[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.29"]
[Round "9"]
[White "Bugaev, AI."]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1939"]
[BlackElo "1757"]
[PlyCount "41"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. h3 0-0 6. Bg5 h6 7. Bh4 Be7 8. 0-0 d6 9. Nc3 Na5 10. Bb3 Nxb3 11. axb3 c6 12. Re1 g5 13. Bg3 Nh5 14. d4 g4 15. hxg4 Bxg4 16. Qd3 Nxg3 17. Nh2 Nxe4 18. Nxg4 Bg5 19. Nxe4 f5 20. Nxg5 Qxg5 21. Nh2 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.28"]
[Round "8"]
[White "Kostojakov, Petr"]
[Black "Butanaev, VV."]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "1757"]
[BlackElo "1908"]
[PlyCount "64"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. b3 d6 4. Bb2 Nbd7 5. Nf3 b6 6. g3 Bb7 7. Bg2 Be7 8. 0-0 0-0 9. d4 Re8 10. Qc2 d5 11. Nd2 c6 12. Rad1 Rc8 13. e4 Nf8 14. e5 N6d7 15. f4 c5 16. cxd5 exd5 17. Nf3 Ne6 18. Qd2 cxd4 19. Nb5 Ba6 20. a4 Ndc5 21. Qb4 Nd3 22. Qd2 Nxb2 23. Qxb2 Bxb5 24. axb5 Qd7 25. Bh3 Qxb5 26. Bxe6 fxe6 27. Nxd4 Bc5 28. Kg2 Bxd4 29. Rxd4 Rc6 30. Qf2 Rf8 31. Qe3 Rc2+ 32. Kh3 Qxf1+ 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.27"]
[Round "7"]
[White "Michina, Darya"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "A13"]
[BlackElo "1757"]
[PlyCount "81"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 d5 5. cxd5 Bxd5 6. Nc3 Bb7 7. 0-0 Nf6 8. d4 h6 9. e3 Be7 10. Bd2 0-0 11. Rc1 Nbd7 12. a3 c5 13. dxc5 Nxc5 14. Nd4 Nfe4 15. Nxe4 Bxe4 16. Nc6 Bxc6 17. Bxc6 Rc8 18. Bg2 Qd3 19. Bc3 Rfd8 20. Qg4 Qg6 21. Qxg6 fxg6 22. Rcd1 Bf6 23. Bxf6 gxf6 24. b4 Nd7 25. Bb7 Rc7 26. Ba6 Kf7 27. Rd4 Ke7 28. Rfd1 e5 29. Rd5 h5 30. Bb5 a5 31. bxa5 bxa5 32. Ba4 Nc5 33. Rxd8 Nxa4 34. Ra8 Rc5 35. Ra7+ Ke6 36. Ra6+ Ke7 37. Rdd6 Rc3 38. Rxf6 Rxa3 39. Rxg6 Nc5 40. Ra7+ Kf8 41. Rc6 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.26"]
[Round "6"]
[White "Kostojakov, Petr"]
[Black "Galenpolsky, Mikhail"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1757"]
[BlackElo "1731"]
[PlyCount "61"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Be2 c5 4. c3 Nc6 5. Nf3 Bd6 6. Nbd2 Nf6 7. 0-0 0-0 8. Re1 Re8 9. Qc2 Qb6 10. Bf1 e5 11. a3 d4 12. Nc4 Qc7 13. Nxd6 Qxd6 14. c4 a6 15. Bd2 Nh5 16. g3 f5 17. exf5 Bxf5 18. Nh4 Bg4 19. Be2 Qd7 20. Qd1 Bxe2 21. Qxe2 Nf6 22. Bg5 Rf8 23. f4 exf4 24. Bxf4 Rae8 25. Qd2 Nh5 26. Rxe8 Rxe8 27. Ng2 h6 28. Qd1 Nxf4 29. Nxf4 Qf5 30. Qf1 Re3 31. Re1 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.25"]
[Round "5"]
[White "Kostyleva, Alexandra"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1875"]
[BlackElo "1757"]
[PlyCount "79"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nf3 c5 2. d4 cxd4 3. Nxd4 Nc6 4. Nxc6 dxc6 5. Qxd8+ Kxd8 6. e4 e5 7. Be3 Bb4+ 8. Nd2 Be6 9. 0-0-0 f6 10. a3 Bxd2+ 11. Rxd2+ Kc7 12. Be2 Nh6 13. f3 Nf7 14. Rhd1 b6 15. g3 Rad8 16. Rxd8 Rxd8 17. Rxd8 Kxd8 18. Kd2 Nd6 19. b3 Kc7 20. c4 c5 21. Bd3 g5 22. f4 Nf7 23. Be2 h6 24. Bh5 Nd6 25. Kd3 Bf7 26. Bf3 Bg6 27. fxe5 fxe5 28. h4 Nf7 29. b4 cxb4 30. axb4 Kc6 31. Bg4 gxh4 32. gxh4 h5 33. Be6 Nd6 34. Bd5+ Kc7 35. Bg5 a5 36. bxa5 bxa5 37. Bf6 a4 38. Bxe5 a3 39. c5 Kd7 40. Bxd6 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.24"]
[Round "4"]
[White "Kostojakov, Petr"]
[Black "Kudinov, Maxim"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1757"]
[PlyCount "27"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. b3 Bg7 4. Bb2 d6 5. g3 Nf6 6. Bg2 0-0 7. e3 Nc6 8. Nge2 Bd7 9. 0-0 Rb8 10. d4 exd4 11. Nxd4 Nxd4 12. Qxd4 a6 13. Nd5 Nxd5 14. Qxg7# 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.23"]
[Round "3"]
[White "Komov, Roman"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "A56"]
[BlackElo "1757"]
[PlyCount "77"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. Nf3 Nf6 4. c4 h6 5. Nc3 g5 6. e4 Nfd7 7. Bd3 Bg7 8. Qe2 Ne5 9. Nxe5 Bxe5 10. Bd2 Qd7 11. h3 Na6 12. a3 Nc7 13. g3 g4 14. hxg4 Qxg4 15. Qxg4 Bxg4 16. Rxh6 0-0-0 17. Be2 Bxe2 18. Kxe2 Rxh6 19. Bxh6 Rh8 20. Bd2 Rh2 21. Kf3 Ne8 22. Rb1 Bd4 23. Nd1 b6 24. Ne3 Nf6 25. Bc3 Bxe3 26. fxe3 Nd7 27. Rf1 f6 28. Rf2 Rh1 29. Kf4 Kd8 30. g4 Ke8 31. g5 Rh4+ 32. Kf5 fxg5 33. Rg2 Nf6 34. Rxg5 Nxe4 35. Be1 Nxg5 36. Bxh4 Nf3 37. Bg5 Nd2 38. Ke6 Nxc4 39. Bxe7 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.22"]
[Round "2"]
[White "Kostojakov, Petr"]
[Black "Chernyh, Pavel"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "1757"]
[BlackElo "1925"]
[PlyCount "26"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nc6 6. e4 g6 7. f3 Bg7 8. Nxc6 bxc6 9. Rb1 0-0 10. Bd2 e6 11. Qc1 d5 12. e5 Ne8 13. Bh6 Qh4+ 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2012.07.21"]
[Round "1"]
[White "Malezkey, Vladimir"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2128"]
[BlackElo "1757"]
[PlyCount "73"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 c6 2. e4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Be7 7. Nf4 Nd7 8. Be3 Qb6 9. Na4 Qa5+ 10. c3 b5 11. Nxg6 hxg6 12. Nc5 Bxc5 13. dxc5 Nxe5 14. Bd4 f6 15. Qe2 Kd7 16. Bxe5 fxe5 17. Qxe5 Qc7 18. Qxg7+ Ne7 19. h3 Qf4 20. Qd4 g5 21. a4 Qxd4 22. cxd4 b4 23. Bd3 a5 24. Ke2 Raf8 25. Raf1 Rf4 26. Ke3 Rhf8 27. f3 Rh8 28. h4 e5 29. hxg5 Rxh1 30. Rxh1 Rxd4 31. Bf5+ Ke8 32. g6 Kf8 33. Rh8+ Kg7 34. Rh7+ Kf8 35. Rf7+ Ke8 36. Bd7+ Kd8 37. g7 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.24"]
[Round "9"]
[White "Davletova, Aigul"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1976"]
[BlackElo "1766"]
[PlyCount "71"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. e3 b6 4. Bc4 Bb7 5. Nc3 e6 6. Bd2 Nc6 7. a3 Ne7 8. Qe2 a6 9. 0-0 h6 10. Ne5 b5 11. Bb3 g5 12. Nd3 Ng6 13. d5 e5 14. f4 gxf4 15. exf4 e4 16. Ne5 Rg8 17. Be3 d6 18. Nc6 Qd7 19. Bd4 Nh4 20. g3 Qg7 21. Bxf6 Qxf6 22. Rae1 Kd7 23. Nxe4 fxe4 24. Qxe4 Ng6 25. Na5 Bg7 26. Qe6+ Qxe6 27. dxe6+ Ke7 28. Nxb7 Bxb2 29. a4 Bc3 30. Rd1 Rab8 31. Rd3 Rxb7 32. Rxc3 bxa4 33. Bxa4 c5 34. Bb3 Rb4 35. f5 Ne5 36. f6+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.22"]
[Round "7"]
[White "Shablov, Mikhail"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B12"]
[BlackElo "1766"]
[PlyCount "58"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Nc3 c5 8. 0-0 cxd4 9. Nxd4 Nc6 10. Nxc6 bxc6 11. f4 Bc5+ 12. Kh1 Ne7 13. Bd2 Qc7 14. Rf3 h5 15. Rh3 Kd7 16. Ne4 Qb6 17. c3 Nf5 18. b4 Be7 19. c4 Qd4 20. Qxd4 Nxd4 21. cxd5 cxd5 22. Nc5+ Bxc5 23. bxc5 Kc6 24. Rg3 g6 25. Rd3 Nf5 26. Rb1 Rab8 27. Rbb3 Rxb3 28. Rxb3 d4 29. Rb4 Rc8 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.21"]
[Round "6"]
[White "Kostojakov, Petr"]
[Black "Kosheparova, Tatiana"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1766"]
[PlyCount "18"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Qc7 5. Bb2 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Qg4 0-0-0 9. Bxg7 f5 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.20"]
[Round "5"]
[White "Lashkov, Andrey"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1815"]
[BlackElo "1766"]
[PlyCount "119"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Qc2 c6 6. e3 Qc7 7. Bd3 h6 8. 0-0 dxc4 9. Bxc4 Nb6 10. Bb3 Nbd5 11. e4 Nb4 12. Qe2 Nd3 13. Qxd3 Be7 14. h3 Nh7 15. Be3 Ng5 16. Nh2 Bd7 17. f4 Nh7 18. Rac1 Qb6 19. Qd2 0-0-0 20. a3 g5 21. f5 e5 22. Nd5 Qxb3 23. Nxe7+ Kb8 24. Rc3 Qb5 25. d5 Nf6 26. dxc6 Nxe4 27. c7+ Ka8 28. cxd8Q+ Rxd8 29. Qc2 Nxc3 30. Qxc3 Re8 31. f6 Rd8 32. Nf3 Kb8 33. Rc1 Bc6 34. Nxc6+ bxc6 35. Nxe5 Kb7 36. Nxc6 Rd3 37. Na5+ Ka6 38. Qc8+ Kxa5 39. Rc5 Rxe3 40. Rxb5+ Kxb5 41. Qb7+ Kc4 42. Qxf7+ Kd4 43. Qxa7+ Ke4 44. Qxe3+ Kxe3 45. f7 g4 46. f8Q gxh3 47. Qf3+ Kd4 48. gxh3 Ke5 49. Qg4 h5 50. Qxh5+ Kd4 51. Qf5 Kc4 52. Qe5 Kb3 53. Kf2 Ka2 54. Qc3 Kb1 55. Ke2 Ka1 56. Kd2 Kb1 57. h4 Ka1 58. Kc2 Ka2 59. h5 Ka1 60. b4+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.19"]
[Round "4"]
[White "Bondarev, Yuriy"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1766"]
[PlyCount "50"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. Bd3 h6 7. 0-0 Bg5 8. d5 Nce7 9. Bxg5 hxg5 10. Nxg5 Nxd5 11. Nxf7 Nxc3 12. Qf3 Qf6 13. Qxf6 Nxf6 14. Nxh8 Ncxe4 15. Ng6 Nc5 16. Be2 Be4 17. Ne5 Bxc2 18. b4 Nb3 19. Ra2 Nd4 20. Bd3 Bb3 21. Rd2 Nf5 22. Bxf5 exf5 23. Re1 Be6 24. Nxd7 Nxd7 25. Rxe6+ Kf7 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.18"]
[Round "3"]
[White "Kostojakov, Petr"]
[Black "Martynov, Sergey G"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1766"]
[BlackElo "2042"]
[PlyCount "112"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. b3 Qf6 3. Nc3 d6 4. Bb2 Qd8 5. f4 Nc6 6. Nf3 Bd7 7. d4 a6 8. g3 f6 9. Bh3 Qe7 10. d5 exd5 11. Bxd7+ Kxd7 12. Qxd5 Re8 13. 0-0-0 Kc8 14. Nd4 Nxd4 15. Rxd4 Qe6 16. Qa5 Ne7 17. Qa4 Nc6 18. f5 Qd7 19. Rd5 Ne7 20. Rb5 Qc6 21. Ra5 Qxa4 22. Rxa4 Nc6 23. Re1 Be7 24. Nd5 Bd8 25. Nf4 Rhg8 26. Ne6 Be7 27. Rc4 Bd8 28. a4 Na5 29. Rc3 Nc6 30. Rd1 Kb8 31. Ba3 Be7 32. b4 Rc8 33. b5 axb5 34. axb5 Nd8 35. Nxd8 Rcxd8 36. b6 c5 37. g4 Rc8 38. Bb2 Rc6 39. Rb3 Re8 40. g5 Bd8 41. gxf6 gxf6 42. Rbd3 Rxb6 43. Rxd6 Rxd6 44. Rxd6 Kc7 45. Rd5 Kc6 46. Rxd8 Rxd8 47. Bxf6 Re8 48. e5 Kd5 49. e6 Ke4 50. Bd8 Kxf5 51. e7 Ke6 52. Kb2 Rxe7 53. Bxe7 Kxe7 54. c4 Kd6 55. Kc2 Ke5 56. Kb3 Kd4 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.17"]
[Round "2"]
[White "Guk, Evgeniy"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2070"]
[BlackElo "1766"]
[PlyCount "81"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 Nf6 3. Nbd2 d5 4. e3 Bf5 5. c3 a6 6. Be2 h6 7. 0-0 Qd6 8. a4 e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Nf3 Qe4 12. Qd4 Bd6 13. Qxe4+ dxe4 14. Nd4 Bg4 15. f3 c5 16. fxg4 cxd4 17. exd4 h5 18. g5 Nh7 19. Bc4 f6 20. Bd5 Nxg5 21. Bxg5 fxg5 22. Bxe4 Rf8 23. Bg6+ Ke7 24. Rae1+ Kd7 25. Bxh5 Rxf1+ 26. Rxf1 Rg8 27. Re1 Rh8 28. Bg4+ Kd8 29. g3 Re8 30. Rxe8+ Kxe8 31. Bc8 b5 32. Bxa6 bxa4 33. Bb5+ Ke7 34. Bxa4 Ke6 35. Kf2 Kf5 36. Kf3 Be7 37. g4+ Ke6 38. Ke4 Bf6 39. b4 Kd6 40. c4 Kc7 41. c5 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2011.07.16"]
[Round "1"]
[White "Kostojakov, Petr"]
[Black "Sozin, Stepan"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1766"]
[BlackElo "2054"]
[PlyCount "104"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. 0-0 0-0 9. Rb1 Nec6 10. a3 d6 11. Na2 e5 12. c3 Ne6 13. Qd2 f5 14. f4 Rb8 15. b4 Bd7 16. exf5 gxf5 17. fxe5 Nxe5 18. bxc5 dxc5 19. Rxb7 Rxb7 20. Bxb7 Qb6 21. Bd5 Kh8 22. Bh6 Bxh6 23. Qxh6 Ng4 24. Qd2 Qd6 25. c4 Nd4 26. Nxd4 cxd4 27. Qf4 Qe5 28. Qxe5+ Nxe5 29. Be4 Kg7 30. Bd5 Nxd3 31. Rd1 Ne5 32. Rxd4 Be6 33. Nb4 Rd8 34. Rf4 Bxd5 35. cxd5 a5 36. Rxf5 axb4 37. Rxe5 bxa3 38. Re7+ Kg6 39. Ra7 Rxd5 40. Rxa3 Rd1+ 41. Kg2 Rd2+ 42. Kh3 Rd6 43. Ra8 h6 44. Kh4 Rc6 45. h3 Rb6 46. Ra4 Rc6 47. Kg4 Rf6 48. Ra8 Rb6 49. h4 h5+ 50. Kh3 Rb2 51. Ra6+ Kg7 52. Ra5 Kg6 1/2-1/2

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.28"]
[Round "9"]
[White "Kostojakov, Petr"]
[Black "Katanov, Andrey"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1786"]
[BlackElo "1990"]
[PlyCount "76"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. c3 Be7 6. h3 b6 7. dxc5 bxc5 8. Bd6 Qb6 9. b3 0-0 10. Na3 Qa5 11. Nb1 Bxd6 12. Qxd6 Ne4 13. Qd3 d5 14. Qb5 Qc7 15. Nfd2 a6 16. Qa4 Nd6 17. Bd3 Ne5 18. Bc2 c4 19. Qa3 Bb7 20. 0-0 Qc6 21. f3 f5 22. Qa5 Nd7 23. Na3 Rac8 24. bxc4 dxc4 25. Ba4 Qb6 26. Qxb6 Nxb6 27. Bc2 Nd5 28. Nab1 Nxe3 29. Rc1 Rf6 30. Kf2 Nd5 31. a4 Nf4 32. a5 Rg6 33. Rg1 Rc5 34. Ra4 Re5 35. Kf1 Bd5 36. Rb4 Ne2 37. Rb6 Ng3+ 38. Kf2 Re2# 0-1

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.27"]
[Round "8"]
[White "Kulazhenkov, Slava"]
[Black "Kostojakov, Petr"]
[Result "0-1"]
[ECO "A40"]
[BlackElo "1786"]
[PlyCount "70"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nf3 e6 4. e3 c5 5. Nc3 cxd4 6. Nxd4 Nc6 7. Ndb5 Nf6 8. Nd6+ Bxd6 9. Qxd6 Qb8 10. Nb5 Kd8 11. Qxb8+ Rxb8 12. Nd6 Ke7 13. Nxb7 Rxb7 14. b3 Nb4 15. Ba3 a5 16. Be2 Rd8 17. Bf3 Rc7 18. Ke2 d5 19. Rac1 d4 20. exd4 Rxd4 21. Rhd1 Rdd7 22. Rxd7+ Nxd7 23. Rd1 Ne5 24. Be4 f5 25. Bb1 Nec6 26. Bb2 g6 27. a3 Na6 28. f4 Rd7 29. Rxd7+ Kxd7 30. Bc3 Kd6 31. Ke3 e5 32. fxe5+ Nxe5 33. Bd4 Nc5 34. Bc2 Ng4+ 35. Kf4 Ne6+ 0-1

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.26"]
[Round "7"]
[White "Kostojakov, Petr"]
[Black "Chebodaev, Sergey"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1786"]
[PlyCount "79"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 e5 3. Bc4 Qf6 4. Nc3 c6 5. a4 Bg4 6. Be2 Ne7 7. d3 h6 8. b4 Be6 9. d4 exd4 10. Nxd4 a6 11. Nxe6 fxe6 12. Bb2 e5 13. 0-0 g5 14. Bh5+ Ng6 15. Qg4 Nd7 16. b5 Ke7 17. Ba3 Qf4 18. Rfd1 Qxg4 19. Bxg4 Nf6 20. Bxd6+ Kf7 21. Bf5 Rd8 22. Bxg6+ Kxg6 23. Bxe5 Bg7 24. f3 Rhe8 25. Rxd8 Rxd8 26. bxc6 bxc6 27. Bxf6 Bxf6 28. Rd1 Rd4 29. Rxd4 Bxd4+ 30. Kf1 Bxc3 31. Ke2 Kf6 32. Kd3 Be5 33. h3 Ke6 34. Kc4 Bd6 35. Kd4 Bh2 36. Kc5 Kd7 37. Kb6 Bg1+ 38. Kxa6 Kd6 39. Kb7 c5 40. c4 1-0

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.24"]
[Round "5"]
[White "Gavrilenko, Vladimir"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1786"]
[PlyCount "53"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 b5 5. Bb3 a5 6. a3 a4 7. Ba2 Bg4 8. f3 Bf5 9. Nc3 Qd7 10. Nge2 Na6 11. Nd4 b4 12. axb4 Nxb4 13. Nxf5 Qxf5 14. Bb3 Nfxd5 15. Rxa4 Rxa4 16. Bxa4+ Kd8 17. 0-0 e6 18. d4 Nf4 19. Ne4 Bd6 20. c3 Qg6 21. Bxf4 Bxf4 22. cxb4 h5 23. Qc2 h4 24. Qc6 Be3+ 25. Kh1 Qxg2+ 26. Kxg2 h3+ 27. Kh1 1-0

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.23"]
[Round "4"]
[White "Domozhakov, Ivan"]
[Black "Kostojakov, Petr"]
[Result "1/2-1/2"]
[ECO "D44"]
[BlackElo "1786"]
[PlyCount "54"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 e6 6. e4 Bb4 7. Bg5 c5 8. Bxc4 cxd4 9. Bb5+ Nc6 10. Nxd4 Bd7 11. 0-0 h6 12. Bh4 Nxd4 13. Qxd4 Bxb5 14. Qxb4 Bxf1 15. Rxf1 a5 16. Qa3 g5 17. Bg3 Qd4 18. Nb5 Qb4 19. Nd6+ Ke7 20. Qf3 Rhf8 21. Rd1 Rad8 22. h4 Rd7 23. e5 Ne4 24. Nxe4 Rxd1+ 25. Qxd1 Qxe4 26. Qd6+ Ke8 27. Qb8+ Ke7 1/2-1/2

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.22"]
[Round "3"]
[White "Kostojakov, Petr"]
[Black "Kokov, Georgy"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1786"]
[BlackElo "2017"]
[PlyCount "42"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Bg4 5. Be2 Bxf3 6. Bxf3 Nxd4 7. 0-0 Nf6 8. Be3 Nxf3+ 9. Qxf3 Be7 10. Rad1 0-0 11. Rd3 Qd7 12. Rfd1 c6 13. Bc5 d5 14. Bxe7 Qxe7 15. exd5 e4 16. Qe3 Qb4 17. Rd4 Qb6 18. dxc6 bxc6 19. Nxe4 Nxe4 20. Qxe4 Rfe8 21. Qf3 Qxd4 0-1

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.21"]
[Round "2"]
[White "Kostojakov, Ivan"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2012"]
[BlackElo "1786"]
[PlyCount "81"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 c5 4. c3 Nc6 5. e3 Qb6 6. Qb3 Nge7 7. Nbd2 Ng6 8. Bg3 Be7 9. Bd3 c4 10. Qxb6 axb6 11. Bc2 b5 12. 0-0 b4 13. e4 b3 14. axb3 Rxa1 15. Rxa1 b5 16. bxc4 bxc4 17. Ra8 0-0 18. Ba4 Bd7 19. Rxf8+ Bxf8 20. b3 cxb3 21. Bxb3 Na5 22. Ba2 Bc6 23. exd5 exd5 24. Kf1 Bb5+ 25. Ke1 Nc4 26. Nxc4 Bxc4 27. Bxc4 dxc4 28. Nd2 Ba3 29. Nxc4 Bc1 30. Ke2 Bf4 31. Kf3 Bxg3 32. hxg3 f5 33. Nd6 Ne7 34. c4 g6 35. d5 Kg7 36. Kf4 Kf6 37. Ne8+ Kf7 38. Nc7 Kf6 39. Ke3 Ke5 40. Ne8 Nc8 41. f4# 1-0

[Event "Khakassia-ch op"]
[Site "Abakan"]
[Date "2010.02.20"]
[Round "1"]
[White "Kostojakov, Petr"]
[Black "Malyshev, Sergey"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1786"]
[BlackElo "2257"]
[PlyCount "74"]
[EventDate "2010.02.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3 d5 6. c3 Nc6 7. Qe2 Bf5 8. Bf4 e6 9. h3 g5 10. Bg3 Bg7 11. Nf3 Qc7 12. d4 cxd4 13. cxd4 g4 14. hxg4 Bxg4 15. Nbd2 Nxd4 16. Qd3 Nxb3 17. Qb5+ Qc6 18. Qxb3 Qa4 19. 0-0 Qxb3 20. Nxb3 Bxf3 21. gxf3 0-0 22. Nd4 a6 23. b3 Rfc8 24. Rac1 Bf8 25. Bf4 Nd7 26. Bg3 Ba3 27. Rc2 Rxc2 28. Nxc2 Bb2 29. f4 Rc8 30. Ne3 Nc5 31. f5 Nd3 32. f4 Bd4 33. Rf3 Rc3 34. Kh2 Nxe5 35. fxe5 Rxe3 36. Rxe3 Bxe3 37. fxe6 fxe6 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.25"]
[Round "9"]
[White "Kostojakov, Petr"]
[Black "Butanaev, VV."]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1768"]
[BlackElo "1981"]
[PlyCount "73"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. d4 Bb4 5. a3 Bxc3+ 6. bxc3 c5 7. d5 d6 8. Bg5 e5 9. e4 0-0 10. a4 Bg4 11. Be2 Nbd7 12. Nh4 Bxe2 13. Qxe2 h6 14. Bd2 Re8 15. Nf5 Nf8 16. g4 Ng6 17. g5 hxg5 18. Bxg5 Nf4 19. Qf3 g6 20. Nh6+ Kg7 21. Rg1 Qd7 22. Nf5+ gxf5 23. Bxf4+ Ng4 24. Bg5 f6 25. Rxg4 fxg4 26. Qxf6+ Kg8 27. Qh6 Qg7 28. Qh4 Rf8 29. Qxg4 Rf4 30. Qe6+ Rf7 31. Bh6 Qg1+ 32. Kd2 Qxa1 33. Qg6+ Kh8 34. Qxf7 Qg1 35. Qf6+ Kh7 36. Bg5 Qxh2 37. Qf7+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.24"]
[Round "8"]
[White "Izmestiev, Ilija"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2064"]
[BlackElo "1768"]
[PlyCount "53"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. c3 Ba5 6. Qg3 Qf6 7. Nf3 Nd4 8. Nxd4 Qxd4 9. Nd2 Qf6 10. Nc4 Bb6 11. Nxb6 cxb6 12. Bf4 Ne7 13. 0-0-0 Qg6 14. Qf3 0-0 15. Rd6 f6 16. Bc4+ Kh8 17. g4 Nc6 18. g5 Qe8 19. gxf6 Rxf6 20. Rxf6 gxf6 21. Bd6 Qg6 22. h4 Qh6+ 23. Kc2 Ne5 24. Bxe5 fxe5 25. Rg1 d5 26. Qg3 Qf6 27. Qg8# 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.23"]
[Round "7"]
[White "Prilepina, Tatyana"]
[Black "Kostojakov, Petr"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1768"]
[PlyCount "42"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Nxc3 5. dxc3 Qxd1+ 6. Kxd1 Bg4 7. Be2 Nd7 8. Bf4 0-0-0 9. Kc1 e5 10. Bg3 Be7 11. Re1 f6 12. b3 Ba3+ 13. Kb1 a5 14. Nd2 Bxe2 15. Rxe2 b5 16. f3 Nc5 17. Bf2 Rd5 18. Be3 Rhd8 19. Rf2 f5 20. g3 R5d7 21. Re2 g5 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.21"]
[Round "5"]
[White "Kostojakov, Petr"]
[Black "Martynov, Sergey G"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1768"]
[BlackElo "2096"]
[PlyCount "128"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Nc3 d5 3. d4 g6 4. Bf4 c6 5. Qd2 Bg7 6. Bh6 0-0 7. Bxg7 Kxg7 8. e3 Nbd7 9. Bd3 Re8 10. 0-0-0 e5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Bc4 b5 14. Qd4 Re8 15. Be2 Be6 16. Bf3 Qb6 17. b4 Qxd4 18. Rxd4 a5 19. Rhd1 axb4 20. Rxb4 Ra7 21. Kb2 Rea8 22. Ra1 Ra3 23. Nb1 R3a5 24. Nc3 Nd7 25. a4 Ne5 26. Be2 Nc4+ 27. Bxc4 dxc4 28. Ka3 Bd7 29. Kb2 c5 30. Rxb5 Bxb5 31. Nxb5 Rxa4 32. Rxa4 Rxa4 33. Na3 Kf6 34. Nb1 Rb4+ 35. Kc1 Ke5 36. c3 Ra4 37. Kb2 Ke4 38. Nd2+ Kd3 39. Nf3 f6 40. g4 Ke2 41. g5 f5 42. Ne5 Kxf2 43. Nd7 Kxe3 44. Nxc5 Ra7 45. Ne6 Re7 46. Nd8 Kf4 47. Nc6 Re2+ 48. Ka3 Kxg5 49. Kb4 Re4 50. Nd4 f4 51. Kxc4 Kf6 52. Kd3 Re3+ 53. Kd2 g5 54. c4 Ke5 55. Nc2 Rh3 56. Ne1 Kd4 57. Ke2 Kxc4 58. Nf3 h6 59. Kf2 Kd5 60. Kg2 Rh5 61. h3 Ke4 62. Nd2+ Ke3 63. Nf3 Rxh3 64. Kxh3 Kxf3 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.20"]
[Round "4"]
[White "Kostojakov, Petr"]
[Black "Chernyh, Pavel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1768"]
[BlackElo "1921"]
[PlyCount "64"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nf3 Nc6 4. c3 Nf6 5. e5 d5 6. exf6 dxc4 7. fxg7 Bxg7 8. Na3 Na5 9. Qe2 Qd3 10. Qe3 Qxe3+ 11. dxe3 Bd7 12. Nd2 b5 13. Ne4 Nb7 14. Bd2 Bc6 15. f3 Bxe4 16. fxe4 Nd6 17. Ke2 a5 18. Kf3 b4 19. Nb1 0-0 20. Bc1 f5 21. exf5 Rxf5+ 22. Ke2 Raf8 23. cxb4 cxb4 24. Nd2 Rf2+ 25. Ke1 Rxg2 26. Rb1 Rff2 27. Rf1 Re2+ 28. Kd1 Rxh2 29. Re1 Ref2 30. b3 c3 31. Kc2 cxd2 32. Bxd2 Rxd2+ 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.19"]
[Round "3"]
[White "Davletova, Aigul"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2032"]
[BlackElo "1768"]
[PlyCount "71"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. Bf4 Nf6 6. Qb3 Qc8 7. cxd5 exd5 8. Rc1 Na6 9. h3 Be7 10. e3 0-0 11. Be2 Nc7 12. Na4 Ne4 13. Bd3 Bd6 14. Bxd6 Nxd6 15. Qc2 Bxd3 16. Qxd3 Ne4 17. 0-0 f6 18. Nc5 Nxc5 19. Rxc5 Na6 20. Rcc1 Qd7 21. a3 Nc7 22. Rc2 Nb5 23. Rfc1 Nd6 24. Nd2 Rfe8 25. Nb3 Ne4 26. Nc5 Nxc5 27. Rxc5 Re6 28. b4 Rc8 29. b5 Rc7 30. a4 Qc8 31. Qc2 g6 32. Rxd5 Ree7 33. Rc5 Qe6 34. d5 Qe4 35. d6 Qxc2 36. R1xc2 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.18"]
[Round "2"]
[White "Shestakov, Leonid"]
[Black "Kostojakov, Petr"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2038"]
[BlackElo "1768"]
[PlyCount "34"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bg6 5. f4 e6 6. Nf3 Nd7 7. Be3 Qb6 8. b3 Nh6 9. h3 Nf5 10. Bf2 c5 11. c3 Rc8 12. 0-0 c4 13. Bc2 Ne7 14. b4 a5 15. a3 Ra8 16. Nbd2 Qc7 17. Nh4 Nc8 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2009.07.17"]
[Round "1"]
[White "Kostojakov, Petr"]
[Black "Mazhaev, Roman"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1768"]
[BlackElo "2111"]
[PlyCount "88"]
[EventDate "2009.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c5 5. dxc5 Bxc5 6. cxd5 Nxd5 7. Nxd5 exd5 8. Qc2 Bd6 9. Bb5+ Bd7 10. Bxd7+ Nxd7 11. Qf5 Ne5 12. Bd2 g6 13. Qc2 0-0 14. Qb3 Nc4 15. Bb4 Nxe3 16. Bxd6 Qa5+ 17. Bb4 Qxb4+ 18. Qxb4 Nc2+ 19. Kd2 Nxb4 20. a3 Nc6 21. Nf3 Rfe8 22. Rhe1 Re4 23. Kd3 Rae8 24. Re3 f5 25. Rae1 h6 26. Nd2 Ne5+ 27. Kc2 Rc8+ 28. Kb1 Rxe3 29. Rxe3 Nc6 30. Rc3 Re8 31. Re3 Rxe3 32. fxe3 Ne5 33. Nf3 Ng4 34. Kc2 Nxe3+ 35. Kd3 Nxg2 36. Kd4 Kf8 37. Kxd5 Ke7 38. h4 Nf4+ 39. Kd4 Kd6 40. b4 Ne6+ 41. Kc4 g5 42. hxg5 hxg5 43. a4 g4 44. Nh4 Ke5 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "2"]
[White "Izmestiev, Ilija"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2051"]
[BlackElo "1768"]
[PlyCount "57"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Nf4 Bh7 8. h4 Be7 9. g5 hxg5 10. hxg5 g6 11. Qg4 Nd7 12. Be3 Bb4 13. Nd3 Qa5 14. Bd2 Be7 15. Ne4 Qc7 16. Nf6+ Ngxf6 17. gxf6 Bd8 18. Bb4 Qb6 19. 0-0-0 a5 20. Ba3 Rc8 21. Rh6 c5 22. Qh3 cxd4 23. Rxh7 Rf8 24. Rh8 Qc6 25. Rd2 a4 26. Qh6 Rxh8 27. Qxh8+ Nf8 28. Qxf8+ Kd7 29. Qxf7+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "4"]
[White "Kashtanov, Alexander"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2090"]
[BlackElo "1768"]
[PlyCount "46"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. Bg5 e6 5. cxd5 exd5 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 g6 9. Nge2 Nh5 10. Bxe7 Qxe7 11. 0-0 Ndf6 12. a3 0-0 13. b4 a6 14. Rfb1 Ng7 15. a4 Bf5 16. b5 Ng4 17. Bxf5 Nxf5 18. bxc6 bxc6 19. Rb6 Nfxe3 20. fxe3 Qxe3+ 21. Kh1 Nf2+ 22. Kg1 Nh3+ 23. Kh1 Qg1+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "3"]
[White "Kostojakov, Ivan"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1992"]
[BlackElo "1768"]
[PlyCount "114"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 Nc6 4. Nc3 d6 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Bf4 a6 9. d5 Na7 10. e5 Nh5 11. Qd2 Nxf4 12. Qxf4 dxe5 13. Nxe5 Qd6 14. Nd3 Qxf4 15. Nxf4 Bf5 16. Rae1 Be5 17. Nd3 Bd4 18. g4 Bxd3 19. Bxd3 Nc8 20. Re2 Rd8 21. Rfe1 Kg7 22. Ne4 h6 23. g5 hxg5 24. Nxg5 b5 25. b3 bxc4 26. Bxc4 Kf6 27. Nf3 Bc3 28. Rc1 Bb4 29. Ne5 Nb6 30. Ng4+ Kg5 31. h3 Nxc4 32. f4+ Kxf4 33. Rxc4+ Kg5 34. h4+ Kh5 35. Rxe7 g5 36. Re5 Bd2 37. Kf2 f5 38. Nf6+ Kg6 39. Re6 Kf7 40. Rc2 Bf4 41. Kf3 Rxd5 42. Nxd5 Kxe6 43. hxg5 Bd6 44. Nf4+ Kd7 45. Nd5 Ke6 46. Nf4+ Bxf4 47. Kxf4 Rh8 48. Re2+ Kd5 49. Re5+ Kd4 50. Re6 Rf8 51. Rxa6 Kc3 52. Ra4 Kb2 53. Ra5 Rf7 54. Rxc5 Kxa2 55. g6 Rb7 56. Rc2+ Kxb3 57. Rg2 Kc4 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "6"]
[White "Kostojakov, Petr"]
[Black "Iljushina, Olga"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1768"]
[BlackElo "2280"]
[PlyCount "81"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 e5 3. Nc3 Nc6 4. d4 Nf6 5. dxe5 dxe5 6. Qxd8+ Nxd8 7. Nxe5 Bd6 8. Nd3 0-0 9. Nb5 Nc6 10. Nxd6 cxd6 11. c3 Bf5 12. e3 Rfe8 13. Be2 d5 14. 0-0 d4 15. g4 Nxg4 16. Bxg4 Bxd3 17. Rd1 Ne5 18. cxd4 Bc2 19. Rd2 Bf5 20. Bxf5 Nf3+ 21. Kf1 Nxd2+ 22. Bxd2 Rad8 23. Bc3 Rd5 24. e4 Rd6 25. e5 Rd5 26. Be4 Rd7 27. d5 f5 28. Bg2 Red8 29. d6 Kf8 30. Bd5 b6 31. Bc6 a5 32. Rd1 Kf7 33. Bxd7 Rxd7 34. a4 Ke6 35. Re1 Rb7 36. Rb1 b5 37. axb5 Rxb5 38. Rd1 Kd7 39. e6+ Kd8 40. d7 Rb7 41. Bxa5+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "1"]
[White "Kostojakov, Petr"]
[Black "Martynov, Sergey G"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1768"]
[BlackElo "2092"]
[PlyCount "86"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. Nf3 c5 8. d5 Re8 9. Qc2 Nb6 10. Rb1 e6 11. e4 exd5 12. cxd5 a6 13. b3 Qe7 14. Nd2 Nfxd5 15. exd5 Bxc3 16. 0-0 Bxd2 17. Bxd2 Qxe2 18. Rfe1 Bf5 19. Qc1 Qd3 20. Ra1 Rxe1+ 21. Qxe1 Qe4 22. Qc1 Re8 23. Qb2 Qc2 24. Qxc2 Bxc2 25. Rc1 Bd3 26. Ba5 Nc8 27. b4 b6 28. Bxb6 Nxb6 29. bxc5 dxc5 30. Rxc5 Rd8 31. Rc3 Rxd5 32. a4 Nxa4 33. Ra3 Nc5 34. f3 Ne6 35. Kh2 a5 36. Kg3 h5 37. Ra4 Bc2 38. Rh4 a4 39. Rxh5 gxh5 40. Kh4 a3 41. g3 a2 42. f4 a1Q 43. g4 Qe1# 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "8"]
[White "Kostojakov, Petr"]
[Black "Zograf, Svetlana"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1768"]
[PlyCount "54"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. Bb5+ Bd7 5. Qe2+ Ne7 6. Nxd5 Bxb5 7. Qxb5+ c6 8. Qxb7 Qxd5 9. Ne2 Qxg2 10. Rg1 Qxh2 11. Qxa8 Qc7 12. d4 Nc8 13. Bf4 Bd6 14. Bxd6 Nxd6 15. Rg5 Nc8 16. Rc5 0-0 17. d5 Nb6 18. Rxc6 Nxa8 19. Rxc7 Nxc7 20. c4 Nd7 21. d6 Ne8 22. Rd1 f5 23. b4 Nef6 24. c5 Rc8 25. Nd4 a5 26. Nxf5 Re8+ 27. Ne7+ Kf7 1/2-1/2

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "9"]
[White "Kukharskiy, Sergey"]
[Black "Kostojakov, Petr"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2102"]
[BlackElo "1768"]
[PlyCount "64"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nxc6 bxc6 7. Be2 Nf6 8. 0-0 d5 9. exd5 cxd5 10. Bg5 d4 11. Ne4 Be7 12. Nxf6+ Bxf6 13. Bd2 0-0 14. Bd3 Be6 15. Qh5 g6 16. Qd1 Bg7 17. Qc1 Qb6 18. b3 f5 19. f4 e4 20. Bc4 Bxc4 21. bxc4 Qc5 22. c3 d3+ 23. Kh1 Qxc4 24. a4 Rab8 25. a5 Rb3 26. Rb1 Rc8 27. Rxb3 Qxb3 28. h3 Bxc3 29. Bxc3 Qxc3 30. Qb1 Qxa5 31. Qb3+ Kg7 32. Qb2+ Qc3 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "5"]
[White "Parygin, Dmitriy"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1943"]
[BlackElo "1768"]
[PlyCount "121"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 e6 4. Nf3 Nd7 5. Bd3 h6 6. c3 Qc7 7. Qe2 c5 8. 0-0 c4 9. Bc2 b5 10. h3 a5 11. Nh2 Qb6 12. f4 b4 13. Ba4 b3 14. axb3 cxb3 15. Qb5 Qxb5 16. Bxb5 Be7 17. f5 Bd8 18. fxe6 fxe6 19. Nf3 g5 20. Nbd2 Rb8 21. Bd3 Ne7 22. Nh2 Rf8 23. Be2 Rxf1+ 24. Nhxf1 Nf8 25. Bd1 Bb6 26. Nxb3 Nf5 27. Nxa5 Ra8 28. Ba4+ Bd7 29. b4 Bxa4 30. Rxa4 Nxd4 31. Kh2 Nb3 32. Be3 Bxa5 33. bxa5 Rxa5 34. Rb4 Nc5 35. Rb8+ Kf7 36. Rc8 Ne4 37. Bd4 Nd7 38. Rc7 Ke7 39. Ne3 h5 40. Nc2 Ra8 41. Nb4 Kd8 42. Rc6 Rc8 43. Rxe6 Nxc3 44. Nc6+ Kc7 45. Bxc3 Nb6 46. Ba5 Kb7 47. Bxb6 Rxc6 48. Rxc6 Kxc6 49. Bd4 Kd7 50. Kg3 Ke6 51. Kf3 Kf5 52. g4+ hxg4+ 53. hxg4+ Kg6 54. Ke3 Kf7 55. Kd3 Ke6 56. Kc3 Kd7 57. Kb4 Kc6 58. Ka5 Kc7 59. Kb5 Kd7 60. Kc5 Ke6 61. Kc6 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2008.07.20"]
[Round "7"]
[White "Sladkov, Ivan"]
[Black "Kostojakov, Petr"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1969"]
[BlackElo "1768"]
[PlyCount "61"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. Nc3 Bb4 4. Bd2 Bb7 5. f3 Nc6 6. Nge2 Qh4+ 7. g3 Qf6 8. Bg2 Nxd4 9. Nxd4 Qxd4 10. a3 Bxc3 11. Bxc3 Qe3+ 12. Qe2 Qxe2+ 13. Kxe2 f6 14. e5 g6 15. exf6 Kf7 16. g4 h6 17. Rad1 d6 18. h4 e5 19. g5 Bc8 20. Kd2 Bb7 21. Ke3 Nxf6 22. gxf6 Kxf6 23. Rdg1 g5 24. h5 Rhg8 25. Bh3 Bc8 26. Bg4 Be6 27. Rd1 Ke7 28. b3 Raf8 29. Rhf1 Rf4 30. Bxe6 Kxe6 31. Rh1 1/2-1/2

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "1"]
[White "Akchelov, Sergey"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2144"]
[PlyCount "27"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. dxe4 e5 5. Ngf3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qb3 Bc5 9. Nf3 Bb6 10. Bg5 Qd6 11. Bc4 Qc7 12. 0-0 f6 13. Bxg8 Bxf2+ 14. Rxf2 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "6"]
[White "Golovina, Darya"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1799"]
[PlyCount "31"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 e5 3. Nf3 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Nc3 Bb4 7. Bd2 c6 8. Bc4 Qf6 9. Qe2 Nd7 10. 0-0 b5 11. Bb3 Nc5 12. Nxb5 Bxd2 13. Nc7+ Kd7 14. Nxa8 Nxb3 15. axb3 Bf4 16. Rxa7+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "4"]
[White "Kostojakov, Petr"]
[Black "Abilov, Evgeniy"]
[Result "1-0"]
[ECO "B47"]
[BlackElo "1976"]
[PlyCount "77"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 a6 5. d4 cxd4 6. Nxd4 Qc7 7. Bg2 b5 8. Bf4 e5 9. Nxc6 exf4 10. gxf4 dxc6 11. Qd2 Bb4 12. e5 Ne7 13. 0-0-0 Bg4 14. f3 Bf5 15. a3 a5 16. axb4 axb4 17. Nb1 b3 18. Na3 bxc2 19. Nxc2 Qa7 20. Qb4 0-0 21. h4 Nd5 22. Qd4 Bxc2 23. Qxa7 Rxa7 24. Rxd5 cxd5 25. Kxc2 Ra4 26. f5 Rc8+ 27. Kb3 Rcc4 28. Bf1 Rf4 29. Rh3 Rfb4+ 30. Kc3 d4+ 31. Kc2 Ra2 32. Rh1 Rbxb2+ 33. Kd3 Rd2+ 34. Ke4 b4 35. Bc4 Rac2 36. Ra1 h6 37. Ra8+ Kh7 38. Bxf7 g5 39. fxg6+ 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "5"]
[White "Kostojakov, Petr"]
[Black "Martjushov, Vasily"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "2138"]
[PlyCount "80"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Qe5 9. Bc3 Qg5 10. Nf3 Qh6 11. Ne5 Nf6 12. h4 0-0 13. Bd2 g5 14. Bxg5 Qg7 15. Bf3 Nfd7 16. Nxd7 Nxd7 17. Qd2 Qe5+ 18. Be3 Nb6 19. Rc1 Qf6 20. Bd4 e5 21. Bc3 Bf5 22. Qg5+ Qxg5 23. hxg5 Rfe8 24. g4 Bg6 25. b3 Nd7 26. 0-0 e4 27. Bd1 Nc5 28. Bc2 Nd3 29. Rcd1 Rad8 30. Rd2 Nf4 31. Kh2 Rxd2 32. Bxd2 Ne6 33. Be3 b6 34. f3 exf3 35. Bxg6 hxg6 36. Rxf3 Rd8 37. Rf2 Rd3 38. Re2 Kf8 39. Kg3 Nd4 40. Re1 Nc2 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "8"]
[White "Kostojakov, Petr"]
[Black "Sladkov, Ivan"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "91"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. b3 0-0 6. Bb2 d5 7. e3 Nc6 8. Nc3 b6 9. Ne2 Ba6 10. d3 c4 11. Re1 Bd6 12. dxc4 dxc4 13. Bxf6 gxf6 14. Nfd4 Nxd4 15. Qxd4 Rc8 16. Rad1 Qe7 17. Qxd6 Qxd6 18. Rxd6 Rcd8 19. Rd4 e5 20. Rd5 Rxd5 21. Bxd5 cxb3 22. axb3 Rc8 23. c4 b5 24. Ra1 bxc4 25. Rxa6 Kg7 26. Rxa7 Rf8 27. bxc4 Kg6 28. c5 Rc8 29. c6 h6 30. Rxf7 Rd8 31. Rd7 Rc8 32. c7 Kf5 33. Bb7 Rxc7 34. Rxc7 h5 35. e4+ Kg6 36. h4 f5 37. Rc6+ Kf7 38. exf5 Ke7 39. f6+ Kf7 40. Ba6 e4 41. Bc4+ Kf8 42. Rc7 e3 43. fxe3 Ke8 44. Nf4 Kd8 45. Ra7 Ke8 46. Nxh5 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "9"]
[White "Kostojakov, Petr"]
[Black "Stepanov, Aleksey"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "75"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Nxe4 d5 5. Qh5 dxc4 6. Qxe5+ Qe7 7. Nf3 Qxe5 8. Nxe5 Be6 9. 0-0 Be7 10. d3 cxd3 11. Nxd3 0-0 12. Bf4 c6 13. Nec5 Bxc5 14. Nxc5 Bf5 15. Nxb7 Nd7 16. c3 a5 17. Nd6 Be6 18. Rfe1 Nb6 19. Ne4 a4 20. Nc5 Bd5 21. b3 axb3 22. axb3 Rxa1 23. Rxa1 Re8 24. c4 Be6 25. h3 Ra8 26. Rxa8+ Nxa8 27. Nxe6 fxe6 28. c5 Kf8 29. Bd6+ Ke8 30. f4 g6 31. Kf2 Kd7 32. Ke3 Nc7 33. Bxc7 Kxc7 34. Kd4 Kd7 35. Ke5 Ke7 36. g4 h5 37. g5 h4 38. b4 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "2"]
[White "Kostojakov, Petr"]
[Black "Yurchenko, Vitaliy"]
[Result "0-1"]
[ECO "B33"]
[BlackElo "2065"]
[PlyCount "60"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Qd3 d5 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Nd2 Nxc3 11. Qxc3 0-0 12. 0-0-0 Be6 13. Nf3 f6 14. Bc4 Bf7 15. Bb3 Rc8 16. Qd2 d4 17. Bxf7+ Rxf7 18. a3 b5 19. Rhe1 Qb6 20. Nh4 b4 21. a4 b3 22. Kb1 bxc2+ 23. Qxc2 Ne7 24. Qd3 Nd5 25. Nf3 Nc3+ 26. Ka1 Qb3 27. bxc3 Qa3+ 28. Kb1 Rb7+ 29. Qb5 Rxb5+ 30. axb5 dxc3 0-1

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "7"]
[White "Kuzmitskaya, Yana"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2072"]
[PlyCount "99"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e4 d6 6. f3 e6 7. Qd2 Nbd7 8. Bh6 Re8 9. Bxg7 Kxg7 10. Nge2 Nb6 11. b3 Bd7 12. g4 e5 13. h4 Rh8 14. h5 h6 15. hxg6 fxg6 16. 0-0-0 g5 17. Ng3 Qe7 18. Nf5+ Bxf5 19. exf5 a6 20. Re1 Nbd7 21. dxe5 dxe5 22. Nd5 Qd6 23. Rd1 Rab8 24. Nxf6 Qxd2+ 25. Rxd2 Nxf6 26. c5 a5 27. Bc4 Rbd8 28. Rhd1 Rxd2 29. Rxd2 h5 30. Rg2 h4 31. Re2 Re8 32. Be6 e4 33. fxe4 Nxg4 34. e5 h3 35. f6+ Nxf6 36. exf6+ Kxf6 37. Bg4 Rxe2 38. Bxe2 Kf5 39. Bf3 g4 40. Bxb7 Kf4 41. Kd1 g3 42. Ke2 g2 43. Kf2 Ke5 44. Bc8 Kd5 45. Bxh3 g1Q+ 46. Kxg1 Kxc5 47. a3 Kd4 48. a4 c5 49. Be6 Kc3 50. Bc4 1-0

[Event "Abaza op"]
[Site "Abaza"]
[Date "2007.07.??"]
[Round "3"]
[White "Martynov, Sergey G"]
[Black "Kostojakov, Petr"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2087"]
[PlyCount "47"]
[EventDate "2007.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c6 4. e4 d6 5. f4 Nbd7 6. Nf3 h6 7. Bd3 Qc7 8. Be3 Ng4 9. Bd2 a6 10. Qe2 b5 11. 0-0 bxc4 12. Bxc4 Nb6 13. Bd3 Nf6 14. Rac1 Nfd7 15. d5 Nc5 16. Bb1 a5 17. Qf2 Ba6 18. Rfe1 Bd3 19. Qd4 Ba6 20. b3 0-0-0 21. Ne2 Nbd7 22. dxc6 e5 23. cxd7+ Rxd7 24. Qc3 1-0

