02]} Ke8 {[%emt 0:00: 01]} 60. Qe3+ {[%emt 0:00:08]} Kf8 {[%emt 0:00:01]} 61. Qc3 {[%emt 0:00:03]} Kg8 {[%emt 0:00:05]} 62. Qd2 {[%emt 0:00:18]} Qxd2 {[%emt 0:00:05]} 63. Rxd2 { [%emt 0:00:01]} Rxf6 {[%emt 0:00:01]} 64. Kh3 {[%emt 0:00:01]} Kg7 {[%emt 0:00: 00]} 65. h5 {[%emt 0:00:01]} Ra6 {[%emt 0:00:04]} 66. Kh4 {[%emt 0:00:02]} Ra4+ {[%emt 0:00:03]} 67. g4 {[%emt 0:00:01]} f5 {[%emt 0:00:01]} 68. Rg2 {[%emt 0: 00:01]} Rxg4+ {[%emt 0:00:02]} 69. Rxg4+ {[%emt 0:00:01]} fxg4 {[%emt 0:00:00]} 70. Kxg4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 71. Kg5 {[%emt 0:00:04]} Kg7 { [%emt 0:00:00]} 72. h6+ {[%emt 0:00:01]} Kh7 {[%emt 0:00:00]} 73. Kh5 {[%emt 0: 00:00]} Kh8 {[%emt 0:00:00]} 74. Kg6 {[%emt 0:00:01]} Kg8 {[%emt 0:00:00]} 75. h7+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:00]} 76. Kh6 {[%emt 0:00:00]} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.1"] [White "Keymer, Vincent"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [ECO "D35"] [WhiteElo "2591"] [BlackElo "2457"] [Annotator "TA"] [PlyCount "89"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,89,14,16,21,21,0,0,0,5,0,9,0,0,0,98,109,103,84,131,133,114,100,134, 101,97,70,112,34,38,35,47,35,54,26,73,84,58,25,28,11,25,23,24,31,62,23,78,87, 69,18,33,25,18,9,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. cxd5 exd5 6. Bf4 {D35: Queen's Gambit Declined: Exchange Variation.} Bd6 $1 {6...Bd6 is better than 6...c6.} 7. Bg3 O-O 8. e3 c6 9. Bd3 Bg4 10. Qc2 Bxg3 11. hxg3 {[#]} Bxf3 $146 (11... Re8 $11 { remains equal.}) ({Predecessor:} 11... Re8 12. Ne5 Nbd7 13. Nxg4 Nxg4 14. Qe2 Ngf6 15. Qf3 Qe7 16. g4 Ne4 17. Bxe4 dxe4 {0-1 (50) Cofman,V (1913)-Bashylin,S Playchess.com INT 2008}) 12. gxf3 $16 c5 13. dxc5 Nbd7 14. O-O-O Nxc5 15. g4 Nxd3+ 16. Rxd3 Rc8 17. Kb1 Qa5 18. g5 (18. Rhd1 $16) 18... hxg5 $14 {[#]} 19. Rxd5 $1 Rc5 20. Rd4 Qc7 21. f4 (21. Qd2 {feels hotter.} Re8 22. Qd3 Rc8 23. Qf1 Qe5 24. Rd3) 21... g6 22. fxg5 Rxg5 23. Rdh4 Rh5 24. Qa4 Qc5 25. Rxh5 Nxh5 26. Qd7 Kg7 27. a3 {[%CAl Ba2a3,Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Nf6 (27... Qb6 $11) 28. Qxb7 $16 Qf5+ 29. Ka1 ({White should try} 29. Ka2 $14) 29... Qxf2 $11 30. Qxa7 Re8 31. a4 Rxe3 {[#] Hoping for ...Re1+.} 32. Rd1 Qf3 {aiming for ... Rxc3.The position is equal.} 33. Qd4 g5 34. Rg1 Kg6 35. a5 g4 36. a6 Re6 37. a7 Ra6+ 38. Kb1 Qf5+ 39. Kc1 {Black must now prevent b4.} Qg5+ 40. Kc2 Qf5+ 41. Kd2 Qg5+ $1 42. Kc2 Qf5+ 43. Kd2 Qg5+ $1 44. Kd1 {And now Qd3+ would win.} Qf5 45. Kd2 {Weighted Error Value: White=0.13/Black=0.13} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.2"] [White "Gukesh D"] [Black "Saduakassova, Dinara"] [Result "1/2-1/2"] [ECO "E12"] [WhiteElo "2578"] [BlackElo "2500"] [Annotator "RC"] [PlyCount "153"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} e6 { [%emt 0:00:02]} 3. c4 {[%emt 0:00:21]} b6 {[%emt 0:00:02]} 4. a3 {[%emt 0:00: 02]} Bb7 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:03]} d5 {[%emt 0:00:05]} 6. cxd5 { [%emt 0:00:05]} Nxd5 {[%emt 0:00:03]} 7. Qc2 {[%emt 0:00:33]} c5 {[%emt 0:00: 05]} 8. e4 {[%emt 0:02:06]} Nxc3 {[%emt 0:00:04]} 9. bxc3 {[%emt 0:00:01]} Be7 {[%emt 0:00:05]} 10. Bb5+ {[%emt 0:00:18]} Bc6 {[%emt 0:00:08]} 11. Bd3 { [%emt 0:00:17]} O-O {[%emt 0:00:26]} 12. O-O {[%emt 0:00:04]} cxd4 {[%emt 0:01: 04]} 13. cxd4 {[%emt 0:00:03]} Qe8 {[%emt 0:00:07]} 14. d5 {[%emt 0:02:01]} Ba4 {[%emt 0:01:25]} 15. Qb1 {[%emt 0:00:17]} (15. Qc4) 15... exd5 {[%emt 0:01:17]} 16. exd5 {[%emt 0:00:04]} h6 {[%emt 0:00:32]} 17. Bf4 {[%emt 0:01:32]} (17. Bxh6 gxh6 18. Re1 Qd8 19. Qc1 Bg5 20. Qc4) 17... Nd7 {[%emt 0:00:18]} 18. d6 { [%emt 0:00:34]} Bf6 {[%emt 0:00:06]} 19. Re1 {[%emt 0:00:09]} Qd8 {[%emt 0:00: 12]} 20. Ra2 {[%emt 0:00:13]} Nc5 {[%emt 0:00:10]} 21. Bc4 {[%emt 0:00:51]} Bd7 {[%emt 0:00:49]} 22. h3 {[%emt 0:01:23]} Be6 {[%emt 0:00:19]} 23. Bxe6 { [%emt 0:00:04]} Nxe6 {[%emt 0:00:02]} 24. Bg3 {[%emt 0:00:00]} Rc8 {[%emt 0:00: 16]} 25. Qb5 {[%emt 0:00:26]} Rc5 {[%emt 0:00:52]} 26. Qa4 {[%emt 0:00:02]} Ra5 {[%emt 0:01:01]} 27. Qb3 {[%emt 0:00:20]} Qd7 {[%emt 0:00:08]} 28. Rc2 { [%emt 0:00:20]} Rc5 {[%emt 0:00:09]} 29. Rce2 {[%emt 0:00:05]} Rfc8 {[%emt 0: 00:36]} 30. Be5 {[%emt 0:00:02]} Qb5 {[%emt 0:00:51]} 31. Qxb5 {[%emt 0:00:05]} Rxb5 {[%emt 0:00:01]} 32. Bxf6 {[%emt 0:00:02]} gxf6 {[%emt 0:00:01]} 33. d7 { [%emt 0:00:07]} Rd8 {[%emt 0:00:11]} 34. Nd4 {[%emt 0:00:01]} Re5 {[%emt 0:00: 43]} 35. Rxe5 {[%emt 0:00:12]} fxe5 {[%emt 0:00:01]} 36. Nf5 {[%emt 0:00:10]} Rxd7 {[%emt 0:00:03]} 37. Nxh6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:04]} 38. Nf5+ {[%emt 0:00:01]} Kf6 {[%emt 0:00:01]} 39. Ne3 {[%emt 0:00:03]} Rd3 {[%emt 0:00: 03]} 40. Ng4+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:04]} 41. a4 {[%emt 0:00:16]} Ra3 {[%emt 0:00:04]} 42. Re4 {[%emt 0:00:08]} f6 {[%emt 0:00:16]} 43. Ne3 {[%emt 0: 00:04]} Kf7 {[%emt 0:00:13]} 44. Nc4 {[%emt 0:00:03]} Ra1+ {[%emt 0:00:02]} 45. Kh2 {[%emt 0:00:01]} Nc5 {[%emt 0:00:07]} 46. Re3 {[%emt 0:00:07]} Rxa4 { [%emt 0:00:04]} 47. Nd6+ {[%emt 0:00:01]} Ke6 {[%emt 0:00:04]} 48. Nb5 { [%emt 0:00:05]} Ra2 {[%emt 0:00:13]} 49. Kg1 {[%emt 0:00:08]} a5 {[%emt 0:00: 12]} 50. h4 {[%emt 0:00:02]} Rd2 {[%emt 0:00:14]} 51. h5 {[%emt 0:00:04]} Rd7 { [%emt 0:00:02]} 52. g4 {[%emt 0:00:03]} a4 {[%emt 0:00:06]} 53. Kh2 {[%emt 0: 00:04]} Nd3 {[%emt 0:00:06]} 54. Kg3 {[%emt 0:00:04]} Nf4 {[%emt 0:00:02]} 55. f3 {[%emt 0:00:16]} Rd3 {[%emt 0:00:06]} 56. Re4 {[%emt 0:00:02]} a3 {[%emt 0: 00:05]} 57. Ra4 {[%emt 0:00:02]} Ne2+ {[%emt 0:00:08]} 58. Kf2 {[%emt 0:00:11]} Nc3 {[%emt 0:00:08]} 59. Nxc3 {[%emt 0:00:08]} Rxc3 {[%emt 0:00:01]} 60. Ra7 { [%emt 0:00:01]} b5 {[%emt 0:00:05]} 61. h6 {[%emt 0:00:05]} b4 {[%emt 0:00:01]} 62. h7 {[%emt 0:00:04]} Rc8 {[%emt 0:00:01]} 63. Ra4 {[%emt 0:00:01]} Rh8 { [%emt 0:00:09]} 64. Rxb4 {[%emt 0:00:01]} Rxh7 {[%emt 0:00:01]} 65. Ra4 { [%emt 0:00:01]} Rh2+ {[%emt 0:00:05]} 66. Ke3 {[%emt 0:00:01]} a2 {[%emt 0:00: 03]} 67. Ke4 {[%emt 0:00:12]} Re2+ {[%emt 0:00:02]} 68. Kd3 {[%emt 0:00:01]} Rb2 {[%emt 0:00:02]} 69. Ke3 {[%emt 0:00:21]} Kf7 {[%emt 0:00:08]} (69... Kd5 70. Kd3 Kc5 71. Ra7 (71. Kc3 Rf2 72. Ra5+ Kb6) 71... Rg2) 70. Ra8 {[%emt 0:00: 03]} Kg6 {[%emt 0:00:04]} 71. Rg8+ {[%emt 0:00:02]} Kh6 {[%emt 0:00:03]} 72. Ra8 {[%emt 0:00:04]} Kg5 {[%emt 0:00:02]} 73. Ke4 {[%emt 0:00:05]} Re2+ { [%emt 0:00:14]} 74. Kd3 {[%emt 0:00:06]} Rb2 {[%emt 0:00:04]} 75. Ke4 {[%emt 0: 00:03]} Kg6 {[%emt 0:00:06]} 76. Ra7 {[%emt 0:00:06]} Kg5 {[%emt 0:00:07]} 77. Ra8 {[%emt 0:00:05]} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.3"] [White "Badelka, Olga"] [Black "Mammadzada, Gunay"] [Result "0-1"] [ECO "A11"] [WhiteElo "2418"] [BlackElo "2443"] [Annotator "NA RC"] [PlyCount "34"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:01]} c6 {[%emt 0: 00:04]} 3. Bg2 {[%emt 0:00:04]} Bg4 {[%emt 0:00:02]} 4. c4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:03]} 5. Ne5 {[%emt 0:00:06]} Be6 {[%emt 0:00:01]} 6. cxd5 {[%emt 0: 00:26]} Bxd5 {[%emt 0:00:02]} 7. f3 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:40]} 8. d4 {[%emt 0:00:17]} Nxe5 {[%emt 0:00:43]} 9. dxe5 {[%emt 0:00:01]} Nd7 { [%emt 0:00:00]} 10. e4 {[%emt 0:00:09]} Bc4 {[%emt 0:00:07]} 11. Qd4 {[%emt 0: 05:49]} Ba6 {[%emt 0:00:32]} 12. Nc3 {[%emt 0:01:32]} e6 {[%emt 0:00:16]} 13. Bf4 {[%emt 0:00:48]} g5 {[%emt 0:03:49]} 14. Be3 {[%emt 0:00:04]} Bc5 {[%emt 0: 00:02]} 15. Qd2 {[%emt 0:00:01]} Bxe3 {[%emt 0:01:52]} 16. Qxe3 {[%emt 0:00:02] } Nxe5 {[%emt 0:00:00]} 17. Bf1 {[%emt 0:02:01]} Bxf1 {[%emt 0:00:39]} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.4"] [White "Salimova, Nurgyul"] [Black "Shuvalova, Polina"] [Result "1-0"] [ECO "E11"] [WhiteElo "2395"] [BlackElo "2489"] [Annotator "RC"] [PlyCount "79"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0: 00:03]} 3. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:01]} 4. g3 {[%emt 0:00:01]} Bb4+ {[%emt 0:00:08]} 5. Bd2 {[%emt 0:00:02]} Be7 {[%emt 0:00:02]} 6. Bg2 {[%emt 0: 00:01]} Nbd7 {[%emt 0:00:01]} 7. O-O {[%emt 0:00:24]} c6 {[%emt 0:00:06]} 8. Nc3 {[%emt 0:00:38]} dxc4 {[%emt 0:00:18]} 9. e4 {[%emt 0:01:11]} b5 {[%emt 0: 00:31]} 10. d5 {[%emt 0:00:45]} cxd5 {[%emt 0:01:48]} 11. exd5 {[%emt 0:00:03]} exd5 {[%emt 0:00:23]} 12. Nd4 {[%emt 0:00:14]} Bb7 {[%emt 0:00:08]} 13. Ncxb5 { [%emt 0:00:47]} O-O {[%emt 0:01:08]} 14. Nf5 {[%emt 0:00:30]} Bc5 {[%emt 0:00: 13]} 15. Bc3 {[%emt 0:00:38]} Qb6 {[%emt 0:00:42]} 16. Nbd4 {[%emt 0:00:26]} Rae8 {[%emt 0:01:04]} 17. b4 {[%emt 0:01:23]} cxb3 {[%emt 0:01:05]} 18. Nxb3 { [%emt 0:00:05]} Bb4 {[%emt 0:00:41]} 19. Bd4 {[%emt 0:00:12]} Qe6 {[%emt 0:00: 06]} 20. Bh3 {[%emt 0:00:48]} Kh8 {[%emt 0:02:16]} 21. a3 {[%emt 0:00:03]} Bd6 {[%emt 0:00:22]} 22. Re1 {[%emt 0:00:42]} Qxe1+ {[%emt 0:00:19]} 23. Qxe1 { [%emt 0:00:00]} Rxe1+ {[%emt 0:00:01]} 24. Rxe1 {[%emt 0:00:00]} Bxa3 {[%emt 0: 00:04]} 25. Ra1 {[%emt 0:00:11]} Bb4 {[%emt 0:00:10]} 26. Rxa7 {[%emt 0:00:02]} Bc6 {[%emt 0:00:11]} 27. Nxg7 {[%emt 0:01:03]} Kxg7 {[%emt 0:00:13]} 28. Bxd7 { [%emt 0:00:01]} Bxd7 {[%emt 0:00:07]} 29. Rxd7 {[%emt 0:00:01]} Kg6 {[%emt 0: 00:09]} 30. Bxf6 {[%emt 0:00:26]} Kxf6 {[%emt 0:00:01]} 31. Rxd5 {[%emt 0:00: 00]} Re8 {[%emt 0:00:07]} 32. Nd4 {[%emt 0:00:20]} Bc3 {[%emt 0:00:05]} 33. Nc2 {[%emt 0:00:42]} Kg6 {[%emt 0:00:07]} 34. Ne3 {[%emt 0:00:04]} Bf6 {[%emt 0:00: 03]} 35. h4 {[%emt 0:00:02]} Re6 {[%emt 0:00:04]} 36. Kg2 {[%emt 0:00:21]} Be5 {[%emt 0:00:11]} 37. f4 {[%emt 0:00:23]} Bxf4 {[%emt 0:00:04]} 38. h5+ { [%emt 0:00:01]} Kh6 {[%emt 0:00:05]} 39. Ng4+ {[%emt 0:00:06]} Kg7 {[%emt 0:00: 09]} 40. gxf4 {[%emt 0:00:01]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.5"] [White "Liang, Awonder"] [Black "Abdumalik, Zhansaya"] [Result "1-0"] [ECO "A34"] [WhiteElo "2592"] [BlackElo "2472"] [Annotator "RC"] [PlyCount "75"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:02]} c5 { [%emt 0:00:02]} 3. Nc3 {[%emt 0:00:01]} d5 {[%emt 0:00:02]} 4. cxd5 {[%emt 0: 00:02]} Nxd5 {[%emt 0:00:01]} 5. e4 {[%emt 0:00:02]} Nb4 {[%emt 0:00:01]} 6. Bc4 {[%emt 0:00:12]} Nd3+ {[%emt 0:00:06]} 7. Ke2 {[%emt 0:00:03]} Nf4+ { [%emt 0:00:03]} 8. Kf1 {[%emt 0:00:01]} Nd3 {[%emt 0:00:01]} 9. h4 {[%emt 0:00: 35]} e6 {[%emt 0:00:13]} 10. Rh3 {[%emt 0:00:30]} Nf4 {[%emt 0:01:16]} 11. Rg3 {[%emt 0:00:09]} Nh5 {[%emt 0:00:00]} 12. Rg5 {[%emt 0:01:42]} g6 {[%emt 0:00: 04]} 13. Ne5 {[%emt 0:00:54]} Bg7 {[%emt 0:00:35]} 14. d3 {[%emt 0:00:51]} h6 { [%emt 0:00:32]} 15. Rxh5 {[%emt 0:00:03]} gxh5 {[%emt 0:00:03]} 16. Qxh5 { [%emt 0:00:00]} Qf6 {[%emt 0:00:17]} 17. Bb5+ {[%emt 0:01:21]} Kf8 {[%emt 0:01: 03]} 18. Nf3 {[%emt 0:00:05]} Qe7 {[%emt 0:00:28]} 19. a4 {[%emt 0:00:23]} a6 { [%emt 0:00:19]} 20. Bc4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:17]} 21. e5 {[%emt 0: 00:37]} Rb8 {[%emt 0:00:57]} 22. Ne4 {[%emt 0:00:20]} b5 {[%emt 0:00:45]} 23. axb5 {[%emt 0:00:19]} axb5 {[%emt 0:00:00]} 24. Be3 {[%emt 0:00:00]} Kg8 { [%emt 0:01:20]} 25. Bb3 {[%emt 0:00:15]} c4 {[%emt 0:00:34]} 26. dxc4 {[%emt 0: 00:54]} bxc4 {[%emt 0:00:28]} 27. Bxc4 {[%emt 0:00:02]} Qb4 {[%emt 0:00:03]} 28. b3 {[%emt 0:00:09]} Rh7 {[%emt 0:00:41]} 29. Kg1 {[%emt 0:00:09]} Na5 { [%emt 0:00:45]} 30. Bc5 {[%emt 0:00:12]} Qb7 {[%emt 0:00:02]} 31. Nd6 {[%emt 0: 00:05]} Qc7 {[%emt 0:00:42]} 32. Rxa5 {[%emt 0:00:02]} Bf8 {[%emt 0:00:02]} 33. b4 {[%emt 0:00:03]} Qc6 {[%emt 0:00:26]} 34. Bd3 {[%emt 0:00:05]} Rg7 {[%emt 0: 00:06]} 35. Be4 {[%emt 0:00:02]} Qc7 {[%emt 0:00:19]} 36. Ra7 {[%emt 0:00:00]} Qd8 {[%emt 0:00:02]} 37. Rxf7 {[%emt 0:00:02]} Ba6 {[%emt 0:00:35]} 38. Ng5 { [%emt 0:00:55]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.6"] [White "Khademalsharieh, Sarasadat"] [Black "Lei, Tingjie"] [Result "1/2-1/2"] [ECO "D38"] [WhiteElo "2494"] [BlackElo "2505"] [Annotator "TA"] [PlyCount "75"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,75,8,7,9,-15,13,0,6,-36,-13,-17,-15,-18,-8,-8,-8,-8,-8,-8,-8,-8,-8, -8,-7,-7,-5,-5,-6,-7,-8,-8,-6,-6,-12,-12,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. cxd5 exd5 8. Qb3 c5 9. a3 Bxc3+ 10. Qxc3 c4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 11. e3 Be6 12. b3 {[%CAl Rb3c4]} O-O 13. Ne5 $1 { [%CAl Rb3c4][%mdl 4] [#] 13.Ne5 is a critical line.} Rc8 $146 ({Predecessor:} 13... Nd7 14. bxc4 dxc4 15. Nxd7 Bxd7 16. Bxc4 Rac8 17. Qb3 Qc6 18. Bd5 Qb5 19. Qxb5 Bxb5 {1-0 (57) Kozak,A (2518)-Yilmaz,M (2630) Tornelo INT 2021}) 14. Be2 { [%CAl Rb3c4] The position is equal.} Nd7 15. O-O cxb3 16. Qxb3 Nxe5 17. dxe5 Qxe5 18. Qxb7 d4 19. Qb2 $1 Rc3 20. exd4 Qxd4 21. Rfd1 Qc5 22. Rac1 Rc8 { [%CAl Rc3c1]} 23. Rd8+ Rxd8 24. Qxc3 Qg5 25. Rd1 Rc8 26. Qd4 a5 27. h4 Qe7 28. a4 Bb3 29. Rd2 Rc1+ 30. Kh2 $1 Qc7+ 31. Qd6 Qxd6+ 32. Rxd6 Bxa4 $11 {[%mdl 4096] Endgame KRB-KRB} 33. Rd5 Kf8 (33... Bc6 {is more complex.} 34. Rd8+ Kh7 35. Rc8 a4 36. Bf3 a3) 34. Rxa5 Bd7 35. Bf3 Rc2 36. Kg3 Rc3 37. Ra7 Ke7 38. Kh2 {An uneventful encounter. Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.7"] [White "Murzin, Volodar"] [Black "Bjerre, Jonas Buhl"] [Result "1-0"] [ECO "B53"] [WhiteElo "2502"] [BlackElo "2542"] [Annotator "RC"] [PlyCount "103"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0: 00:02]} 3. d4 {[%emt 0:00:01]} cxd4 {[%emt 0:00:01]} 4. Qxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 5. Qe3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:05]} 6. Be2 { [%emt 0:00:01]} g6 {[%emt 0:00:01]} 7. O-O {[%emt 0:00:01]} Bg7 {[%emt 0:00:02] } 8. Rd1 {[%emt 0:00:01]} O-O {[%emt 0:00:10]} 9. Nc3 {[%emt 0:00:03]} Ng4 { [%emt 0:00:49]} 10. Qf4 {[%emt 0:00:02]} Nge5 {[%emt 0:00:14]} 11. Nxe5 { [%emt 0:00:20]} Nxe5 {[%emt 0:00:04]} 12. Qh4 {[%emt 0:00:08]} a6 {[%emt 0:00: 25]} 13. Nd5 {[%emt 0:00:44]} Nc6 {[%emt 0:01:17]} 14. Bg5 {[%emt 0:00:23]} Re8 {[%emt 0:01:01]} 15. c3 {[%emt 0:00:17]} Be6 {[%emt 0:00:17]} 16. Rd2 {[%emt 0: 01:31]} Rc8 {[%emt 0:00:14]} 17. Nf4 {[%emt 0:01:57]} Ne5 {[%emt 0:01:00]} 18. Nxe6 {[%emt 0:00:38]} fxe6 {[%emt 0:00:01]} 19. Qh3 {[%emt 0:00:08]} Qd7 { [%emt 0:00:54]} 20. f4 {[%emt 0:00:16]} Nf7 {[%emt 0:00:29]} 21. Bg4 {[%emt 0: 00:08]} Nd8 {[%emt 0:00:04]} 22. f5 {[%emt 0:00:23]} exf5 {[%emt 0:00:37]} 23. exf5 {[%emt 0:00:03]} h5 {[%emt 0:00:10]} 24. Bf3 {[%emt 0:01:24]} Qxf5 { [%emt 0:00:39]} 25. Qxf5 {[%emt 0:01:37]} gxf5 {[%emt 0:00:01]} 26. Rf1 { [%emt 0:00:23]} Nf7 {[%emt 0:00:50]} 27. Be3 {[%emt 0:00:02]} Bh6 {[%emt 0:01: 28]} 28. Bxh6 {[%emt 0:00:08]} Nxh6 {[%emt 0:00:02]} 29. Bxb7 {[%emt 0:00:00]} Rc7 {[%emt 0:00:14]} 30. Bf3 {[%emt 0:01:20]} h4 {[%emt 0:00:10]} 31. Re2 { [%emt 0:00:25]} Rb8 {[%emt 0:00:35]} 32. Bd5+ {[%emt 0:00:03]} Kg7 {[%emt 0:00: 07]} 33. Rf4 {[%emt 0:00:00]} e5 {[%emt 0:00:13]} 34. Rxh4 {[%emt 0:00:05]} Ng4 {[%emt 0:00:03]} 35. h3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:01]} 36. Be6 {[%emt 0: 00:01]} f4 {[%emt 0:00:11]} 37. Bf5 {[%emt 0:00:00]} Rcb7 {[%emt 0:00:05]} 38. b3 {[%emt 0:00:02]} Nd5 {[%emt 0:00:06]} 39. c4 {[%emt 0:00:06]} Nf6 {[%emt 0: 00:08]} 40. g3 {[%emt 0:00:03]} f3 {[%emt 0:00:19]} 41. Rf2 {[%emt 0:00:01]} a5 {[%emt 0:00:01]} 42. g4 {[%emt 0:00:07]} a4 {[%emt 0:00:08]} 43. g5 {[%emt 0: 00:01]} Ng8 {[%emt 0:00:05]} 44. Rxf3 {[%emt 0:00:10]} Ne7 {[%emt 0:00:01]} 45. Be4 {[%emt 0:00:05]} axb3 {[%emt 0:00:04]} 46. Rh7+ {[%emt 0:00:12]} Kg8 { [%emt 0:00:04]} 47. axb3 {[%emt 0:00:01]} Ra7 {[%emt 0:00:13]} 48. g6 {[%emt 0: 00:10]} Ra1+ {[%emt 0:00:05]} 49. Kh2 {[%emt 0:00:01]} Re1 {[%emt 0:00:04]} 50. g7 {[%emt 0:00:14]} Rc8 {[%emt 0:00:10]} 51. Rg3 {[%emt 0:00:06]} Re2+ { [%emt 0:00:13]} 52. Kg1 {[%emt 0:00:01]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.8"] [White "Abdusattorov, Nodirbek"] [Black "Praggnanandhaa R"] [Result "1-0"] [ECO "E20"] [WhiteElo "2634"] [BlackElo "2608"] [Annotator "TA"] [PlyCount "119"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,119,0,0,0,0,0,0,13,0,0,8,0,0,12,0,0,-9,0,0,0,0,0,0,8,10,17,7,0,0,0,0, 2,0,0,-4,0,-10,-22,-23,-10,-17,-15,-15,0,0,56,0,10,10,10,14,28,28,28,28,29,21, 20,0,0,1,2,-3,0,-6,0,-12,-2,-4,0,0,10,38,60,70,70,70,62,64,159,159,158,146,223, 220,229,237,235,237,254,250,484,470,1161,1113,762,745,667,566,1328,933,1471, 1449,1644,1643,29971,29972,29970,29969,29977,29978]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 Bxc3+ 6. bxc3 d6 {E20: Nimzo-Indian: 4 g3 and 4 f3.} 7. Nf3 Nc6 {The main line 7...Nc6 scores better than 7...Nbd7.} 8. Qd3 e5 { [#] Hoping for ...e4.The position is equal.} 9. Nd2 Qe7 10. O-O Re8 11. e4 b6 { [#]} 12. Re1 $146 ({Predecessor:} 12. Ba3 Ba6 13. f4 Qd7 14. h3 Na5 15. Bb4 Nxc4 16. Nxc4 Qb5 17. fxe5 dxe5 18. Rxf6 gxf6 {1-0 (49) Ioannidis,E (2411) -Khanin,S (2506) Europe Echecs INT 2021}) 12... Ba6 13. Ba3 Nd7 14. f4 Qf6 15. Bh3 Bc8 {[%CAl Re5d4]} 16. Bxd7 Bxd7 17. fxe5 dxe5 18. d5 Na5 19. Nb3 Nb7 20. c5 bxc5 21. Nxc5 Nxc5 22. Bxc5 Qg6 23. Rf1 h5 24. c4 Bh3 25. Rf2 a5 26. Ba3 Rad8 27. Re1 h4 (27... c6 $11) 28. c5 (28. Kh1 $14) 28... hxg3 29. Qxg3 Qxg3+ 30. hxg3 f5 31. Rd2 fxe4 32. Rxe4 Bf5 33. Re1 e4 34. Kf2 Re5 35. d6 cxd6 36. cxd6 Bd7 37. Ke3 Rde8 38. Rd4 Rg5 39. Rg1 Rg4 40. Bb2 Re6 41. Rd5 a4 42. Be5 Rg5 43. Kd4 Re8 44. Re1 Be6 $4 (44... Rg4 $14) 45. Rc5 $16 Rd8 46. a3 Bf5 ( 46... Rd7 $16 47. Rc8+ (47. Rxe4 Kf7 $18) (47. Kxe4 Rg4+ 48. Ke3 Rg5 $16) 47... Kf7) 47. Bf4 $18 Rh5 48. Rxe4 Bxe4 49. Rxh5 {[%mdl 4096] Endgame KRB-KRB} Bg6 50. Ra5 Kf7 $2 (50... Be8 {was worth a try.} 51. Kc5 Kf8) 51. Ra7+ Kf6 (51... Kf8 $142 52. Ke5 Re8+ 53. Kd5 Be4+ 54. Kc5 Bf5) 52. Be5+ Kf5 53. Rxg7 Bh5 54. Bf4 {[#] aiming for Rg5+.} Bd1 55. Kc5 Bf3 56. Re7 Kf6 57. Be5+ Kf5 58. d7 { White mates.} Rxd7 59. Rxd7 Kxe5 60. Rd4 {Weighted Error Value: White=0.02/ Black=0.29} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.9"] [White "Yip, Carissa"] [Black "Mendonca, Leon Luke"] [Result "0-1"] [ECO "E05"] [WhiteElo "2430"] [BlackElo "2549"] [Annotator "TA"] [PlyCount "98"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,98,13,13,0,0,9,20,16,20,13,29,0,16,10,19,18,14,3,13,0,11,0,16,0,0,0, 0,0,8,0,10,0,11,-57,-56,-187,-188,-191,-198,-371,-365,-341,-166,-170,-193,-304, 0,0,0,0,0,-197,-206,-231,-228,-199,-199,-201,-21,-25,-25,-39,-31,-263,0,-77, -87,-760,-706,-627,-140,-141,-141,-1335,-1313,-1143,-603,-714,-229,-187,-18, -18,-18,-29991,-29992]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 {E05: Open Catalan: 5 Nf3 Be7.} Bc6 10. Bg5 Nbd7 11. Qxc4 {The position is equal.} h6 12. Bxf6 Nxf6 13. Nc3 a5 14. Ne5 Bxg2 15. Kxg2 c6 16. e4 Qb6 17. Qe2 Rfd8 {[#]} 18. Nc4 $146 ({Predecessor:} 18. Nf3 Bb4 19. Rac1 Qa6 20. Qc2 Rac8 21. e5 Nd5 22. Ne4 Be7 23. b3 Nb4 24. Qc4 Qxc4 25. bxc4 {1/2-1/2 (68) Melkumyan,H (2632)-Hansen,E (2573) London 2015}) 18... Qc7 19. e5 Nd5 20. Ne4 Nb6 21. Ne3 Rd7 22. Qg4 Kh8 23. Qh5 Bf8 24. f4 ({ White should try} 24. Nc5 $11) 24... Rad8 $15 25. Ng5 ({Better is} 25. f5 $1 $15) 25... Kg8 $1 $19 26. Nf3 c5 $1 27. Rac1 $2 (27. f5 {was worth a try.}) ( 27. dxc5 $4 Nc4 $19) 27... Qc6 $1 28. f5 exf5 (28... Nxa4 29. d5 $15) (28... Rxd4 $142 29. Rxd4 Rxd4) 29. Nxf5 Qe6 30. Qg4 (30. Nd6 $142 g6 31. Qh3 Rxd6 32. exd6 Qe2+ {[%mdl 64] Double Attack} 33. Kg1 Qxf3 34. dxc5) 30... cxd4 $2 (30... Nxa4 31. Rd2 $17) (30... Nd5 $19 {Strongly threatening ...Qxf5!} 31. N3h4 g6) 31. N3xd4 $11 ({Don't play} 31. Rxd4 Nd5 $17) 31... Qxe5 32. Nxh6+ $1 Kh7 33. Nhf5 (33. Nxf7 $1 $11 {and White has nothing to worry.} Rxf7 34. Qh4+ {[%mdl 64] Double Attack} Kg8 35. Qxd8 Qe4+ 36. Kg1 Qe3+ 37. Kh1 Qe4+ 38. Kg1 Qe3+ 39. Kh1 Qe4+ 40. Kg1) 33... g6 $19 34. Re1 Qf6 35. Rf1 gxf5 ({Inferior is} 35... Nxa4 36. Rc4 $11 (36. Qh3+ Kg8 $11)) 36. Nxf5 Qg6 (36... Rd2+ $1 $19 37. Kg1 Nd7) 37. Qh4+ $11 Kg8 38. Rf4 $1 {[%CAl Rf4g4] aiming for Rg4.} Rd2+ 39. Kh3 $2 {[#]} (39. Kg1 $15 R8d5 40. Rcf1) 39... R8d5 $2 (39... Qh7 $1 $19 40. Rg4+ Kh8) 40. Rg4 Rxf5 $17 41. Rxg6+ $4 {[%mdl 8192]} (41. Rc7 $17 Rd7 42. Rxg6+ fxg6 43. Rxd7 Nxd7 44. Qc4+ Rf7 45. Qe4) 41... fxg6 $19 42. Qe4 Rh5+ $2 (42... Nd5 $19 43. Qe6+ Kg7) 43. Kg4 $17 Rd6 44. Rc7 $2 {[%mdl 8192]} (44. h4 $17) 44... Nd5 $19 45. Qc4 Rf5 {...Re6 is the strong threat.} 46. Rxb7 Kh8 $2 (46... Re6 { And now ... Ne3+ would win.} 47. Kh3 Rh5+ 48. Qh4 Rxh4+ 49. Kxh4 Be7+ 50. Kg4 Re4+ 51. Kf3 Rxa4) 47. Qe2 {[#]} Bg7 $2 (47... Nf6+ $1 $19 48. Kh3 Rh5+ 49. Kg2 Rhd5) 48. Qe8+ $1 $11 Kh7 {Threatens to win with ...Nf6+.} 49. Rb8 $4 {[%mdl 8192]} (49. Kh3 $11) 49... Nf6+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.79/Black=0.62} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "4.10"] [White "Nihal Sarin"] [Black "Zhu, Jiner"] [Result "1-0"] [ECO "A13"] [WhiteElo "2620"] [BlackElo "2462"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,53,0,17,0,0,0,0,0,0,0,16,24,35,15,36,22,31,9,50,37,34,6,41,0,69,62, 167,183,805,797,766,750,1082,741,712,705]} 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd7 8. O-O Bd6 9. d4 cxd4 10. Nxd4 O-O 11. Nf3 $5 {[%mdl 4] Exploring less charted territory. A13: English Opening: 1... e6.} a6 12. Be2 Be6 13. Nc3 {[%CAl Bb1c3,Bc3a4,Ba4c5,Bc5d3,Bd3f4,Bf4d5,Bd5e7, Be7c8][%mdl 32] The position is equal.} Rc8 14. Rc1 Bb8 15. Na4 Ne4 16. Nc5 { [#]} Qe7 $146 ({Predecessor:} 16... Bg4 17. Nd3 Re8 18. Nd4 Qd6 19. f4 Bxe2 20. Qxe2 f6 21. Qg4 Rcd8 22. Rf3 Nxd4 23. Bxd4 Qd7 24. Qh4 Qe7 25. Rh3 g6 26. Nf2 Rf8 27. Ng4 Qd7 {1-0 (26) Moiseev,M-Melnikov,D Volgograd 1996}) 17. Nd3 Rfd8 18. Nd4 Ba7 (18... Nxd4 {keeps more tension.} 19. Bxd4 Qh4 20. f4 Rxc1 21. Qxc1 Bf5) 19. Nxc6 bxc6 20. Nf4 Bf5 $1 21. Bg4 Bxg4 (21... Nxf2 $11 22. Rxf2 Qxe3) 22. Qxg4 $14 {[%csl Gb2][%CAl Rg4g7]} f6 {[#]} ({Black should try} 22... Qg5 $14 23. Qxg5 Nxg5) 23. Nxd5 $1 $18 {[%mdl 576] Pin} Qe8 (23... Qd7 24. Qxe4 cxd5) 24. Bxf6 {[%csl Gf6][%CAl Rg4g7][%mdl 64] Double Attack. White is clearly winning.} Rd7 {[#]} 25. Ne7+ $1 {[%mdl 64] Double Attack, Pin} Kf7 ( 25... Rxe7 26. Bxe7) 26. Nxc8 Nxf6 27. Qc4+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.16/Black=0.25} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.1"] [White "Zhu, Jiner"] [Black "Keymer, Vincent"] [Result "0-1"] [ECO "B90"] [WhiteElo "2462"] [BlackElo "2591"] [Annotator "TA"] [PlyCount "98"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,98,0,0,0,0,0,15,0,0,0,14,0,0,0,47,39,66,65,66,65,66,66,69,39,34,34, 37,45,70,0,0,-38,70,62,52,44,64,73,77,-14,-4,-17,-14,-6,0,0,0,-21,22,20,51,76, 483,462,429,329,252,99,360,0,0,0,0,0,8,0,171,0,0,0,10,0,0,0,0,-29990,-29991]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. a4 h6 9. O-O O-O 10. Be3 Be6 11. a5 Nbd7 12. Nd2 Qc7 13. Bf3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Rfc8 14. Qe2 Qc6 15. Rfd1 {The position is equal.} Bd8 {[#]} 16. Ra3 $146 ({Predecessor:} 16. Nf1 b5 17. axb6 Nxb6 18. Ng3 Nc4 19. Bc1 Rab8 20. b3 Nb6 21. Bd2 a5 22. Be1 {1/2-1/2 (100) Prasanna Raghuram,R (2455)-Paragua,M (2500) Rockville 2017}) 16... Nf8 17. Rc1 N8h7 18. h4 Ne8 19. Nd5 Bxd5 20. exd5 Qd7 21. g3 f5 22. c4 Nef6 23. Nf1 e4 24. Bg2 Ng4 25. b4 Nhf6 26. Bd4 (26. Bh3 $14) 26... Nxd5 $1 $11 {[%mdl 64] Pin} 27. Qd2 {[#]} Ne7 ({Black should try} 27... Bf6 $1 $15) 28. f3 $14 exf3 29. Rxf3 Nc6 30. Bb2 Bf6 31. Qd5+ (31. Bxf6 $16 {Strongly threatening Bc3.} Nxf6 32. Ne3) 31... Kh8 32. Bxf6 Nxf6 33. Qxf5 Qc7 {And now ...Nd4 would win.} 34. Rf2 Rf8 35. Qb1 Ne5 36. Ne3 Rae8 37. Rcf1 Nxc4 $2 {[%mdl 8192]} (37... Qd8 $16 {is tougher.}) 38. Nd5 $18 Qf7 39. Nxf6 gxf6 40. Qa1 $2 (40. Rxf6 $18 { and the rest is easy.} Qxf6 41. Rxf6 Rxf6 42. Bxb7) 40... Re5 $2 {[%mdl 8192]} (40... Qg7 $16) 41. Qd4 $2 (41. Rxf6 $18 Qxf6 42. Rxf6 Rxf6 43. Bxb7) 41... Ne3 $11 42. Rxf6 $40 {[%mdl 128] White attacks.} Qxf6 43. Rxf6 Rxf6 44. Bxb7 Nf5 $2 (44... Rf1+ $1 $11 {and Black has nothing to worry.} 45. Kh2 Rf2+ 46. Kh3 h5) 45. Qc3 $2 (45. Qa1 $18 Rg6 46. b5 (46. Bxa6 Rxg3+ 47. Kf2 Rg4 $16) 46... Rxg3+ 47. Kf2) 45... Rg6 46. Kf2 Rxg3 47. Qc8+ Rg8 48. Qc3 Ne3 {Threatens to win with ...Nd1+.} 49. Bxa6 $2 {[%mdl 8192] [#]} (49. Qd3 $11) 49... Nd1+ {[%mdl 64] Double Attack. Black used his chance. Weighted Error Value: White=0.65/ Black=0.53} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.2"] [White "Mendonca, Leon Luke"] [Black "Nihal Sarin"] [Result "1/2-1/2"] [ECO "D32"] [WhiteElo "2549"] [BlackElo "2620"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,30,0,9,0,0,0,16,0,0, 0,0,0,23,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 exd5 6. d4 Nc6 7. Be2 cxd4 8. Nxd4 Bd6 9. O-O O-O 10. Nf3 a6 11. b3 Be6 { D32: Tarrasch Defence: Sidelines and lines without g3.} 12. Bb2 Qe7 13. Rc1 Rad8 14. Na4 Ne4 15. Bxa6 Nb4 {[#]} 16. Be2 $146 ({Predecessor:} 16. Qd4 f6 17. Be2 Nxa2 18. Ra1 Nb4 19. Rfc1 {1-0 (43) Milovanovic,R (2440)-Jelen,I (2405) Pula 1990}) 16... Nxa2 17. Ra1 Nb4 18. Nc3 {[%CAl Ba4c3,Bc3b5,Bb5d4][%mdl 32]} Nc6 {[%CAl Bb4c6,Bc6b4,Bb4a2][%mdl 32]} 19. Nb5 Bc5 20. Nbd4 Nb4 21. Rc1 h6 22. Bb5 (22. Ne5 $5 {[%CAl Rd4e6]}) 22... Na2 23. Rc2 Nb4 24. Rc1 Rc8 25. Be2 Na2 26. Rc2 Nb4 27. Rc1 Rfd8 28. Ne1 Na2 {The position is equal.} 29. Rc2 Nb4 30. Rc1 Na2 31. Rc2 Nb4 32. Rc1 {An uneventful encounter. Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.3"] [White "Praggnanandhaa R"] [Black "Yip, Carissa"] [Result "1-0"] [ECO "E73"] [WhiteElo "2608"] [BlackElo "2430"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,103,25,59,47,59,60,44,42,54,50,60,12,12,23,14,16,17,11,20,10,37,28, 47,47,45,48,55,60,56,46,61,62,54,52,72,45,52,52,66,65,63,56,100,38,75,75,76,76, 76,76,201,171,266,264,514,496,470,508,496,446,474,489,487,0,454,474,474,536, 536,536,536,536,523,523,487,497,575,575,575,575,575,575,575,575,686,681,1245, 1110,875,673,2139,2137,2023,1790]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. h4 e5 7. d5 {E73: King's Indian: Averbakh Variation without 6...c5.} c6 8. h5 cxd5 {...d4 is the strong threat.} 9. cxd5 {White is slightly better.} Nbd7 10. Be3 Nc5 {[#]} 11. h6 $146 ({Predecessor:} 11. Bf3 Qa5 12. Bxc5 Qxc5 13. Nge2 Ng4 14. Bxg4 Bxg4 15. hxg6 fxg6 16. f3 Bxf3 17. gxf3 Rxf3 {0-1 (57) Zorrilla Jimenez,W (2034)-Soto Lora,J (2025) Santo Domingo 2015}) 11... Bh8 12. Bxc5 dxc5 13. Nf3 Ne8 14. Nd2 Bd7 15. a4 Qg5 16. g3 Rd8 17. Qb3 b6 18. O-O-O Nd6 19. Kb1 Qe7 20. Nc4 Rb8 21. Nxd6 Qxd6 22. Bb5 Bg4 23. Rd3 Bf6 24. Qc4 Rfd8 25. Bc6 Qf8 26. f3 Bc8 27. Rhd1 ({Better is} 27. Nb5 $16) 27... Be7 28. Nb5 $36 {[%mdl 2048] Black is under strong pressure. White stays focused until the end. } Ba6 29. Qc1 Bxb5 30. axb5 Rd6 (30... Bd6 $16) 31. Ra3 $18 Qd8 (31... Rc8 $142 32. Rxa7 Rdd8) 32. Rxa7 Bg5 $2 (32... Bf6 {was necessary.} 33. Rf1 Rc8) 33. f4 Bxh6 34. Qc3 Bg7 35. fxe5 Qg5 {[#]} 36. Qf3 $1 {[%CAl Rf3f7]} Qxe5 {[%csl Gg7] [%CAl Re5b2]} 37. Qxf7+ Kh8 {[%csl Gg7][%CAl Re5b2] [#]} 38. Qxg7+ $1 {[%mdl 512] White is clearly winning.} Qxg7 39. Rxg7 Kxg7 {[%mdl 4096] Endgame KRR-KRB } 40. e5 Rdd8 41. d6 Kf7 {...Ke6 would now be nice for Black.} 42. Bd5+ Kg7 43. Bc4 Re8 44. e6 Rbd8 45. Kc2 Kf6 {Now ...Ke5 and Black clings on.} 46. e7 Rd7 47. Rf1+ Kg5 48. Rf8 Rexe7 49. dxe7 Rxe7 50. Rb8 Re3 51. Rxb6 Rxg3 52. Rc6 { Weighted Error Value: White=0.03/Black=0.26} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.4"] [White "Bjerre, Jonas Buhl"] [Black "Abdusattorov, Nodirbek"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2542"] [BlackElo "2634"] [Annotator "RC"] [PlyCount "123"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0: 00:01]} 3. e5 {[%emt 0:00:00]} Bf5 {[%emt 0:00:01]} 4. Nd2 {[%emt 0:00:01]} e6 {[%emt 0:00:03]} 5. Nb3 {[%emt 0:00:01]} Nd7 {[%emt 0:00:18]} 6. Nf3 {[%emt 0: 00:04]} c5 {[%emt 0:00:02]} 7. dxc5 {[%emt 0:00:27]} a6 {[%emt 0:00:01]} 8. Be3 {[%emt 0:00:51]} Ne7 {[%emt 0:00:02]} 9. c4 {[%emt 0:01:02]} Bg4 {[%emt 0:00: 05]} 10. Be2 {[%emt 0:01:14]} dxc4 {[%emt 0:00:10]} 11. Bxc4 {[%emt 0:00:19]} Nf5 {[%emt 0:00:20]} 12. Bd2 {[%emt 0:01:47]} Nxe5 {[%emt 0:00:18]} 13. Be2 { [%emt 0:00:36]} Nd3+ {[%emt 0:00:04]} 14. Bxd3 {[%emt 0:00:09]} Qxd3 {[%emt 0: 00:00]} 15. Qe2 {[%emt 0:00:04]} Qd5 {[%emt 0:00:12]} 16. h3 {[%emt 0:00:24]} Bxf3 {[%emt 0:00:02]} 17. Qxf3 {[%emt 0:00:02]} Qxf3 {[%emt 0:00:02]} 18. gxf3 {[%emt 0:00:00]} O-O-O {[%emt 0:00:05]} 19. Rc1 {[%emt 0:00:10]} Be7 {[%emt 0: 00:06]} 20. Ke2 {[%emt 0:00:07]} Rd5 {[%emt 0:00:06]} 21. Be3 {[%emt 0:00:35]} Rhd8 {[%emt 0:00:04]} 22. Rc4 {[%emt 0:00:09]} Bf6 {[%emt 0:00:06]} 23. Rc2 { [%emt 0:00:11]} Kc7 {[%emt 0:00:42]} 24. Rhc1 {[%emt 0:00:26]} Nd4+ {[%emt 0: 00:36]} 25. Nxd4 {[%emt 0:00:20]} Bxd4 {[%emt 0:00:00]} 26. b4 {[%emt 0:00:23]} Rh5 {[%emt 0:00:18]} 27. Rh1 {[%emt 0:00:26]} Kc6 {[%emt 0:00:05]} 28. a4 { [%emt 0:00:30]} e5 {[%emt 0:00:02]} 29. Rc4 {[%emt 0:00:31]} Bxe3 {[%emt 0:00: 20]} 30. Kxe3 {[%emt 0:00:15]} f5 {[%emt 0:00:07]} 31. h4 {[%emt 0:00:23]} g5 { [%emt 0:00:06]} 32. Rb1 {[%emt 0:00:33]} Rxh4 {[%emt 0:01:52]} 33. b5+ { [%emt 0:00:02]} axb5 {[%emt 0:00:17]} 34. axb5+ {[%emt 0:00:01]} Kc7 {[%emt 0: 00:01]} 35. Rxh4 {[%emt 0:00:03]} gxh4 {[%emt 0:00:00]} 36. Rg1 {[%emt 0:00:18] } h3 {[%emt 0:00:40]} 37. Rg5 {[%emt 0:00:35]} h2 {[%emt 0:03:16]} 38. Rh5 { [%emt 0:00:01]} Rh8 {[%emt 0:00:01]} 39. Rxh2 {[%emt 0:00:02]} h5 {[%emt 0:00: 00]} 40. Rh4 {[%emt 0:00:08]} Kd7 {[%emt 0:00:04]} 41. f4 {[%emt 0:00:07]} e4 { [%emt 0:00:34]} 42. Kd4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:01]} 43. c6 {[%emt 0: 00:07]} b6 {[%emt 0:00:27]} 44. c7 {[%emt 0:00:03]} Kd7 {[%emt 0:00:30]} 45. Ke5 {[%emt 0:00:01]} Kxc7 {[%emt 0:00:01]} 46. Kxf5 {[%emt 0:00:03]} Kd6 { [%emt 0:00:01]} 47. Kxe4 {[%emt 0:00:10]} Ke6 {[%emt 0:00:00]} 48. f5+ { [%emt 0:00:05]} Kf6 {[%emt 0:00:01]} 49. Kf4 {[%emt 0:00:01]} Rh7 {[%emt 0:00: 02]} 50. Rh1 {[%emt 0:00:03]} h4 {[%emt 0:00:03]} 51. Kg4 {[%emt 0:00:07]} Rg7+ {[%emt 0:00:02]} 52. Kf4 {[%emt 0:00:05]} Rh7 {[%emt 0:00:01]} 53. Kg4 { [%emt 0:00:14]} Rg7+ {[%emt 0:00:01]} 54. Kf4 {[%emt 0:00:02]} Rg5 {[%emt 0:00: 00]} 55. Rxh4 {[%emt 0:00:03]} Rxf5+ {[%emt 0:00:00]} 56. Ke4 {[%emt 0:00:03]} Rxb5 {[%emt 0:00:01]} 57. f4 {[%emt 0:00:06]} Rb4+ {[%emt 0:00:03]} 58. Kd3 { [%emt 0:00:03]} Kf5 {[%emt 0:00:03]} 59. Kc3 {[%emt 0:00:02]} Rxf4 {[%emt 0:00: 01]} 60. Rxf4+ {[%emt 0:00:01]} Kxf4 {[%emt 0:00:00]} 61. Kb4 {[%emt 0:00:01]} b5 {[%emt 0:00:01]} 62. Kxb5 {[%emt 0:00:01]} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.5"] [White "Lei, Tingjie"] [Black "Murzin, Volodar"] [Result "1-0"] [ECO "B12"] [WhiteElo "2505"] [BlackElo "2502"] [Annotator "RC"] [PlyCount "73"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0: 00:04]} 3. e5 {[%emt 0:00:00]} Bf5 {[%emt 0:00:03]} 4. Nd2 {[%emt 0:00:01]} e6 {[%emt 0:00:05]} 5. Nb3 {[%emt 0:00:02]} Nd7 {[%emt 0:00:05]} 6. Nf3 {[%emt 0: 00:03]} Ne7 {[%emt 0:00:04]} 7. Be2 {[%emt 0:00:03]} h6 {[%emt 0:00:02]} 8. O-O {[%emt 0:00:01]} g5 {[%emt 0:00:07]} 9. a4 {[%emt 0:00:02]} Bg7 {[%emt 0:00:19] } 10. a5 {[%emt 0:00:17]} Qc7 {[%emt 0:00:06]} 11. Bd2 {[%emt 0:00:29]} Ng6 { [%emt 0:01:20]} 12. c4 {[%emt 0:01:01]} dxc4 {[%emt 0:00:24]} 13. Bxc4 { [%emt 0:00:03]} Rd8 {[%emt 0:00:02]} 14. Qe2 {[%emt 0:00:25]} O-O {[%emt 0:00: 37]} 15. Rfc1 {[%emt 0:00:23]} Rfe8 {[%emt 0:00:41]} 16. Ne1 {[%emt 0:00:23]} Ne7 {[%emt 0:00:35]} 17. Bb4 {[%emt 0:00:18]} c5 {[%emt 0:00:33]} 18. Nxc5 { [%emt 0:00:15]} Nc6 {[%emt 0:00:04]} 19. Nxd7 {[%emt 0:01:16]} Qxd7 {[%emt 0: 00:35]} 20. Bd6 {[%emt 0:01:57]} Nxd4 {[%emt 0:00:05]} 21. Qe3 {[%emt 0:00:07]} Nb5 {[%emt 0:00:02]} 22. Bc5 {[%emt 0:01:08]} a6 {[%emt 0:00:27]} 23. Nf3 { [%emt 0:00:10]} Rc8 {[%emt 0:00:42]} 24. b4 {[%emt 0:00:09]} Nc7 {[%emt 0:00: 23]} 25. Rd1 {[%emt 0:00:10]} Nd5 {[%emt 0:00:12]} 26. Qb3 {[%emt 0:00:09]} Qc6 {[%emt 0:00:09]} 27. Nd4 {[%emt 0:00:04]} Qc7 {[%emt 0:00:17]} 28. Nxf5 { [%emt 0:00:03]} Bxe5 {[%emt 0:00:02]} 29. Nxh6+ {[%emt 0:00:04]} Kg7 {[%emt 0: 00:02]} 30. Ng4 {[%emt 0:00:01]} Bxa1 {[%emt 0:00:03]} 31. Rxa1 {[%emt 0:00:04] } Qf4 {[%emt 0:00:01]} 32. Bxd5 {[%emt 0:00:41]} exd5 {[%emt 0:00:07]} 33. Ne3 {[%emt 0:00:04]} Red8 {[%emt 0:00:15]} 34. Rd1 {[%emt 0:00:14]} d4 {[%emt 0:00: 02]} 35. Nd5 {[%emt 0:00:10]} Qg4 {[%emt 0:00:21]} 36. Bxd4+ {[%emt 0:01:12]} Kh6 {[%emt 0:00:15]} 37. Ne3 {[%emt 0:00:21]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.6"] [White "Abdumalik, Zhansaya"] [Black "Khademalsharieh, Sarasadat"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2472"] [BlackElo "2494"] [Annotator "RC"] [PlyCount "98"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} Nc6 { [%emt 0:00:01]} 3. Bc4 {[%emt 0:00:01]} Bc5 {[%emt 0:00:02]} 4. d3 {[%emt 0:00: 02]} Nf6 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:04]} d6 {[%emt 0:00:07]} 6. c3 { [%emt 0:00:08]} a6 {[%emt 0:00:02]} 7. Re1 {[%emt 0:00:16]} Ba7 {[%emt 0:00:47] } 8. b4 {[%emt 0:00:12]} Ng4 {[%emt 0:00:09]} 9. Rf1 {[%emt 0:00:04]} Nf6 { [%emt 0:00:21]} 10. Nbd2 {[%emt 0:00:27]} h6 {[%emt 0:00:28]} 11. a4 {[%emt 0: 00:14]} g5 {[%emt 0:00:41]} 12. Qb3 {[%emt 0:00:23]} O-O {[%emt 0:00:46]} 13. Ra2 {[%emt 0:01:16]} Ne7 {[%emt 0:00:12]} 14. d4 {[%emt 0:00:33]} Ng6 {[%emt 0: 00:10]} 15. dxe5 {[%emt 0:00:37]} dxe5 {[%emt 0:00:02]} 16. b5 {[%emt 0:00:29]} Bc5 {[%emt 0:00:23]} 17. Qc2 {[%emt 0:00:27]} axb5 {[%emt 0:00:18]} 18. axb5 { [%emt 0:00:02]} Rxa2 {[%emt 0:00:01]} 19. Qxa2 {[%emt 0:00:01]} Qe7 {[%emt 0: 00:07]} 20. Nb3 {[%emt 0:00:19]} Bd6 {[%emt 0:00:03]} 21. Re1 {[%emt 0:00:21]} Kg7 {[%emt 0:00:17]} 22. Nfd2 {[%emt 0:00:11]} Nf4 {[%emt 0:01:14]} 23. Nf1 { [%emt 0:00:08]} Be6 {[%emt 0:00:44]} 24. Qa4 {[%emt 0:00:08]} Nd7 {[%emt 0:00: 13]} 25. Bxe6 {[%emt 0:00:36]} fxe6 {[%emt 0:00:03]} 26. Be3 {[%emt 0:00:20]} Nc5 {[%emt 0:00:17]} 27. Nxc5 {[%emt 0:00:05]} Bxc5 {[%emt 0:00:01]} 28. Qc4 { [%emt 0:00:02]} Bb6 {[%emt 0:00:33]} 29. Bxb6 {[%emt 0:00:30]} cxb6 {[%emt 0: 00:02]} 30. Rd1 {[%emt 0:00:01]} Qc5 {[%emt 0:00:23]} 31. Qxc5 {[%emt 0:00:27]} Ne2+ {[%emt 0:00:08]} 32. Kh1 {[%emt 0:00:09]} bxc5 {[%emt 0:00:02]} 33. f3 { [%emt 0:00:05]} Nxc3 {[%emt 0:00:13]} 34. Rc1 {[%emt 0:00:02]} Nxb5 {[%emt 0: 00:02]} 35. Rxc5 {[%emt 0:00:01]} Nd4 {[%emt 0:00:03]} 36. Ne3 {[%emt 0:00:13]} b5 {[%emt 0:00:10]} 37. Ng4 {[%emt 0:00:19]} b4 {[%emt 0:00:48]} 38. Nxe5 { [%emt 0:00:05]} b3 {[%emt 0:00:49]} 39. Rc7+ {[%emt 0:00:11]} Kg8 {[%emt 0:00: 02]} 40. Rb7 {[%emt 0:00:24]} Rc8 {[%emt 0:00:26]} 41. h4 {[%emt 0:00:11]} gxh4 {[%emt 0:00:14]} 42. Kh2 {[%emt 0:00:09]} Rc5 {[%emt 0:00:08]} 43. Nd7 { [%emt 0:00:30]} Rb5 {[%emt 0:00:08]} 44. Nf6+ {[%emt 0:00:02]} Kf8 {[%emt 0:00: 02]} 45. Rd7 {[%emt 0:00:01]} b2 {[%emt 0:00:17]} 46. Nh7+ {[%emt 0:00:02]} Ke8 {[%emt 0:00:01]} 47. Nf6+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:01]} 48. Nh7+ { [%emt 0:00:00]} Ke8 {[%emt 0:00:02]} 49. Nf6+ {[%emt 0:00:01]} Kf8 {[%emt 0:00: 01]} 1/2-1/2 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.7"] [White "Shuvalova, Polina"] [Black "Liang, Awonder"] [Result "0-1"] [ECO "B01"] [WhiteElo "2489"] [BlackElo "2592"] [Annotator "TA"] [PlyCount "44"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,44,51,52,43,47,43,58,41,54,35,37,13,22,11,74,61,58,18,63,36,36,20,52, 0,28,-50,-39,-47,0,0,0,-4,0,-63,-56,-820,-824]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 g6 6. Bc4 {B01: Scandinavian Defence.} Bg7 7. O-O O-O 8. Re1 {White is slightly better.} a6 {[#]} 9. Bf4 $146 ({Predecessor:} 9. a4 Nc6 10. h3 b6 11. Bf4 Bb7 12. Qd2 e6 13. Rad1 Ne7 14. Ne5 Ned5 15. Bg5 {1-0 (21) Carlsen,M (2862)-Maghsoodloo,P (2676) Chess.com INT 2020}) 9... b5 10. Be2 Bb7 11. Ne5 Nd5 (11... Qc8 $1 $11) 12. Nxd5 $16 Bxd5 13. a4 {[%CAl Ba2a4,Ba4a5] [%mdl 32]} b4 14. a5 Nc6 15. Qd2 Qe8 16. Bf3 (16. Bf1 $14) 16... Rd8 17. Bxd5 ( 17. Bd1 $11) 17... Rxd5 $15 18. c3 Nxa5 {[#] ...Nb3 is the strong threat.} 19. Qe2 ({Avoid the trap} 19. cxb4 $2 Nb3 $19) 19... bxc3 20. bxc3 Bxe5 21. dxe5 ({ Better is} 21. Bxe5 $11 Qc6 22. Bf4) 21... Qc6 $1 22. Ra4 $2 {[%mdl 8192] [#]} Qxa4 {Weighted Error Value: White=0.64/Black=0.15} 0-1 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.8"] [White "Mammadzada, Gunay"] [Black "Salimova, Nurgyul"] [Result "1-0"] [ECO "B15"] [WhiteElo "2443"] [BlackElo "2395"] [Annotator "RC"] [PlyCount "163"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0: 00:02]} 3. Nc3 {[%emt 0:00:02]} dxe4 {[%emt 0:00:01]} 4. Nxe4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 5. Nxf6+ {[%emt 0:00:02]} exf6 {[%emt 0:00:01]} 6. c3 { [%emt 0:00:01]} Bd6 {[%emt 0:00:02]} 7. Bd3 {[%emt 0:00:01]} Na6 {[%emt 0:00: 02]} 8. Qf3 {[%emt 0:00:34]} Nc7 {[%emt 0:00:26]} 9. Ne2 {[%emt 0:00:06]} O-O { [%emt 0:00:54]} 10. O-O {[%emt 0:00:13]} Re8 {[%emt 0:01:44]} 11. Ng3 {[%emt 0: 00:38]} Bxg3 {[%emt 0:01:16]} 12. Qxg3 {[%emt 0:00:22]} Nd5 {[%emt 0:00:15]} 13. Bh6 {[%emt 0:00:25]} g6 {[%emt 0:00:12]} 14. Bd2 {[%emt 0:00:03]} Be6 { [%emt 0:00:23]} 15. b3 {[%emt 0:00:33]} Kg7 {[%emt 0:00:40]} 16. Rfe1 {[%emt 0: 00:20]} Qd7 {[%emt 0:00:11]} 17. c4 {[%emt 0:00:31]} Ne7 {[%emt 0:00:11]} 18. Qh4 {[%emt 0:01:51]} h5 {[%emt 0:00:10]} 19. Bc3 {[%emt 0:00:13]} Ng8 {[%emt 0: 00:51]} 20. h3 {[%emt 0:00:13]} Bf5 {[%emt 0:00:09]} 21. Bf1 {[%emt 0:00:15]} a5 {[%emt 0:00:45]} 22. f3 {[%emt 0:00:47]} a4 {[%emt 0:00:25]} 23. g4 { [%emt 0:02:21]} hxg4 {[%emt 0:00:17]} 24. hxg4 {[%emt 0:00:05]} g5 {[%emt 0:00: 07]} 25. Qh2 {[%emt 0:00:29]} Bg6 {[%emt 0:00:04]} 26. Qd2 {[%emt 0:00:30]} axb3 {[%emt 0:00:24]} 27. axb3 {[%emt 0:00:01]} Qd6 {[%emt 0:00:07]} 28. Kg2 { [%emt 0:00:09]} Ne7 {[%emt 0:00:48]} 29. Rxa8 {[%emt 0:00:10]} Rxa8 {[%emt 0: 00:02]} 30. Bb4 {[%emt 0:00:01]} Ra2 {[%emt 0:00:15]} 31. Qxa2 {[%emt 0:00:12]} Qxb4 {[%emt 0:00:01]} 32. Re3 {[%emt 0:00:08]} Bh7 {[%emt 0:00:28]} 33. Qa4 { [%emt 0:00:59]} Qd6 {[%emt 0:00:08]} 34. Qa7 {[%emt 0:00:01]} Ng6 {[%emt 0:00: 13]} 35. Qc5 {[%emt 0:00:02]} Nh4+ {[%emt 0:00:16]} 36. Kf2 {[%emt 0:00:19]} Qh2+ {[%emt 0:00:05]} 37. Ke1 {[%emt 0:00:01]} Qg1 {[%emt 0:00:36]} 38. Ke2 { [%emt 0:00:14]} Ng6 {[%emt 0:00:27]} 39. Re4 {[%emt 0:00:16]} Nf4+ {[%emt 0:00: 08]} 40. Rxf4 {[%emt 0:00:04]} gxf4 {[%emt 0:00:01]} 41. Qe7 {[%emt 0:00:05]} Qxd4 {[%emt 0:00:03]} 42. Ke1 {[%emt 0:00:05]} Qc3+ {[%emt 0:00:06]} 43. Kf2 { [%emt 0:00:02]} Qxb3 {[%emt 0:00:10]} 44. g5 {[%emt 0:00:02]} Qb2+ {[%emt 0:00: 03]} 45. Kg1 {[%emt 0:00:12]} Qd4+ {[%emt 0:00:01]} 46. Kg2 {[%emt 0:00:02]} fxg5 {[%emt 0:00:05]} 47. Qxg5+ {[%emt 0:00:02]} Bg6 {[%emt 0:00:01]} 48. Qe7 { [%emt 0:00:09]} Qd2+ {[%emt 0:00:08]} 49. Kh1 {[%emt 0:00:04]} Qb2 {[%emt 0:00: 13]} 50. c5 {[%emt 0:00:05]} Qc3 {[%emt 0:00:06]} 51. Bg2 {[%emt 0:00:06]} Qc1+ {[%emt 0:00:06]} 52. Kh2 {[%emt 0:00:02]} Qb2 {[%emt 0:00:02]} 53. Qd6 { [%emt 0:00:06]} Qf6 {[%emt 0:00:04]} 54. Qc7 {[%emt 0:00:04]} Qh4+ {[%emt 0:00: 05]} 55. Kg1 {[%emt 0:00:01]} Qe1+ {[%emt 0:00:01]} 56. Kh2 {[%emt 0:00:01]} Qb4 {[%emt 0:00:12]} 57. Qe5+ {[%emt 0:00:03]} Kh7 {[%emt 0:00:01]} 58. Qe7 { [%emt 0:00:08]} b6 {[%emt 0:00:07]} 59. Qh4+ {[%emt 0:00:04]} Kg7 {[%emt 0:00: 01]} 60. cxb6 {[%emt 0:00:01]} Qxb6 {[%emt 0:00:01]} 61. Qxf4 {[%emt 0:00:01]} Qc5 {[%emt 0:00:02]} 62. Qc7 {[%emt 0:00:10]} Qh5+ {[%emt 0:00:03]} 63. Kg1 { [%emt 0:00:02]} c5 {[%emt 0:00:02]} 64. f4 {[%emt 0:00:14]} Qd1+ {[%emt 0:00: 02]} 65. Kh2 {[%emt 0:00:02]} Qh5+ {[%emt 0:00:00]} 66. Kg1 {[%emt 0:00:01]} Qf5 {[%emt 0:00:01]} 67. Kh2 {[%emt 0:00:09]} Qc2 {[%emt 0:00:12]} 68. Qe5+ { [%emt 0:00:03]} Kh7 {[%emt 0:00:02]} 69. Kg3 {[%emt 0:00:18]} c4 {[%emt 0:00: 11]} 70. Bh3 {[%emt 0:00:03]} Qd3+ {[%emt 0:00:10]} 71. Kh4 {[%emt 0:00:01]} Qd8+ {[%emt 0:00:03]} 72. Kg3 {[%emt 0:00:05]} Qd3+ {[%emt 0:00:02]} 73. Kh4 { [%emt 0:00:01]} Qe4 {[%emt 0:00:24]} 74. Qc7 {[%emt 0:00:19]} c3 {[%emt 0:00: 06]} 75. Kg5 {[%emt 0:00:05]} c2 {[%emt 0:00:01]} 76. Bg4 {[%emt 0:00:03]} Qe3 {[%emt 0:00:07]} 77. Bf5 {[%emt 0:00:04]} Qg3+ {[%emt 0:00:05]} 78. Kf6 { [%emt 0:00:01]} Qh4+ {[%emt 0:00:02]} 79. Ke5 {[%emt 0:00:00]} Qe1+ {[%emt 0: 00:03]} 80. Kf6 {[%emt 0:00:02]} c1=Q {[%emt 0:00:04]} 81. Qxf7+ {[%emt 0:00: 04]} Kh8 {[%emt 0:00:06]} 82. Qg7# {[%emt 0:00:01]} 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.9"] [White "Saduakassova, Dinara"] [Black "Badelka, Olga"] [Result "1-0"] [ECO "D02"] [WhiteElo "2500"] [BlackElo "2418"] [Annotator "RC"] [PlyCount "97"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "600+5"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} e6 { [%emt 0:00:02]} 3. Bf4 {[%emt 0:00:01]} d5 {[%emt 0:00:08]} 4. e3 {[%emt 0:00: 03]} c5 {[%emt 0:00:10]} 5. c3 {[%emt 0:00:31]} Nc6 {[%emt 0:00:04]} 6. Nbd2 { [%emt 0:00:16]} Nh5 {[%emt 0:00:08]} 7. Be5 {[%emt 0:00:34]} f6 {[%emt 0:00:10] } 8. Bg3 {[%emt 0:00:17]} g6 {[%emt 0:00:32]} 9. Bd3 {[%emt 0:00:13]} Be7 { [%emt 0:00:16]} 10. Qc2 {[%emt 0:00:11]} Bd7 {[%emt 0:01:45]} 11. dxc5 { [%emt 0:00:27]} Bxc5 {[%emt 0:00:14]} 12. e4 {[%emt 0:00:23]} Nxg3 {[%emt 0:02: 40]} 13. hxg3 {[%emt 0:00:03]} Qb6 {[%emt 0:00:18]} 14. Nb3 {[%emt 0:00:39]} dxe4 {[%emt 0:00:16]} 15. Bxe4 {[%emt 0:00:08]} O-O-O {[%emt 0:00:05]} 16. Nxc5 {[%emt 0:00:04]} Qxc5 {[%emt 0:00:02]} 17. O-O-O {[%emt 0:00:01]} f5 {[%emt 0: 00:51]} 18. Bxc6 {[%emt 0:00:17]} Bxc6 {[%emt 0:00:02]} 19. Ng5 {[%emt 0:01:26] } Qe7 {[%emt 0:01:16]} 20. f4 {[%emt 0:01:16]} Rxd1+ {[%emt 0:00:03]} 21. Qxd1 {[%emt 0:00:30]} e5 {[%emt 0:00:19]} 22. Qe1 {[%emt 0:00:37]} e4 {[%emt 0:00: 30]} 23. Qe3 {[%emt 0:00:02]} Kb8 {[%emt 0:00:42]} 24. Nf3 {[%emt 0:02:19]} Qf7 {[%emt 0:00:29]} 25. Qd4 {[%emt 0:00:33]} Rc8 {[%emt 0:00:10]} 26. Ne5 { [%emt 0:00:03]} Qxa2 {[%emt 0:00:07]} 27. Nxc6+ {[%emt 0:00:03]} bxc6 {[%emt 0: 00:22]} 28. Rxh7 {[%emt 0:00:11]} c5 {[%emt 0:00:20]} 29. Qd6+ {[%emt 0:00:01]} Ka8 {[%emt 0:00:01]} 30. Qd7 {[%emt 0:00:09]} Qa6 {[%emt 0:00:09]} 31. Qd5+ { [%emt 0:00:14]} Kb8 {[%emt 0:00:08]} 32. Rg7 {[%emt 0:00:35]} Qf1+ {[%emt 0:00: 03]} 33. Kc2 {[%emt 0:00:05]} Qa6 {[%emt 0:00:13]} 34. g4 {[%emt 0:00:16]} e3 { [%emt 0:00:11]} 35. Qe5+ {[%emt 0:00:04]} Ka8 {[%emt 0:00:01]} 36. Qxe3 { [%emt 0:00:03]} fxg4 {[%emt 0:00:04]} 37. Qe4+ {[%emt 0:00:02]} Kb8 {[%emt 0: 00:01]} 38. Rxg6 {[%emt 0:00:05]} Qf1 {[%emt 0:00:06]} 39. Rg7 {[%emt 0:00:07]} Qb5 {[%emt 0:00:11]} 40. f5 {[%emt 0:00:07]} Re8 {[%emt 0:00:05]} 41. Re7 { [%emt 0:00:07]} Rxe7 {[%emt 0:00:03]} 42. Qxe7 {[%emt 0:00:01]} Qf1 {[%emt 0: 00:07]} 43. Qd6+ {[%emt 0:00:04]} Kb7 {[%emt 0:00:04]} 44. Qd5+ {[%emt 0:00:03] } Kb6 {[%emt 0:00:05]} 45. Qe6+ {[%emt 0:00:04]} Kb7 {[%emt 0:00:02]} 46. Qe4+ {[%emt 0:00:01]} Kb6 {[%emt 0:00:04]} 47. Kb3 {[%emt 0:00:03]} Qd1+ {[%emt 0: 00:08]} 48. Ka2 {[%emt 0:00:04]} Qa4+ {[%emt 0:00:07]} 49. Qxa4 {[%emt 0:00:01] } 1-0 [Event "Gelfand Challenge"] [Site "Chess24"] [Date "2021.06.04"] [Round "5.10"] [White "Yoo, Christopher Woojin"] [Black "Gukesh D"] [Result "1-0"] [ECO "A90"] [WhiteElo "2457"] [BlackElo "2578"] [Annotator "Shahid"] [PlyCount "75"] [EventDate "2021.06.10"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Koya+Number of black wins+Number of wins"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,75,61,57,57,61,62,31,35,-5,5,-14,5,0,13,-12,8,16,62,42,89,0,0,0,21, 23,20,0,0,0,19,0,10,-206,-193,-179,-4,-18,-25,-10,-14,-13,508,79,74,74,75,75, 82,86,76,88,97,-8,227,3,212,37,441,406,647,550,837,682,5922,5922]} 1. d4 f5 2. Nf3 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Qe7 6. Bg2 O-O 7. O-O Bxd2 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} 8. Nbxd2 d6 9. b4 e5 {White is slightly better.} 10. dxe5 (10. e4 $5) 10... dxe5 11. Qb3 c5 12. bxc5 Nc6 13. e3 {[#]} Nd7 $146 ({Predecessor:} 13... Qxc5 14. Qc3 Nd5 15. Qc1 Nb6 16. Rb1 e4 17. Rb5 Qe7 18. Nd4 Bd7 19. Rb2 Ne5 {1/2-1/2 (42) Papp,T (2286) -Radnetter,G (2285) Oberwart 2012}) 14. Qa3 g5 15. Nb3 g4 16. Nfd2 ({White should play} 16. Nh4 $1 $16) 16... e4 $11 17. Rfd1 Nde5 18. Nd4 Be6 19. Qc3 Qf6 20. Rac1 Nd3 21. Rb1 Rfd8 {[%CAl Rc6d4]} (21... Rad8 {feels hotter.} 22. Rxb7 Nxc5 23. Rc7 Nxd4 24. exd4 Qxd4 25. Qxd4 Rxd4 26. Rxc5 Rfd8) 22. Bxe4 $2 (22. N2b3 $11) 22... Nxd4 $19 (22... fxe4 23. Nxe4 Qg6 24. Nxe6 $18 (24. Qxd3 Nxd4 25. exd4 Bf5 $11) (24. Rxd3 Qxe4 25. Nxe6 Qxe6 $11) (24. Rxb7 $2 Nxd4 25. exd4 Qxe4 $19 {[%mdl 64] Double Attack})) 23. exd4 {[#]} Nxf2 $2 {[%mdl 512]} (23... fxe4 24. Nxe4 Qxd4 $19) 24. Bxb7 (24. Kxf2 fxe4+) 24... Nxd1 25. Rxd1 Rab8 26. c6 {[%CAl Rc6c7]} Rxd4 $4 {[%mdl 8192] [#]} (26... Qxd4+ $11 27. Qxd4 Rxd4 28. Re1 Kf7) 27. Re1 $2 (27. Nf1 $1 $18 {[%mdl 512]} Rbd8 28. c7 R8d6 29. Re1 Bd7 30. c5 Re6 31. Rxe6 Bxe6 32. Bd5) 27... Kf7 $16 {[#]} 28. Rxe6 Kxe6 {[#]} 29. c7 $1 Rf8 {Hoping for ...Kd7.} (29... Re8 30. c8=Q+) 30. c8=Q+ Rxc8 31. Bxc8+ Kf7 {[#] White must now prevent ...Rd8!} 32. Bxf5 Qe5 $2 {[#]} (32... Rd8 $11 { and Black is okay.} 33. Qa5 Qd4+ {[%mdl 64] Double Attack} 34. Kf1 Qxd2 35. Qxa7+ Kf6 36. Bxg4 Qc1+ 37. Kf2 Qd2+ 38. Kf1 Qc1+ 39. Kf2 Qd2+ 40. Kf1) 33. Be4 $1 h5 $2 (33... Rxe4 $11 {and Black stays safe.} 34. Nxe4 Qxe4) 34. Kf2 $2 (34. Qe3 $18 {And now Bd5+ would win.} Kg7 35. Kf2) 34... Qc5 {[%mdl 8192]} (34... Rxe4 $14 35. Nxe4 Qxe4) 35. Ke2 $18 Ke7 (35... Rd6 $142 36. Kd1 h4) 36. Qe3 { White is clearly winning.} Kd8 37. Bd5 Qb6 38. Nb3 {Weighted Error Value: White=0.74/Black=0.99} 1-0