[Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.1"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1/2-1/2"] [ECO "D11"] [WhiteElo "2714"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,103,20,15,0,0,0,0,0,0,0,0,0,0,0,5,19,14,25,22,5,0,-50,-50,-57,-54,-53, -6,-4,63,82,64,64,58,67,68,29,32,68,68,6,17,7,20,16,14,0,-1,0,16,16,16,0,0,0,0, 0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, 8,8,8,8,8,8,8,8]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Qb3 { D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} (6. Nh4 {seems wilder.} dxc4 7. Nxf5 exf5 8. e3 Bd6 9. Bxc4 O-O 10. O-O) 6... Qb6 7. c5 Qxb3 { 7...Qc7 might become the main line.} 8. axb3 Na6 9. Ra4 Bc2 {[#]} 10. Bg2 $146 ({Predecessor:} 10. Nd2 e5 11. e3 exd4 12. exd4 Nc7 13. Bg2 a6 14. O-O O-O-O 15. Ra3 Ne4 16. Ndxe4 dxe4 {0-1 (47) Akbarinia,S (2379)-Lazavik,D (2436) Chess. com INT 2020}) 10... Bxb3 11. Ra3 Bc2 12. Bf4 h6 13. O-O Nd7 14. Rfa1 g5 15. Be3 Bg7 16. b4 Nxb4 17. Rxa7 Rxa7 (17... Rb8 {is more complex.} 18. h4 g4 19. Ne1 Bf5 20. R1a3 e5) 18. Rxa7 Nxc5 19. dxc5 $14 {[#] Hoping for Bd4.} Bxc3 20. Bd4 $1 {[%CAl Rd4c3]} Bxd4 21. Nxd4 O-O {aiming for ...Rb8.} 22. Rxb7 e5 23. Nf3 Na6 24. Nxe5 (24. Rb6 $14 Ra8 25. Rxc6) 24... Nxc5 $11 {The position is equal.} 25. Rc7 Ne6 26. Rxc6 Nd4 27. Rxh6 {e3 is the strong threat.} Nxe2+ 28. Kf1 Nc3 29. Rc6 d4 30. h4 gxh4 31. gxh4 Re8 32. f4 Rd8 33. h5 Be4 34. Bxe4 Nxe4 {[%mdl 4096] Endgame KRN-KRN} 35. Rc7 d3 {[#] ( -> ...d2)} 36. Rd7 $1 {[%CAl Rd7d8]} Rxd7 37. Nxd7 {KN-KN} Ng3+ 38. Ke1 Nxh5 39. Kd2 Nxf4 40. Ke3 Kg7 41. Ne5 Kf6 42. Kxf4 {KN-KPP} d2 (42... Kg7 {seems wilder.} 43. Nxd3 Kf8 44. Ne5 Kg8 45. Ng4 Kg7) 43. Ng4+ Ke6 (43... Kg6 {is interesting.} 44. Nf2 f5 45. Nd1 Kf6 46. Ke3 Kg7) 44. Nf2 Kd5 45. Ke3 f5 (45... Kc6 {looks sharper.} 46. Ke2 Kc7 47. Nd3 d1=R 48. Kxd1 f6) 46. Kxd2 {KN-KP} Kd4 47. Ke2 f4 48. Kf1 f3 49. Nh3 Ke3 50. Ng5 f2 51. Nh3 Kf3 52. Nxf2 {Weighted Error Value: White=0.06/Black=0. 05} 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.2"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "B77"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "98"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,98,37,29,0,-8,-13,-19,-15,-20,-16,0,0,0,-27,-22,-22,-22,-40,0,0,0,0, 0,0,4,-8,0,0,49,0,20,-4,18,0,0,0,0,-7,-5,-8,-6,-10,-8,-32,-28,-28,-42,-66,-55, -599,-581,-1094,-1050,-1005,-1272,-12839,-12840,-12841,-12841,-12838,-4022, -12839,-12840,-12843,-12843,-12844,-12843,-12844,-12843,-12844,-12842,-12842,0, -12844,-12844,-12845,-12845,-12849,-12849]} 1. e4 c5 2. Nf3 d6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bxe6 fxe6 12. O-O {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines.} Qa5 13. Rad1 Nd7 14. Bxg7 {The position is equal.} Kxg7 {[#]} 15. Qd4+ $146 ({ Predecessor:} 15. f4 Rac8 16. Kh1 Nb6 17. Rf3 Nc4 18. Qc1 Qb4 19. f5 Ne5 20. Rh3 Ng4 21. Rf1 exf5 {0-1 (32) Klavins,J-Nei,I Tallinn 1959}) 15... Qe5 16. Ne2 Rfc8 17. Rd2 (17. Qe3 {is interesting.} Qxb2 18. Rb1 Qxa2 19. Rxb7 Rxc2 20. Qg5 ) 17... Qxd4+ 18. Nxd4 e5 19. Ne2 Nc5 20. Nc3 Ne6 21. Nd5 Kf7 22. c3 g5 23. g3 Rc5 24. Kf2 b5 25. Ke3 a5 26. a3 Rb8 (26... h5 {keeps more tension.} 27. f4 exf4+ 28. gxf4 Nxf4 29. Nxf4 gxf4+ 30. Rxf4+ Ke6) 27. f4 (27. h4 {with more complications.} gxh4 28. Rh2 Ng7 29. f4 Rxd5 30. fxe5+ Kg6 31. exd5 hxg3 32. Re2) 27... gxf4+ 28. gxf4 Nxf4 29. Nxf4 exf4+ 30. Rxf4+ $11 {[%mdl 4096] Endgame KRR-KRR} Ke6 31. Rh4 h5 32. Rd5 {[%mdl 64] [#] Decoy} (32. Rd3 { feels hotter.} Rbc8 33. Rh3 Re5 34. Rd4 Rg8 35. Rg3) 32... Rxd5 33. exd5+ Kxd5 34. Rxh5+ $15 {KR-KR} Kc4 35. Rh7 $2 {[%mdl 8192] White is now going downhill.} (35. Kd2) 35... Kb3 $19 36. Rxe7 Kxb2 37. Kd4 Kxa3 38. h4 Rh8 39. Re4 Rh5 40. Kd3 Kb3 (40... b4 $142 41. cxb4 axb4) 41. Rg4 b4 42. cxb4 axb4 43. Rd4 d5 44. Ke3 Kc3 45. Rd3+ Kc4 46. Rd4+ Kc3 47. Rd3+ Kb2 {Black is clearly winning.} 48. Rd4 b3 49. Kf3 Kc3 {Weighted Error Value: White=0.74/ Black=0.26} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.3"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1-0"] [ECO "D11"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "143"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,143,21,6,0,0,0,0,0,11,0,0,0,0,0,7,0,27,20,31,0,22,6,8,-13,11,-39,-38, -41,-43,-47,0,0,4,0,50,44,57,43,49,21,54,47,87,16,22,22,22,22,56,41,102,98,100, 102,102,102,99,93,97,93,140,140,132,120,131,109,110,97,141,114,114,97,111,111, 128,115,517,147,352,166,343,329,1587,843,724,123,154,145,151,127,166,152,167, 167,169,166,170,167,162,0,162,162,253,222,244,228,198,8,8,8,8,8,35,35,35,35, 29976,29977,29983,0,35,35,35,35,29972,29973,29983,29984,29984,29985,29985, 29985,29986,29986,29986,4134]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Qb3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} (6. Nh4 { seems wilder.} dxc4 7. Nxf5 exf5 8. e3 Bd6 9. Bxc4 O-O 10. O-O) 6... Qb6 7. c5 Qxb3 {7...Qc7 is the modern continuation.} 8. axb3 {The position is equal.} Na6 9. Ra4 Bc2 {[#]} 10. Bg2 $146 ({Predecessor:} 10. Nd2 e5 11. e3 exd4 12. exd4 Nc7 13. Bg2 a6 14. O-O O-O-O 15. Ra3 Ne4 16. Ndxe4 dxe4 {0-1 (47) Akbarinia,S (2379)-Lazavik,D (2436) Chess.com INT 2020}) 10... Bxb3 11. Ra3 Bc2 12. Bf4 h6 13. O-O Nd7 14. h4 {[%mdl 1024] White has compensation.} f6 15. Rfa1 e5 (15... g5 $5 {[%CAl Rg5f4]} 16. Bd2 (16. hxg5 hxg5 17. Bd2 Rb8 $11) 16... e5 $11) 16. Be3 Bf5 17. b4 Nxb4 {Strongly threatening ...a6.} 18. Rxa7 Rb8 19. Ra8 $1 Be7 ( 19... Rxa8 $15 20. Rxa8+ Kf7) 20. Rxb8+ $11 Nxb8 21. Ra7 Bc8 22. dxe5 O-O 23. exf6 Bxf6 24. Bd4 $36 {[%mdl 2048] White is pushing.} Bxd4 25. Nxd4 N8a6 26. e4 (26. Na4 $16) 26... dxe4 27. Nxe4 Nd3 28. Nb3 Be6 29. Rxb7 Bxb3 (29... Bd5 $14) 30. Rxb3 $16 Naxc5 31. Nxc5 Nxc5 $14 {[%mdl 4096] Endgame KRB-KRN} 32. Rc3 Nd7 33. Rxc6 Nf6 34. Bf3 Nd7 35. Bd5+ Kh7 36. Rc7 Nf6 37. Bf3 Kg8 38. Kg2 Rf7 39. Rc8+ Kh7 40. Rc5 Re7 41. g4 Kg8 42. Ra5 Nd7 $2 {[%mdl 8192]} (42... g6 $16 { is tougher.} 43. g5 hxg5) 43. Kg3 $2 (43. Bd5+ $18 Kh7 (43... Kf8 44. Ra8+ Re8 45. Rxe8+ Kxe8 46. Bc6 g6 47. Kg3 Ke7 48. Bxd7 Kxd7 49. Kf4 Ke6 50. Ke4 $18) 44. Ra7 $18) 43... Ne5 $2 (43... Nf6 $16 {keeps fighting.} 44. Kf4 Rf7) 44. Bd5+ (44. Ra8+ $142 Kh7 45. Be4+ g6 46. Ra6) 44... Kh7 $2 {[#]} (44... Kf8 { was called for.} 45. f4 Nd3) 45. Be4+ $1 $18 Kg8 $2 (45... g6 46. Ra6 Kg7) 46. Ra8+ Kf7 47. f3 $2 (47. f4 $18 {has better winning chances.} Nxg4 48. Bd5+ Kg6 49. Kxg4 h5+ 50. Kf3) 47... Nd7 48. Ra5 Nf6 49. Bf5 Re8 50. h5 {And now Bg6+ would win.} Kg8 51. Bg6 Rd8 52. Ra7 Rc8 53. Bf5 Re8 54. Bg6 $2 (54. Bb1 $18) 54... Rf8 $2 (54... Rc8 $1 $11 {and Black is okay.}) 55. f4 Rd8 (55... Nd5 $142 ) 56. g5 hxg5 57. fxg5 Nh7 58. Bxh7+ (58. Kg4 $18) 58... Kxh7 {KR-KR} 59. h6 Rg8 60. Kg4 Kg6 61. Ra6+ Kh7 62. Kh5 {aiming for g6+.} Rf8 $2 {[%mdl 8192] [#]} (62... Kh8 $14) 63. Ra7 $1 Rg8 64. Ra6 $2 (64. Rf7 {mates} Ra8 (64... Kh8 65. g6) 65. g6+ Kh8 66. hxg7+ Kg8 67. Kh6 Re8 68. Rf8+ {[%mdl 64] Deflection, Promotion} Rxf8 69. gxf8=Q+ Kxf8 70. Kh7) 64... Kh8 65. Rg6 Kh7 66. Rd6 Rf8 $2 {[%mdl 8192]} (66... Kh8 $14) 67. Rd7 {White mates.} Rg8 68. Rf7 Kh8 69. g6 Ra8 70. hxg7+ Kg8 71. Kh6 Rb8 72. Rf8+ {[%mdl 64] Promotion. Weighted Error Value: White=0.51/Black=0.39} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.4"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "1-0"] [ECO "B25"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,63,-9,-42,0,-17,0,-5,-4,-16,-17,-23,-9,-81,-35,-35,-38,-38,-34,-52, -10,-54,-27,-15,26,-79,83,97,227,227,263,272,268,237,223,234,365,306,683,643, 675,670,679,669,1097,1080,1048,1014]} 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. Be3 O-O 9. O-O b6 10. Qd2 Ba6 {B25: Closed Sicilian: 3 g3, lines without early Be3.} (10... d5 $5 {[%CAl Rd5d4]} 11. Bf2 dxe4 12. dxe4 Qxd2 13. Nxd2 e5 $15) 11. Bf2 Rc8 12. a4 Qd7 {[#] The position is equal.} 13. Rae1 $146 ({Predecessor:} 13. Bh3 f5 14. Rfe1 d5 15. exf5 Nxf5 16. Bxf5 Rxf5 17. d4 cxd4 18. Nxd4 Nxd4 19. Bxd4 Bxd4+ 20. Qxd4 {1-0 (28) Franke,J (2301)-Becker,M (2346) Germany 2012}) 13... Nd4 14. b3 Nec6 15. Kh1 ( 15. Nxd4 $11 {remains equal.} cxd4 16. Ne2) 15... Nxf3 16. Bxf3 Nd4 17. Bg2 Bb7 18. Nd1 {[%CAl Bc3d1,Bd1e3,Be3c4][%mdl 32]} f5 19. Ne3 Rce8 20. Nc4 e5 21. c3 ( 21. Bxd4 $11 exd4 22. exf5) 21... Nxb3 $2 (21... Ne6 $17 {stays on course.} 22. fxe5 dxe5) 22. Qa2 $16 {fxe5 is the strong threat.} d5 {This costs Black the game.} 23. exd5 $18 ({Don't do} 23. Nxe5 $6 Bxe5 24. fxe5 c4 $16) 23... exf4 { [#] Threatens to win with ...f3.} 24. Qxb3 fxg3 25. Rxe8 Rxe8 26. Bxg3 { aiming for Nd6.} Re2 (26... Bxd5 $142 27. Nxb6 Bxb3 28. Nxd7 Bxc3 29. Nxc5 Ba2) 27. Bf3 Qxd5 $2 (27... Bxd5 28. Nxb6 {[%mdl 64] Double Attack} Bxb3 29. Nxd7 Re3) 28. Kg1 {White is clearly winning.} Bd4+ 29. cxd4 Qxd4+ 30. Ne3+ $1 Kf8 31. Bxe2 {[#] Strongly threatening Qe6.} Qxe3+ 32. Rf2 {Weighted Error Value: White=0.28/Black=0.69} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.5"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "0-1"] [ECO "A11"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "62"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,61,23,15,36,26,56,58,58,17,91,79,113,89,151,142,166,96,102,96,102,97, 87,89,122,71,71,8,100,74,82,82,82,84,85,109,92,91,246,0,0,0,0,0,0,0,0,0,0, -29999]} 1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O a5 8. Nc3 {outshines the older 8.d3.} e6 {A11: English Opening: 1...c6.} 9. d4 b6 10. Ne5 {[#]} Bb7 $146 {White is slightly better.} ({Predecessor:} 10... Nfd7 11. f4 Bb7 12. cxd5 exd5 13. e4 Nxe5 14. fxe5 Na6 15. exd5 cxd5 16. Nb5 Nc7 { 1-0 (30) Skoberne,J (2572)-Weiss,C (2378) Austria 2018}) 11. e4 Nbd7 (11... Nxe4 $11 {remains equal.} 12. Nxe4 dxe4) 12. exd5 $16 cxd5 13. Re1 Rc8 (13... Ne4 $142) 14. Nb5 Ne4 15. Ba3 (15. f3 $18) 15... Nxe5 16. Bxf8 Qxf8 17. dxe5 Bxe5 {[#]} 18. Rc1 Qc5 19. Qe2 ({White should try} 19. Bxe4 dxe4 20. Qd7) 19... f5 20. Rf1 (20. Bxe4 $16 fxe4 21. cxd5 Qxc1 22. Rxc1 Rxc1+ 23. Kg2) 20... Bg7 ( 20... d4 $11) 21. Kh1 {Hoping for f3.} d4 {[#]} 22. f3 $1 {[%CAl Rf3e4]} d3 { [%mdl 64] Decoy} 23. Qxd3 Nf2+ {[#]} 24. Rxf2 $1 Qxf2 25. Qd7 $1 {[%csl Bb7, Be6]} Bxf3 $2 (25... Qe3 $16 26. Rf1 Rb8) 26. Qxe6+ $2 (26. Qxc8+ $18 Bf8 27. Qxe6+ Kg7 28. Qe5+ (28. Bxf3 {leads to mate.} Qxf3+ 29. Kg1 Bc5+ 30. Nd4 Bxd4+ 31. Qe3 Bxe3#) 28... Kf7 29. Bxf3 Qxf3+ 30. Kg1 Bc5+ 31. Nd4) 26... Kf8 $11 { [%csl Gf2][%CAl Rf3g2]} 27. Qxc8+ Ke7 {[%csl Gf2][%CAl Rf3g2]} 28. Qc7+ Kf6 { [%csl Gf2][%CAl Rf3g2]} 29. Qd8+ Kf7 {[%csl Gf2][%CAl Rf3g2]} 30. Qd7+ Kf8 $1 { [%csl Gf2][%CAl Rf3g2]} 31. Qe6 $2 {[%mdl 8192]} Qxg2# {Both players deserved the win here. Weighted Error Value: White=0.58/Black=0.35} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.6"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "1/2-1/2"] [ECO "B52"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "69"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,69,20,33,25,14,20,33,25,31,21,31,29,34,0,0,0,0,-8,0,0,-1,-14,0,0,0,0, 0,-2,-2,-33,-33,-22,-31,-25,-25,-24,0,-4,0,-12,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 g6 9. f3 Bg7 10. Be3 O-O 11. Rc1 {B52: Sicilian: Moscow Variation with 3...Bd7. } a6 12. Na4 {aiming for Nb6.} Rab8 13. Nxc6 {White is slightly better.} Qxc6 14. O-O {[#]} Nd7 $146 ({Predecessor:} 14... b5 15. cxb5 Qxb5 16. b3 Rfc8 17. Qd2 Nd7 18. Rc2 Rxc2 19. Qxc2 Nf8 20. Rc1 Ne6 {1-0 (57) Kovalev,V (2703) -Aravindh,C (2601) Moscow 2019}) 15. b3 Rfc8 16. Bd4 Bxd4+ 17. Qxd4 b5 18. Nb2 Qc5 19. Qxc5 Nxc5 20. Rfd1 b4 21. Nd3 a5 22. Nxc5 Rxc5 $11 {[%mdl 4096] Endgame KRR-KRR} 23. Rd5 a4 24. Rxc5 (24. Rcd1 {is interesting.} f6 25. Rxc5 dxc5 26. Rd5 axb3 27. axb3 Ra8 28. Rxc5 Ra3 29. Rc8+) 24... dxc5 {KR-KR} 25. Rd1 ({Much worse is} 25. bxa4 Ra8 $17) 25... axb3 26. axb3 Ra8 27. Rd5 Ra3 28. Rxc5 {The position is equal.} Rxb3 29. Rb5 Rb2 30. c5 b3 31. c6 Rc2 32. Rxb3 Rxc6 33. Rb8+ Kg7 34. Rb7 e5 35. h4 {Weighted Error Value: White=0.05/Black=0. 04} 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.7"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1-0"] [ECO "A05"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "89"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,89,14,21,0,0,-5,19,10,10,0,9,7,-5,-45,-10,-25,-29,-19,30,40,129,133, 213,213,211,206,261,206,260,223,221,209,351,189,459,467,465,459,454,450,443, 167,167,159,202,153,204,154,333,202,202,202,251,251,229,161,143,95,185,120,136, 68,68,68,92,99,88,98,99,0,0,0,0,0,0,0,0,0,520,489]} 1. Nf3 c5 2. b3 Nf6 3. Bb2 Nc6 4. g3 d5 5. Bg2 g6 6. O-O Bg7 7. e3 {A05: Réti Opening: 1 Nf3 Nf6.} O-O 8. Na3 {[%CAl Bb1a3,Ba3b5,Bb5a7][%mdl 32]} b6 9. c4 {The position is equal.} Bb7 10. Qe2 e6 {[#]} 11. Rfd1 $146 ({Predecessor:} 11. cxd5 exd5 12. d4 Qe7 13. Rfe1 Rfe8 14. dxc5 bxc5 15. Nb5 Rab8 16. Rac1 Ba6 17. a4 {1-0 (41) Molner,M (2459)-Amanov,Z (2399) Los Angeles 2013}) 11... Qe7 12. Nb5 Rfd8 13. d4 dxc4 14. bxc4 cxd4 15. exd4 Rac8 ({Black should try} 15... Ne8 $14) 16. Ba3 $16 Nb4 (16... Qe8 $16) 17. Nxa7 $18 Ra8 18. Nb5 Ne4 19. Qb2 Bf8 20. Rab1 {[%CAl Ra3b4] } Ra4 21. Ne5 Rda8 (21... f6 $142) 22. Re1 (22. d5 $142 exd5 23. Bxe4) 22... Nf6 (22... f5 23. f3 Nf6) 23. Bxb4 Rxb4 24. Qxb4 Qxb4 25. Rxb4 Bxg2 26. Kxg2 $2 (26. Rb2 Bh3 27. Nc3) 26... Bxb4 27. Re2 Ra4 28. h3 Kg7 (28... Be7 $16 29. Rc2 Ne4) 29. Rb2 Ba5 $2 (29... Be7 $16 {keeps fighting.} 30. Nc3 Ra3) 30. Kf3 Ne8 31. Rc2 {And now a3 would win.} f6 32. Nc6 f5 33. Nxa5 Rxa5 {[%mdl 4096] Endgame KRN-KRN} 34. Rb2 Nf6 (34... Ra4 $16) 35. Kg2 (35. Nd6 $18) 35... Ra4 36. Nd6 ({White should play} 36. Rc2 $16) 36... Nd7 $14 37. Rc2 {[#] Hoping for c5.} Kf6 38. c5 bxc5 ({But not} 38... Rxd4 $2 {[#]} 39. c6 $1 $18) 39. dxc5 {Black must now prevent c6.} Ke7 40. Nb5 (40. Nc8+ $16 Kd8 41. Nb6) 40... Ra5 $11 41. a4 Rxa4 42. c6 Nb6 43. c7 Nc8 44. Rd2 {Rd8 is the strong threat.} Nb6 $2 {[%mdl 8192]} (44... Rc4 $11) 45. Rd6 {Weighted Error Value: White=0.33/ Black=0.54} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.8"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "B23"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "78"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,78,-5,-8,-23,-11,-49,-56,-58,-45,-54,-15,0,-7,-16,0,0,23,4,25,29,45, 42,62,60,58,40,43,19,50,50,45,25,92,77,64,62,77,-39,41,43,43,-88,-51,-102,-108, -96,-84,-329,-327,-404,-318,-283,-282,-283,-134,-553,-58,-601,-615,-592,-568, -1126,-1122,-1147,-1136,-1502,-1404,-29989,-29966,-29997,-1497]} 1. e4 c5 2. Nc3 g6 3. h4 h5 4. d3 Bg7 5. Be3 d6 6. Nf3 {B23: Closed Sicilian: Lines without g3.} Nc6 7. Ng5 {[#]} Nf6 $146 ({Predecessor:} 7... a6 8. Be2 Nh6 9. Qd2 b5 10. Rb1 b4 11. Nd5 Rb8 12. O-O Ng4 13. Bf4 e6 {1-0 (37) Shachar, E-Gershon,A Netanya 1993}) 8. f3 {Black is slightly better.} Bd7 9. Qd2 Nh7 10. Nxh7 Rxh7 11. g3 Qa5 12. Bg2 Nd4 13. a3 Qb6 14. Rb1 Bc6 15. O-O Qc7 16. b4 { [%CAl Bb2b4,Bb4b5][%mdl 32]} b6 17. b5 Bb7 18. Nd1 e5 19. c3 Ne6 20. c4 O-O-O ( 20... f5 $11 {keeps the balance.}) 21. a4 {[%CAl Ba3a4,Ba4a5][%mdl 32]} f5 22. a5 f4 {[#]} 23. gxf4 (23. Bh3 $1 $16 Qe7 24. gxf4) 23... Nxf4 (23... exf4 $15 24. Bf2 Kb8) 24. Bxf4 exf4 25. Qxf4 (25. a6 $14 {keeps the upper hand.} Ba8 26. Qxf4) 25... Rf8 26. Qg3 ({White should play} 26. Bh3+ $15 Kb8 27. axb6 axb6 28. Qg3) 26... Bd4+ $17 27. Kh1 bxa5 28. Nf2 $2 (28. f4 $17 {might work better.}) 28... Be5 $1 $19 {[%CAl Re5g3]} 29. Qxg6 Kb8 {Threatens to win with ...Rg7.} 30. Nh3 Rg7 31. Qh6 Rfg8 (31... Qd8 $1 $19 {[%CAl Rd8h4] has better winning chances.} 32. f4 Bf6) 32. Ng5 $2 {[%mdl 8192]} (32. f4 $17 {nothing else works. } Rxg2 33. fxe5) 32... Bf4 $2 ({Better is} 32... Rg6 $1 $19 {[%CAl Rg6h6]} 33. Qxh5 Rxg5 $1 {[%mdl 512]} 34. hxg5 Rh8 35. Qxh8+ Bxh8) 33. Bh3 $2 {[%mdl 8192]} (33. Qf6 $15 Be5 34. Qe6) 33... Bxg5 34. hxg5 {[#]} Rg6 $1 35. Qxh5 {And now f4 would win.} Rxg5 36. Qh6 R5g6 37. Qh4 Qg7 {( -> ...Rh8!)} 38. Kh2 Rh8 39. Qf4 Rgh6 {Weighted Error Value: White=1.04/Black=0.43} (39... Rg2+ $142 40. Kh1 Rxh3+ 41. Qh2 Rhxh2#) 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.9"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1/2-1/2"] [ECO "E60"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "129"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,129,20,35,11,20,13,16,0,45,45,45,50,51,45,52,52,156,163,155,166,290, 191,174,62,61,0,0,0,0,-133,-139,-169,-162,-158,-156,-547,-541,-516,-304,-471, -464,-454,-143,-175,-118,-105,-86,-76,-81,-102,-124,-112,-100,-98,-98,-97,0, -10,0,-15,-1,-49,0,-8,0,-56,-56,-56,-56,-70,-56,-56,-56,-56,-56,-61,-56,-112, -105,-113,-111,-127,-111,-127,-87,-129,-129,-129,-132,-557,-520,-508,-510,-454, -27,-1981,-797,-823,-500,-485,-433,-29970,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. Nf3 c5 2. b3 Nf6 3. Bb2 g6 4. c4 Bg7 5. g3 O-O 6. Bg2 Nc6 7. O-O d6 8. d4 cxd4 9. Nxd4 Bd7 10. Nc3 Rc8 11. Rc1 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} Qa5 12. e3 Rfd8 {[#]} 13. a3 $146 ({ Predecessor:} 13. Qe2 a6 14. a3 Bg4 15. f3 Bd7 16. Kh1 Qh5 17. b4 Bh3 18. Rfd1 e6 19. Nb3 Ne5 {1/2-1/2 (50) Krause,U (2308)-Bracker,F (2381) Germany 2013}) 13... e6 14. b4 Qh5 15. Qxh5 Nxh5 16. Ndb5 Be8 17. Rfd1 d5 (17... Ne5 $1 $14) 18. cxd5 $16 exd5 19. Rxd5 Ne5 (19... Rxd5 $142 20. Bxd5 Rd8) 20. Rxd8 Rxd8 21. Bf1 (21. Bxb7 Nd3 $11) ({White should try} 21. Nxa7 $18 {aiming for Ba1.} Rd2 22. Ba1) 21... Nf3+ $14 22. Kh1 (22. Kg2 $14 Nd2 23. Nxa7) 22... Rd2 $11 23. Bg2 Ne5 $36 {[%mdl 2048] ...Nd3 is the strong threat. Black is more active.} 24. Ba1 (24. Ne4 $1 $11 {was the only way to keep the balance.} Rxb2 25. Rc8) 24... Nd3 $17 {[%mdl 64] Double Attack} ({Inferior is} 24... Rxf2 25. Kg1 $11) 25. Rf1 Nxf2+ 26. Kg1 Ng4 27. Ne4 $2 {[#]} (27. Nc7 $17 {is more resistant.} Nxe3 28. Rf2 Rxf2 29. Kxf2 Ng4+ {[%mdl 64] Double Attack} 30. Ke2) 27... Rxg2+ $1 $19 {[%mdl 576] Decoy} 28. Kxg2 Nxe3+ {[%mdl 64] Double Attack} 29. Kf2 (29. Kg1 {only move.} Nxf1 30. Bxg7 Bxb5 31. Bh6) 29... Nxf1 (29... Bxb5 $2 30. Rc1 $19) 30. Bxg7 Kxg7 $2 ({Not} 30... Nxg7 31. Nf6+ Kf8 32. Nxe8 $17) (30... Bxb5 $19 {has better winning chances.} 31. Bd4 Nxh2) 31. Nbd6 $17 Bc6 (31... Nxh2 $19 32. Nxe8+ Kf8) 32. Kxf1 {[%mdl 4096] Endgame KBN-KNN} f5 33. Nc5 b6 34. Ne6+ Kf6 35. Nd4 Bd5 36. Nc8 Ke5 37. Nc2 a5 (37... Be4 $17 38. Ne3 Kd4) 38. Nxb6 $11 axb4 {White must now prevent ...b3.} 39. axb4 Be4 40. Ne3 f4 41. gxf4+ Nxf4 42. b5 (42. Ng4+ $11 Kd4 43. Nf6) 42... Bd3+ 43. Kf2 Bxb5 44. Nbc4+ Kf6 45. Nd6 Bc6 46. Kg3 Ne2+ (46... Nh5+ {is interesting.} 47. Kh4 Ng7 48. Kg3 Ke5 49. Nf7+ Ke4) 47. Kf2 Nc3 (47... Nd4 {keeps more tension.} 48. Kg3 Ke5 49. Nf7+ Ke4 50. Nc4 Nf5+) 48. Ndc4 (48. h4 $15) 48... Ne4+ 49. Kg1 g5 50. Nb2 Ke5 51. Ng4+ Kf4 52. Nf2 Nd2 53. Nbd3+ Kf5 54. Nd1 $2 {[%mdl 8192]} (54. Ne1 $17 { is a better chance.}) 54... Nf3+ $19 55. Kf2 Nxh2 56. Ne3+ Kf6 $2 (56... Ke4 $19 57. Nc5+ Ke5) 57. Kg3 $2 {[%mdl 8192] [#]} (57. Ne1 $11) 57... Nf3 (57... Nf1+ $142 $1 {[%mdl 512]} 58. Nxf1 Bb5) 58. Nb4 Bb7 59. Nbd5+ Ke5 60. Kxf3 (60. Nb6 $19 h5 61. Nd7+ Ke4 62. Nc4) 60... Bxd5+ $2 (60... h5 {mates} 61. Kg2 Bxd5+ 62. Kg3 Be6 63. Kf2 Ke4 64. Nf1 h4 65. Kg1 Kf4 66. Kf2 g4 67. Ne3 g3+ 68. Ke2 h3 69. Nc2 h2 70. Nb4 Bc4+ 71. Kd2 h1=Q 72. Kc2 Qe4+ 73. Kd1 g2 74. Kc1 g1=Q+ 75. Kb2 Qgb1+ 76. Kc3 Qb3+ 77. Kd2 Qee3#) 61. Kg4 $11 {The position is equal.} h6 {Strongly threatening ...Bf7.} 62. Kh5 Be6 63. Kxh6 Kf4 64. Kg6 Kxe3 65. Kxg5 {Never resign too early! Weighted Error Value: White=0.74/Black=0.70} 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.10"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "1-0"] [ECO "B23"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,85,4,5,-6,-2,0,28,-25,-20,-34,8,-29,-46,-36,-40,-41,-41,-29,-37,-38, -47,-80,0,0,0,-20,-22,-13,0,-15,0,0,18,19,24,18,18,37,34,38,113,0,4,9,202,200, 204,208,187,193,223,201,239,227,205,208,355,356,337,294,241,5,5,8,103,78,72,0, 0,0,0,0,2,-90,951,926,919,784]} 1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 d6 5. Bb5+ Bd7 6. Bc4 {B23: Closed Sicilian: Lines without g3.} e6 7. O-O Ne7 8. d3 (8. d4 $142) 8... O-O 9. Qe1 Bc6 10. Qh4 {f5! is the strong threat.} d5 $1 {[%CAl Rd5c4] [#]} 11. Bb3 $146 ({Predecessor:} 11. Bb5 dxe4 12. Bxc6 Nexc6 13. Qxd8 Rxd8 14. Nxe4 Na6 15. Bd2 Ncb4 16. Ne1 Rac8 17. Bc3 {0-1 (57) Srikanth,K (1945) -Aravindh,C (2601) Kolkata 2019}) 11... b5 {[%CAl Bb7b5,Bb5b4][%mdl 32]} 12. f5 exf5 13. Bg5 $1 {[%CAl Rg5e7]} f6 14. exd5 Nxd5 15. Be3 Na6 (15... c4 $1 $17 16. dxc4 (16. Nxd5 cxb3 17. Nb4 Re8 $17) 16... Nxe3 17. cxb5+ Kh8 18. bxc6 Nxf1 ) 16. a4 $36 {[%mdl 2048] White has good play.} b4 17. Nxd5 Bxd5 18. Bc4 Qd6 19. Bxa6 Qxa6 20. Bxc5 {[%mdl 64] [#] Double Attack} Rfc8 21. Qxb4 Qc6 { White must now prevent ...Rab8.} 22. d4 Rab8 23. Qc3 a5 24. b3 Be4 ({Better is } 24... Qc7 $14) 25. Rac1 (25. Rf2 $16) 25... Bf8 {[%CAl Rf8c5]} 26. Qxa5 Bxc5 $2 (26... Bh6 $1 $11 {and Black has nothing to worry.} 27. Ra1 Bxc2) 27. dxc5 $18 ({Less strong is} 27. Qxc5 Qd7 $14) 27... Qxc5+ 28. Qxc5 Rxc5 {[#]} 29. Nd4 Rc3 30. Rf2 Kf7 31. Nb5 Re3 32. Rd2 Ke6 (32... g5 {might work better.} 33. Ra1 f4 34. Nd6+ Ke6 35. Nxe4 Rxe4) 33. Kf2 f4 34. Nd4+ Ke5 35. Re1 $2 (35. a5 $18) 35... Rxe1 $11 36. Kxe1 {[%mdl 4096] Endgame KRB-KRN} g5 (36... Bxg2 $1 $11 { remains equal.} 37. c3 Be4) 37. Nb5 g4 38. c4 (38. Kf1 $16) 38... f3 39. g3 { Strongly threatening a5.} h5 40. Kf2 {Threatens to win with a5.} Rh8 41. Rd7 ( 41. Ke3 $11 {keeps the balance.} f5 42. a5) 41... h4 $2 {[%mdl 8192]} (41... f5 $17 42. Nc3 h4) 42. Re7+ $18 Kf5 43. Nd6+ {Weighted Error Value: White=0.33/ Black=0.30} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.11"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1-0"] [ECO "A15"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "75"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,75,0,7,-10,-20,-23,-9,-12,-5,-16,-13,-18,-14,-32,-37,-54,0,-12,0,-14, 0,-19,1,14,25,25,262,267,253,262,255,261,548,544,534,522,456,454,456,446,466, 466,466,466,466,466,467,467,464,398,393,389,384,381,403,402,29989,29990,29990, 29991,29991,1200]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. g3 d6 6. Bg2 e5 7. O-O c6 {7...Re8 is becoming the main line.} 8. Nc3 Nbd7 9. Ne1 {A15: English Opening: 1...Nf6.} Re8 10. Nc2 a5 {[#]} 11. d3 $146 {The position is equal.} ({Predecessor:} 11. e3 Nc5 12. d4 {1/2-1/2 (12) Panic,N (2346)-Ilic,Z (2289) Kraljevo 2014}) 11... Nc5 12. d4 exd4 13. Nxd4 h5 14. Qc2 h4 15. Rad1 Qc7 16. Bc1 hxg3 17. hxg3 Bg4 18. Rfe1 Rad8 19. Bg5 Rd7 20. Qc1 Re5 $2 { Black cannot hold the game after this.} (20... Nh7 $11) 21. Bxf6 $18 Bxf6 {[#]} 22. Qf4 {[%csl Bf6,Bg4][%CAl Rf4f6]} Bf5 {[#]} 23. g4 $1 {[%CAl Rg4f5]} Bg5 $2 ({Don't play} 23... g5 24. Qf3 $18) (23... Ne6 24. Nxe6 fxe6) 24. Qxg5 Bc2 25. Qh6 Bxd1 26. Rxd1 ({Not} 26. Nxd1 Qd8 $18) 26... Qd8 27. Nf3 Re8 28. Ng5 Qf6 29. Nce4 Nxe4 30. Nxe4 {[%CAl Re4f6]} Qe5 31. g5 {Nf6+! would kill now.} Re6 32. Nf6+ Rxf6 33. gxf6 Qxf6 34. Rd3 Qa1+ 35. Bf1 Qxa2 (35... Qf6 $18 36. Qd2 Qe5) 36. Re3 {[%CAl Re3e8] White mates.} Rd8 37. Qh4 Rf8 38. Qd4 {Weighted Error Value: White=0.05/Black=0.62} (38. Rh3 $142 Kg7 39. Qh6+ Kf6 40. Qxf8 Qa1 41. Qxd6+ Kg5 42. Qe7+ Kf5 43. e4+ Kf4 44. Rh4+ Kf3 45. Qxf7+ {[%mdl 64] Double Attack} Qf6 46. Qxf6#) 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.12"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "125"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,125,12,26,9,12,0,34,39,45,11,14,0,2,7,14,0,0,0,0,0,19,15,12,6,54,-21, 23,-7,7,6,0,-9,-7,-32,-25,-28,-25,-29,75,0,0,0,0,0,0,0,0,0,74,8,8,8,8,8,8,8,8, 8,16,16,27,12,12,12,12,0,2,0,0,0,0,0,0,0,0,0,0,-8,8,0,0,0,0,0,8,8,8,8,8,8,8,8, 8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 {B12: Caro-Kann: Advance Variation.} bxc6 7. Bd3 g6 8. O-O {White is slightly better.} Bg7 {[#]} 9. Qe2 $146 ({Predecessor: } 9. Re1 Nh6 10. Bf4 Qb6 11. Qd2 Nf5 12. Nc3 a5 13. Na4 Qd4 14. b3 h5 15. c3 { 1-0 (29) Muzychuk,A (2569)-Stefanova,A (2486) Caleta 2019}) 9... Nh6 10. h3 O-O 11. Nd2 c5 {White must now prevent ...c4.} 12. c4 Nf5 13. Nf3 dxc4 14. Bxc4 Bb7 15. e6 {With the idea Rd1.} f6 16. Rd1 Qb6 17. Be3 (17. Rd7 $14) 17... Rfd8 18. b3 a5 19. Rd7 Bc6 $1 20. Rxd8+ Rxd8 21. Rd1 (21. Bf4 {keeps more tension.} a4 22. Rd1 axb3 23. Rxd8+ Qxd8 24. axb3 Qa8 25. Bd3) 21... Rxd1+ 22. Qxd1 Nxe3 23. fxe3 Bxf3 {[#]} (23... f5 $11) 24. Qxf3 (24. Qd7 $1 $16 {[%CAl Rd7e8]} h5 25. gxf3) 24... Qd8 $11 25. Qc6 (25. Kf1 {with more complications.} h5 26. Ke2 Qc7 27. Qd5 f5 28. Qd7) 25... f5 26. Qd7 (26. Bd5 {is interesting.} Be5 27. Kf2 Bd6 28. Qb5 Kg7 29. Ke2) 26... Qf8 27. Qc7 Bh6 28. Qxc5 f4 (28... Qf6 $11 {remains equal.}) 29. exf4 ({Better is} 29. Qxa5 $16 f3 30. Qd2) 29... Qxf4 30. Qf2 Qc1+ 31. Kh2 {[#] Threatening mate with Qf7+.} Bf4+ 32. g3 Qd2 33. Kg2 (33. Be2 { feels hotter.} Qe3 34. Kg2 Qxf2+ 35. Kxf2 Bd2 36. h4) 33... Qxf2+ 34. Kxf2 { [%mdl 4096] Endgame KB-KB} Bd6 35. Kf3 Kg7 {The position is equal.} 36. g4 Kf6 37. Ke4 Kg5 38. Kd5 Kh4 39. Bf1 Kg3 40. Kc4 Kf2 41. Bd3 Kg3 42. Kb5 Bb4 43. a3 Bd2 44. b4 axb4 45. axb4 Kxh3 46. Be2 Kh4 47. Kc5 h5 48. gxh5 gxh5 49. b5 Kg5 50. Kc6 Kf6 (50... h4 {seems wilder.} 51. Kd7 Bb4 52. b6 h3 53. b7 Bd6) 51. Bc4 h4 52. b6 Bf4 53. b7 h3 54. Bd5 h2 55. Kd7 Be5 56. Kc8 Bf4 57. b8=Q Bxb8 58. Kxb8 h1=Q (58... Ke5 {is more complex.} 59. Bh1 Kxe6 60. Kc7 Ke5 61. Kd7 Kf6) 59. Bxh1 {White threatens Bd5 and mate.} Kxe6 {KB-KP} 60. Kc7 Ke5 61. Kd7 e6 62. Ke7 Kf4 63. Kxe6 {Weighted Error Value: White=0.10/Black=0.11} 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.13"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1/2-1/2"] [ECO "A06"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "97"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,97,3,27,24,21,19,22,15,26,18,20,1,10,10,7,9,10,6,6,0,6,0,17,8,43,43, 43,41,53,49,49,43,48,41,37,41,43,40,58,64,83,19,33,39,125,0,4,0,4,6,11,-7,-7, -7,-7,-7,-7,-7,-11,-5,0,0,215,226,236,137,221,9,75,0,84,8,10,0,80,0,19,20,128, 0,153,0,113,0,133,0,70,0]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Nc6 5. Bb5 e6 6. O-O Bd7 7. d4 {A06: Réti Opening: 1 Nf3 d5.} cxd4 8. exd4 Bd6 9. a3 {The position is equal.} Qc7 10. Nbd2 O-O {[#]} 11. h3 $146 ({Predecessor:} 11. Re1 Rfe8 12. c4 Rad8 13. c5 Bf8 14. Bd3 a5 15. Bc3 b6 16. b4 axb4 17. axb4 bxc5 18. bxc5 {1/2-1/2 (48) Denoth,M (2178)-Landenbergue,C (2416) Geneve 2004}) 11... a6 12. Bd3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. Nf3 Qc3 17. Qd2 Rac8 18. Qxc3 Rxc3 19. Rfe1 Rfc8 20. Nd4 g6 21. Re7 Kf8 22. Rae1 Re8 23. Rxe8+ Bxe8 24. f3 h5 25. Kf2 h4 26. Ke2 ({White should try} 26. Re5 $16) 26... Rc7 $11 27. Kd2 Nh5 {[#]} (27... Rd7 $14) 28. Ne2 ({White must play} 28. Bxg6 $1 $16 { [%mdl 512]} Nf4 29. Bf5) 28... Re7 29. a4 Bd7 30. a5 Kg7 31. Nd4 Rxe1 32. Kxe1 {[%mdl 4096] Endgame KBN-KBN} Nf4 33. Bf1 Kf6 34. Kd2 Ke5 35. c3 f5 36. Ke3 Nh5 $2 (36... g5 $11) 37. f4+ $1 $18 Kd6 38. Be2 (38. Nf3 $18) 38... Ng3 {[#]} ( 38... Nf6 $16 {keeps fighting.}) 39. Bf3 $2 (39. Nf3 $1 $18) 39... Bc6 (39... Ne4 $11) 40. b4 (40. c4 $16) 40... Nf1+ (40... Ne4 $11 {keeps the balance.}) 41. Ke2 (41. Kd3 $16) 41... Ng3+ $1 $11 42. Ke3 (42. Kd3 $11) 42... Nf1+ $16 43. Ke2 ({White should play} 43. Kd3 $16) 43... Ng3+ $1 $11 44. Kd3 Bd7 (44... Ba4 $11) 45. Ke3 (45. Nb3 $16) 45... Bc6 $2 (45... Ne4 $11) 46. Kd3 Bd7 47. Ke3 Bc6 48. Kd2 (48. Nb3 $16) 48... Nf1+ (48... Ne4+ $11 49. Kd3 Ba4) 49. Ke2 { Weighted Error Value: White=0.42/Black=0.35} ({Better is} 49. Kd3 $14) 1/2-1/2 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.14"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "B23"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "100"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,100,18,20,27,60,45,63,51,52,10,53,0,0,-7,16,8,47,47,51,53,66,52,125, 110,220,217,202,147,264,174,171,164,156,152,366,143,135,105,106,108,114,113, 113,107,81,-10,58,0,12,8,37,-14,-14,-139,-147,-335,-318,-337,-335,-337,-345, -362,-360,-360,-345,-336,-345,-375,-338,-671,-226,-263,-195,-506,-269,-465, -445,-424,-418,-1109,-1100,-1643,-1316,-29973,-29973,-29978,-29979,-29979, -29980,-29980,-29981,-29981,-29982]} 1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 e6 5. d4 cxd4 6. Nxd4 {B23: Closed Sicilian: Lines without g3.} a6 7. Be3 Ne7 8. Be2 {White is slightly better.} O-O 9. O-O Nbc6 {[#]} 10. Nb3 $146 (10. Nxc6 $14 Nxc6 11. Qd6) ({Predecessor:} 10. Bf3 d5 11. exd5 Nxd4 12. Bxd4 Nxd5 13. Bxg7 Kxg7 14. Nxd5 exd5 15. Qd4+ Kg8 16. Rad1 Be6 17. Bxd5 Bxd5 18. Qxd5 Qb6+ 19. Qd4 Qc7 20. c3 Rad8 21. Qf6 Rfe8 {1-0 (21) Soerensen,H (1633)-Bucka Lassen,E (1503) Leck,Tonder,Niebuell,Logumklo 2019}) 10... d5 $11 {And now ...d4 would win.} 11. e5 b6 12. Qd2 Bb7 13. Na4 Nc8 14. Rad1 $36 {[%mdl 2048] White is pushing.} Qc7 15. Qe1 N6e7 {[#]} (15... b5 $14 16. Nac5 Nb6) 16. Qf2 $1 $16 Qxc2 (16... b5 $16) 17. Rc1 $18 Qe4 18. Nxb6 Nf5 (18... Nxb6 $16 19. Bd4 (19. Bxb6 Rfc8 $16) 19... Nf5) 19. Bc5 Nxb6 20. Bxf8 Bxf8 21. Qxb6 Nh4 $2 (21... Qxe2 $16 22. Qxb7 Re8) 22. Qf2 $2 (22. Rf2 $18 Qb4 23. Qxb4 Bxb4 24. Rc7) 22... d4 $16 23. Bf3 Nxf3+ 24. Qxf3 Qxf3 25. gxf3 Bh6 26. Nxd4 Bxf4 {Hoping for ... Be3+.} 27. Rce1 (27. Rc7 $16) 27... Bd5 (27... Rd8 $11 28. Nc2 Rd5) 28. b3 ({ White should play} 28. Rf2 $14) 28... Rc8 29. Kg2 Rc3 30. Ne2 (30. Kh3 $14) 30... Rc2 $11 31. Kg1 (31. Kh3 $11 Bxe5 32. Ng3) 31... Bxe5 $17 32. Nc1 $2 (32. Rf2 $17 {might work better.}) 32... Bxh2+ $19 33. Kh1 {If only White now had time for Re2....} Bf4 34. Nd3 Bd6 35. Rf2 Rc3 36. Rd1 Kg7 37. Kg2 h5 38. Ne1 g5 39. Rc2 $2 {[#]} (39. Rfd2) 39... Rxc2+ $2 (39... Bxf3+ $1 {[%mdl 512]} 40. Nxf3 Rxc2+ 41. Rd2 Rxd2+ 42. Nxd2 f5) 40. Nxc2 {[%mdl 4096] Endgame Black should prevent Ne3. KRN-KB} g4 41. Ne1 (41. Rxd5 gxf3+ 42. Kxf3 exd5 43. Ne3) 41... Bb4 42. Kf2 $2 (42. Kg1) 42... Bxe1+ 43. Rxe1 Bxf3 {KR-KB} 44. b4 (44. Kg3 $142 Kg6 45. Kh4) 44... h4 45. a4 Bd5 46. b5 axb5 {Black mates.} 47. axb5 g3+ 48. Ke3 h3 49. Kf4 h2 50. Kxg3 h1=Q {Black used his chance. Weighted Error Value: White=0.77/Black=0.35} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.15"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1-0"] [ECO "D05"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,93,9,0,2,0,0,-24,0,-43,-41,-47,-47,-48,-18,-50,-17,-55,-17,-92,-87, -87,-85,-88,-85,-96,-77,-78,-43,-64,-66,-68,-60,-71,-75,-89,-44,-46,-20,-42, -25,-22,0,-35,-16,-106,-14,-14,0,-10,0,-17,-19,-231,0,0,0,-2,43,61,249,221,327, 0,18,18,20,0,65,33,370,350,29982,29983,29994,29995,29996,29989]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. e3 Be7 5. d4 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 b6 9. Nbd2 { [%CAl Bb1d2,Bd2f1,Bf1g3,Bg3h5,Bh5f4][%mdl 32]} Bb7 10. Qe2 Rc8 {D05: Colle System with ...e6.} 11. Rfd1 Qc7 {[#]} 12. Nf1 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 12. h3 Qb8 13. Rac1 Rfd8 14. c4 cxd4 15. Nxd4 Nxd4 16. exd4 dxc4 17. bxc4 Qf4 18. Nf1 {1-0 (48) Mikhailovsky,V (2228) -Nozdrachev,L (2372) Chess.com INT 2021}) 12... Ne4 {Black has an edge.} 13. dxc5 (13. Rac1 {is more complex.} Na5 14. dxc5 bxc5 15. N3d2 f5 16. c4) 13... Nxc5 14. Ng3 Nxd3 15. cxd3 Qb8 16. Nh5 f6 17. Nf4 Nd8 18. Rac1 (18. Nd4 $11) 18... e5 $17 19. Nh5 Ne6 20. Ng3 g6 21. h4 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Qxc8 24. h5 Kf7 25. hxg6+ hxg6 26. b4 Ba6 27. Qd1 Bb5 28. a4 Bd7 29. b5 Qc5 30. Qb3 (30. Bxe5 $5 fxe5 31. Nxe5+ {[%mdl 64] Double Attack} Ke8 32. d4 $11) 30... Qd6 31. Ne1 (31. d4 $11 exd4 32. Bxd4) 31... Nc5 ({Better is} 31... Qb4 $17 32. Qxb4 Bxb4) 32. Qd1 $11 Kg7 33. Ba3 {Strongly threatening d4.} Qe6 34. d4 exd4 35. exd4 {[#]} (35. Qxd4 $11 Nb3 36. Qb2) 35... Ne4 $2 ({Black should try} 35... Nxa4 $1 $19 {[%mdl 512]} 36. Bxe7 Qxe7 37. Qxa4 Qxe1+ 38. Nf1 a5) 36. Bxe7 { Hoping for Nxe4.} Qxe7 37. Qe2 f5 {[#]} 38. f3 $1 Qh4 (38... Qb4 39. fxe4) 39. fxe4 $18 Qxg3 (39... dxe4 {might work better.} 40. Nf1 Be6) 40. e5 $2 ({ White must play} 40. exd5 $18 Kf8 41. Nf3) 40... Qc3 41. Nf3 {e6 is the strong threat.} Be6 42. Qf2 Qc1+ (42... g5 $11) 43. Qe1 $1 $14 {[%CAl Re1c1]} Qb2 { [%mdl 8192]} (43... Qxe1+ $14 44. Nxe1 g5) 44. Qh4 $18 Qa1+ $2 (44... Qc1+ $18 45. Kf2 Qc2+ 46. Kg3 f4+ 47. Qxf4 Qf5) 45. Kh2 {White mates.} Bf7 46. Qf6+ Kg8 47. e6 {Weighted Error Value: White=0.36/Black=0.61} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.16"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "B23"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "54"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,54,-19,-21,-16,-14,-21,29,-110,-67,-78,-46,-100,53,52,74,12,62,20,102, 21,194,126,127,121,367,350,462,451,609,590,891,103,92,-920,-931,-959,-953,-927, -942,-942,-942,-935,-912,-1233,-1209,-29986,-29987]} 1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 {[#]} Nc6 $1 6. Qf4 {B23: Closed Sicilian: Lines without g3.} Nh5 7. Qe3 Ng7 8. g4 {[#]} (8. Nf3 $11 {keeps the balance.}) 8... Ne6 $146 ({Predecessor:} 8... h5 9. f3 Ne6 10. h4 hxg4 11. fxg4 Bh6 12. g5 Bxg5 13. hxg5 Rxh1 14. Nh3 Qa5 {0-1 (59) Kairbekova,A (2065)-Pavlidis,A (2333) Chess.com INT 2020}) 9. Bd2 Bg7 10. f4 (10. Nf3 $15) 10... Nc7 $2 (10... d6 $17 {And now ...Ned4 would win.} 11. O-O-O dxe5 12. fxe5 Nxe5 13. Bb5+ Bd7) 11. O-O-O O-O 12. Nf3 (12. Qg3 $1 $16) 12... b5 13. h4 b4 {[#]} (13... d5 $11 { remains equal.}) 14. Ne4 (14. h5 $1 $16) 14... Nd5 $2 (14... d5 $11 {and Black stays safe.} 15. Nf2 d4) 15. Qf2 ({White should play} 15. Qb3 $18 Nb6 16. Bb5 ( 16. Bxb4 Nxb4 17. Qxb4 a5 $14)) 15... Qa5 16. Bc4 {h5 is the strong threat.} Ba6 $2 (16... Nb6 $16 {was necessary.} 17. Bb3 d5 18. exd6 Bxg4) 17. Bb3 $18 Rfc8 18. h5 Qb5 {Black hopes to continue with ...Na5.} 19. hxg6 hxg6 { intending ...Na5.} 20. Nfg5 $2 (20. Qh4 $18 Kf8 21. f5) 20... Na5 $16 21. Qh4 $2 {[%mdl 8192]} (21. Be3 $16 Nxb3+ 22. axb3 Nxe3 23. Qxe3) 21... Nxb3+ $19 22. axb3 {[#]} Rxc2+ $3 {[%mdl 512]} 23. Kxc2 Qd3+ 24. Kc1 {[#]} Rc8+ $1 25. Bc3 Qe3+ {[%mdl 64] Pin} 26. Kb1 Bd3+ 27. Ka2 Rc6 {[%CAl Rc6a6] What a bad dream for White. Weighted Error Value: White=1.45/Black=0.54} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.17"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "1-0"] [ECO "C40"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "57"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,57,-12,-6,-11,2,3,44,4,29,31,32,15,71,38,41,35,93,27,45,13,227,226, 231,227,234,234,233,221,450,452,609,577,726,714,689,582,583,600,729,717,639,0, 1095,1093,1053,1039,1306,707,1874,1709]} 1. Nf3 f5 2. d3 Nc6 3. e4 e5 4. Nc3 Nf6 5. Be2 fxe4 6. dxe4 {C40: Latvian and Elephant Gambits.} Bc5 7. O-O O-O 8. Bg5 {aiming for Bxf6.White is slightly better.} d6 {[#]} 9. Nd5 $146 ({ Predecessor:} 9. Bc4+ Kh8 10. Nd5 Ne7 11. Nxf6 gxf6 12. Bh6 Rg8 13. Bxg8 Qxg8 14. Be3 Bh3 15. Nh4 Bxe3 16. fxe3 {1-0 (25) Malfait,A (1359)-Taylor,R (1294) ICCF email 1998}) 9... Be6 10. c3 Qd7 (10... Bxd5 $11 {keeps the balance.} 11. exd5 Ne7) 11. Nxf6+ (11. Bxf6 $5 gxf6 12. b4 $14) 11... gxf6 12. Bh6 Rf7 ({ Black should play} 12... Rfd8 $14) 13. Qd2 (13. Nh4 $16) 13... Kh8 $11 14. a4 { [%CAl Ba2a4,Ba4a5][%mdl 32] Black must now prevent b4.} Rg8 $2 {White stays focused until the end.} (14... a5 $11) 15. b4 $18 Bh3 {[#]} 16. g3 ({Wrong is} 16. bxc5 $2 Bxg2 17. Bg5 Bh3 $19) 16... Bxf1 17. Rxf1 Bb6 18. a5 f5 $2 (18... Bxa5 {might work better.} 19. bxa5 Qe6) 19. axb6 fxe4 20. Ng5 {[%mdl 64] Double Attack} Rf6 21. Nxe4 Rfg6 22. bxa7 Nxa7 23. Bc4 Rd8 24. Bg5 Rf8 25. Bh6 $2 ({White should try} 25. f4 $18) 25... Rf5 $2 {[%mdl 8192]} (25... Rd8 $11 26. Ra1 Nc8) 26. Ra1 {White is clearly winning.} Nc8 27. Ra8 b5 28. Bd3 Rf7 { [#]} 29. Ng5 $1 {Weighted Error Value: White=0.46/Black=0.57} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.18"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "1-0"] [ECO "B38"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "95"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,95,37,39,32,32,29,39,22,64,58,69,44,75,64,69,60,56,35,103,88,102,68, 108,50,93,40,88,49,132,75,77,15,111,79,122,110,152,148,177,174,156,177,156,183, 439,355,554,533,1596,1266,1704,1573,1530,1472,1295,1391,1691,1677,1641,1610, 1531,1188,5173,5173,29993,29973,29973,29974,29952,12848,29979,29980,29980, 29981,29986,29987]} 1. e4 c5 2. c4 Nc6 3. Ne2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O 9. O-O Nxd4 10. Bxd4 Bd7 {The main line 10...Bd7 scores better than 10...Be6.} 11. h3 Bc6 12. Qc2 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} a5 13. Rad1 a4 {[#]} 14. Nd5 $5 $146 {[%mdl 8] White is slightly better. An interesting novelty.} ({Predecessor:} 14. c5 Qa5 15. cxd6 exd6 16. a3 Rfe8 17. Bf3 Re6 18. Nd5 Bxd5 19. exd5 Ree8 20. Bc3 { 0-1 (59) Mekhitarian,K (2563)-Guseinov,G (2666) Chess.com INT 2020}) 14... Nxd5 15. exd5 Bd7 16. Rfe1 Rc8 17. Bxg7 Kxg7 18. Qc3+ Kg8 19. Qe3 f6 (19... Re8 $14) 20. h4 Rf7 21. h5 Qf8 22. Rd4 (22. Rc1 $16) 22... Qg7 23. b3 (23. h6 $16 Qf8 24. Rh4) 23... axb3 24. axb3 Ra8 ({Better is} 24... f5 $14) 25. Bf3 (25. Rdd1 $142) 25... f5 $16 26. Rd2 ({White should play} 26. b4 $16) 26... Ra1 (26... g5 $11) 27. Rde2 {White leaves nothing to chance now.} Rxe1+ 28. Rxe1 Qf6 29. Qb6 {Threatens to win with Qd8+.} Qc3 30. Re3 Qa1+ 31. Kh2 {[#] Hoping for Qd8+.} f4 32. Re2 {Strongly threatening Qd8+.} Kg7 $2 (32... Bf5) 33. Qxb7 Bf5 (33... e6 {was called for.} 34. Qb4 (34. hxg6 hxg6 35. Qb4 Kg8 $18) 34... Qf6 35. dxe6 Bxe6 36. Qxd6 Bc8) 34. Rxe7 $18 Rxe7 35. Qxe7+ {[%mdl 64] [#] Double Attack} Kh6 36. Qf8+ Kg5 37. Qxd6 Qd4 38. Qe7+ {[%mdl 64] Double Attack} Kh6 39. d6 Qxf2 40. hxg6 hxg6 41. Qe5 Qg3+ 42. Kg1 g5 43. c5 ({Stronger than} 43. Qxf5 Qe1+ 44. Kh2 Qg3+ 45. Kh1 Qe1+ 46. Kh2 Qg3+ 47. Kh1 Qe1+ 48. Kh2 $11) 43... g4 44. Qf6+ Bg6 45. Qh8+ Kg5 46. Qe5+ {White mates.} Kh6 47. Bd5 Bd3 48. d7 { Weighted Error Value: White=0.26/Black=0.77} 1-0 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.19"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "0-1"] [ECO "A04"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "RC"] [PlyCount "100"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "60+1"] 1. Nf3 {[%emt 0:00:01]} f5 {[%emt 0:00:01]} 2. d3 {[%emt 0:00:02]} Nc6 { [%emt 0:00:01]} 3. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 4. c4 {[%emt 0:00: 02]} e6 {[%emt 0:00:01]} 5. g3 {[%emt 0:00:01]} Bb4+ {[%emt 0:00:01]} 6. Bd2 { [%emt 0:00:02]} Bxd2+ {[%emt 0:00:00]} 7. Nbxd2 {[%emt 0:00:02]} O-O {[%emt 0: 00:01]} 8. Bg2 {[%emt 0:00:00]} d6 {[%emt 0:00:01]} 9. O-O {[%emt 0:00:12]} e5 {[%emt 0:00:01]} 10. d5 {[%emt 0:00:01]} Nb8 {[%emt 0:00:03]} 11. Ne1 {[%emt 0: 00:04]} Qe7 {[%emt 0:00:02]} 12. Nc2 {[%emt 0:00:02]} a5 {[%emt 0:00:01]} 13. a3 {[%emt 0:00:01]} a4 {[%emt 0:00:01]} 14. Nb4 {[%emt 0:00:01]} Nbd7 {[%emt 0: 00:01]} 15. Nd3 {[%emt 0:00:03]} g5 {[%emt 0:00:04]} 16. e4 {[%emt 0:00:07]} f4 {[%emt 0:00:02]} 17. Rc1 {[%emt 0:00:03]} Nc5 {[%emt 0:00:03]} 18. Nxc5 { [%emt 0:00:02]} dxc5 {[%emt 0:00:00]} 19. Nb1 {[%emt 0:00:01]} g4 {[%emt 0:00: 04]} 20. Re1 {[%emt 0:00:02]} f3 {[%emt 0:00:04]} 21. Bf1 {[%emt 0:00:03]} Bd7 {[%emt 0:00:05]} 22. Nc3 {[%emt 0:00:01]} b6 {[%emt 0:00:01]} 23. Qd2 {[%emt 0: 00:02]} Ne8 {[%emt 0:00:01]} 24. d6 {[%emt 0:00:09]} Qxd6 {[%emt 0:00:07]} 25. Qg5+ {[%emt 0:00:07]} Ng7 {[%emt 0:00:04]} 26. Rcd1 {[%emt 0:00:01]} Qe6 { [%emt 0:00:01]} 27. Nd5 {[%emt 0:00:01]} Ra7 {[%emt 0:00:05]} 28. Ne7+ { [%emt 0:00:05]} Kh8 {[%emt 0:00:01]} 29. Rd5 {[%emt 0:00:02]} h6 {[%emt 0:00: 04]} 30. Qh4 {[%emt 0:00:01]} c6 {[%emt 0:00:03]} 31. Rd2 {[%emt 0:00:02]} Qf6 {[%emt 0:00:03]} 32. Qxf6 {[%emt 0:00:02]} Rxf6 {[%emt 0:00:00]} 33. Red1 { [%emt 0:00:00]} Be8 {[%emt 0:00:07]} 34. Nc8 {[%emt 0:00:01]} Rb7 {[%emt 0:00: 04]} 35. Nd6 {[%emt 0:00:01]} Re7 {[%emt 0:00:02]} 36. Nc8 {[%emt 0:00:01]} Rb7 {[%emt 0:00:02]} 37. Nd6 {[%emt 0:00:01]} Rb8 {[%emt 0:00:01]} 38. Nxe8 { [%emt 0:00:01]} Rxe8 {[%emt 0:00:00]} 39. Rd8 {[%emt 0:00:01]} Rff8 {[%emt 0: 00:04]} 40. R8d7 {[%emt 0:00:01]} Ne6 {[%emt 0:00:02]} 41. Rb7 {[%emt 0:00:01]} Rd8 {[%emt 0:00:02]} 42. Rb1 {[%emt 0:00:02]} Rb8 {[%emt 0:00:02]} 43. Rd7 { [%emt 0:00:01]} Rfd8 {[%emt 0:00:01]} 44. Rbd1 {[%emt 0:00:01]} Rxd7 {[%emt 0: 00:01]} 45. Rxd7 {[%emt 0:00:01]} Rd8 {[%emt 0:00:01]} 46. Rb7 {[%emt 0:00:01]} Rd1 {[%emt 0:00:01]} 47. Rb8+ {[%emt 0:00:01]} Kg7 {[%emt 0:00:01]} 48. Rb7+ { [%emt 0:00:00]} Kf6 {[%emt 0:00:01]} 49. Rxb6 {[%emt 0:00:00]} Nd4 {[%emt 0:00: 00]} 50. Ra6 {[%emt 0:00:01]} Ne2+ {[%emt 0:00:02]} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.20"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "B07"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "46"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,46,5,43,50,34,22,47,27,63,-1,29,25,38,13,56,0,0,0,18,10,12,12,225,189, 192,200,194,152,127,0,0,0,0,0,0,-660,-678,-1131,-1115]} 1. e4 d6 2. Nc3 g6 3. f4 Bg7 4. Nf3 a6 5. g3 b5 6. Bg2 {B07: Pirc Defence: Miscellaneous Systems.} Bb7 7. d3 Nd7 8. O-O {White is slightly better.} e6 {[#]} 9. g4 $146 (9. f5 $1 $14) ({Predecessor:} 9. f5 exf5 10. exf5 Ne7 11. fxg6 hxg6 12. Bg5 Nc5 13. d4 Ne4 14. Nxe4 Bxe4 15. Ne5 Bxg2 16. Nxf7 {1-0 (30) Azote,A (1886)-Cervero,T (1890) San Antonio 2014}) 9... h5 10. g5 Ne7 11. Nh4 O-O 12. f5 ({White should play} 12. Ne2 $1 $14) 12... exf5 $11 13. exf5 Bd4+ 14. Kh1 $1 Bxg2+ 15. Kxg2 Ne5 $2 (15... Bxc3 $11 16. bxc3 Qc8) 16. Ne4 Nd5 {[#]} 17. c3 $1 {[%CAl Rc3d4]} Ne3+ 18. Bxe3 Bxe3 19. d4 (19. Nf3 $16) 19... Ng4 $1 $36 {[%CAl Be5g4,Bg4e3, Be3d1][%mdl 2080] Black fights for an advantage.} 20. fxg6 Bxg5 {Threatens to win with ...Ne3+.} 21. gxf7+ Rxf7 22. Rxf7 $4 {[%mdl 8192]} (22. Qb3 $2 Ne3+ 23. Kh1 Nxf1 $19) (22. Nf5 $11) 22... Ne3+ $19 {[%mdl 64] [#] Double Attack} 23. Kh3 Nxd1 {Weighted Error Value: White=0.66/Black=0.32} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.21"] [White "Harika, Dronavalli"] [Black "Muzychuk, Anna"] [Result "0-1"] [ECO "A87"] [WhiteElo "2515"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "120"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,119,42,19,56,9,41,29,26,33,34,27,23,0,0,0,0,0,0,0,0,0,19,7,116,15,48, 35,37,13,60,61,52,20,63,62,106,27,18,24,47,-29,136,133,125,0,0,0,11,3,1,4,94, 97,99,95,118,105,288,152,151,84,84,84,281,281,278,-426,-411,-742,-922,-919, -830,-985,-957,-5210,-5069,-29970,-29971,-29976,-29977,-29977,-29978,-29978, -29979,-29980,-29979,-29979,-29980,-29985,-29986,-29986,-29987,-29987,-29988, -29988,-29989,-29990,-29991,-29991,-29992,-29993,-29994,-29994,-29995,-29998, -29999,-29999]} 1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. b3 d6 7. Bb2 c6 8. c4 Nbd7 {A87: Dutch Defence: Leningrad System: 5 Nf3.} 9. d5 (9. Ng5 $5 {[%CAl Rg5e6]}) 9... Qc7 {[#]} 10. Ng5 $146 {aiming for Ne6.} ({Predecessor: } 10. Nd4 Ne5 11. Nc3 Bd7 12. Qd2 Rae8 13. Rae1 e6 14. Nxe6 Bxe6 15. dxe6 Rxe6 16. e4 fxe4 17. Nxe4 Nxe4 18. Rxe4 {1-0 (57) Garcia,S-Colon Romero,M Quito/ Guayaquil 1969}) 10... Nc5 {White has an edge.} 11. b4 Nce4 12. Nxe4 fxe4 13. Na3 {[%CAl Bb1a3,Ba3c2,Bc2e3][%mdl 32]} Bf5 14. Rc1 Qd7 15. Qd2 cxd5 16. cxd5 Rac8 17. Nc2 Qa4 18. Ne3 Qb5 (18... Bh6 $11) 19. a3 (19. Nxf5 $16 gxf5 20. Rxc8 Rxc8 21. Bh3) 19... Qd7 20. Rxc8 Rxc8 21. Rc1 Rf8 22. Bd4 a6 23. Rf1 h5 24. Qc2 h4 25. Rc1 (25. Bxf6 $16 Rc8 26. Qb1 Bxf6 27. Bxe4 Bxe4 28. Qxe4 {[%mdl 64] Double Attack}) 25... hxg3 $11 26. hxg3 Qb5 27. Qb3 ({Better is} 27. Bxf6 $14 Bxf6 28. Rf1 (28. Bxe4 Rc8 $14)) 27... Rc8 $2 {[#]} (27... Qxe2 $11 28. Rc2 Qh5 ) 28. Rxc8+ $16 Bxc8 29. Qc4 (29. Bxf6 $16 exf6 30. Bxe4) 29... Qxc4 $11 30. Nxc4 Nxd5 31. Bxe4 Bxd4 32. Bxd5+ {[%mdl 4096] Endgame KBB-KBN} Kg7 (32... Kf8 $1 $11) 33. e3 $16 Bc3 34. Nb6 Bg4 35. Bxb7 a5 $2 (35... Be2 $16) 36. Nd5 ({ White has to play} 36. b5 $18) 36... axb4 37. axb4 Bd2 38. b5 {[#] Black must now prevent b6.} e6 $2 (38... Bf3 $16 {was necessary.}) 39. Nc7 $18 Ba5 40. Bc8 $4 {[%mdl 8192]} Bxc7 $19 41. e4 (41. Kg2 $142 Be2 42. Bxe6) 41... Kf6 42. Kg2 Be2 43. f3 Bxb5 44. g4 Bc6 45. Kg3 d5+ {Black mates.} 46. Kf2 dxe4 47. fxe4 Bxe4 48. Ke3 Bd5 49. Kf2 g5 50. Ke3 Bf4+ 51. Kf2 Ke5 52. Bd7 Kd4 53. Be8 e5 54. Bb5 e4 55. Ke2 Bc4+ 56. Bxc4 Kxc4 57. Kf2 Kd3 58. Ke1 e3 59. Kd1 e2+ 60. Ke1 Bg3# {Weighted Error Value: White=0.79/Black=0.36} 0-1 [Event "FIDE Chesscom Womens Speed 2021"] [Site "Online"] [Date "2021.06.25"] [Round "2.22"] [White "Muzychuk, Anna"] [Black "Harika, Dronavalli"] [Result "0-1"] [ECO "A03"] [WhiteElo "2535"] [BlackElo "2515"] [Annotator "TA"] [PlyCount "110"] [EventDate "2021.05.25"] [EventType "k.o."] [EventCountry "NET"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,110,0,0,-7,-13,-14,-22,-26,-11,-17,-21,-25,0,2,1,0,36,-158,-156,-274, -93,-393,-176,-195,-185,-176,-66,-166,-174,-175,-176,-191,-182,-178,-165,-172, -165,-179,-164,-191,-185,-266,-208,-258,-221,-295,-197,-197,-197,-197,-197, -228,-228,-228,-227,-228,-197,-197,-197,-220,-197,-292,-292,-291,-291,-301, -279,-423,-421,-420,-418,-412,-380,-387,-316,-431,-392,-405,-271,-410,-384, -509,-403,-404,-396,-398,-331,-401,-389,-396,-392,-374,-370,-360,0,-323,-292, -877,-870,-849,-852,-679,-646]} 1. f4 g6 2. Nf3 Bg7 3. g3 d5 4. Bg2 Nh6 5. O-O b6 6. d3 {A03: Bird's Opening with 1...d5.} Bb7 7. e3 {[#]} c5 $146 ({ Predecessor:} 7... Nd7 8. Qe2 f5 9. Nc3 O-O 10. Ng5 c6 11. Ne6 Qe8 12. Nxf8 Qxf8 13. e4 dxe4 14. dxe4 e5 15. fxe5 Nxe5 16. Bxh6 Bxh6 17. exf5 Qc5+ 18. Kh1 Re8 19. Ne4 {1-0 (19) Muzychuk,A (2566)-Cramling,P (2525) Beijing 2013}) 8. Qe2 {The position is equal.} Nc6 9. c3 O-O 10. e4 dxe4 11. dxe4 Qc8 12. Na3 Ba6 13. Nc4 $2 (13. Nb5 $1 $14 {stays ahead.}) 13... Na5 $36 {[%mdl 2048] Keeping White busy.} 14. Nfd2 {[#]} (14. b3 $17) 14... Rd8 $2 (14... Qe6 $1 $19 { [%CAl Ra5c4]} 15. b3 Bxc3) 15. Rd1 $2 {[%mdl 8192]} (15. e5 $17) 15... Rxd2 16. Bxd2 {Threatening b3.} Bxc4 17. Qf3 Qg4 (17... Ba6 $19 18. e5 Rb8) 18. Be3 ({ White should play} 18. Qxg4 $15 Nxg4 19. h3) 18... Be2 $19 {[%mdl 64] [#] Double Attack} 19. Qxg4 Nxg4 20. Rd2 Nxe3 21. Rxe2 Nxg2 22. Kxg2 Rd8 23. e5 Kf8 24. h4 h5 25. b3 (25. b4 $142 cxb4 26. cxb4) 25... e6 26. Kf2 Ke8 27. Ke3 Bf8 28. Rd2 Rxd2 29. Kxd2 Nc6 30. Rd1 Ne7 31. Ke3 Nf5+ 32. Kf3 Be7 33. a4 Bd8 34. Rd2 Ne7 35. b4 (35. Rd1 $142) 35... Nd5 36. bxc5 bxc5 ({Not} 36... Nxc3 37. c6 $17) 37. c4 Nb6 38. a5 (38. Rc2 $142) 38... Nxc4 {[%mdl 64] Double Attack, Discovered Attack} 39. Rc2 Nxa5 40. Rxc5 Bb6 41. Rc8+ Ke7 42. Ra8 Nb7 43. Rb8 Nc5 44. Ra8 (44. g4 {was necessary.} hxg4+ 45. Kxg4) 44... Nb3 45. Rb8 Nd4+ 46. Ke4 Nf5 47. Kf3 Bd4 48. Rb7+ Kf8 49. Rb8+ Kg7 50. Rb7 Bb6 51. Rb8 Bd4 52. Rb7 $1 a5 {aiming for ...a4.} 53. Rb5 $2 (53. Rb8) 53... Bc3 {And now ...Nd4+ would win.Black is clearly winning.} 54. Rc5 Be1 55. Rc1 Bxg3 {Weighted Error Value: White=0.55/Black=0.35} 0-1