[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.29"]
[Round "9"]
[White "Kostygova, Margarita"]
[Black "Khegai, Darya"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1576"]
[BlackElo "1840"]
[PlyCount "149"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 7. Nf3 Bf5 8. Be2 e6 9. Bf4 h6 10. Nbd2 g5 11. Bh2 Bd6 12. Bxd6 Qxd6 13. Qb3 0-0 14. 0-0 Kg7 15. Qd1 Bg6 16. Re1 Ne4 17. Nxe4 dxe4 18. Nd2 f5 19. Bh5 Bxh5 20. Qxh5 Qd5 21. Qe2 e5 22. dxe5 Nxe5 23. f3 Qc5+ 24. Qe3 Qxe3+ 25. Rxe3 Rad8 26. Re2 exf3 27. Nxf3 Nxf3+ 28. gxf3 Rd3 29. Kg2 Rf7 30. Rae1 Kg6 31. Re6+ Kh5 32. R1e2 Rd8 33. Kg3 f4+ 34. Kg2 Rfd7 35. Kf2 Rd6 36. Re7 R8d7 37. R7e4 Rd2 38. Re6 R7d6 39. Rxd6 Rxd6 40. Kg2 Kh4 41. Kh2 h5 42. Rf2 g4 43. hxg4 hxg4 44. Kg2 g3 45. Re2 Kg5 46. Rc2 Kf5 47. Re2 Re6 48. Rd2 Re5 49. Rc2 Ke6 50. Rd2 Rd5 51. Re2+ Kd6 52. Rc2 Re5 53. Rd2+ Kc5 54. Kg1 a5 55. Kg2 b5 56. Rc2 Kc4 57. Rd2 Rd5 58. Re2 Kd3 59. Re4 Rf5 60. a4 bxa4 61. Rxa4 Kc2 62. b4 axb4 63. Rxb4 Kxc3 64. Re4 Kd3 65. Kg1 Rf8 66. Kg2 Rf7 67. Kg1 Ra7 68. Rxf4 Ke3 69. Rf8 Ra2 70. Rf7 Rf2 71. Rf8 Ke2 72. Re8+ Kxf3 73. Rf8+ Ke3 74. Rxf2 gxf2+ 75. Kf1 1/2-1/2

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.28"]
[Round "8"]
[White "Budyonny, Fedor"]
[Black "Kostygova, Margarita"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1171"]
[BlackElo "1576"]
[PlyCount "46"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. dxc5 Bxc5 8. 0-0 0-0 9. Re1 e5 10. Bb1 e4 11. Nd4 Bd6 12. Nf1 Ne5 13. b3 a6 14. a4 Bb8 15. Ba3 Re8 16. Ng3 g6 17. Nde2 h5 18. h3 h4 19. Nf1 Nh5 20. Nh2 Qg5 21. Kh1 Bxh3 22. Rg1 Ng4 23. Nxg4 Bxg4 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.27"]
[Round "7"]
[White "Kostygova, Margarita"]
[Black "Dambaev, Dashi"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1576"]
[BlackElo "1817"]
[PlyCount "188"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. g4 Be6 10. Nxe6 fxe6 11. 0-0-0 Ne5 12. Be2 Qc8 13. g5 Nfd7 14. f4 Nc4 15. Bxc4 Qxc4 16. e5 Rad8 17. exd6 Nb6 18. dxe7 Rxd2 19. exf8Q+ Kxf8 20. Bxd2 Qa6 21. Kb1 Nc4 22. Be1 Qc6 23. Rg1 Nxb2 24. Kxb2 Qb6+ 25. Kc1 Qxg1 26. Nd5 Qxh2 27. Bb4+ Kf7 28. Ne3 Ke8 29. Bd6 Qe2 30. Rd3 Qe1+ 31. Nd1 h5 32. gxh6 Bxh6 33. Rh3 Bg7 34. Re3 Qh1 35. Rxe6+ Kf7 36. Re7+ Kg8 37. Re8+ Kh7 38. Re7 Kh6 39. Re2 Kh5 40. Re7 Qc6 41. Bb8 Bd4 42. Re2 Qf3 43. Rd2 Qa3+ 44. Kb1 Qb4+ 45. Kc1 Kg4 46. Rd3 Kf5 47. c3 Qa3+ 48. Kb1 Bc5 49. Nb2 Be7 50. c4 Qb4 51. Rd5+ Kg4 52. Be5 Qe1+ 53. Kc2 Bh4 54. Nd3 Qe4 55. Rd4 Qe2+ 56. Kb3 a5 57. Nb2 Kf5 58. Rd5 Qe3+ 59. Kc2 Ke6 60. Rxa5 Bg3 61. f5+ gxf5 62. Bxg3 Qxg3 63. Nd3 f4 64. Nc5+ Ke7 65. Nd3 f3 66. Rb5 Qc7 67. Kb2 Kd8 68. Rd5+ Kc8 69. Rf5 Qg7+ 70. Kb3 Qg3 71. Kc3 Kb8 72. a4 Ka7 73. Rf7 Kb8 74. Rf5 Qg7+ 75. Kb3 Qg4 76. Rf8+ Ka7 77. Ne5 Qg7 78. Rxf3 Qxe5 79. Rc3 Qc5 80. Rd3 Ka6 81. Rd5 Qe3+ 82. Kb4 Qc1 83. Kb3 Kb6 84. Rb5+ Kc6 85. Rd5 Qb1+ 86. Kc3 b6 87. Rd2 Qc1+ 88. Rc2 Qa3+ 89. Kd4 Qxa4 90. Kd3 Kc5 91. Rc1 Qb3+ 92. Kd2 Kd4 93. Rc2 Qe3+ 94. Kd1 Kd3 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.26"]
[Round "6"]
[White "Ryumin, Zakhar"]
[Black "Kostygova, Margarita"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1999"]
[BlackElo "1576"]
[PlyCount "123"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 Nbd7 8. 0-0 Ne4 9. Nc3 Nxd2 10. Nxd2 0-0 11. e4 dxc4 12. Nxc4 b5 13. Ne3 Rb8 14. d5 c5 15. Rfd1 Qb6 16. a4 a6 17. axb5 axb5 18. Bf1 c4 19. b3 Bf6 20. Rab1 Qa5 21. Ne2 cxb3 22. Rxb3 b4 23. Nd4 Bxd4 24. Rxd4 Nc5 25. Rb1 b3 26. Qc1 Bd7 27. Nc4 Qa7 28. Qe3 Na4 29. Ne5 Be8 30. dxe6 fxe6 31. Bc4 Nc5 32. Rd2 Qc7 33. Nd3 Nxd3 34. Qxd3 Bf7 35. Bxb3 Kh8 36. Rdd1 Bh5 37. Re1 Rbd8 38. Qe3 Qf7 39. Bd1 Bg6 40. Be2 Qf6 41. Rbd1 Rc8 42. Bf1 Rc2 43. Rd2 Rc3 44. Qd4 Qxd4 45. Rxd4 Rc2 46. f4 e5 47. fxe5 h6 48. e6 Re8 49. Bh3 Bh5 50. Rd5 Bg6 51. Rd6 Kh7 52. Bf5 Re7 53. Rd7 Rc7 54. Rxc7 Rxc7 55. Rd1 Re7 56. Rd7 Re8 57. g4 h5 58. gxh5 Bxf5 59. exf5 Kh6 60. h4 Rf8 61. e7 Re8 62. Rd8 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.25"]
[Round "5"]
[White "Kostygova, Margarita"]
[Black "Kiseleva, Arina"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1576"]
[BlackElo "1923"]
[PlyCount "117"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 g6 7. Nf3 Bf5 8. Be2 Qc7 9. 0-0 e6 10. Be3 h5 11. Ne5 Bd6 12. f4 h4 13. Nd2 Ne4 14. Nxe4 Bxe4 15. Bd3 Bxd3 16. Qxd3 Ne7 17. Rac1 Nf5 18. Bf2 Rc8 19. b3 Kf8 20. c4 Kg7 21. c5 Be7 22. Qe2 b6 23. b4 bxc5 24. bxc5 Rb8 25. Rb1 Rxb1 26. Rxb1 Bf6 27. Qb2 Rc8 28. Qb7 g5 29. fxg5 Bxe5 30. dxe5 d4 31. Qxc7 Rxc7 32. Rc1 Kg6 33. Be1 Kxg5 34. Bd2+ Ne3 35. Rc4 Kf5 36. Rxd4 Nd5 37. Rc4 Kxe5 38. Kf2 f5 39. Kf3 Rc6 40. Be1 Ra6 41. a4 Rc6 42. Bxh4 f4 43. Bg5 a5 44. h4 Rc8 45. h5 Rh8 46. h6 Rh7 47. c6 Kd6 48. c7 Nxc7 49. Bxf4+ e5 50. Bd2 Rf7+ 51. Ke2 Nd5 52. g4 Nb6 53. Rc1 Nxa4 54. g5 Ke6 55. g6 Rf5 56. g7 Kf7 57. Rc8 Nc3+ 58. Bxc3 Rg5 59. h7 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.24"]
[Round "4"]
[White "Kudryashova, Sofiya"]
[Black "Kostygova, Margarita"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1204"]
[BlackElo "1576"]
[PlyCount "72"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. 0-0 Nbd7 8. Qc2 Ne4 9. Nc3 Nxd2 10. Nxd2 0-0 11. e4 dxc4 12. Nxc4 b5 13. Ne3 Rb8 14. Rad1 c5 15. d5 Qb6 16. Rd2 c4 17. Rfd1 Bc5 18. Nf1 Ne5 19. b3 Bb4 20. Re2 Qa5 21. Nb1 Ba6 22. a3 Bxa3 23. Qa2 b4 24. Rc2 Bb5 25. f4 cxb3 26. Qxb3 Ba4 27. Qa2 b3 28. Qxa3 bxc2 29. Nc3 cxd1Q 30. Nxd1 Nc4 31. Qa1 Qc5+ 32. Kh1 Bxd1 33. Qxd1 Qf2 34. Qc1 Rb2 35. Ne3 Nxe3 36. Qc3 Qxg2# 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.23"]
[Round "3"]
[White "Kostygova, Margarita"]
[Black "Dagaev, Dmitry"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1576"]
[BlackElo "2084"]
[PlyCount "88"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Be2 Ne4 8. cxd4 Bb6 9. Nc3 0-0 10. 0-0 Bg4 11. Be3 f6 12. exf6 Nxf6 13. Rc1 Ne7 14. Ne5 Bxe2 15. Nxe2 Nf5 16. Nf4 Re8 17. Qd3 Ne4 18. Ne2 c6 19. Bf4 Rf8 20. Nf3 Nh4 21. Nxh4 Qxh4 22. f3 Nf6 23. Bg3 Qg5 24. Nf4 Rfe8 25. Kh1 Nh5 26. Nxh5 Qxh5 27. Rfe1 Rxe1+ 28. Rxe1 Re8 29. Re3 Rxe3 30. Qxe3 Qg6 31. Be1 h6 32. g3 Qb1 33. a3 Bxd4 34. Qxd4 Qxe1+ 35. Kg2 Qe2+ 36. Kg1 Qxf3 37. Qxa7 Qd1+ 38. Kg2 Qc2+ 39. Kh3 Qxb2 40. Qb8+ Kh7 41. Qf8 Qf6 42. Qb4 Qf5+ 43. Kg2 Qe4+ 44. Qxe4+ dxe4 0-1

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.22"]
[Round "2"]
[White "Garmash, Aliona"]
[Black "Kostygova, Margarita"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2070"]
[BlackElo "1576"]
[PlyCount "77"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd2 dxc4 7. Bxc4 c5 8. a3 Bxc3 9. Bxc3 Ne4 10. Qc2 Nxc3 11. Qxc3 cxd4 12. Nxd4 a6 13. Be2 Qe7 14. 0-0 e5 15. Nb3 Nc6 16. Nc5 Bf5 17. Rac1 Rac8 18. Qb3 Rc7 19. Qa4 Nb8 20. b4 Rfc8 21. Nd3 Rxc1 22. Rxc1 Rxc1+ 23. Nxc1 Qd8 24. Nd3 Nc6 25. Qb3 Bxd3 26. Bxd3 g6 27. h3 Kg7 28. Qc3 Qd6 29. Be4 Kf8 30. Bxc6 bxc6 31. Qc4 a5 32. bxa5 Qxa3 33. a6 e4 34. Qxc6 Qa1+ 35. Kh2 Qe5+ 36. g3 Qb2 37. Kg2 Qa2 38. Qb5 Qc2 39. a7 1-0

[Event "Chigorin Memorial 30th"]
[Site "St Petersburg"]
[Date "2023.10.21"]
[Round "1"]
[White "Kostygova, Margarita"]
[Black "Artamonov, Valery"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1576"]
[BlackElo "2075"]
[PlyCount "100"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 0-0 6. 0-0 Nc6 7. d5 Nb8 8. h3 c6 9. Be3 cxd5 10. exd5 Nbd7 11. Qd2 a6 12. a4 Qc7 13. Rad1 Nb6 14. Rfe1 Bf5 15. Bd4 Rfe8 16. b3 Rac8 17. g4 Bd7 18. a5 Na8 19. Ra1 Nxg4 20. hxg4 Bxd4 21. Qxd4 Qxc3 22. Qf4 Nc7 23. Bc4 Qf6 24. Qg3 Kg7 25. Rad1 h5 26. g5 Qf5 27. Nh2 Nb5 28. Bd3 Qh3 29. Qf4 Rc3 30. Re3 Rxd3 31. Rdxd3 Qf5 32. Qh4 f6 33. f4 Na3 34. gxf6+ exf6 35. Rxe8 Bxe8 36. Qf2 Bf7 37. Qd2 Nb5 38. c4 Nc7 39. Nf1 h4 40. Nh2 Kf8 41. Qe3 Ne8 42. Rd1 Ng7 43. c5 dxc5 44. d6 Be6 45. Rc1 Bd7 46. Rxc5 Qe6 47. Qxe6 Nxe6 48. Rc4 Ke8 49. Nf3 Bb5 50. Re4 Kd7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.24"]
[Round "9"]
[White "Kostygova, Margarita"]
[Black "Bugaev, Anton"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1524"]
[BlackElo "1791"]
[PlyCount "78"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 b5 8. Nxc6 Qxc6 9. Qd2 b4 10. Ne2 Qc4 11. Rg1 Qc6 12. Bg2 d5 13. 0-0-0 Bb7 14. f4 Nf6 15. g5 Nxe4 16. Bxe4 dxe4 17. Qd4 Qc7 18. Ng3 Rc8 19. Kb1 Bd5 20. Rc1 Qc4 21. Qxc4 Rxc4 22. b3 Rc6 23. Rge1 h6 24. Re2 hxg5 25. fxg5 Rh4 26. Bd2 f5 27. gxf6 gxf6 28. c4 bxc3 29. Rxc3 Rxc3 30. Bxc3 f5 31. Be5 Be7 32. Re1 Bg5 33. Ne2 f4 34. Rg1 Bh6 35. Rf1 f3 36. Nc3 e3 37. Bg3 e2 38. Rg1 Rg4 39. Kc2 f2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.23"]
[Round "8"]
[White "Tkachuk, Andrey1111"]
[Black "Kostygova, Margarita"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1828"]
[BlackElo "1524"]
[PlyCount "91"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 dxc4 6. Bxc4 0-0 7. Nc3 c6 8. Bd3 f5 9. Qc2 g6 10. Nf3 Nd7 11. 0-0 Nf6 12. h3 Be6 13. Rab1 a5 14. a3 Nd5 15. Na4 Qe7 16. Rfc1 Kh8 17. Nc5 Bxc5 18. dxc5 a4 19. b3 axb3 20. Qxb3 Rfb8 21. Nd4 Kg8 22. Qb2 Qc7 23. Bc4 Ra7 24. Qa1 Ra5 25. Bxd5 Bxd5 26. Rc3 Qe7 27. Qb2 Rxc5 28. Qb4 Qg5 29. f3 Rxc3 30. Qxc3 Rd8 31. Kf2 Qh4+ 32. Kg1 Qe7 33. Kf2 Ra8 34. Nc2 Qc7 35. Nb4 Be6 36. Nd3 Qa5 37. Qc2 Qa4 38. Qxa4 Rxa4 39. Nc5 Rxa3 40. Nxe6 fxe6 41. Rxb7 Ra2+ 42. Kg3 e5 43. Re7 c5 44. Rxe5 c4 45. Rc5 Rc2 46. e4 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.22"]
[Round "7"]
[White "Kostygova, Margarita"]
[Black "Vlasova, Olesia"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1524"]
[BlackElo "1827"]
[PlyCount "70"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qd7 9. Nxe4 Be7 10. Bg5 0-0 11. Bxe7 Qxe7 12. Nxd4 Nxd4 13. Qxd4 b6 14. Ng3 Be6 15. Nh5 Qg5 16. Re5 Qg6 17. Qe3 h6 18. Re1 Rad8 19. Qc3 c5 20. Nf4 Qf6 21. Nxe6 fxe6 22. Qe3 Rfe8 23. f4 Rf8 24. g3 Rd5 25. Rxd5 exd5 26. Qe6+ Qxe6 27. Rxe6 Rf7 28. Rd6 d4 29. Kf2 Re7 30. Rd5 Kf7 31. h4 Rc7 32. Kf3 Re7 33. Kf2 Rc7 34. Kf3 Re7 35. Kf2 Rc7 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "5"]
[White "Kostygova, Margarita"]
[Black "Shinkorenko, Ivan Al"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1524"]
[BlackElo "1799"]
[PlyCount "81"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. 0-0-0 Rc8 11. Kb1 b5 12. Bd3 Be7 13. h3 Nb6 14. Bxb6 Qxb6 15. Nd5 Nxd5 16. exd5 Bd7 17. f4 Bf6 18. Rde1 Kf8 19. Rhf1 Rh6 20. fxe5 Bxe5 21. Qe2 a5 22. Qf3 Be8 23. g4 a4 24. Nc1 a3 25. g5 axb2 26. gxh6 bxc1Q+ 27. Kxc1 gxh6 28. Qxh5 Qd4 29. Qxh6+ Bg7 30. Qxd6+ Kg8 31. Kd1 b4 32. Rf4 Qa1+ 33. Ke2 Qb2 34. Kf1 Ba4 35. Qe7 Rf8 36. Qe4 Rd8 37. Qf5 f6 38. Qe6+ Kf8 39. Qe7+ Kg8 40. Qxd8+ Bf8 41. Rg4+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.21"]
[Round "6"]
[White "Sakovich, Luka"]
[Black "Kostygova, Margarita"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1861"]
[BlackElo "1524"]
[PlyCount "97"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Be3 Qc7 12. Qe2 Bd6 13. h3 0-0 14. Rad1 e5 15. Nf3 b5 16. Bb3 Bb7 17. Bg5 Kh8 18. Bxf6 gxf6 19. Bd5 Rad8 20. Nh4 Bc8 21. Be4 Rg8 22. Qh5 Rg7 23. Rd3 Rdg8 24. Rg3 Be6 25. Nf5 Rg5 26. Ne7 R8g7 27. Rxg5 fxg5 28. Nf5 Bxf5 29. Bxf5 Qc5 30. Qf3 Rg8 31. Rd1 Qc7 32. Rd5 h6 33. c3 Kg7 34. Bc2 Re8 35. Bf5 Rd8 36. Qd3 Be7 37. Rxd8 Qxd8 38. Qxd8 Bxd8 39. Bc8 a5 40. b4 axb4 41. cxb4 Be7 42. a3 Kf6 43. f3 Bd8 44. Bd7 Bb6+ 45. Kf1 Bd4 46. Bxb5 Bb2 47. a4 Bc3 48. a5 Bxb4 49. a6 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.20"]
[Round "4"]
[White "Konoplev, Kirill"]
[Black "Kostygova, Margarita"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1250"]
[BlackElo "1524"]
[PlyCount "100"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 a6 10. 0-0-0 Nxd4 11. Bxd4 Qc7 12. Kb1 b5 13. h4 Rb8 14. h5 Nb6 15. h6 g6 16. g4 b4 17. Ne2 Nc4 18. Qe1 a5 19. Bxc5 Qxc5 20. Nd4 a4 21. Bxc4 dxc4 22. f5 c3 23. fxe6 fxe6 24. Qh4 0-0 25. Rhf1 Bd7 26. Qg5 b3 27. Rxf8+ Rxf8 28. cxb3 axb3 29. axb3 cxb2 30. Kxb2 Rf2+ 31. Kb1 Bc6 32. Qd8+ Rf8 33. Qh4 Be4+ 34. Kb2 Qxe5 35. Qe1 Rc8 36. Qb4 Qf6 37. Qd6 Rd8 38. Qb6 Bd5 39. g5 Qxg5 40. Qc7 Qf6 41. Kc3 Qf8 42. Qe5 Rc8+ 43. Kb2 Qf2+ 44. Kb1 Qf7 45. Re1 Re8 46. Rc1 Qf8 47. Qg5 Be4+ 48. Nc2 Ra8 49. Qe5 Bf5 50. Qe3 Qf6 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "2"]
[White "Balandina, Alisa"]
[Black "Kostygova, Margarita"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1803"]
[BlackElo "1524"]
[PlyCount "63"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. Be2 Nge7 9. Na3 Nf5 10. Nc2 Nb4 11. Ne3 Nxe3 12. Bxe3 Rc8 13. 0-0 Nc2 14. Rb1 Nxe3 15. fxe3 Be7 16. a4 Qa5 17. b3 0-0 18. Bd3 Rc3 19. Qe2 b5 20. Nd2 Bb4 21. Nf3 Be7 22. h4 f5 23. exf6 gxf6 24. Ne5 fxe5 25. Qg4+ Kh8 26. Rxf8+ Bxf8 27. Rf1 Qd8 28. Bxh7 Bh6 29. Qh5 Bxe3+ 30. Kh1 Qe7 31. Bg6+ Kg8 32. Bf7+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.19"]
[Round "3"]
[White "Kostygova, Margarita"]
[Black "Sevastsyanchuk, Anastasiya"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1524"]
[BlackElo "1101"]
[PlyCount "112"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bc5 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 Bb4 11. Qd3 h6 12. Bh4 d6 13. Ne3 Be6 14. Bxf6 Qxf6 15. a3 Bxc3+ 16. bxc3 Ke7 17. Rb1 Rab8 18. Be2 h5 19. 0-0 h4 20. Rfd1 Rhd8 21. Qb5 h3 22. Nd5+ Bxd5 23. exd5 Qg6 24. g3 Qe4 25. Bf1 Qxc2 26. dxc6 bxc6 27. Qd3 Qxd3 28. Bxd3 g6 29. g4 d5 30. f3 Rb6 31. Rb4 c5 32. Rxb6 axb6 33. Bf1 d4 34. c4 f5 35. Bd3 Kf6 36. Kf2 Kg5 37. Kg3 Ra8 38. Ra1 Re8 39. Re1 Kf6 40. Kxh3 Ra8 41. Ra1 Re8 42. Rb1 e4 43. fxe4 fxe4 44. Re1 exd3 45. Rxe8 d2 46. Rf8+ Ke5 47. Rf1 Ke4 48. Kg3 Ke3 49. h4 Ke2 50. Rf2+ Ke1 51. Rxd2 Kxd2 52. h5 gxh5 53. gxh5 Kc2 54. h6 d3 55. h7 d2 56. h8Q d1Q 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2023.08.18"]
[Round "1"]
[White "Kostygova, Margarita"]
[Black "Preobrazhenskaya, Diana"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1524"]
[BlackElo "2056"]
[PlyCount "120"]
[EventDate "2023.08.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. 0-0-0 Be7 11. Kb1 Rc8 12. Bd3 b5 13. h3 h4 14. f4 Bc4 15. Rhe1 Qc7 16. Qf2 Rb8 17. fxe5 dxe5 18. Rf1 a5 19. Nd5 Bxd5 20. exd5 a4 21. Nd2 Rf8 22. Qf3 a3 23. Nb3 axb2 24. Bf5 Qd6 25. Bf2 g6 26. Bxd7+ Nxd7 27. Qc3 Ra8 28. Qxb2 f5 29. Rfe1 Kf7 30. Re2 Ra4 31. c3 Rfa8 32. Qc1 Bf6 33. Rc2 Ra3 34. Qd2 Kg7 35. Qe2 Qa6 36. Rb2 Rc8 37. Qd2 Qd6 38. Bg1 Rc4 39. Rc2 Rca4 40. Qe2 Rc4 41. Qd2 Be7 42. Qe2 Nf6 43. Qd2 Ne4 44. Qd3 Qc7 45. Rdc1 Bg5 46. Be3 f4 47. Bd2 Bf6 48. Be1 Nd6 49. Qd2 g5 50. Bf2 Ra8 51. Qe2 Ne4 52. Be1 Rc8 53. Qd3 Nd6 54. Nd2 e4 55. Qe2 Ra4 56. Nb3 Nc4 57. Ka1 Ne3 58. Rb2 b4 59. Qb5 Qa7 60. d6 Ra8 0-1

