[Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.1"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "E90"] [WhiteElo "2586"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "58"] [EventDate "2021.05.25"] [EventType "k.o."] {[%evp 16,58,36,37,35,15,3,0,1,-14,-6,-6,-9,-5,0,-10,5,0,15,-6,-5,-8,0,0,6,10, 6,-14,0,-24,-5,-37,-42,-55,-53,-51,-14,-17,0,-39,-43,-18,24,19,107]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. h3 e6 8. Nf3 exd5 9. exd5 Bf5 {E90: King's Indian: Classical: Early deviations and 6 h3.} 10. O-O Ne4 11. Nxe4 Bxe4 {[#]} 12. Qb3 $146 ({Predecessor:} 12. Re1 Bxf3 13. Bxf3 Nd7 14. Qc2 Ne5 15. Be2 Qh4 16. Bd2 f5 17. b4 Nd7 18. Bc3 Bxc3 19. Qxc3 cxb4 20. Qxb4 { 0-1 (54) Kazhgaleyev,M (2566)-Ivanisevic,I (2623) St Petersburg 2014}) 12... Qb6 13. Qe3 Bxf3 14. Qxf3 Nd7 15. Rb1 Rfe8 16. Bf4 (16. b3 {is interesting.} Qa5 17. a4 f5 18. Bd3 Ne5 19. Qd1) 16... Ne5 17. Qb3 Qxb3 18. axb3 a5 19. Rfe1 a4 20. bxa4 Rxa4 21. Bd2 Rea8 ({But not} 21... Nxc4 $2 22. Bxc4 Rxe1+ 23. Rxe1 $18) 22. Rbc1 Ra2 23. Bc3 Nd7 24. Bg4 Bxc3 25. Rxc3 f5 26. Re7 Nf6 27. Bf3 Rxb2 28. Rce3 Ra1+ 29. Kh2 $1 {[#] R3e6 is the strong threat.} Rbb1 {[%mdl 32768] Weighted Error Value: White=0.10/Black=0.10. Loss on time!?} (29... Ra8 $11 { keeps the balance.}) 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.2"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "0-1"] [ECO "C50"] [WhiteElo "2389"] [BlackElo "2586"] [Annotator "TA"] [PlyCount "76"] [EventDate "2021.05.25"] [EventType "k.o."] {[%evp 13,75,-50,-5,-9,-4,-34,14,-38,0,0,0,0,0,0,0,-39,34,12,21,3,18,14,23,23, 57,37,45,-18,-19,-35,72,75,66,72,85,0,0,0,104,112,92,139,43,0,0,0,0,-36,-23, -37,-37,-66,-85,-93,0,-459,-286,-529,-110,-114,-94,-1452,216,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 $1 {7...d6 is better than 7...h6.} 8. f4 $1 {C50: Hungarian Defence and Giuoco Pianissimo. } Be6 9. Na3 Qe7 10. c3 (10. fxe5 $11 dxe5 11. c3) 10... Bxc4 (10... Nc6 { keeps more tension.} 11. Bd5 Qd7 12. Nc2 O-O-O 13. a4 Kb8) 11. Nxc4 Ne6 12. Bxf6 gxf6 {[#]} 13. f5 $146 ({Predecessor:} 13. fxe5 fxe5 14. Ne3 O-O-O 15. Nd5 Qd7 16. Qh5 Rdf8 17. Rf6 c6 18. Ne3 Rhg8 19. Rd1 {1/2-1/2 (31) Lopez Silva,H (2376)-Cortes Moyano,J (2286) Santiago de Chile 2009}) 13... Nc5 14. Qc2 O-O ( 14... Qd7 $15) 15. Rf3 {[%mdl 1024] White has compensation.} Kh8 16. b4 Nd7 17. Ne3 c6 18. Rd1 Rad8 19. Qd2 {And now Ng4 would win.} Nb6 20. Ng4 ({Better is} 20. Rh3 $14 Rg8 21. c4) 20... Rg8 $11 21. Rg3 {White wants to play Qh6!} Qf8 ( 21... Rg5 $1 $15 {keeps the upper hand.}) 22. Nxf6 $16 Rxg3 23. hxg3 d5 24. Nh5 (24. Qg5 $16 h6 25. Qh4) 24... f6 25. g4 d4 (25... Nc4 $11 {remains equal.} 26. Qf2 Qh6) 26. g5 $1 {[%CAl Rg5g6] Hoping for g6.} Nc4 27. Qe2 Ne3 28. Rd3 fxg5 29. Qf3 {Threatening Qg3.} h6 30. Qg3 Qe8 $36 {[%mdl 2048] Black has some pressure.} 31. Nf6 Qe7 32. cxd4 exd4 ({Avoid the trap} 32... Qxf6 $2 33. dxe5 Qf8 34. Qxe3 $18) 33. Ng4 Qxe4 (33... Nxg4 $17 34. Qxg4 Kg8) 34. Nf2 {[%mdl 8192]} (34. Nxe3 $11 {and White has nothing to worry.} Qxd3 {[%mdl 64] Pin} 35. Qe5+ Kg8 36. Qe6+ {[%mdl 64] Double Attack} Kf8 37. Qf6+ Ke8 38. Qe6+ Kf8 39. Qf6+ Ke8 40. Qe6+ Kf8) 34... Qf4 35. Qh3 (35. Qxf4 gxf4 36. Nh3) 35... Qh4 $2 ( 35... g4 $19 {has better winning chances.} 36. Qh4 Rf8) 36. Qf3 $17 Re8 { ...Ng4! is the strong threat.} 37. f6 $2 {[%mdl 8192] [#]} (37. g3 $17 g4 38. Qf4) 37... Nd5 $4 {[%mdl 8192]} (37... Ng4 $1 $19 {[%CAl Re8e1][%mdl 512]} 38. Rd1 (38. Nxg4 Re1+) 38... Qh2+ 39. Kf1 Ne3+ {[%mdl 64] Double Attack} 40. Ke1 Nxd1+ 41. Kd2 Nxf2) 38. f7 $4 {[%mdl 8192]} (38. g3 $18 g4 {[#]} 39. Qxd5 $3 { [%mdl 512]} (39. gxh4 $2 gxf3 40. Rxf3 Re3 $17) 39... Qxf6 40. Qxd4 Qxd4 41. Rxd4) 38... Re1# {Weighted Error Value: White=0.77/Black=0.73} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.3"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "D74"] [WhiteElo "2586"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "92"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] {[%evp 18,92,28,10,0,-26,-22,-19,-30,-18,-27,-47,0,-10,-8,-6,8,10,29,25,20,0,0, 0,104,95,209,24,26,22,28,15,15,-10,-10,-21,-20,-22,-7,-31,-16,-277,-278,-275, -280,-281,-289,-271,-271,-277,-282,-254,-254,-306,-314,-297,-300,-472,-472, -462,-456,-408,-266,-268,-139,-194,-136,-480,-473,-460,-456,-676,-655,-552, -190,-704,-815]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O Nc6 6. d4 d5 7. cxd5 Nxd5 8. e4 Nb6 9. d5 Na5 10. Qc2 c6 {D74: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0).} 11. dxc6 (11. Bd2 $5 {[%CAl Rd2a5]} Nac4 12. Bc3 $11) 11... Nxc6 12. Rd1 Qe8 {The position is equal.} 13. h3 Be6 14. Nc3 {[#]} Rc8 $146 ({Predecessor:} 14... Nb4 15. Qb1 Rd8 16. Be3 Rxd1+ 17. Qxd1 Qc8 18. Rc1 Rd8 19. Nd5 Qd7 20. Bxb6 axb6 {0-1 (43) Harff,M (2412)-Yoo,C (2414) Heraklion 2019}) 15. Bf4 Nb4 16. Qb1 Na4 17. Nd4 Bd7 18. e5 Nc5 19. g4 Nc6 20. Nf3 f5 (20... Nd8 $11 {remains equal.}) 21. exf6 $1 $16 exf6 (21... Bxf6 $16 { is a better defense.} 22. Bh6 Rf7) 22. Re1 $2 {[#]} (22. Bd6 $18 b6 23. Bxf8 Kxf8 24. Re1) 22... Ne5 $11 23. Nxe5 fxe5 24. Bg3 Bc6 25. Qd1 Rd8 26. Qe2 Bxg2 27. Kxg2 Qc6+ 28. Kh2 Ne6 {aiming for ...Nd4.} 29. Rad1 {[%mdl 8192]} (29. Qe4 $11 {and White stays safe.}) 29... Nd4 $19 30. Qe4 Nf3+ {[%mdl 64] [#] Double Attack} 31. Kg2 Nxe1+ 32. Rxe1 Rd2 33. Qxc6 bxc6 34. b3 Rc2 35. Re3 Bh6 36. Rd3 Bf4 37. Bh4 (37. Ne4 {was necessary.}) 37... g5 38. Bg3 Bxg3 39. Kxg3 Rfxf2 { [%mdl 4096] Endgame Threatens to win with ...Rfd2. KRR-KRN} 40. Ne4 Rg2+ 41. Kf3 Rxa2 (41... h6 $19 {Hoping for ...Rh2.} 42. Rd8+ Kg7 43. Rd7+ Kf8) 42. Nxg5 $2 {[%mdl 8192] Now White is beyond hope.} (42. Rd8+ $17 Kg7 43. Rd7+ Kf8 44. Rxh7) 42... Raf2+ 43. Ke4 Re2+ 44. Kf5 (44. Kf3 $142 Rgf2+ 45. Kg3) 44... Rgf2+ 45. Ke6 h6 $2 (45... Rf8 46. Rd7 h6) 46. Rd8+ $2 (46. Nf3) 46... Rf8 {Weighted Error Value: White=0.69/Black=0.34} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.4"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "E20"] [WhiteElo "2389"] [BlackElo "2586"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] {[%evp 11,91,-21,0,0,0,0,51,71,58,39,44,46,52,85,83,53,92,100,95,91,99,39,52,0, 71,88,63,73,55,55,84,87,83,43,60,67,26,0,15,14,19,15,55,50,402,406,407,401,663, 676,691,63,290,283,267,295,290,289,291,298,266,275,291,253,238,14,18,18,21,10, 8,8,69,0,1363,1379,1244,1195,4133,1195,4710,1126]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. e4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} dxe4 8. fxe4 {Strongly threatening e5.} Nxe4 (8... e5 $1 $11) 9. Qg4 $1 $14 { [%CAl Rg4e4] White is slightly better.} Nf6 10. Qxg7 Rg8 11. Qh6 {[#]} Rg6 $146 ({Predecessor:} 11... c5 12. Nf3 Nc6 13. Bg5 Rg6 14. Qh4 cxd4 15. Bd3 Rxg5 16. Nxg5 dxc3 17. Rd1 Qd4 18. Qxd4 Nxd4 {0-1 (71) Volkov,S (2630)-Moiseenko,A (2625) Internet 2004}) 12. Qe3 Ng4 13. Qe2 c5 14. Nf3 cxd4 15. cxd4 Nc6 16. Bb2 ({White should play} 16. d5 $16 Ne7 17. h3) 16... Qa5+ 17. Nd2 (17. Qd2 $14) 17... Bd7 (17... Qb6 $11 {keeps the balance.} 18. Nf3 Bd7) 18. h3 $16 Nh6 19. Qf2 O-O-O 20. Bd3 f5 {[#]} 21. O-O-O $1 Qc7 22. Kb1 (22. Nb3 {feels hotter.} Kb8 23. Kb1 e5 24. d5 Ne7 25. Nc5) 22... Qg3 23. Qxg3 Rxg3 24. Bf1 Be8 25. Nf3 Bh5 26. d5 $36 {[%mdl 2048] White has some pressure.} Rxf3 27. Be2 {[%mdl 64] [#] Pin} ({Don't play} 27. gxf3 Bxf3 28. Rg1 Bxd1 $17) 27... Rf2 $2 {[%mdl 8192]} ({Better is} 27... Rxh3 $14 28. Rxh3 Bxe2) 28. Bxh5 $18 exd5 29. cxd5 Na5 (29... Rxb2+ $142 30. Kxb2 Ne5) 30. Rc1+ Kd7 31. Bf3 $2 (31. Be5 $18 { [%csl Ge5][%CAl Rc1c7]} Rc8 32. Rxc8 Kxc8 33. Rc1+ Kd8 34. Bc7+ Ke7 35. Bxa5) 31... b5 $2 (31... Nb3 $14) 32. Bd4 Rxf3 33. gxf3 Nc4 34. Ka2 Kd6 35. a4 ({ Less strong is} 35. Bxa7 Ra8 $11) 35... a6 36. Rhd1 Nf7 37. f4 Rg8 38. Be5+ $2 ({White should try} 38. Bc3 $18) 38... Nfxe5 39. fxe5+ Nxe5 40. axb5 axb5 $11 { [%mdl 4096] Endgame KRR-KRN} 41. Kb3 Nc4 (41... f4 $11) 42. Re1 (42. Kb4 $14) 42... Ne3 $2 {[%mdl 8192]} 43. Rxe3 $18 {White is clearly winning.} f4 44. Rf3 Ke5 45. Re1+ Kf5 46. Ref1 {Weighted Error Value: White=0.39/Black=0.47} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.5"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "1-0"] [ECO "A62"] [WhiteElo "2595"] [BlackElo "2723"] [Annotator "TA"] [PlyCount "109"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,109,22,27,37,29,67,36,37,36,38,29,41,35,51,47,48,0,86,85,84,90,129, 129,256,226,250,238,268,257,247,231,264,150,138,150,195,192,233,229,214,218, 228,219,367,372,365,350,358,283,283,283,513,381,740,607,772,572,680,0,759,751, 682,620,841,857,1038,1031,1009,908,789,771,828,823,1833,1743,2041,1815,1949, 1943,1843,1840,1665,1489,2609,2459,29976,5185,29977,7638,29986,29987,29985, 29985]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. g3 d6 6. Bg2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Bf4 b6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 11. Re1 Ba6 12. a4 {[#]} Ne4 $146 {White is slightly better.} ({Predecessor:} 12... Nh5 13. Bg5 Nf6 14. Qd2 Bb7 15. e4 Nbd7 16. Bf4 Bf8 17. Rad1 Ng4 18. Nb5 Ngf6 19. h3 a6 20. Nc3 Ne5 21. Nxe5 dxe5 22. Bg5 Qd6 23. Rf1 Nd7 {1/2-1/2 (23) Moise,A (2210)-Strassner,A Nickenich 1996}) 13. Qc2 Nxc3 14. bxc3 Nd7 {[%CAl Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 15. e4 Qc7 16. Rad1 c4 17. Re2 (17. e5 $5) 17... f6 (17... Nc5 $11 {remains equal.}) 18. Nd4 $16 Nc5 19. Bh3 Nd3 20. Ne6 Rxe6 21. Bxe6+ $18 ({Don't take} 21. dxe6 $6 Re8 $16) 21... Kh8 22. Be3 Re8 23. Bd4 Bc8 24. Bxc8 Qxc8 25. Rxd3 (25. a5 $18) 25... cxd3 $16 26. Qxd3 Qd7 27. Qb5 Qxb5 28. axb5 $18 {[%mdl 4096] Endgame KRB-KRB} f5 29. f3 fxe4 30. fxe4 ({Don't do} 30. Rxe4 $6 Bxd4+ 31. cxd4 Rf8) 30... Rc8 (30... Kg8 $142 31. Kf2 Kf7) 31. Kf2 Kg8 32. Ke3 Rc7 33. Rf2 Bh6+ 34. Kd3 Bg7 $2 {[#]} ( 34... Rf7 35. Re2 Bf8) 35. g4 h6 $2 (35... Bf8 36. e5 dxe5) 36. h3 Rd7 37. Rf3 Re7 38. Rf2 $2 {[#]} (38. Bxg7 $18 Kxg7 39. Kd4) 38... Kh7 {[%mdl 8192]} (38... Rd7 $11) 39. Bxg7 Kxg7 {KR-KR} 40. Kd4 Re8 41. h4 Re7 42. c4 Re5 43. Ra2 Re7 44. Re2 Re5 45. Rf2 Re7 46. g5 hxg5 47. hxg5 Re5 48. Rf6 Rxg5 49. Rxd6 Rg1 50. Rd7+ Kf6 51. e5+ Kf5 52. Rf7+ Kg4 53. e6 Re1 54. e7 g5 55. d6 {Weighted Error Value: White=0.41/Black=1.01} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.6"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "0-1"] [ECO "C42"] [WhiteElo "2712"] [BlackElo "2629"] [Annotator "TA"] [PlyCount "64"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,64,3,21,-23,-16,-19,-13,-24,-31,-31,-17,-27,-3,-1,1,4,27,-17,-23,-27, -31,-35,-13,-16,0,0,0,0,0,0,0,5,9,-11,-20,-35,-40,-39,-22,-142,-118,-135,-58, -72,-63,-70,-39,-121,-112,-459,-473,-907,-333,-29987,-29988]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Qe2 Qe7 6. Ne3 Nf6 (6... c6 {is interesting.} 7. d4 d5 8. c4 dxc4 9. Nc3 Nd6) 7. b3 Nc6 8. Bb2 Be6 $1 9. g3 {The position is equal.} O-O-O 10. Bg2 d5 11. d4 Qd7 12. Nd2 Bb4 13. c3 Bd6 14. O-O-O Rhe8 15. Kb1 Ng4 16. Ka1 Nxe3 17. fxe3 Bg4 18. Bf3 Bxf3 19. Qxf3 Qe6 20. Rhf1 Rd7 21. Rde1 Rde7 22. e4 {Threatens to win with e5.} Qg6 23. e5 {[#]} f6 $1 {[%CAl Rf6e5]} 24. Qxd5 fxe5 25. Rc1 (25. Nc4 $11 {keeps the balance.}) 25... exd4 $17 26. Nc4 d3 ({Black should try} 26... Rd7 $17 {And now ...Bf4! would win.} 27. Qf5 Qxf5 28. Rxf5 d3) 27. Nxd6+ $15 Qxd6 28. Qxd6 cxd6 29. c4 (29. Rcd1 $15) 29... Re2 {aiming for ...d2.} 30. Rfd1 {[%mdl 8192]} (30. Rcd1 $17 {is more resistant.}) 30... Nb4 $19 {White must now prevent ...d2.} 31. Bxg7 (31. a3 $142 d2 32. Rb1 Nc2+ 33. Ka2) 31... d2 $2 (31... Rxa2+ 32. Kb1 d2) 32. Rc3 $2 { [#]} (32. Rb1 $19 Nc2+ 33. Kb2) 32... Re1 {Weighted Error Value: White=0.93/ Black=0.20} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.7"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "E61"] [WhiteElo "2658"] [BlackElo "2702"] [Annotator "TA"] [PlyCount "74"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,74,0,30,0,25,31,50,45,68,51,52,38,99,95,101,94,108,56,70,45,57,58,39, 38,47,11,77,34,47,49,52,17,47,-23,125,131,195,50,69,70,68,0,0,-11,-2,-13,-14, -19,14,13,12,0,0,0,0,0,0,0,23,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 Nc6 6. e3 d6 7. Nge2 e5 8. O-O Bd7 9. h3 {E61: King's Indian: Early deviations for White, including Smyslov System.} Re8 10. d5 Ne7 11. e4 { White is slightly better.} Rf8 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Be3 b6 13. b4 Nh5 14. c5 f5 15. c6 Be8 16. exf5 gxf5 17. f4 Ng6 18. Qd2 a6 19. Kh2 { 1-0 (35) Batchuluun,T (2493)-Amini,H Istanbul 2012}) 12... h6 13. Be3 Ne8 ( 13... Nh5 $14) 14. Qd2 $16 Kh7 15. f4 f5 16. fxe5 (16. Rf2 $16) 16... dxe5 $14 17. c5 Nf6 18. d6 cxd6 19. cxd6 Nc6 20. Kh2 Be6 (20... Qe8 $11) 21. Rad1 Qd7 22. exf5 gxf5 23. Nb5 Ne4 24. Qe1 (24. Qc1 $14) 24... Rad8 {[#]} ({Reject} 24... Bxa2 $6 25. g4 $16) (24... Bc4 $11 {remains equal.} 25. Bxe4 fxe4 26. Rxf8 Rxf8) 25. g4 $1 $16 {[%CAl Rg4f5] Strongly threatening gxf5.} a6 {[#]} ( 25... Nf6 $16 {was necessary.}) 26. Nc7 (26. Qh4 $1 $18 {And now gxf5 would win.} Nc5 27. gxf5 (27. Bxc5 Bf6 $16) 27... Bxf5 28. Bxc5 axb5 29. Bb6) 26... Nxd6 27. Nxe6 Qxe6 28. gxf5 (28. Bd5 $14 Qe8 29. Bb6) 28... Nxf5 $11 29. Be4 Rxd1 30. Qxd1 Kh8 31. Bc5 Nfe7 32. Rxf8+ Bxf8 33. Qf1 Bg7 34. Nc3 Nd4 35. Qg2 Nef5 36. Bxb7 Qf6 37. Be4 Ne3 {[%mdl 32768] Weighted Error Value: White=0.27/ Black=0.30. Loss on time!?} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.8"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "0-1"] [ECO "D41"] [WhiteElo "2709"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "78"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,78,43,32,51,56,44,26,34,32,37,1,22,0,0,0,22,0,0,0,0,-33,-39,-41,-41, -38,-55,-37,-45,-325,-325,-355,-329,-327,-306,-441,-307,-396,-397,-510,-498, -525,-525,-518,-519,-571,-529,-624,-602,-760,-613,-806,-806,-991,-894,-1234, -1232,-1487,-1404,-1246,-1222]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 cxd4 8. cxd4 Be7 9. Nf3 O-O 10. Bc4 Nd7 11. O-O Nf6 { D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 12. Qe2 b6 {[#]} 13. Bb2 $146 ({Predecessor:} 13. Bd3 Bb7 14. a4 Rc8 15. Bd2 Bc6 16. Ra1 Qe8 17. a5 b5 18. a6 b4 19. Rab1 {1-0 (59) Aleksandrov,A (2603)-Terzi,A (2322) Minsk 2019} ) 13... Bb7 {White has an edge.} 14. Bd3 Rc8 15. Rbd1 Qc7 16. Rfe1 Bb4 17. Rf1 Be7 18. Rc1 Qf4 {[%CAl Rf6e4]} 19. g3 Qg4 {[%CAl Rb7e4]} 20. Rce1 Bb4 21. Ne5 Qxe2 22. Rxe2 Bc3 23. Bxc3 Rxc3 24. Bb1 $2 {[%mdl 8192] Loses the game.} (24. Rd1 $15) 24... Ba6 $19 {[%mdl 64] [#] Skewer} 25. Ree1 {If only White now had time for Rc1....} Bxf1 26. Kxf1 Rfc8 27. Bd3 (27. Kg2 $142) 27... Rc1 28. Rxc1 Rxc1+ {[%mdl 4096] Endgame KRN-KBN} 29. Ke2 Ra1 {Black is clearly winning.} 30. Bc4 Nxe4 31. Bb3 Kf8 32. Ke3 Nc3 33. Nc6 a5 34. Ne5 Ke7 35. Kd3 Nxa2 36. d5 Nb4+ 37. Ke4 exd5+ 38. Kf4 f6 39. Nf3 a4 {Weighted Error Value: White=0.87/ Black=0.20} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.9"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "A05"] [WhiteElo "2663"] [BlackElo "2699"] [Annotator "TA"] [PlyCount "66"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,66,-16,-35,-8,-10,-9,-22,1,-2,1,-31,-35,-41,-45,-58,-44,-77,-66,-75, -87,-118,-106,-116,-77,-77,2,-52,-64,-178,-175,-178,-163,-166,-175,-218,-199, -273,-229,-233,-226,-207,-192,-202,-67,-157,-166,-399,-395,-722,-601,-663,-657, -958,-974]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. b3 {[%CAl Bb2b3,Bb3b4, Bb4b5][%mdl 32]} d5 6. Bb2 c5 7. c4 d4 8. b4 Nc6 {A05: Réti Opening: 1 Nf3 Nf6.} 9. b5 Na5 {[%CAl Bc6a5,Ba5b7,Bb7d6][%mdl 32]} 10. d3 Qc7 {The position is equal.} 11. Nbd2 e5 {[#]} 12. e4 $146 ({Predecessor:} 12. Ng5 h6 13. Nge4 Nxe4 14. Nxe4 Be6 15. Nd2 Rae8 16. Nb3 Nxb3 17. axb3 b6 18. b4 cxb4 {1-0 (45) Artemiev,V (2653)-Li,C (2720) Doha 2016}) 12... b6 13. Nb3 Nb7 14. Nc1 Ne8 15. Ne2 Nbd6 16. Nd2 Bb7 17. f4 f5 18. fxe5 Bxe5 19. Nf3 Bg7 ({Better is} 19... Qe7 $17 20. exf5 Nxf5) 20. Nf4 ({White should try} 20. e5 $11 Nf7 21. Nf4) 20... fxe4 $15 21. Ne6 Qe7 $19 22. Nxf8 exf3 23. Bxf3 Bxf8 24. Bxb7 Qxb7 ({Weaker is } 24... Nxb7 25. Qf3 $15) 25. Qg4 (25. Bc1 $142) 25... Ng7 26. Rae1 Ngf5 27. Bc1 Bg7 28. Bf4 Qd7 (28... Rd8 $19 {...Ne3! is the strong threat.} 29. Bxd6 Rxd6) 29. Bxd6 (29. Qf3 $15 Rd8 30. Qd5+ Nf7 31. Qxd7 Rxd7 32. Re8+ Bf8 33. g4) 29... Qxd6 $40 {[%mdl 128] Black goes for the king.} 30. Re4 $2 (30. Qe4 { might work better.} Rd8 31. Qb7) 30... Ne3 $19 {[%mdl 64] [#] Double Attack} 31. Qf3 (31. Re6 Qd8 32. Qe4 Nxf1 33. Kxf1) 31... Nxf1 {Black is clearly winning.} 32. Qxf1 Rf8 33. Qe2 Bh6 {Weighted Error Value: White=0.51/Black=0.23 } 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.10"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "D41"] [WhiteElo "2706"] [BlackElo "2645"] [Annotator "TA"] [PlyCount "117"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,117,33,43,69,37,56,22,32,28,36,17,24,18,50,55,50,15,27,0,0,0,0,0,50, 50,65,0,67,75,71,66,62,78,80,68,71,85,130,131,136,133,119,93,126,123,118,93,97, 91,93,110,181,177,166,97,213,115,114,104,101,93,380,397,382,398,391,364,328, 329,890,199,888,885,872,875,860,856,843,828,788,765,5106,4027,2346,2070,29973, 5173,29974,29975,29975,29976,29976,29977,29977,29977,29986,29980,29987,29988]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 cxd4 8. cxd4 Be7 9. Nf3 O-O 10. Bc4 Nd7 11. O-O Nf6 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 12. Qe2 b6 {[#]} 13. Bg5 $146 ({Predecessor:} 13. Bd3 Bb7 14. a4 Rc8 15. Bd2 Bc6 16. Ra1 Qe8 17. a5 b5 18. a6 b4 19. Rab1 { 1-0 (59) Aleksandrov,A (2603)-Terzi,A (2322) Minsk 2019}) 13... Bb7 {The position is equal.} 14. Bd3 Rc8 {With the idea ...Bxe4!} 15. Rfe1 h6 16. Bf4 Nh5 17. Bd2 Nf6 18. h3 Qd7 19. e5 Nd5 20. Qe4 {[%csl Gd3][%CAl Re4h7]} Nf6 21. Qf4 Nd5 22. Qg4 $40 {[%mdl 128] aiming for Bxh6. White attacks.} Kh8 23. Qh5 ( 23. Nh4 $14) 23... f5 (23... Nc3 $11 24. Rb3 Bxf3 25. Qxf3 Qxd4) 24. exf6 $1 $14 Nxf6 {[#]} 25. Ne5 $1 Nxh5 26. Nxd7 Rfd8 27. Ne5 {Ng6+ is the strong threat.} Kg8 28. Bg6 Nf6 29. Bf7+ {[%mdl 64] Double Attack} Kh7 30. Bxe6 { And now Bf5+ would win.} Rc7 31. Be3 Bd5 32. Bf5+ Kg8 33. Rbc1 Rxc1 34. Rxc1 Bd6 35. a4 a6 (35... Kf8 $16 36. Bf4 Kg8) 36. Bd3 $18 Ra8 37. Bc4 (37. Rb1 $18) 37... Kf8 {[#]} (37... Bxc4 $16 {was necessary.} 38. Nxc4 Bc7) 38. Bxd5 (38. Nd7+ $1 $18 {[%mdl 512]} Nxd7 39. Bxd5) 38... Nxd5 $16 39. Rc6 Rd8 40. Nc4 Nxe3 $2 {[%mdl 8192] This move loses the game for Black.} (40... Bf4 $16) 41. fxe3 { [%mdl 4096] Endgame KRB-KRN} ({Less strong is} 41. Nxd6 Nd5 $16) ({Worse is} 41. Rxd6 Rxd6 42. Nxd6 Nd5 $11) 41... Bg3 42. Nxb6 Re8 43. Rc8 Rxc8 44. Nxc8 $18 {KB-KN} Ke8 $2 (44... Bc7 45. Na7 Ke7) 45. Kf1 $2 (45. Nb6 Bc7 46. Nd5) 45... Kd7 $2 (45... Bc7) 46. Nb6+ Kc6 {[#]} 47. Nc4 $1 Kd5 48. Nd2 Bd6 49. Ke2 Bb4 50. Kd3 g5 51. e4+ Kc6 52. Nf3 a5 53. Kc4 (53. g4 $142 Kd7 54. d5 Bf8 55. Ne5+ Kd6 56. Nc4+ Kc5 57. Nxa5 Kb4 58. Nb7 Kxa4 59. d6) 53... Kd6 54. e5+ { White mates.} Ke6 55. g4 Kf7 56. d5 {[%CAl Bd4d5,Bd5d6][%mdl 32]} Ke7 57. Nd4 Kf7 58. Nf5 Kg6 59. d6 {Weighted Error Value: White=0.38/Black=0.35} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.11"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "1/2-1/2"] [ECO "E91"] [WhiteElo "2629"] [BlackElo "2713"] [Annotator "TA"] [PlyCount "73"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,73,43,43,42,42,42,44,22,21,18,20,17,17,0,0,0,0,0,20,7,40,15,15,0,41, 0,0,0,0,0,39,-192,-195,-192,-188,-201,-202,-212,-214,-214,-210,-300,-302,-302, -232,-231,-233,-234,-234,-212,-227,-225,-104,-112,0,-207,0,-114,0,-192]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 O-O 6. Be2 d6 7. O-O Bg4 8. d5 e6 9. dxe6 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} fxe6 {9...Bxe6 is the modern continuation.} 10. Ng5 Bxe2 11. Qxe2 {White is slightly better.} Qe7 12. e5 dxe5 13. Qxe5 Re8 $1 {[#]} 14. Re1 $146 {[%CAl Re5e6]} ({Predecessor:} 14. Be3 b6 15. Rad1 Nc6 16. Qg3 Nd4 17. Bxd4 cxd4 18. Nce4 Nh5 19. Qg4 e5 20. g3 {1-0 (51) Bogner,S (2605)-Jenni,F (2447) Lenzerheide 2018}) 14... Nc6 15. Qg3 (15. Qxe6+ $2 Qxe6 16. Nxe6 Nd4 $19) 15... Nd4 {Threatening ...Nc2.} 16. Bd2 Rad8 17. Rad1 e5 18. Nge4 Nxe4 19. Rxe4 Qf7 ( 19... Nf5 $5 {[%CAl Rf5g3]} 20. Qf3 Nd4 $11) 20. Nd5 b5 21. b3 bxc4 22. bxc4 Qf5 (22... Nf5 $5 {[%CAl Rf5g3]} 23. Qf3 Nd6 $11) 23. f3 {[#]} (23. Qd3 $14 { keeps the upper hand.}) 23... Qxe4 $3 $19 {[%mdl 576] Remove Defender} 24. fxe4 Ne2+ {[%mdl 64] Double Attack} 25. Kf2 Nxg3 26. hxg3 Rb8 27. Bc3 Re6 28. Ke2 ( 28. Ra1 $142) 28... Ra6 29. Rd2 Rb1 30. Nc7 Ra3 31. Rd8+ Kf7 32. Rd7+ Kf8 $1 33. Bd2 {intending Ne6+.} Bf6 (33... Rxg3 34. Kf2 $15) (33... Rxa2 34. Ne6+ Ke8 35. Rxg7 $17) (33... Rb6 $1 $19 34. Nd5 Rb2 35. Rd8+ Kf7 36. Rd7+ Kf8 37. Rd8+ Kf7 38. Rd7+ Kf8) 34. Nd5 $17 {Intending Bh6+ and mate.} Bg7 (34... Rxa2 35. Nxf6 h5 36. Rd5 $14) (34... Ra6 $1 $17 {Hoping for ...Rb2.} 35. a4 Rb2) 35. Nc7 $2 {[#]} (35. Rd8+ $11 {and White stays safe.} Kf7 36. Rd7+ Kg8 37. Rd8+ Kf7 38. Rd7+ Kg8 39. Rd8+ Kf7) 35... Bf6 ({Not} 35... Rxg3 36. Kf2 $15) ({Much less strong is} 35... Rxa2 36. Ne6+ Ke8 37. Rxg7 $17) (35... Rb6 $1 $19 36. Nd5 Rb2 37. Rd8+ Kf7 38. Rd7+ Kg8 39. Rd8+ Bf8) 36. Nd5 {[#] White threatens Bh6+ and mate.} Bg7 ({Inferior is} 36... Rxa2 37. Nxf6 h5 38. Rd5 $14) (36... Ra6 $1 $17 37. a4 Rb2) 37. Nc7 {Weighted Error Value: White=0.39/Black=0.28} 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.12"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "E49"] [WhiteElo "2711"] [BlackElo "2633"] [Annotator "TA"] [PlyCount "105"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 27,105,36,33,19,31,40,40,36,62,70,53,63,55,63,61,50,43,43,39,32,75,74, 88,50,54,49,67,63,95,95,178,158,175,147,154,142,366,354,365,349,327,270,244,18, 34,51,155,52,471,-233,-90,-228,-210,-735,-675,-29990,-29991,-29992,263,187,182, 177,181,147,197,172,1260,0,200,221,29988,29985,29985,29985,29987,5995,29986, 29987,29988,1192]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. e3 c5 9. Bd3 b6 10. Ne2 Ba6 11. O-O Re8 12. Ng3 Bxd3 13. Qxd3 Nc6 14. Bb2 c4 15. Qd2 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3.} h5 16. Rae1 h4 17. Nh1 {White is slightly better.} Re6 18. Nf2 Qe7 19. Re2 $1 Re8 {[%CAl Re6e3]} 20. Rfe1 Na5 21. e4 Nh5 22. Nh3 Nb3 23. Qc2 { [#]} f5 $146 {[%CAl Rd5e4]} ({Predecessor:} 23... f6 24. a4 g5 25. Bc1 Qh7 26. Be3 Qg6 27. Nf2 Kh7 28. Qd1 dxe4 29. Nxe4 g4 30. fxg4 Qxe4 31. gxh5 {0-1 (39) Baum,H (2268)-Mueller,K (2377) LSS email 2010}) 24. e5 Rf8 25. Bc1 f4 26. a4 a6 27. Qa2 Nxc1 28. Rxc1 b5 (28... g5 $16 {might work better.}) 29. Rb1 $18 Rb8 30. Reb2 {[%CAl Ra4b5]} Reb6 31. Rb4 Qe6 $2 (31... g5 $16 {was called for.} 32. axb5 axb5) 32. axb5 Rxb5 33. Rxb5 axb5 34. Qa5 Qc6 35. Nf2 $2 (35. Qa7 $18 Rc8 36. Qe7) 35... Ra8 $11 {[%CAl Ra8a5]} 36. Qb4 {Strongly threatening Qe7.} Ra4 37. Qe7 (37. Qb2 $1 $16) 37... b4 $2 {[%mdl 8192]} ({Black should play} 37... Qa8 $1 $14) 38. Nd1 $4 {[%mdl 8192]} (38. e6 $18 {and all is fine. Black must now prevent Qf7+.} Nf6 39. Ng4 (39. cxb4 Qa8 $14) 39... Nxg4 40. fxg4) 38... b3 (38... Qg6 $1 $19 {and Black stays clearly on top.} 39. Qd8+ (39. Rxb4 { leads to mate.} Ra1 40. Rb2 Rxd1+ 41. Kf2 h3 42. Qe8+ Qxe8 43. g4 Qg6 44. Rb8+ Kh7 45. Rb2 Qd3 46. Re2 Qxc3 47. gxh5 Qxd4+ 48. Re3 Qxe3#) 39... Kh7 40. Qxh4 Ra6) 39. Qxh4 (39. Qg5 $17 Qe8 40. Kf2 (40. Qxh4 $2 Qg6 $19)) 39... Qg6 $19 40. Qd8+ $2 (40. Rb2 Ra1 41. Rd2) 40... Kh7 41. Rc1 Ra2 {[%csl Ga2][%CAl Rg6g2]} 42. Nf2 Kh6 $4 {[%mdl 8192]} (42... b2 {mates} 43. Rd1 b1=Q 44. Qg5 Qxd1+ $3 { [%mdl 512]} 45. Nxd1 Qxg5 46. g3 fxg3 47. Nb2 Rxb2 48. f4 gxh2+ 49. Kh1 Ng3#) 43. Qh8+ $18 ({Not} 43. Qxd5 $2 b2 $19) 43... Kg5 {aiming for ...b2.} 44. Nh3+ Kf5 {[%csl Ga2][%CAl Rg6g2]} 45. Qf8+ Ke6 {[%csl Ga2][%CAl Rg6g2]} 46. Qd6+ Kf7 $2 {[#]} (46... Kf5 47. Qd7+ Qe6) 47. Qxd5+ $2 ({White has to play} 47. e6+ $1 $18 Kg8 48. Qd8+ Kh7 49. Ng5+ Qxg5 50. Qxg5) 47... Kf8 $2 (47... Ke7 $1 $11 48. Qb7+ Kf8 49. Qb8+ Qe8) 48. Qd8+ Kf7 $2 (48... Qe8 $18 49. Qd6+ Kg8) 49. Ng5+ Qxg5 50. Qxg5 b2 51. Rf1 (51. Qxh5+ $142 Kg8 52. Rf1 Ra1 53. Qg6 Ra7 54. Qe8+ Kh7 55. e6 Ra1 56. Qh5+ Kg8 57. Qg6) 51... Ra1 52. Qxh5+ Kg8 53. Qe8+ { Weighted Error Value: White=0.82/Black=0.77} (53. Qg6 $142 Rc1 54. d5 b1=Q 55. Qxb1 Rxb1 56. Rxb1 Kf8 57. Rb7 Kg8 58. d6) 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.13"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "1-0"] [ECO "E91"] [WhiteElo "2620"] [BlackElo "2717"] [Annotator "TA"] [PlyCount "119"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,119,58,67,37,38,40,46,21,13,15,3,16,10,10,47,21,30,45,32,40,116,121, 110,81,87,79,81,31,53,40,33,0,0,0,140,0,0,0,0,0,0,0,2,0,0,0,0,-14,-14,-27,-11, -30,0,0,43,58,70,0,128,133,186,150,160,159,181,180,268,268,264,214,471,452,528, 510,560,551,573,493,992,945,1164,1162,1084,937,568,66,82,76,1854,1712,1727, 1236,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987, 29987,29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 O-O 6. Be2 d6 7. O-O Bg4 8. d5 e6 9. dxe6 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} fxe6 {9...Bxe6 is more advanced technology.} 10. Ng5 Bxe2 11. Qxe2 {White is slightly better.} Qe7 12. e5 dxe5 13. Qxe5 Re8 $1 14. Be3 {[#]} Nbd7 $146 ({Predecessor:} 14... b6 15. Rad1 Nc6 16. Qg3 Nd4 17. Bxd4 cxd4 18. Nce4 Nh5 19. Qg4 e5 20. g3 h6 {1-0 (51) Bogner,S (2605)-Jenni,F (2447) Lenzerheide 2018}) 15. Qg3 $36 {[%mdl 2048] White fights for an advantage.} Nb6 16. Nge4 Nxe4 17. Nxe4 Bd4 (17... Bxb2 $14 18. Bxc5 Qg7) 18. Bxd4 $16 cxd4 19. Qe5 {Nf6+ is the strong threat.} (19. b3 {looks sharper.} e5 20. f4 Nd7 21. f5 Nc5 22. Rae1) 19... Qg7 20. Qxg7+ Kxg7 21. Rad1 { Threatens to win with c5.} e5 22. b3 Rad8 23. Rd3 Nd7 24. f4 Nb8 {[#]} (24... b6 $11) 25. fxe5 ({Only move:} 25. f5 $1 $16) 25... Rxe5 $11 26. Nd2 Nc6 27. Nf3 Re2 28. Rf2 Re3 (28... Re4 {with more complications.} 29. Rd1 h6 30. Kf1 g5 31. Re2 Rf4) 29. Rfd2 Rxd3 30. Rxd3 {[%mdl 4096] Endgame KRN-KRN} a5 31. a3 Kf6 32. Kf2 Kf5 33. h3 Ke4 34. Ke2 Ne5 (34... Kf4 {is more complex.} 35. g3+ Kf5 36. Rd1 g5 37. Rf1 Re8+) 35. Nxe5 Kxe5 $14 {KR-KR} 36. Rf3 (36. Rg3 $1 $14) 36... Rd7 (36... Rd6 $1 $11 {keeps the balance.}) 37. Kd3 $16 Ke6 (37... Rd6 $16) 38. g4 Ke5 39. Rf8 Ke6 40. Rf4 Ke5 (40... Rc7 $142 41. b4 (41. Kxd4 Rd7+ 42. Kc3 Rd1 $16) (41. Rxd4 Rf7 $16) 41... axb4) 41. Re4+ $18 Kf6 42. h4 h5 $2 ( 42... Rc7 43. Rxd4 (43. Kxd4 Rd7+ 44. Kc3 Rc7 $16) 43... Ke5) 43. g5+ Kf5 44. b4 axb4 45. axb4 {[%CAl Ba3b4,Bb4b5][%mdl 32]} Rd8 46. c5 Ra8 (46... b5 $142 47. Rxd4 Ra8 48. Rd5+ Ke6) 47. Rxd4 Ra3+ 48. Kc4 Ra1 49. b5 Rc1+ {[#]} 50. Kd5 $2 (50. Kb4 $1 $18) 50... Rb1 $1 $14 51. b6 Rc1 $2 {[%mdl 8192] Loses the game. } (51... Rxb6 $16 52. Rf4+ Kxf4 53. cxb6 Kg4) 52. Kd6 $18 Rc2 53. Rd5+ Kg4 54. Kc7 {White mates.} Kxh4 55. Kxb7 Kg3 56. c6 h4 57. c7 h3 58. c8=Q Rxc8 59. Kxc8 h2 60. Rd1 {Weighted Error Value: White=0.29/Black=0.45} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.14"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "0-1"] [ECO "C42"] [WhiteElo "2622"] [BlackElo "2607"] [Annotator "TA"] [PlyCount "48"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,48,3,14,-15,-6,-31,-30,-29,-25,-24,14,-62,-47,-108,-80,-206,-206, -194,-202,-368,-255,-203,-185,-171,-73,-802,-821,-811,-811,-856,-877,-851,-850, -1293,-1271,-1313,-1277,-1578,-1513]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Qe2 Qe7 6. Ne3 Nf6 7. b3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be6 8. Bb2 Nc6 9. g3 {Black has an edge.} O-O-O 10. Bg2 Qd7 { [#]} 11. d3 $146 (11. c4 $11) ({Predecessor:} 11. c4 Be7 12. Nc3 Rhe8 13. Ncd5 Bh3 14. Bxh3 Qxh3 15. Nf4 Qd7 16. O-O Ne5 17. d4 Neg4 18. d5 {1/2-1/2 (18) Greenfeld,A-Shrentzel,M Herzliya 1978}) 11... d5 $15 {aiming for ...d4.} 12. O-O ({White should play} 12. d4 $1 $15) 12... h5 13. c4 {[#]} (13. d4 $17) 13... d4 $1 $19 {[%CAl Rd4e3]} 14. Nc2 h4 15. b4 $2 (15. Nd2 Bh3 16. Nf3) 15... hxg3 16. fxg3 Ng4 17. b5 {[#]} Na5 (17... Nb4 $1 $19 {has better winning chances. Strongly threatening ...Nxc2.} 18. Nxb4 Bxb4) 18. Nxd4 $2 {[%mdl 8192] } (18. Nd2 $17 Nxh2 19. Rf4) 18... Bc5 {Black is clearly winning.} 19. Rf4 g5 20. Re4 {[#]} f5 $1 21. Rxg4 fxg4 22. Kh1 Bxd4 23. Bxd4 Qxd4 {[%mdl 64] Double Attack} 24. Qxe6+ Kb8 {Weighted Error Value: White=1.16/Black=0.16} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.16"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "A26"] [WhiteElo "2649"] [BlackElo "2614"] [Annotator "TA"] [PlyCount "74"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,74,8,20,19,20,23,57,17,18,21,9,10,36,0,0,7,13,0,20,0,0,-16,-21,-22, -22,-33,-15,-58,-55,-79,-23,-19,-34,-55,-29,-92,-42,-102,84,0,0,-47,0,0,15, -408,-404,-377,-376,-750,-591,-588,-556,-572,-551,-1079,-1079,-1323,-1296, -1719,-1697]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 Nc6 6. Nc3 d6 7. Rb1 e5 8. d3 Be6 9. b4 {A26: English Opening vs King's Indian with ...Nc6 and d3.} a6 10. a4 Qd7 11. Bg5 {White is slightly better.} h6 12. Bxf6 Bxf6 {[#]} 13. Nd2 $146 ({Predecessor:} 13. b5 axb5 14. axb5 Ne7 15. Nd2 Rab8 16. Nd5 Bxd5 17. cxd5 Nc8 18. Nc4 Nb6 19. Nxb6 cxb6 {1-0 (52) Ziegler,A (2402)-Gullaksen,E (2367) Manhem 1999}) 13... Bg7 14. Nd5 (14. b5 $5 {[%CAl Rb5c6]} Na5 15. Nd5 $11) 14... f5 15. e3 g5 16. b5 axb5 17. axb5 Nd8 18. b6 c6 19. Nc7 Ra3 20. Nxe6 Nxe6 21. Rb3 Ra2 22. Rb1 Nc5 ({Better is} 22... g4 $17) 23. Nb3 $11 Na4 { And now ...Nc3 would win.} 24. Qc1 Ra8 25. d4 (25. c5 $11 {keeps the balance.}) 25... exd4 26. exd4 (26. Nxd4 $15 f4 27. Rd1) 26... c5 $2 {[#]} ({But not} 26... Nxb6 $6 27. c5 $11) (26... Qf7 $17 {stays on course.} 27. Kh1 Nxb6) 27. Bd5+ (27. dxc5 $16 {aiming for Qd1.} Nc3 28. Qe3) 27... Kh8 $1 28. dxc5 dxc5 29. Re1 Nc3 {[#] Hoping for ...f4.} (29... f4 $5 30. Re6 Re8 $11) 30. Rb2 $2 { [%mdl 8192] This move loses the game for White.} (30. Nxc5 $11 Qc8 31. Ne6) 30... Rxb2 $19 ({Not} 30... Nxd5 31. Rxa2 Rxa2 32. cxd5 $17) 31. Qxb2 Nxd5 32. Qd2 (32. Qe2 Nxb6 33. Nxc5) 32... Nxb6 {Black is clearly winning.} 33. Qe2 Rf8 34. Nxc5 Qc6 35. Ne6 Re8 36. c5 Nd7 37. h4 Nxc5 {Weighted Error Value: White=0. 85/Black=0.31} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.16"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "E73"] [WhiteElo "2623"] [BlackElo "2609"] [Annotator "TA"] [PlyCount "25"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,25,54,64,59,69,72,68,68,63,62,94,50,425,422]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Na6 8. g4 {E73: King's Indian: Averbakh Variation without 6...c5.} Nc5 9. f3 c6 {9...h5 is a critical line.} 10. h4 cxd5 11. cxd5 Qa5 {[#]} 12. h5 $146 ({Predecessor:} 12. a3 Qc7 13. Nb5 Qe7 14. b4 Na6 15. Nxa7 Bd7 16. Bxa6 bxa6 17. Nc6 Bxc6 18. dxc6 {1-0 (55) Juncosa Padros,E (1590)-Miro Arbelaes,A (1467) Barcelona 2019}) 12... Na4 $2 { [%mdl 8192] [#]} 13. Qxa4 {White took control after the opening. Weighted Error Value: White=0.11/Black=1.06} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.17"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "E91"] [WhiteElo "2577"] [BlackElo "2631"] [Annotator "TA"] [PlyCount "52"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,52,90,73,104,101,122,101,115,67,83,41,130,104,117,110,111,107,150,56, 182,-8,-6,-16,106,102,90,-434,-431,-1223,-310,-29987,-29988,-29988,-29989, -29990,-29991,-29995,-29996]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 O-O 6. Be2 d6 7. O-O Bg4 8. d5 Bxf3 {8...e6 gains popularity.} 9. Bxf3 e6 $5 { [%mdl 4] Exploring less charted territory. E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 10. dxe6 {[#] Hoping for e5!} Nc6 11. exf7+ Rxf7 {[#] White is better.} 12. Bf4 $146 ({Predecessor:} 12. Bg5 Qf8 13. Qd2 Nd4 14. Be2 Re8 15. f3 Nh5 {1/2-1/2 (15) Jimenez Fernandez,A (1971)-Senlle Caride,M (2289) Padron 2008}) 12... Nd4 13. Be3 Nd7 (13... Nxf3+ $14 14. Qxf3 Nd5) 14. Bg4 Ne5 15. Bxd4 cxd4 16. Nd5 {aiming for Be6.} Kh8 17. b3 ({Better is} 17. Be6 $16 Rf8 18. Qb3) 17... Qh4 (17... Qg5 $1 $14 18. h3 Raf8) 18. f3 $2 (18. Be6 $18) 18... Nxg4 $40 {[%mdl 128] Black attacks.} 19. fxg4 Raf8 (19... Rxf1+ $11 20. Qxf1 Rf8) 20. Rxf7 $16 Rxf7 21. Qd2 $2 {[%mdl 8192]} (21. g3 $16 {is necessary to keep the advantage.} Qg5 22. Rb1) 21... d3 $19 22. Re1 (22. Rb1 $142 Bd4+ 23. Ne3) 22... Bd4+ $2 (22... Be5 {[%csl Ge5] [%CAl Rh4h2]} 23. g3 Bxg3 24. hxg3 Qxg3+ 25. Kh1 Rf2 26. Qxf2 Qxf2) 23. Kh1 ( 23. Re3 $19) 23... Be5 {[%csl Ge5][%CAl Rh4h2] Black mates.} 24. g3 Bxg3 $1 25. Rg1 {[#]} Rf2 $1 {[%csl Gf2,Gg3][%CAl Rh4h2][%mdl 64] Double Attack} 26. Qc3+ ( 26. Rg2 Rxd2) 26... Be5 {[%csl Ge5,Gh4][%CAl Rf2h2] Weighted Error Value: White=1.19/Black=0.67} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.18"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "D35"] [WhiteElo "2638"] [BlackElo "2551"] [Annotator "TA"] [PlyCount "71"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 $1 { [%mdl 4] now scores much better than the old 7.Nf3.} cxd4 {D35: Queen's Gambit Declined: Exchange Variation.} 8. cxd4 Be7 9. Nf3 O-O {The position is equal.} 10. Bc4 b6 11. O-O Bb7 12. Qe2 Nc6 13. Bb2 Rc8 {[#]} 14. Rbd1 $146 ({ Predecessor:} 14. Rfd1 Na5 15. Bb5 Bf6 16. h3 Qc7 17. Ba3 Rfd8 18. Rbc1 Qf4 19. Rxc8 Rxc8 20. d5 {1-0 (41) Vitiugov,N (2739) -Adly,A (2589) Tsaghkadzor 2015}) 14... Qc7 15. Bd3 (15. Rc1 $11) 15... Rfd8 ({Black should play} 15... Nb4 $17 16. Rc1 Qf4) 16. Bb1 (16. d5 $1 $14 exd5 17. exd5) 16... Nb4 17. h3 $2 (17. Qd2 $14 {stays ahead.}) 17... Ba6 $36 {[%mdl 2112] [#] Skewer. Black is in control. } 18. Qd2 {Rc1 would now be nice for White.} Bxf1 19. Rxf1 Nc6 20. Qe2 h6 ({ Better is} 20... Bf6 $19 {[%CAl Rc6d4]} 21. e5 Be7) 21. d5 Na5 ({Wrong is} 21... exd5 $2 22. exd5 Bf8 23. Qe4 $18 (23. dxc6 Qxc6 24. Ne5 Qd5 $18)) 22. dxe6 fxe6 23. e5 $2 {[#]} (23. Bd3 $17 {might work better.}) 23... Qc4 $1 $19 { [%CAl Rc4e2]} 24. Qe3 {intending Nd4.} Bc5 25. Qe1 Bb4 26. Qe3 Bc5 27. Qe1 Qd5 (27... Rc7 $19 28. Qe4 Qxe4 29. Bxe4 Bb4) 28. Nh2 $2 (28. Qe2 $17 {keeps fighting.} Qc4 29. Qe1) 28... Nc4 29. Bc3 Bd4 {Hoping for ...Bxc3.} 30. Ng4 ( 30. Be4 $142 Qxe5 31. Bxd4 Qxd4 32. Nf3) 30... Bxc3 31. Qxc3 h5 ({Don't play} 31... Nd2 32. Qg3 $19) 32. Ne3 Qxe5 33. Qc2 Nd2 34. Qh7+ Kf7 35. Bg6+ Ke7 36. Re1 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.19"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "1-0"] [ECO "E91"] [WhiteElo "2530"] [BlackElo "2644"] [Annotator "TA"] [PlyCount "147"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,147,78,66,77,83,84,91,87,71,196,181,214,212,235,239,279,285,266,246, 315,313,307,308,333,243,227,224,224,209,216,69,224,223,265,229,249,256,256,246, 464,488,495,492,483,439,457,462,1313,354,345,298,357,356,333,325,365,369,378, 374,29987,283,551,270,922,914,559,213,228,173,175,162,225,161,161,161,422,397, 402,393,495,525,29985,327,281,270,1054,512,832,653,29971,29972,29972,29973, 29973,29974,29974,29973,29979,29974,29977,29975,29987,29986,29986,29985,29985, 29984,29984,29985,29985,29986,29986,29987,29988,29989,29988,29989,29989,29990, 29990,29991,29991,29992,29992,29993,29996,29997,29997,29995,29995,29994,29994, 29994]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. Nf3 O-O 6. Be2 d6 7. O-O Bg4 8. d5 Bxf3 {8...e6 is a critical line.} 9. Bxf3 Nbd7 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 10. Be2 a6 11. Be3 Qc7 {White is better.} 12. Qd2 {[#]} e6 $146 {[#]} (12... Rae8 $16) ({ Predecessor:} 12... Ne8 13. Bh6 e5 14. dxe6 fxe6 15. Bg4 Rf6 16. Bg5 Nf8 17. Bxf6 Nxf6 18. Bh3 Qc6 {1-0 (62) Bakhtiguzin,A-Oleynik,V (1958) Krasnoyarsk 2013 }) 13. dxe6 $1 $18 fxe6 14. Rad1 Ne8 15. Bg4 Ne5 16. Bxe6+ Kh8 17. f4 Nc6 18. Nd5 Qd8 19. e5 Nd4 20. Bxd4 cxd4 21. Qxd4 {Nb6 is the strong threat.} dxe5 22. fxe5 Rxf1+ 23. Rxf1 (23. Kxf1 $18 {And now Nb6 would win.} Nc7 24. Bh3) 23... Nc7 $2 ({Black should try} 23... Qd6 $1 $14) 24. Bh3 b5 25. b3 bxc4 26. bxc4 Nxd5 27. cxd5 Qe8 $2 (27... Qc7 28. Re1 Qa5) 28. Re1 Rd8 29. d6 Qc6 30. Qd3 Qc5+ 31. Qe3 Qa5 (31... Qb5 $142 32. d7 Bf8) 32. d7 $2 (32. e6 Bh6 33. Qe5+ Qxe5 34. Rxe5) 32... Bf8 {Threatens to win with ...Bc5!} 33. Kh1 Bc5 34. Qe2 Be7 35. e6 Kg7 36. Qb2+ Bf6 {[%CAl Ra5e1]} 37. Qf2 {Hoping for e7.} Rf8 $2 ( 37... Qb4 $18 38. Qe2 Be7) 38. Rf1 $2 (38. e7 Qb4 39. e8=Q Bg5 40. Qg3 Qc5 41. Qgb8 a5 42. d8=Q Bxd8 43. Qb2+ Kh6 44. Qc1+ {[%mdl 64] Double Attack} Bg5 45. Qxc5) 38... Be7 $2 (38... Qb4 {is a better defense.} 39. Qe2 Be7) 39. Qb2+ (39. Qd4+ $142 Rf6 40. g4) 39... Kg8 $2 (39... Kh6 40. Qc1+ Bg5) 40. Rxf8+ Bxf8 41. Qe2 $2 (41. Qf2 {White wants to mate with Qf7+.} Qd8 42. Qf7+ Kh8 43. g3) 41... Be7 42. Bg4 h5 43. Bf3 Qf5 (43... Kg7 $142 44. Qd1 Qe5) 44. h3 Qb1+ 45. Kh2 { Black must now prevent h4.} Bd6+ $2 (45... Qb8+ {might work better.} 46. g3 h4) 46. g3 Be7 47. Be4 Qb8 48. h4 Bxh4 49. Qg2 (49. Qf2 {mates} Kh8 50. Bxg6 Bg5 51. Qd4+ Kg8 52. Bf7+ Kh7 53. Qd3+ Kh8 54. Qc3+ Kh7 55. Qc2+ Kh8 56. Qc8+ Qxc8 {[%mdl 64] Remove Defender} 57. dxc8=Q+ Kg7 58. Qg8+ Kf6 59. Qd8+ Ke5 60. e7) 49... Be7 50. Bxg6 h4 $2 (50... Qe5 51. Bf7+ Kg7) 51. Bf7+ (51. Qf3 $142 { White threatens Qf7+ and mate.} Qxg3+ 52. Qxg3 hxg3+ 53. Kxg3) 51... Kg7 (51... Kh8 $142 52. Kh3 Qb1) 52. Kh3 Qxg3+ 53. Qxg3+ {White mates.} hxg3 54. Kxg3 { [%mdl 4096] Endgame KB-KB} Kf6 55. Kf4 a5 56. Ke4 Bd8 57. Kd5 Ke7 58. Kc6 Kf6 59. a4 Ke7 60. Kb7 Kf6 61. Kc8 Ke7 62. Bg8 Bb6 63. Kb7 Bd8 64. Kc6 Kf6 65. Kd6 Be7+ 66. Kc7 Kg7 67. Bf7 Kf6 68. d8=Q {[%mdl 64] [#] Promotion} Bxd8+ 69. Kxd8 {KB-KP} Ke5 70. e7 Kd6 71. e8=Q Kc5 72. Qb5+ Kd4 73. Qxa5 Ke3 74. Qc7 { Weighted Error Value: White=0.91/Black=0.86} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.20"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "D35"] [WhiteElo "2634"] [BlackElo "2564"] [Annotator "TA"] [PlyCount "65"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,65,18,17,22,39,35,18,14,14,14,14,34,27,22,12,22,16,81,88,92,84,76,85, 103,103,358,109,107,102,113,123,133,131,161,165,172,175,273,276,370,312,356, 192,372,372,510,505,5716,5716,5706,5614,4902,4825,2019,1395]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 $1 {[%mdl 4] is recently more successful than 7.Nf3.} cxd4 {D35: Queen's Gambit Declined: Exchange Variation.} 8. cxd4 Be7 9. Nf3 O-O {The position is equal.} 10. Bc4 b6 11. O-O Bb7 12. Qe2 Nc6 13. Bb2 Rc8 14. Rbc1 {[#]} a6 $146 (14... Na5 $11 15. Ba6 Bxa6 16. Qxa6 Rxc1 17. Rxc1 Qd7) ({Predecessor:} 14... Qd6 15. d5 exd5 16. Bxd5 Qh6 17. e5 {1/2-1/2 (17) Portisch,F (2327)-Groszpeter,A (2518) Zalakaros 2006}) 15. Bxa6 $16 Bxa6 16. Qxa6 Nb4 17. Rxc8 Qxc8 18. Qxb6 Nxa2 $2 {[%mdl 8192] [#]} (18... Qb8 $16 {is a better defense.} 19. Qxb8 Rxb8) 19. Qb3 $2 (19. Qa7 $18 {and White stays clearly on top.}) 19... Nb4 20. Ba3 Nc6 21. d5 exd5 22. exd5 Bxa3 23. dxc6 Bd6 24. Rc1 Qc7 (24... Bc7 $142 25. g3 g6) 25. g3 $18 Rd8 26. Qc4 h6 27. Kg2 (27. Nd4 $142) 27... Rb8 $2 (27... Qe7 28. Rb1 Rc8) 28. Nd4 Rb4 29. Qd5 {White is clearly winning.} Qb6 (29... Rb8 $142 30. Nb5 { [%mdl 64] Double Attack} Qa5) 30. Qxd6 Rxd4 {[#]} 31. Qxd4 $3 {[%mdl 576] Promotion} Qxd4 32. c7 Qe4+ 33. Kg1 {Weighted Error Value: White=0.27/Black=0. 56} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.21"] [White "Koneru, Humpy"] [Black "Assaubayeva, Bibisara"] [Result "0-1"] [ECO "E61"] [WhiteElo "2544"] [BlackElo "2640"] [Annotator "TA"] [PlyCount "78"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,78,41,37,58,56,67,42,47,35,45,20,95,84,90,66,87,7,5,2,29,24,31,-57,7, -95,-56,-103,-104,-135,-89,-89,-89,-98,-99,-100,-101,-99,-93,-111,-110,-173, -143,-128,-120,-134,-15,-154,-65,-69,-58,-63,0,0,0,0,0,0,0,-533,0,-977,-959, -29993,-29976]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 Nc6 6. e3 d6 7. Nge2 e5 8. O-O Re8 9. d5 Ne7 {E61: King's Indian: Early deviations for White, including Smyslov System.} 10. e4 Rf8 11. h3 Nd7 {White is slightly better.} 12. Be3 f5 {[#]} 13. f4 $146 ({Predecessor:} 13. Qd2 Nf6 14. Kh2 Bd7 15. Bg5 Qe8 16. Rae1 Nxe4 17. Nxe4 fxe4 18. Bxe4 Kh8 19. g4 {1-0 (40) Dorighet,C (2110) -Luciani,V (2238) Saint Vincent 1999}) 13... Nf6 (13... fxe4 $11 {keeps the balance.} 14. Nxe4 Nf5) 14. fxe5 $16 dxe5 15. Kh2 fxe4 16. Nxe4 ({Better is} 16. Bg5 $16) 16... Nxe4 $11 17. Bxe4 {With the idea g4.} Nf5 {[%CAl Be7f5, Bf5d6,Bd6c4][%mdl 32]} 18. Bc5 Nd6 {[%mdl 64] [#] ...Rxf1 is the strong threat. Double Attack} 19. Bg2 (19. Nc3 $14) 19... b6 (19... Rxf1 $15 20. Qxf1 Nxc4) 20. Be3 (20. Rxf8+ $11 {remains equal.} Qxf8 21. Bg1) 20... Nxc4 21. Bg1 Nd6 ({ Don't go for} 21... Nxb2 $2 22. Qb3 $18) 22. Rc1 Bf5 23. g4 Be4 24. Rxf8+ Bxf8 25. Bxe4 Nxe4 26. Qd3 Nd6 27. Ng3 Bh6 28. Be3 (28. Rc6 $17) 28... Bf4 29. Bxf4 exf4 30. Ne2 {[#]} Qh4 (30... Qe7 $1 $17 {aiming for ...Re8.} 31. Nd4 Qe5) 31. Qf3 (31. Nxf4 $11 Qf2+ 32. Ng2) 31... Rf8 ({Black should try} 31... Re8 $17 32. Nxf4 Qf6) 32. Rxc7 $15 Qe1 $1 33. Rd7 Nc4 (33... Nf7 $1 $15 34. Re7 (34. Rxa7 $2 Ne5 $19) 34... a6) 34. d6 $11 {White wants to mate with Qd5+.} Qd2 {Hoping for ...Ne5!} 35. Qe4 {Intending Qe6+ and mate.} f3 $1 {[%CAl Rf3e2][%mdl 64] Pin} 36. Qxc4+ Kh8 37. Re7 {[%mdl 8192]} fxe2 $2 (37... Qxd6+ $19 38. Ng3 Qxe7 39. Qd4+ Kg8) 38. Qxe2 $2 {[%mdl 8192]} (38. Qc3+ $11 Qxc3 39. bxc3) 38... Rf2+ $19 {[%mdl 64] Double Attack} 39. Kg3 Rxe2 {Weighted Error Value: White=0.82/ Black=0.40} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.12"] [Round "1.22"] [White "Assaubayeva, Bibisara"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "D35"] [WhiteElo "2646"] [BlackElo "2527"] [Annotator "TA"] [PlyCount "89"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,89,41,12,37,13,28,9,62,15,24,21,9,16,14,12,9,8,14,16,41,42,163,-18, -11,-36,32,0,113,84,286,-17,-15,-28,0,-10,0,-52,664,490,677,504,483,498,1250, 1211,1229,1196,1252,1227,1241,1222,1212,1177,1092,895,860,807,820,816,901,913, 952,888,29988,29989,29987,29988,29988,12832,1651,523,514,490,955,923,29993,705, 659,632]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 $1 {[%mdl 4] is recently more successful than 7.Nf3.} cxd4 {D35: Queen's Gambit Declined: Exchange Variation.} 8. cxd4 Nc6 9. Nf3 Be7 (9... Bb4+ $11 10. Bd2 Bxd2+ 11. Qxd2 O-O) 10. Bc4 O-O 11. O-O b6 12. Bb2 Bb7 13. Qe2 Rc8 14. Rfd1 Na5 {[#]} 15. Bd3 $146 ({Predecessor:} 15. Bb5 Bf6 16. h3 Qc7 17. Ba3 Rfd8 18. Rbc1 Qf4 19. Rxc8 Rxc8 20. d5 Rd8 21. e5 Rxd5 22. exf6 gxf6 {1-0 (41) Vitiugov, N (2739)-Adly,A (2589) Tsaghkadzor 2015}) 15... Qc7 16. d5 exd5 (16... Bc5 $14) 17. e5 $2 (17. exd5 $18 {Black must now prevent Re1.} Rcd8 18. Rbc1) 17... Nc4 $11 18. Bd4 Rfe8 (18... g6 $15) 19. e6 f6 (19... Bf6 $11 {remains equal.}) 20. Nh4 Bc5 $2 {[#]} (20... Bd6 $16) 21. Nf5 $2 ({White must play} 21. Bxc5 $1 $18 {e7 is the strong threat.} bxc5 22. Qh5) 21... Bxd4 22. Nxd4 Qe5 23. Qg4 Qg5 ({ Don't blunder} 23... g6 $2 24. Bxg6 Qg5 25. Bf7+ Kh8 26. Qxg5 $18) 24. Qh3 (24. Qxg5 $11 fxg5 25. Nb5) 24... Ne5 $2 {[%mdl 8192] White stays focused until the end.} (24... g6 $15) 25. Qxh7+ $18 Kf8 {If only Black now had time for ...Qh6.. ..} 26. Nf5 {[%CAl Rh7h8]} Rxe6 {intending ...d4.} 27. f4 {[%mdl 64] [#] Double Attack} Qg4 (27... Qg6 $142 28. Nd4 Qxh7 29. Nxe6+ (29. Bxh7 Rd6 $16) 29... Ke7 30. Bxh7 Kxe6 31. fxe5 fxe5) 28. fxe5 d4 29. Rd2 Rxe5 30. Qh8+ Kf7 31. Nd6+ {[%mdl 64] Double Attack} Ke7 32. Nxc8+ Bxc8 33. Rc1 Bd7 34. Rf2 Qg5 35. Rcf1 Re3 36. Bf5 Bc6 37. Qc8 Kd6 38. Qd8+ Kc5 39. Rc1+ Rc3 40. Rxc3+ (40. Qe7+ $142 Kc4 41. Be6+ Bd5 42. Qc7+ Kd3 43. Bf5+ Qxf5 44. Rxc3+ dxc3 45. Rxf5) 40... dxc3 41. Qd1 Qe3 42. Qe2 Qc1+ (42... Qe5 $142 43. Qf1 b5) 43. Rf1 Qb2 44. Qxb2 (44. Qe7+ $142 Kd5 45. Be6+ Kd4 46. Qd6+ {[%mdl 64] Double Attack} Bd5 { [%mdl 64] Back Rank} 47. Qxd5+ Ke3 48. Rf3+ Ke2 49. Qd3+ {[%mdl 64] Double Attack} Ke1 50. Rf1#) 44... cxb2 45. Rb1 {Weighted Error Value: White=0.60/ Black=0.80} 1-0