[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.11.06"]
[Round "9"]
[White "Kostrov, Yaroslav"]
[Black "Malakhov, Igor"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2023"]
[BlackElo "2177"]
[PlyCount "29"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 0-0 5. a3 Be7 6. e3 Nc6 7. Bb2 d5 8. Nf3 Bf5 9. d4 Ne4 10. Nc3 dxc4 11. Bxc4 Na5 12. Bd3 Nxc3 13. Bxc3 Bxd3 14. Qxd3 c5 15. Qb5 1/2-1/2

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.11.05"]
[Round "8"]
[White "Kostrov, Yaroslav"]
[Black "Eltsov, Valery"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2023"]
[BlackElo "2124"]
[PlyCount "137"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. a3 d5 4. e3 Be6 5. d4 exd4 6. Bxd4 Bd6 7. Nf3 Ne7 8. Bd3 0-0 9. Nbd2 Nbc6 10. c4 Ng6 11. Qc2 Qe8 12. c5 Nxd4 13. Nxd4 Be5 14. N2f3 Kh8 15. Rb1 Bg8 16. Bxg6 hxg6 17. 0-0 Bh7 18. Rbd1 g5 19. Qc3 Be4 20. Nxe5 fxe5 21. Ne2 c6 22. Ng3 Bg6 23. Qd2 g4 24. f3 gxf3 25. gxf3 Qe6 26. Rf2 Rf6 27. Rdf1 Raf8 28. f4 exf4 29. Rxf4 Rxf4 30. Rxf4 Re8 31. Kf2 Kg8 32. Qd4 Re7 33. Rf3 Qh3 34. Nf1 Qh5 35. Rf4 Be4 36. h4 Rf7 37. Rxf7 Qxh4+ 38. Ke2 Kxf7 39. Qe5 Qg4+ 40. Ke1 Qe6 41. Qc7+ Qe7 42. Qf4+ Kg6 43. Ng3 Qg5 44. Qf2 Bd3 45. Kd2 Bc4 46. Qf4 Qxf4 47. exf4 b6 48. Ke3 Kf6 49. Kd4 g6 50. Ke3 bxc5 51. bxc5 Ke6 52. Kd4 a5 53. Kc3 Ba2 54. Kd4 Bb1 55. Kc3 Bf5 56. Ne2 Bg4 57. Nd4+ Kd7 58. Nb3 Bd1 59. Nd4 Ba4 60. Kd3 Ke7 61. Ke3 Kf6 62. Kf3 Kg7 63. Kg4 Kf6 64. Kf3 Bb5 65. Ke3 g5 66. fxg5+ Kxg5 67. Nxb5 cxb5 68. c6 b4 69. axb4 1-0

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.11.03"]
[Round "6"]
[White "Kuznetsov, Andrey"]
[Black "Kostrov, Yaroslav"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2172"]
[BlackElo "2023"]
[PlyCount "86"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Be7 7. 0-0 Nxe4 8. Bxe4 Nf6 9. Bd3 0-0 10. Ne5 c5 11. dxc5 Bxc5 12. Bg5 Be7 13. Re1 Nd5 14. Bd2 Bf6 15. Rb1 Bxe5 16. Rxe5 Qf6 17. Qe1 Nf4 18. Be4 Ng6 19. Rb5 Rb8 20. Bc3 Qe7 21. Rb3 Rd8 22. Bxg6 fxg6 23. Qe5 Ra8 24. Re1 Qf7 25. h3 Rd5 26. Qe2 a6 27. Be5 Qe8 28. c4 Rd8 29. Bc3 Qd7 30. Qe5 Rf8 31. Qe2 Qf7 32. f3 Qc7 33. Rd1 Bd7 34. Be5 Qc8 35. Rbd3 Bc6 36. b3 Qe8 37. Bb2 Qf7 38. Rd6 Rfe8 39. Qe5 Rac8 40. Qe3 Rc7 41. Qb6 Rec8 42. b4 Ba4 43. R1d2 Rxc4 1/2-1/2

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.11.02"]
[Round "5"]
[White "Otkidach, Oleg"]
[Black "Kostrov, Yaroslav"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2150"]
[BlackElo "2023"]
[PlyCount "93"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 c5 8. Bb5+ Bd7 9. Nxd7 Nxd7 10. 0-0 a6 11. Bxd7+ Qxd7 12. Be3 Qc6 13. Qg4 0-0-0 14. dxc5 h5 15. Qc4 h4 16. h3 Rh5 17. Rfd1 Bxc5 18. Rxd8+ Kxd8 19. Rd1+ Ke8 20. Qg4 g6 21. Bxc5 Qxc5 22. Qf4 Qe5 23. Qa4+ Qb5 24. Qf4 Qe5 25. Qb4 Qc7 26. Qd4 Ke7 27. c4 e5 28. Qd5 Rh8 29. Re1 f6 30. f4 Rd8 31. Qf3 Rd4 32. fxe5 fxe5 33. Qe3 Kf6 34. Qh6 Rxc4 35. Rf1+ Rf4 36. Qxh4+ Kg7 37. Rxf4 exf4 38. Qf2 Qc1+ 39. Kh2 Qc7 40. Qf3 g5 41. h4 gxh4 42. Kh3 Kf6 43. Kxh4 Qe5 44. Kg4 Qg5+ 45. Kh3 Qh6+ 46. Kg4 Qg5+ 47. Kh3 1/2-1/2

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.11.01"]
[Round "4"]
[White "Kostrov, Yaroslav"]
[Black "Gavriushov, Andrey"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2023"]
[BlackElo "2183"]
[PlyCount "156"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 g6 3. e3 Bg7 4. Nf3 0-0 5. c4 a5 6. b5 d6 7. d4 Nbd7 8. Be2 e5 9. a4 e4 10. Nfd2 Re8 11. Nc3 Nf8 12. Qc2 Bf5 13. h3 h5 14. Nb3 c6 15. Ba3 Qc7 16. Rb1 Ne6 17. Qd1 Ng5 18. Qd2 Bf8 19. h4 Ne6 20. bxc6 bxc6 21. d5 Nc5 22. 0-0 Nxb3 23. Rxb3 c5 24. Nb5 Qd8 25. Bb2 Nd7 26. g3 Ne5 27. Bxe5 Rxe5 28. Rfb1 g5 29. hxg5 Qxg5 30. Kg2 h4 31. Rh1 hxg3 32. fxg3 Bg6 33. Qe1 Qe7 34. Rh4 Rg5 35. Rg4 Rxg4 36. Bxg4 Bg7 37. Qf2 Qg5 38. Qf4 Qxf4 39. gxf4 Rb8 40. Bd7 Bh5 41. Rb1 Bf6 42. Rg1 Kf8 43. Bf5 Bf3+ 44. Kf1 Ke7 45. Bg4 Rh8 46. Bxf3 exf3 47. Kf2 Rh3 48. Rf1 Bh4+ 49. Kg1 f2+ 50. Kg2 Rxe3 51. Na7 Kf6 52. Nc8 Kf5 53. Nxd6+ Kxf4 54. Nb7 Re8 55. Nxc5 Rg8+ 56. Kh3 Rh8 57. Kg2 Rg8+ 58. Kh3 Bg3 59. Kg2 Bh2+ 60. Kxf2 Rc8 61. d6 Ke5 62. d7 Rd8 63. Re1+ Kd4 64. Re8 Bc7 65. Rxd8 Bxd8 66. Nb7 Bh4+ 67. Kf3 Kxc4 68. Nxa5+ Kb4 69. Nc6+ Kxa4 70. Kg4 Bf6 71. Kf5 Bh4 72. Ne5 Kb5 73. Nxf7 Kc6 74. Ke6 Kc7 75. Ne5 Kd8 76. Nc4 Bg3 77. Na5 Bh4 78. Nc6+ Kc7 1/2-1/2

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.10.31"]
[Round "3"]
[White "Golovenchits, Boris"]
[Black "Kostrov, Yaroslav"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2087"]
[BlackElo "2023"]
[PlyCount "82"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 0-0 8. Rc1 dxc4 9. Bxc4 b6 10. Qe2 Bb7 11. 0-0 Qe7 12. e4 g6 13. e5 Bg7 14. Ne4 Rd8 15. a3 Nc6 16. Rfd1 Na5 17. Ba2 h5 18. b4 Nc6 19. Rc3 Nxe5 20. Rdc1 Nxf3+ 21. Qxf3 Bxe4 22. Qxe4 Bxd4 23. Rxc7 Qf6 24. Rf1 Be5 25. Rc6 Rd4 26. Qc2 Rad8 27. Rc8 Kg7 28. Rxd8 Qxd8 29. Qe2 Bf6 30. Bc4 Qc7 31. Bb5 Qc3 32. Qe3 Rd2 33. Qe4 Qxa3 34. Qb7 Qxb4 35. Be8 Qe7 36. Qxe7 Bxe7 37. g3 Bc5 38. Bb5 Rb2 39. Bd3 b5 40. Rb1 Bxf2+ 41. Kf1 Rxb1+ 0-1

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.10.30"]
[Round "2"]
[White "Kostrov, Yaroslav"]
[Black "Matrosov, Vladimir"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2023"]
[BlackElo "2132"]
[PlyCount "120"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. a3 d5 4. e3 c5 5. bxc5 Bxc5 6. d4 Qb6 7. Qc1 Bd6 8. Nf3 Bd7 9. Nbd2 0-0 10. c4 dxc4 11. Nxc4 Qc7 12. Nxd6 Qxd6 13. Bd3 Bc6 14. Qd1 Nbd7 15. h3 Nb6 16. 0-0 Na4 17. Qb3 Nxb2 18. Qxb2 Bxf3 19. gxf3 Qd5 20. f4 Rac8 21. Rac1 Rfd8 22. Rfd1 Qf3 23. Bf1 Qd5 24. Bg2 Ne4 25. Qb1 f5 26. Bxe4 Qxe4 27. Qxe4 fxe4 28. Kg2 Kf7 29. f3 exf3+ 30. Kxf3 Ke7 31. Ke4 b5 32. Rg1 g6 33. Rb1 Rd5 34. a4 bxa4 35. Rb7+ Rd7 36. Rb4 a3 37. Rb3 a2 38. Rb2 a5 39. Ra1 Ra8 40. Rb5 a4 41. Rxa2 a3 42. Rb3 Rda7 43. h4 Kf6 44. Rb6 Ra5 45. Kf3 R8a6 46. Rb7 Ra7 47. Rb6 Ke7 48. Ke4 Kd7 49. Kd3 Kc7 50. Rxe6 R5a6 51. Rxa6 Rxa6 52. Kc4 Kd6 53. Kb4 Kd5 54. Rxa3 Rb6+ 55. Kc3 Ke4 56. Ra7 Kxe3 57. Re7+ Kxf4 58. Rxh7 Rc6+ 59. Kd3 Rc8 60. Rh6 Kf5 1/2-1/2

[Event "St Petersburg Autumn op"]
[Site "St Petersburg"]
[Date "2005.10.29"]
[Round "1"]
[White "Pankov, German"]
[Black "Kostrov, Yaroslav"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2270"]
[BlackElo "2023"]
[PlyCount "51"]
[EventDate "2005.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bd3 c5 10. 0-0 Be6 11. Ne5 cxd4 12. exd4 Bf6 13. Rc1 Bxe5 14. dxe5 Nd7 15. Qh5 f5 16. exf6 Nxf6 17. Qe5 Bf7 18. Rc7 Re8 19. Qd4 Re7 20. Rfc1 Rxc7 21. Rxc7 Ne8 22. Bxh7+ Kxh7 23. Rxf7 Nf6 24. Qd3+ Kg8 25. Qg6 Nh5 26. Be5 1-0

