[Event "Pardubice Czech op-A 27th"]
[Site "Pardubice"]
[Date "2016.07.29"]
[Round "8"]
[White "Oberhofer, Cedric"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "E64"]
[WhiteElo "2091"]
[BlackElo "2278"]
[PlyCount "178"]
[EventDate "2016.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. d5 0-0 6. Bg2 d6 7. 0-0 Na6 8. Nc3 Rb8 9. e4 Bg4 10. h3 Bxf3 11. Qxf3 Nc7 12. Qe2 e6 13. Bd2 Re8 14. Qd3 exd5 15. exd5 Nd7 16. f4 f5 17. Rae1 Nf6 18. Rxe8+ Qxe8 19. Re1 Qd7 20. a4 a6 21. Bf1 b6 22. b3 Kf8 23. Qf3 h5 24. Bd3 Kf7 25. h4 Ng4 26. Kg2 Qd8 27. Qe2 Qf6 28. Qf3 Kf8 29. Re2 Qd4 30. Be1 Re8 31. Rxe8+ Kxe8 32. Qe2+ Kd7 33. Bd2 Kd8 34. Be1 Kc8 35. Nd1 Qa1 36. Nf2 Nh6 37. Qd1 Qb2 38. Qc2 Qd4 39. Nd1 Qa1 40. Qb1 Qxb1 41. Bxb1 b5 42. axb5 axb5 43. Kf3 Ng4 44. Ne3 Nxe3 45. Kxe3 Bd4+ 46. Ke2 Kb7 47. Bc2 Kb6 48. Bd3 Bb2 49. Kd1 bxc4 50. bxc4 Ne8 51. Bc2 Nf6 52. Ke2 Kc7 53. Kf3 Kd7 54. Ba4+ Ke7 55. Bc2 Bd4 56. Bd2 Ng4 57. Be1 Bb2 58. Bb3 Ba3 59. Ba4 Bc1 60. Bb3 Ne3 61. Bc3 Ng4 62. Be1 Ba3 63. Bc3 Nh6 64. Ba4 Nf7 65. Bg7 Bb4 66. Bb2 Nd8 67. Bc1 Nb7 68. Bb3 Na5 69. Ba2 Be1 70. Be3 Kd8 71. Bc1 Kc7 72. Bb2 Kb6 73. Ba3 Bc3 74. Ke2 Nb7 75. Bb3 Ka5 76. Bc2 Nd8 77. Kf3 Nf7 78. Ke2 Nh6 79. Kf3 Ng4 80. Ke2 Nf6 81. Kf3 Ba1 82. Ke3 Bd4+ 83. Ke2 Ne4 84. Bxe4 fxe4 85. Bc1 Kb4 86. f5 gxf5 87. Bf4 Kxc4 88. Bxd6 Kxd5 89. Bb8 Be5 0-1

[Event "Pardubice Czech op-A 27th"]
[Site "Pardubice"]
[Date "2016.07.22"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Kononenko, Dmitry"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2278"]
[BlackElo "2621"]
[PlyCount "94"]
[EventDate "2016.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. d4 Bg7 4. e4 d6 5. Nc3 Bg4 6. dxc5 dxc5 7. Qxd8+ Kxd8 8. Be3 Bxc3+ 9. bxc3 b6 10. h3 Bc8 11. Ne5 Ke8 12. Bf4 f6 13. Ng4 Nc6 14. Ne3 e6 15. h4 Nge7 16. 0-0-0 Kf7 17. g4 Bb7 18. Rd7 Na5 19. Bg2 Rhd8 20. Rhd1 Ke8 21. Rxb7 Nxb7 22. e5 fxe5 23. Bxe5 Na5 24. Bxa8 Rxa8 25. Rd6 Kf7 26. g5 Nac6 27. Ng4 Rd8 28. Nh6+ Kf8 29. Rxe6 Nxe5 30. Rxe5 Rd3 31. Re3 Rxe3 32. fxe3 Nc6 33. Ng4 Na5 34. Kc2 Nxc4 35. Kd3 Nb2+ 36. Ke2 Kf7 37. Ne5+ Ke6 38. Nc6 a6 39. e4 Nc4 40. Nd8+ Ke7 41. Nc6+ Kd7 42. Nb8+ Kc7 43. Nxa6+ Kb7 44. Nxc5+ bxc5 45. Kf3 Kc6 46. Kf4 Kd6 47. h5 gxh5 0-1

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.31"]
[Round "8"]
[White "Vyskocil, Neklan"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "A83"]
[WhiteElo "2370"]
[BlackElo "2277"]
[PlyCount "47"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qe2 g6 7. f4 Neg4 8. h3 Nh6 9. g4 Nhg8 10. 0-0-0 Bg7 11. Bg2 c6 12. Bxe4 Qb6 13. d6 Kf8 14. Nf3 exd6 15. Rhe1 d5 16. Bxf6 Bxf6 17. Bxd5 cxd5 18. Qe8+ Kg7 19. Ng5 h5 20. Qf7+ Kh6 21. Re8 Qb4 22. Nge4 Bg7 23. Rxg8 Rxg8 24. g5+ 1-0

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.30"]
[Round "7"]
[White "Okun, Leonid"]
[Black "Stella, Andrea"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2277"]
[BlackElo "2427"]
[PlyCount "102"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 d6 4. Bb2 Nc6 5. Bb5 Bd7 6. 0-0 Nf6 7. Bxc6 Bxc6 8. e5 Ng4 9. Na3 dxe5 10. Nc4 Bd6 11. d3 Bc7 12. h3 h5 13. Re1 Qf6 14. hxg4 hxg4 15. Nfxe5 Qh6 16. Kf1 Bxg2+ 17. Ke2 b5 18. Rg1 Bf3+ 19. Nxf3 gxf3+ 20. Ke1 bxc4 21. Qxf3 Rd8 22. Bxg7 Ba5+ 23. Kf1 Qh3+ 24. Qxh3 Rxh3 25. bxc4 Kd7 26. Rb1 Bb6 27. a4 Kc6 28. Bc3 a6 29. Ke2 Rh5 30. Rg7 Rd7 31. Rg8 Rb7 32. Ra8 Ra7 33. Re8 Rf5 34. Rh8 Bc7 35. Rh3 Ra8 36. Rf3 Rxf3 37. Kxf3 Rg8 38. Rh1 Rg5 39. Rh7 Rf5+ 40. Ke2 Bd6 41. Rh3 Rg5 42. Rf3 f5 43. Rh3 Rg1 44. Be1 f4 45. Rf3 Rh1 46. a5 e5 47. Bd2 Bc7 48. Be1 Kd7 49. d4 e4 50. Ra3 f3+ 51. Kd1 cxd4 0-1

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.29"]
[Round "6"]
[White "Gheng, Josef"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2376"]
[BlackElo "2277"]
[PlyCount "100"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 Nc6 4. Nc3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. 0-0 e5 8. d3 Be7 9. b3 0-0 10. Bb2 Be6 11. Rc1 Na6 12. Re1 Qd7 13. a3 Rac8 14. Ne4 f6 15. h4 Rfd8 16. Ned2 Bf8 17. Kh2 Nc7 18. Ne4 b6 19. b4 cxb4 20. Rxc6 Qxc6 21. Nxe5 Qb5 22. a4 Qa6 23. Nc6 Re8 24. Nd4 Bd5 25. Nb5 Bxe4 26. Nxc7 Rxc7 27. dxe4 Qc8 28. e5 fxe5 29. Qd5+ Kh8 30. Be4 Rd7 31. Qb3 Rd2 32. Ba1 Bc5 33. Kg2 Qe6 34. Qb1 Rf8 35. f3 Qa2 36. Qxa2 Rxa2 37. Bxe5 Rd8 38. h5 h6 39. g4 Be7 40. Kg3 Bd6 41. Bxd6 Rxd6 42. Rc1 Rd8 43. Rc4 Rxa4 44. Bg6 b5 45. Rc5 a6 46. e4 b3 47. e5 Rc4 48. Rxc4 bxc4 49. e6 c3 50. e7 Rb8 0-1

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.28"]
[Round "5.85"]
[White "Okun, Leonid"]
[Black "Gungl, Theo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2277"]
[BlackElo "2131"]
[PlyCount "89"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. d4 Be7 5. Bd3 b6 6. c3 Bb7 7. Ne5 0-0 8. Nd2 Nbd7 9. 0-0 Ne4 10. Nxe4 dxe4 11. Bc2 f6 12. Nc4 f5 13. b4 Ba6 14. Bb3 Nf6 15. a4 c5 16. b5 Bb7 17. Ne5 Nd5 18. Bxd5 exd5 19. Ba3 cxd4 20. cxd4 Rc8 21. Qb3 Bxa3 22. Qxa3 Qe8 23. Rac1 Qe6 24. Rf2 g6 25. Rfc2 Rxc2 26. Rxc2 Rc8 27. Qc1 Rxc2 28. Qxc2 Qd6 29. Qc3 Qd8 30. Kf1 Kf8 31. g3 Ke7 32. h4 Qd6 33. h5 gxh5 34. Kg2 Ke6 35. Kh3 Qd8 36. Qc1 h4 37. gxh4 Qe7 38. Qg1 Kd6 39. Qg5 Qf8 40. h5 Bc8 41. h6 Qe8 42. Kh4 Be6 43. Qg7 Qd8+ 44. Kg3 Qc8 45. Nc6 1-0

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.27"]
[Round "4"]
[White "Roeder, Mathias"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2411"]
[BlackElo "2277"]
[PlyCount "199"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 c5 4. Bg2 Nf6 5. 0-0 Nc6 6. c4 cxd4 7. cxd5 exd5 8. Nxd4 Be6 9. Nc3 Be7 10. Qa4 Qd7 11. Nxe6 fxe6 12. Bg5 h6 13. Bxf6 Bxf6 14. Rad1 0-0 15. Bh3 Qe7 16. e4 d4 17. Ne2 e5 18. Nc1 a6 19. Qc4+ Kh8 20. Nd3 Qd6 21. Qe6 Qc7 22. Rc1 Qb6 23. Rc2 a5 24. a3 a4 25. Bg4 Ra5 26. Qc4 Nd8 27. Qb4 Qxb4 28. axb4 Ra8 29. Ra1 Nf7 30. Be6 Nd6 31. Bd5 Rfc8 32. Rxc8+ Rxc8 33. Rxa4 Rc2 34. f4 exf4 35. e5 Bxe5 36. Nxe5 fxg3 37. hxg3 g5 38. g4 Rxb2 39. Nc4 Nxc4 40. Bxc4 Kg7 41. b5 Kf6 42. Bf1 Ke5 43. Ra8 Rb3 44. Rb8 Kf4 45. Rxb7 Kxg4 46. Rd7 Rb4 47. Rh7 Rb1 48. Kf2 Rb2+ 49. Be2+ Kf4 50. Ke1 Ke3 51. Re7+ Kf4 52. Rf7+ Ke4 53. Kd1 h5 54. Re7+ Kf4 55. Kc1 Rb4 56. Bxh5 Rxb5 57. Be2 Re5 58. Rf7+ Rf5 59. Rd7 Ke3 60. Re7+ Kf4 61. Kd2 g4 62. Kd3 Re5 63. Rg7 Re3+ 64. Kd2 Rg3 65. Ke1 Ke3 66. Re7+ Kf4 67. Kf2 Ra3 68. Rf7+ Ke4 69. Bxg4 Ra2+ 70. Ke1 Rh2 71. Be2 Rh4 72. Kd2 Rh2 73. Re7+ Kd5 74. Re8 Rg2 75. Rh8 Rg3 76. Rh2 Ra3 77. Rh5+ Ke4 78. Bc4 Rc3 79. Rh4+ Ke5 80. Bd3 Ra3 81. Rh5+ Kd6 82. Bc4 Rg3 83. Rd5+ Kc6 84. Rxd4 Kc5 85. Rh4 Rg2+ 86. Kc3 Rg3+ 87. Bd3 Kd6 88. Kd4 Ke7 89. Rh6 Kf7 90. Bf5 Kg7 91. Ra6 Rb3 92. Ke5 Rb7 93. Be6 Rc7 94. Ra1 Rc5+ 95. Bd5 Rc7 96. Rg1+ Kh8 97. Kf6 Ra7 98. Rb1 Ra6+ 99. Be6 Ra7 100. Rb8+ 1-0

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.26"]
[Round "3.90"]
[White "Okun, Leonid"]
[Black "Vezzani, Stefano"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2277"]
[BlackElo "2129"]
[PlyCount "73"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Bd3 Nc6 7. Nxc6 bxc6 8. 0-0 0-0 9. f4 d5 10. e5 Bc5+ 11. Kh1 Ng4 12. Qe1 f5 13. h3 Nh6 14. Na4 Bb6 15. b3 Qe7 16. Be3 Nf7 17. c4 d4 18. Bd2 c5 19. b4 cxb4 20. c5 Ba5 21. a3 c6 22. axb4 Bc7 23. Nb2 g5 24. Nc4 gxf4 25. Bxf4 Kh8 26. Qf2 Be6 27. Qxd4 Ng5 28. Nd6 Qg7 29. Bxg5 Qxg5 30. Bc4 Qg6 31. Ra6 Rg8 32. Rf2 Bxc4 33. Qxc4 Qg3 34. Nf7+ Kg7 35. Rxf5 Qe1+ 36. Rf1 Qg3 37. Qe6 1-0

[Event "Pardubice Czech op-A 26th"]
[Site "Pardubice"]
[Date "2015.07.25"]
[Round "2"]
[White "Arat, Ufuk Sezen"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2409"]
[BlackElo "2277"]
[PlyCount "103"]
[EventDate "2015.07.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. 0-0 Bd6 7. b3 Qe7 8. Nc3 Nbd7 9. Qc2 Ne4 10. Bb2 0-0 11. e3 g5 12. Ne2 Qg7 13. a4 g4 14. Ne1 Ng5 15. Ba3 Bxa3 16. Rxa3 Qe7 17. Ra1 a5 18. Nf4 Kh8 19. Ned3 b6 20. Rfc1 Ba6 21. h4 gxh3 22. Nxh3 Nxh3+ 23. Bxh3 Rac8 24. Nf4 Qf6 25. cxd5 cxd5 26. Qb2 Nb8 27. Qa3 Rcd8 28. Rc7 Rf7 29. Rac1 Kg8 30. Bg2 Rdd7 31. R7c3 Rf8 32. Rc7 Rff7 33. Rxd7 Rxd7 34. Bf1 Bxf1 35. Kxf1 Kf7 36. Rc8 Rd8 37. Rc7+ Rd7 38. Rc8 Rd8 39. Qc1 Qe7 40. Rc7 Rd7 41. Rc2 Na6 42. Qd1 Rc7 43. Kg2 Ke8 44. Re2 Rc6 45. Re1 Nc7 46. Rh1 Kd7 47. Rh4 Kc8 48. Rh6 Rc3 49. Qh5 Rxb3 50. Nxe6 Nxe6 51. Qxf5 Rc3 52. Rxe6 1-0

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.23"]
[Round "8"]
[White "Okun, Leonid"]
[Black "Glek, Igor Vladimirovich"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2230"]
[BlackElo "2460"]
[PlyCount "21"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Bf4 Bf5 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. Rc1 1/2-1/2

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.23"]
[Round "9"]
[White "Shariafetdinov, Albert"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2132"]
[BlackElo "2230"]
[PlyCount "64"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. Bf4 f5 4. c4 d6 5. Nc3 Nf6 6. e3 0-0 7. Be2 c6 8. Qc2 h6 9. h3 Na6 10. Rd1 Qe8 11. Bh2 g5 12. a3 Ne4 13. Nxe4 fxe4 14. Nd2 Bf5 15. b4 c5 16. dxc5 dxc5 17. b5 Nb8 18. Bg4 Bg6 19. Be6+ Kh8 20. Nxe4 a6 21. a4 axb5 22. cxb5 b6 23. 0-0 Ra7 24. f4 gxf4 25. Rxf4 Nd7 26. Rxd7 Rxd7 27. Rxf8+ Bxf8 28. Bxd7 Qxd7 29. Nf6 Qe8 30. Ne4 Qa8 31. Qb2+ Bg7 32. Nc3 Qa5 0-1

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.22"]
[Round "7"]
[White "Savosto, Petr"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2256"]
[BlackElo "2230"]
[PlyCount "120"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 c5 2. d5 f5 3. g4 fxg4 4. h3 d6 5. hxg4 Bxg4 6. Qd3 Nf6 7. Bg5 Qa5+ 8. Nc3 Nbd7 9. f3 Bh5 10. e4 a6 11. Qd2 g6 12. Be2 b5 13. Nh3 Bg7 14. Nf4 0-0 15. Ne6 Rf7 16. Bh6 Bxh6 17. Qxh6 b4 18. Nd1 b3+ 19. Nc3 bxc2 20. Kd2 Rb8 21. Kxc2 Ne5 22. Ng5 Bxf3 23. Bxf3 Nxf3 24. Nxf7 Nd4+ 25. Kd3 c4+ 26. Kxc4 Qc5+ 27. Kd3 Nb5 28. Qe3 Qxe3+ 29. Kxe3 Kxf7 30. Nxb5 Rxb5 31. b3 Rb4 32. Rac1 Rxe4+ 33. Kd3 Re5 34. Kc4 h5 35. Rcd1 Ng4 36. Kd4 Ne3 37. Rc1 Nxd5 38. Rhe1 Rf5 39. Rf1 Nf4 40. Ke3 g5 41. b4 Re5+ 42. Kf3 Re2 43. Rg1 Kf6 44. Rc8 Rxa2 45. Rf8+ Kg7 46. Ra8 Ne6 47. b5 g4+ 48. Ke3 Ra3+ 49. Kd2 Nd4 50. Rb1 Rb3 51. Rh1 Rxb5 52. Rxa6 Kg6 53. Ra8 Nf5 54. Rg8+ Ng7 55. Ke3 Rf5 56. Ke4 d5+ 57. Ke3 e5 58. Ra1 Rf3+ 59. Ke2 Kh7 60. Rd8 d4 0-1

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.21"]
[Round "6"]
[White "Okun, Leonid"]
[Black "Nikologorskiy, Konstantin"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2230"]
[BlackElo "2398"]
[PlyCount "47"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 c5 3. c3 cxd4 4. cxd4 d5 5. e3 Bf5 6. Ngf3 Nc6 7. Bb5 Qb6 8. Qb3 a6 9. Ba4 Qc7 10. Bxc6+ Qxc6 11. Ne5 Qc7 12. 0-0 Bc2 13. Qc3 Rc8 14. Qxc7 Rxc7 15. b3 e6 16. Nb1 Be7 17. Ba3 Bxb1 18. Bxe7 Kxe7 19. Rfxb1 Rhc8 20. Nd3 b6 21. Rc1 Rc3 22. Kf1 Ne4 23. Rxc3 Rxc3 24. Ne1 1/2-1/2

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.21"]
[Round "5"]
[White "Soshnikov, Mikhail"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2256"]
[BlackElo "2230"]
[PlyCount "90"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 Bd6 4. Bd3 Nd7 5. Nbd2 c6 6. e4 Qb6 7. 0-0 Ne7 8. e5 Bc7 9. c3 c5 10. Re1 Bd8 11. c4 cxd4 12. cxd5 exd5 13. e6 fxe6 14. Nb3 0-0 15. Nbxd4 e5 16. Nxe5 Nxe5 17. Rxe5 Qf6 18. Qe1 Nc6 19. Nxc6 bxc6 20. Bg5 Qd6 21. Bxd8 Qxd8 22. Qe3 Qb6 23. Qxb6 axb6 24. a3 Bd7 25. Re7 Rad8 26. Rae1 g6 27. f3 Rf7 28. Kf2 Kf8 29. Rxf7+ Kxf7 30. h4 Re8 31. Rxe8 Bxe8 32. h5 Ke7 33. Ke3 Kd6 34. h6 c5 35. g4 Bf7 36. f4 c4 37. Bb1 Kc5 38. f5 d4+ 39. Kf4 d3 40. Ke5 gxf5 41. b4+ Kc6 42. Kf6 Bd5 43. Kg7 Kd6 44. Kxh7 Be4 45. Kg6 Ke5 0-1

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.20"]
[Round "4"]
[White "Okun, Leonid"]
[Black "Odnorozhenko, Evgenyi"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2230"]
[BlackElo "2264"]
[PlyCount "35"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. e3 Nf6 7. Bb5 a6 8. Bxc6+ bxc6 9. 0-0 Bd6 10. dxc5 Bxc5 11. b3 0-0 12. Bb2 Bg4 13. Ne2 Re8 14. Rc1 Ne4 15. Nf4 Rc8 16. Rxc5 Nxc5 17. Qd4 f6 18. Qxc5 1-0

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.19"]
[Round "2"]
[White "Okun, Leonid"]
[Black "Terentjev, Vladislav"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2230"]
[BlackElo "2295"]
[PlyCount "87"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Ne1 d6 8. Nc2 0-0 9. Ne3 Rb8 10. Ned5 a6 11. d3 b5 12. Nxe7+ Nxe7 13. Nd5 Be6 14. Qc2 Nf5 15. e3 h5 16. h3 Qd7 17. Rb1 Nh6 18. Kh2 f5 19. f4 Qd8 20. Qf2 e4 21. dxe4 bxc4 22. exf5 Nxf5 23. Qc2 Bd7 24. Rd1 Qa5 25. Bf1 Ba4 26. b3 cxb3 27. axb3 Bb5 28. Bxb5 Qxb5 29. g4 hxg4 30. hxg4 Nh4 31. Kg3 g5 32. fxg5 Rf3+ 33. Kxh4 Rb7 34. Qg2 Be5 35. g6 Qe8 36. Qxf3 Qxg6 37. Nf4 Rh7+ 38. Kg3 Qxb1 39. Qa8+ Kg7 40. Qb7+ Kf6 41. Qxa6 Bxf4+ 42. exf4 Re7 43. Qxd6+ Kf7 44. Qd5+ 1-0

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.19"]
[Round "3"]
[White "Zabotin, Alexander"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2448"]
[BlackElo "2230"]
[PlyCount "77"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. f4 Bg7 4. Nf3 Na6 5. Nc3 Nf6 6. Be3 0-0 7. Bd3 c5 8. d5 Nc7 9. a4 e6 10. dxe6 fxe6 11. 0-0 b6 12. Ng5 d5 13. e5 Nd7 14. Nb5 Nxe5 15. fxe5 Nxb5 16. axb5 c4 17. Rxf8+ Qxf8 18. Be2 Bd7 19. Nf3 Bxb5 20. Qd2 Qb8 21. Bd4 Qc7 22. c3 Rf8 23. Ng5 Bd7 24. Bg4 Re8 25. Qf4 Re7 26. Rf1 Bc8 27. Qe3 Qd7 28. h4 h6 29. Nh3 Qe8 30. Bd1 Rf7 31. Rxf7 Qxf7 32. Bc2 Bd7 33. Qg3 Be8 34. Nf4 Bf8 35. Bxg6 Qg7 36. h5 Qd7 37. Nxd5 exd5 38. e6 Bc5 39. Bf7+ 1-0

[Event "Suzdal Vladimir IM"]
[Site "Suzdal"]
[Date "2013.08.18"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Hakmedov, Kemal"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2230"]
[BlackElo "2039"]
[PlyCount "73"]
[EventDate "2013.08.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "2"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e6 3. d3 Nf6 4. f4 c5 5. Nf3 Nc6 6. 0-0 Be7 7. c3 Qc7 8. Qe1 b6 9. Na3 a6 10. e4 Bb7 11. e5 Nd7 12. Nc2 h6 13. d4 0-0-0 14. b4 c4 15. a4 Na7 16. Ne3 Rdg8 17. Qe2 g5 18. fxg5 hxg5 19. Ng4 Rg7 20. Be3 Kb8 21. Rf2 Qd8 22. Qd2 Qg8 23. Raf1 f5 24. exf6 Nxf6 25. Nxf6 Bxf6 26. Bxg5 Bxg5 27. Nxg5 Rxg5 28. Rf6 Rf5 29. R1xf5 exf5 30. Rxb6 Rh7 31. Qf4+ Ka8 32. Qe3 Nc6 33. b5 axb5 34. axb5 Qd8 35. Rxc6 Bxc6 36. bxc6 Ra7 37. h4 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.05.02"]
[Round "7"]
[White "Burtasova, Anna"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2299"]
[BlackElo "2272"]
[PlyCount "105"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Qa5 5. Nf3 Nf6 6. e5 Ng4 7. Bc4 0-0 8. 0-0 cxd4 9. Bxd4 Nc6 10. Nd5 e6 11. Nf6+ Nxf6 12. exf6 Bh8 13. Bc3 Qd8 14. Qd2 Bxf6 15. Qh6 e5 16. Rad1 Qe7 17. b4 a6 18. a4 d6 19. b5 axb5 20. axb5 Na5 21. Bxa5 Rxa5 22. Qd2 Ra3 23. Qb4 Rxf3 24. gxf3 Rd8 25. Rfe1 Bg5 26. Bd5 Qf6 27. Kf1 Bf4 28. b6 Bxh2 29. Ke2 Bf4 30. Rh1 h5 31. Rdg1 h4 32. Qc4 Kg7 33. Qc7 Re8 34. Be4 Kg8 35. Rd1 Rd8 36. Bxb7 Bxb7 37. Qxb7 e4 38. Qxe4 g5 39. b7 Rb8 40. Rb1 Qc3 41. Kf1 Qc5 42. c4 Qc7 43. Kg2 Qd7 44. Rhe1 h3+ 45. Kh1 Kg7 46. Qd5 Qc7 47. Rb5 Kg8 48. Ra1 Qe7 49. Qe4 Qf6 50. Ra8 Kg7 51. Rxb8 d5 52. Rg8+ Kh6 53. Rb6 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.05.01"]
[Round "6"]
[White "Okun, Leonid"]
[Black "Aharon, Ofir"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2272"]
[BlackElo "2134"]
[PlyCount "105"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. g3 g6 2. f4 d5 3. Nf3 Bg7 4. Bg2 Nf6 5. d3 c5 6. 0-0 Nc6 7. Qe1 0-0 8. e4 Rb8 9. e5 Ne8 10. Nc3 b5 11. Qf2 d4 12. Ne4 Qb6 13. a4 a6 14. a5 Qa7 15. Nfd2 Bb7 16. Nb3 c4 17. dxc4 bxc4 18. Nbd2 f6 19. exf6 Nxf6 20. Nxf6+ Bxf6 21. Nxc4 Qc5 22. b3 Nb4 23. Bxb7 Rxb7 24. Ba3 Qf5 25. Bxb4 Rxb4 26. Rad1 h5 27. Qe2 Kg7 28. Kg2 Rb5 29. Rd3 Rc8 30. Re1 h4 31. Qf3 hxg3 32. hxg3 Rh8 33. g4 Qc8 34. Rh1 Rxh1 35. Kxh1 g5 36. f5 Qb7 37. Kg2 Qxf3+ 38. Rxf3 Be5 39. Rh3 Bf6 40. Kf1 Kf7 41. Ke2 Ke8 42. Kd3 Kd7 43. Rh1 Kc7 44. Re1 Rc5 45. Re6 Rc6 46. Rxc6+ Kxc6 47. Nd2 Kd5 48. b4 Be5 49. Ne4 Bc7 50. Nxg5 Ke5 51. Ne6 Bd6 52. Nxd4 Kf4 53. b5 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.04.30"]
[Round "5"]
[White "Sidorenko, Ilya"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2357"]
[BlackElo "2272"]
[PlyCount "75"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8. Bh6 Qb6 9. Bd3 Qxb2 10. 0-0 Nd7 11. Qe2 Qa3 12. c4 c5 13. d5 Qb2 14. Qe3 Ne5 15. Nxe5 Qxe5 16. Qxc5 Qh5 17. Qb5+ Bd7 18. Qxb7 Rd8 19. Bd2 Bxa1 20. Rxa1 0-0 21. Ba5 Qe5 22. Re1 Qb8 23. Rb1 Qxb7 24. Rxb7 Bc6 25. Rxe7 Rd7 26. Rxd7 Bxd7 27. c5 Rb8 28. c6 Be8 29. c7 Rc8 30. Ba6 Bd7 31. Bxc8 Bxc8 32. Bb4 h5 33. f4 Kg7 34. Kf2 Kf6 35. Ke3 Bb7 36. Kd4 Kf5 37. Kc5 Kxf4 38. d6 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.04.29"]
[Round "4"]
[White "Okun, Leonid"]
[Black "Sidiropoulos, Nikolaos"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2272"]
[BlackElo "2081"]
[PlyCount "91"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 Ne5 8. c5 Nd5 9. Nxd5 exd5 10. Qxd5 Qa5+ 11. Nc3 Qb4 12. Bxe5 dxe5 13. e3 Be6 14. Qxe5 0-0-0 15. c6 Rd5 16. cxb7+ Kxb7 17. Qe4 Qxe4 18. Nxe4 Bb4+ 19. Nc3 Rc8 20. a3 Rxc3 21. axb4 Rc2 22. Be2 Rdd2 23. Bf3+ Bd5 24. Bxd5+ Rxd5 25. 0-0 Rxb2 26. Ra4 Rdd2 27. g3 Kb6 28. h4 a6 29. Kg2 f6 30. g4 Kb5 31. Ra5+ Kb6 32. Kg3 Rdc2 33. h5 h6 34. Ra4 Kb5 35. Ra5+ Kb6 36. f4 Rc3 37. Kf3 Rxb4 38. Rfa1 Rbb3 39. Rxa6+ Kc7 40. Ra7+ Kd8 41. Ra8+ Ke7 42. R1a7+ Kd6 43. Rd8+ Ke6 44. Re8+ Kd6 45. Rxg7 Rc1 46. Rd8+ 1-0

[Event "Thessaloniki Triandria op 2nd"]
[Site "Thessaloniki"]
[Date "2009.04.28"]
[Round "2"]
[White "Okun, Leonid"]
[Black "Bagaturov, Giorgi"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2272"]
[BlackElo "2467"]
[PlyCount "66"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Bb2 Bb7 8. Ne5 Nbd7 9. f4 c6 10. e3 Qc7 11. d4 Ne4 12. Nc3 Nxc3 13. Bxc3 Nf6 14. cxd5 cxd5 15. Rc1 Rac8 16. Bb2 Qd6 17. Rf2 Rxc1 18. Qxc1 Rc8 19. Rc2 Rxc2 20. Qxc2 Ne8 21. Bf1 f6 22. Bd3 fxe5 23. dxe5 Qc6 24. Bxh7+ Kh8 25. Qg6 Ba6 26. Bd4 Be2 27. Kf2 Bg4 28. Qb1 Nc7 29. Bg6 Qa8 30. Bf7 Bf5 31. Qd1 g6 32. Qc1 Qf8 33. Qxc7 Qxf7 0-1

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.08"]
[Round "9"]
[White "Zavialov, Vladimir"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2157"]
[BlackElo "2277"]
[PlyCount "60"]
[EventDate "2009.01.31"]
[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 g6 2. Nf3 Bg7 3. Bf4 Nf6 4. e3 0-0 5. h3 c5 6. c3 b6 7. Nbd2 Bb7 8. Bc4 Nc6 9. 0-0 d6 10. Qe2 a6 11. a4 Re8 12. Rfd1 e5 13. dxe5 dxe5 14. Bg5 Qc7 15. Bxf6 Bxf6 16. Ne4 Be7 17. Nfg5 Rf8 18. Nxf7 Rxf7 19. Qg4 Nd8 20. Rd7 Qc6 21. Rxe7 Qxe4 22. Qxe4 Bxe4 23. Rd1 Kf8 24. Rxe5 Bc2 25. Rd2 Rf5 26. Rxf5+ Bxf5 27. g4 Be4 28. f3 Bc6 29. b3 Ke7 30. Kf2 Nb7 0-1

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.07"]
[Round "8"]
[White "Okun, Leonid"]
[Black "Gevondian, Arman"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2277"]
[BlackElo "2081"]
[PlyCount "111"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c6 4. Nf3 Nf6 5. 0-0 0-0 6. d3 d5 7. Nbd2 Qc7 8. Qc2 Bg4 9. h3 Bxf3 10. Nxf3 Nbd7 11. Rb1 Ne5 12. cxd5 Nxd5 13. Nxe5 Qxe5 14. e4 Nb4 15. Qb3 Qb5 16. Rd1 Rfd8 17. Bf1 Bd4 18. Bd2 Na6 19. Qxb5 cxb5 20. Rdc1 Rac8 21. b4 Rc6 22. Rxc6 bxc6 23. Be2 Rc8 24. Kf1 e5 25. Bd1 Nb8 26. Ke2 a6 27. a4 Kg7 28. f4 f6 29. Bb3 Rc7 30. h4 Ra7 31. h5 Rb7 32. h6+ Kf8 33. fxe5 Bxe5 34. g4 g5 35. Be3 bxa4 36. Bc5+ Ke8 37. Bxa4 Kd7 38. Rf1 a5 39. d4 Bf4 40. Rb1 axb4 41. Rxb4 Rxb4 42. Bxb4 Bd6 43. Be1 Bf8 44. d5 Bxh6 45. Bg3 Kc8 46. dxc6 Bf8 47. Bb5 Bc5 48. Kd3 Bb6 49. Kc4 Bc7 50. Bxc7 Kxc7 51. Kd5 Kb6 52. Kd6 Nxc6 53. Bxc6 h5 54. gxh5 g4 55. h6 g3 56. e5 1-0

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.06"]
[Round "7"]
[White "Rublev, Sergey"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2128"]
[BlackElo "2277"]
[PlyCount "50"]
[EventDate "2009.01.31"]
[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 g6 2. d4 Bg7 3. f4 c5 4. c3 Qc7 5. Nf3 b6 6. Bd3 Nc6 7. Na3 cxd4 8. Nb5 Qb8 9. Nbxd4 Nf6 10. e5 Ng8 11. 0-0 Bb7 12. Qe2 Nxd4 13. Nxd4 a6 14. Be4 e6 15. g3 Bf8 16. Qf3 Ra7 17. Be3 Ne7 18. Rad1 Nd5 19. Rd3 Be7 20. f5 Nxe3 21. fxg6 Nf5 22. gxf7+ Kf8 23. Nxf5 exf5 24. Bxb7 Qxb7 25. Qxf5 Qc6 1-0

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.05"]
[Round "6"]
[White "Okun, Leonid"]
[Black "Yudkevich, Mikhail"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2277"]
[BlackElo "2190"]
[PlyCount "74"]
[EventDate "2009.01.31"]
[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 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c5 5. 0-0 Nc6 6. c3 Be7 7. Nbd2 cxd4 8. cxd4 0-0 9. Nb3 b6 10. Ne5 Bb7 11. Bf4 Rc8 12. Nc1 Ne4 13. Nxc6 Bxc6 14. Nd3 Bb5 15. Re1 a5 16. f3 Nd6 17. Be3 Nf5 18. Bf2 Qd7 19. e4 Nd6 20. Ne5 Qb7 21. exd5 exd5 22. Bh3 Rc7 23. Rc1 Bg5 24. Rxc7 Qxc7 25. Be3 Bxe3+ 26. Rxe3 Nc4 27. Rc3 Qd6 28. Qe2 Re8 29. a4 Bxa4 30. b3 Qa3 31. Rd3 Bxb3 32. Bf1 Qa2 33. Qe1 f6 34. Qc3 fxe5 35. Qxb3 Qxb3 36. Rxb3 a4 37. Rb4 Ra8 0-1

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.04"]
[Round "5"]
[White "Poghosyan, Suren"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2218"]
[BlackElo "2277"]
[PlyCount "71"]
[EventDate "2009.01.31"]
[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 g6 2. e4 Bg7 3. Nf3 d6 4. c4 c5 5. dxc5 Qa5+ 6. Bd2 Qxc5 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 Be6 10. Rc1 Re8 11. Be3 Qa5 12. Nd4 Bd7 13. Nb3 Qd8 14. c5 Bc6 15. Qc2 dxc5 16. Rfd1 Qc8 17. Nxc5 Nbd7 18. Nb3 b6 19. Bd4 Qb7 20. e5 Nd5 21. e6 N7f6 22. exf7+ Kxf7 23. Nxd5 Bxd5 24. Bxf6 Kxf6 25. Qd2 Be4 26. Qf4+ Bf5 27. Bf3 Qb8 28. Qc4 Rc8 29. Qd5 Qf4 30. g3 Qa4 31. Rd4 Qe8 32. Re1 e6 33. Qb7 Rd8 34. g4 Bc2 35. g5+ Kxg5 36. Qxg7 1-0

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.03"]
[Round "4"]
[White "Okun, Leonid"]
[Black "Kapov, Albert"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2277"]
[BlackElo "2176"]
[PlyCount "137"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. b3 g6 4. Bb2 Bg7 5. e3 0-0 6. Be2 d5 7. 0-0 Nbd7 8. Qc2 Re8 9. d4 Ne4 10. Bd3 f5 11. Nc3 e6 12. Rad1 b6 13. Ne2 Bb7 14. Nf4 Rc8 15. Be2 Qe7 16. Rc1 Red8 17. Rfd1 g5 18. Nh5 Bh8 19. Ne5 Ndf6 20. f3 Nd6 21. Nxf6+ Bxf6 22. c5 Nf7 23. f4 g4 24. a4 Qc7 25. Ba3 Be7 26. Qc3 Kf8 27. Bb4 Re8 28. Qc2 Nh6 29. Rf1 Kg7 30. Kh1 Bf6 31. Qd2 Ng8 32. cxb6 axb6 33. a5 Be7 34. axb6 Qxb6 35. Ba5 Qa7 36. Ra1 Qb8 37. Bb6 Bd8 38. Bc5 Nf6 39. Bd3 Be7 40. Qb4 Bxc5 41. Qxc5 Rc7 42. Ra7 Ree7 43. Rfa1 Qc8 44. Kg1 Ne8 45. Qa5 Nd6 46. Qe1 h6 47. Qh4 Qe8 48. h3 gxh3 49. Qxh3 c5 50. g4 c4 51. bxc4 dxc4 52. Bc2 Be4 53. Rxc7 Rxc7 54. Bxe4 fxe4 55. g5 hxg5 56. fxg5 Nf5 57. d5 Qh8 58. Qg4 Qh4 59. Qxh4 Nxh4 60. d6 Rc8 61. Ra7+ Kf8 62. Nd7+ Kg8 63. Nf6+ Kf8 64. Rh7 Ng6 65. Nxe4 Rd8 66. Kf1 Kg8 67. Rc7 Ne5 68. Ke2 Nf7 69. g6 1-0

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.01"]
[Round "3"]
[White "Natacheev, Peter"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2179"]
[BlackElo "2277"]
[PlyCount "94"]
[EventDate "2009.01.31"]
[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 d6 2. d4 Nf6 3. Bd3 g6 4. Ne2 Bg7 5. 0-0 0-0 6. c3 c5 7. Nd2 Qc7 8. h3 Nc6 9. Bb1 cxd4 10. cxd4 Bd7 11. Nf3 Rac8 12. Nc3 e5 13. dxe5 dxe5 14. Be3 Rfd8 15. Qe2 Be6 16. Rd1 Rxd1+ 17. Qxd1 Rd8 18. Qa4 a6 19. Ng5 Bc8 20. Qb3 Nd4 21. Bxd4 exd4 22. Ne2 h6 23. Nf3 Be6 24. Qd1 Qb6 25. Bd3 Nd7 26. Nf4 Nc5 27. Nxe6 Qxe6 28. Qc2 Rc8 29. Rc1 Rc6 30. Qxc5 Rxc5 31. Rxc5 Qxa2 32. e5 b5 33. Be4 d3 34. Bxd3 Qa1+ 35. Kh2 Qxb2 36. e6 fxe6 37. Bxg6 Bf8 38. Rc6 Qf6 39. Bh5 a5 40. Bg4 a4 41. Rxe6 Qb2 42. Ra6 Qxf2 43. Rf6 Kg7 44. Re6 a3 45. Bf5 a2 46. Rg6+ Kh8 47. Ra6 Bd6+ 0-1

[Event "Moscow op-B"]
[Site "Moscow"]
[Date "2009.02.01"]
[Round "2"]
[White "Okun, Leonid"]
[Black "Ibragimov, Ali"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2277"]
[BlackElo "2089"]
[PlyCount "97"]
[EventDate "2009.01.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. d3 d5 4. Nd2 e5 5. Bg2 Bd6 6. Qc2 Be6 7. Ngf3 h6 8. 0-0 0-0 9. a3 a5 10. b3 Nbd7 11. Bb2 Re8 12. Rfe1 b5 13. Rec1 Rc8 14. e3 Nh7 15. Bf1 f5 16. d4 e4 17. Ne1 bxc4 18. bxc4 g5 19. Bh3 g4 20. Bf1 Ng5 21. Qa4 Nh3+ 22. Bxh3 gxh3 23. Bc3 Qg5 24. c5 Bb8 25. Nf1 f4 26. Bxa5 h5 27. exf4 Bxf4 28. Rc2 Ra8 29. Qb4 h4 30. Qc3 Bf5 31. Bb4 e3 32. Re2 hxg3 33. hxg3 exf2+ 34. Rxf2 Re3 35. Nf3 Qg7 36. Nxe3 Qxg3+ 37. Kf1 Be4 38. Nd1 Re8 39. Raa2 Nf6 40. Rg2 hxg2+ 41. Rxg2 Nh5 42. Nf2 Bf5 43. Rxg3+ Nxg3+ 44. Kg2 Re2 45. Ng5 Re3 46. Qxe3 Bxe3 47. Kxg3 Bxg5 48. Ng4 Bd8 49. Ne5 1-0

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.08"]
[Round "9"]
[White "Oganian, Miran"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1875"]
[BlackElo "2295"]
[PlyCount "16"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 0-1

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.07"]
[Round "8"]
[White "Okun, Leonid"]
[Black "Karamanov, Dmitry"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2295"]
[BlackElo "2191"]
[PlyCount "61"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 g6 4. h3 Bg7 5. Ngf3 Nh6 6. Bd3 f6 7. 0-0 0-0 8. Re1 Nd7 9. c4 dxe4 10. Nxe4 Nf5 11. c5 b6 12. Qc2 bxc5 13. Nxc5 Nb6 14. Bd2 Nd5 15. Ne6 Bxe6 16. Rxe6 Nd6 17. Qxc6 Nb6 18. Qc2 Rc8 19. Qb3 Kh8 20. Rae1 Ndc4 21. Bb4 Re8 22. a4 Qc7 23. Rxe7 Rxe7 24. Rxe7 Qf4 25. a5 Nd5 26. Bxc4 Nxe7 27. Bxe7 Qc7 28. Bc5 Bh6 29. a6 Rb8 30. Qc3 Re8 31. b4 1-0

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.06"]
[Round "7"]
[White "Airapetian, Valentin"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1908"]
[BlackElo "2295"]
[PlyCount "34"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 Qa5 8. Qd2 Nxd4 9. Bxd4 Nxe4 10. Nxe4 Qxd2+ 11. Nxd2 Bxd4 12. c3 Bg7 13. Ne4 0-0 14. 0-0-0 d6 15. Rhe1 Bf5 16. f4 Rac8 17. Bd5 Rc7 0-1

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.05"]
[Round "6"]
[White "Okun, Leonid"]
[Black "Karaev, Seit"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2295"]
[BlackElo "2075"]
[PlyCount "70"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Be6 6. Nf3 Nc6 7. 0-0 Be7 8. d4 Nxc3 9. bxc3 e4 10. Ne1 f5 11. Rb1 Rb8 12. Qa4 0-0 13. f3 Bg5 14. f4 Be7 15. Nc2 Qd5 16. Rb2 b5 17. c4 Qxc4 18. Qxc4 Bxc4 19. Kf2 Bf6 20. Be3 Rfd8 21. Rd1 Ne7 22. Ke1 Nd5 23. Bd2 c5 24. Ba5 Rd7 25. e3 b4 26. a3 b3 27. a4 Bd3 28. Rd2 bxc2 29. Rxb8+ Kf7 30. Rxc2 Bxc2 31. Bf1 Bxa4 32. dxc5 Nxe3 33. Ba6 Nc2+ 34. Kf1 e3 35. Bc8 Rd1+ 0-1

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.05"]
[Round "5"]
[White "Schur, Alexander"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2011"]
[BlackElo "2295"]
[PlyCount "27"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 e5 7. Nc3 Nc7 8. d3 Be7 9. Be3 Be6 10. b3 Nd5 11. Ne1 Rc8 12. Bd2 0-0 13. Nc2 Qd7 14. Re1 1-0

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.03"]
[Round "4"]
[White "Okun, Leonid"]
[Black "Anohin, Dmitry"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2295"]
[BlackElo "2035"]
[PlyCount "47"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c6 5. Qc2 Be7 6. 0-0 Nbd7 7. d3 Qc7 8. a3 0-0 9. Re1 Re8 10. Nbd2 Nf8 11. b3 Ng6 12. Bb2 b6 13. e4 dxe4 14. dxe4 e5 15. Nf1 h6 16. h4 Bf8 17. Ne3 Bd7 18. Nf5 Qc8 19. Rad1 Nxe4 20. Rxd7 Nxg3 21. fxg3 Qxd7 22. h5 Bc5+ 23. Kh2 e4 24. Rxe4 1-0

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.02"]
[Round "3"]
[White "Goncharova, Nadezhda"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2009"]
[BlackElo "2295"]
[PlyCount "32"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. c4 f5 4. Nc3 Nf6 5. f3 d6 6. e4 Bg7 7. Bd3 fxe4 8. Bxe4 0-0 9. Nge2 Nbd7 10. Ng3 a6 11. 0-0 b5 12. cxb5 c4 13. Bc2 axb5 14. Be3 Qa5 15. a3 Nc5 16. f4 Nfd7 0-1

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.09.01"]
[Round "2"]
[White "Okun, Leonid"]
[Black "Petrova, Olga"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2295"]
[BlackElo "2185"]
[PlyCount "78"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. f4 d5 4. Nf3 c5 5. 0-0 Bg7 6. d3 Nc6 7. Qe1 d4 8. c3 Be6 9. Bd2 Qb6 10. Qc1 Rc8 11. c4 0-0 12. h3 Bd7 13. Na3 Ne8 14. Nc2 Nd6 15. Rb1 a5 16. Qe1 Ra8 17. e4 e5 18. fxe5 Nxe5 19. Nxe5 Bxe5 20. b3 Qc7 21. Bf4 Rae8 22. Bh6 Bg7 23. Bxg7 Kxg7 24. g4 f6 25. Qh4 Re6 26. Ne1 Nf7 27. Nf3 Ne5 28. Nxe5 Qxe5 29. Rf2 g5 30. Qh5 Be8 31. Rf5 Qd6 32. Rxg5+ fxg5 33. Qxg5+ Rg6 34. Qd2 Qf4 35. Qxa5 b6 36. Qe1 h5 37. gxh5 Rg3 38. b4 Qg5 39. Qe2 Bxh5 0-1

[Event "Anapa op"]
[Site "Anapa"]
[Date "2008.08.31"]
[Round "1"]
[White "Blagonadezhnaya, Idea"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1979"]
[BlackElo "2295"]
[PlyCount "108"]
[EventDate "2008.08.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. 0-0 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Nc3 0-0 9. f3 Bd7 10. Qd2 Rc8 11. Bb3 Ne5 12. Rad1 a6 13. Bh6 Nc4 14. Bxc4 Rxc4 15. Bxg7 Kxg7 16. Nd5 Nxd5 17. exd5 b5 18. Qf2 Re8 19. c3 a5 20. a3 b4 21. cxb4 axb4 22. b3 Rc5 23. Nc6 Bxc6 24. dxc6 bxa3 25. Qxc5 dxc5 26. Rxd8 Rxd8 27. Ra1 Rc8 28. Rxa3 Rxc6 29. Kf2 Kf6 30. Ke3 Re6+ 31. Kd3 Re1 32. Ra6+ Ke5 33. Ra5 Kd6 34. Kc4 Rc1+ 35. Kd3 h5 36. Ra6+ Kd5 37. Ra7 Re1 38. Ra8 Rg1 39. Ra2 h4 40. h3 e5 41. Ra5 Rxg2 42. b4 Rg3 43. Rxc5+ Kd6 44. Ke4 f5+ 45. Ke3 e4 46. Kd4 exf3 47. Ke3 Rxh3 48. Rc8 g5 49. b5 f4+ 50. Kf2 g4 51. b6 Rh2+ 52. Kg1 g3 53. b7 f2+ 54. Kf1 Rh1+ 0-1

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.19"]
[Round "7"]
[White "Okun, Leonid"]
[Black "Chekhov, Sergey"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2370"]
[BlackElo "2227"]
[PlyCount "55"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nge2 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nf6 8. Bg2 0-0 9. 0-0 Bg4 10. f3 Be6 11. Nd5 Rc8 12. c3 Qd7 13. Bg5 h6 14. Bxf6 exf6 15. f4 f5 16. exf5 Bxf5 17. Ne3 Bh3 18. Bxh3 Qxh3 19. Qf3 b5 20. Rfd1 Rfd8 21. f5 b4 22. Qd5 Ne7 23. Qb7 Nxf5 24. Nxf5 gxf5 25. Qxb4 Re8 26. Rd2 Re4 27. Qxd6 Rce8 28. Qd3 1/2-1/2

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.18"]
[Round "6"]
[White "Podkopaev, Mikhail"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "2161"]
[BlackElo "2370"]
[PlyCount "68"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. Nge2 0-0 6. 0-0 c6 7. d3 d5 8. f4 d4 9. Nb1 f6 10. Nd2 Na6 11. Nf3 c5 12. fxe5 fxe5 13. Bg5 h6 14. Bd2 Be6 15. a3 Kh7 16. h3 c4 17. g4 Nc5 18. Bb4 Qb6 19. Qd2 a5 20. Bxc5 Qxc5 21. Kh2 Rac8 22. Ng3 a4 23. Rfe1 c3 24. bxc3 dxc3 25. Qe2 Nc6 26. Rab1 Rc7 27. Rf1 Rcf7 28. Kh1 Nd4 29. Qe3 Qd6 30. Ne1 Bf6 31. Qc1 Bh4 32. Rxf7+ Rxf7 33. Kh2 Bxg3+ 34. Kxg3 Ne2+ 0-1

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.16"]
[Round "5"]
[White "Okun, Leonid"]
[Black "Magrifin, Iljanur"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2370"]
[BlackElo "2227"]
[PlyCount "118"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Bd7 9. 0-0 Nxd4 10. Bxd4 Bc6 11. Qd2 0-0 12. f3 Nd7 13. Be3 a5 14. b3 Nc5 15. Rac1 Qb6 16. Rfd1 Rfc8 17. Nb5 Qd8 18. Bf1 Qf8 19. Rc2 Kh8 20. Qf2 b6 21. Qd2 f5 22. exf5 Qxf5 23. Nd4 Qh5 24. Nxc6 Rxc6 25. Bg5 Ne6 26. Qd5 Qxg5 27. Qxc6 Rf8 28. Qe4 Nd4 29. Rf2 Qc5 30. Rd3 e5 31. g3 Bh6 32. Kg2 Nf5 33. Re2 Nd4 34. Rf2 Nf5 35. f4 exf4 36. gxf4 Nh4+ 37. Kg3 Nf5+ 38. Kf3 Bxf4 39. Rd5 Qe3+ 40. Qxe3 Nxe3 41. Rb5 Nd1 42. Rc2 Bxh2+ 43. Ke2 Rxf1 44. Kxf1 Ne3+ 45. Ke2 Nxc2 46. Rxb6 h5 47. Ra6 h4 48. Kf3 Be5 49. Kg4 g5 50. Kxg5 Kg7 51. Kxh4 Kf7 52. Rxa5 Ke6 53. Ra7 Bd4 54. Ra8 Be5 55. Kg4 Kd7 56. Kf5 Kc6 57. Ke4 Kb7 58. Ra4 Kb6 59. Kd3 Nd4 1/2-1/2

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.15"]
[Round "4"]
[White "Volk, Sergey"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "2113"]
[BlackElo "2370"]
[PlyCount "56"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 g6 2. c4 f5 3. Nc3 Nf6 4. g3 Bg7 5. Bg2 d6 6. e4 fxe4 7. Nxe4 Nxe4 8. Bxe4 0-0 9. Bg5 Nc6 10. Be3 e5 11. Nf3 exd4 12. Bd5+ Kh8 13. Nxd4 Ne5 14. 0-0 c6 15. Be6 c5 16. Bd5 cxd4 17. Bxd4 Bg4 18. f3 Rxf3 19. Bxf3 Bxf3 20. Qb3 Bc6 21. Rad1 Qd7 22. Qc3 Qg4 23. Qe3 Re8 24. Qf4 Nf3+ 25. Rxf3 Qxf3 26. Bxg7+ Kxg7 27. Qxf3 Bxf3 28. Rxd6 Re2 0-1

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.14"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Zaletov, Yuri"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2370"]
[BlackElo "2129"]
[PlyCount "41"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. c4 e5 2. g3 c6 3. Bg2 d5 4. Qc2 Nf6 5. d3 Be6 6. Nd2 Qb6 7. Ngf3 Nbd7 8. 0-0 Be7 9. a3 a5 10. b3 0-0 11. Bb2 d4 12. Rfe1 Rae8 13. e3 c5 14. h3 h6 15. Re2 Bd6 16. Rae1 Bf5 17. Nh4 Be6 18. e4 Nh5 19. Bc1 g6 20. Nf1 Kg7 21. Qd1 0-1

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.13"]
[Round "2"]
[White "Semenova, Irina"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2212"]
[BlackElo "2370"]
[PlyCount "69"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 Qb6 8. Nf5 Qxb2 9. Nxg7+ Kf8 10. Bh6 Qxa1 11. Ne6+ Kg8 12. Nc7 Rb8 13. Nd5 Nxd5 14. cxd5 Ne5 15. d6 e6 16. Be2 f6 17. Be3 Qxa2 18. 0-0 Kg7 19. f4 Nf7 20. g4 b5 21. g5 fxg5 22. Qd4+ e5 23. fxe5 Qxe2 24. e6+ Kh6 25. Rxf7 Qg4+ 26. Kh1 Qxe6 27. Re7 Qh3 28. Nd2 Bb7 29. Re5 Qg4 30. Bxg5+ Qxg5 31. Rxg5 Kxg5 32. Nf3+ Kf4 33. Kg2 Rbe8 34. Kf2 Rhf8 35. Qe3+ 1-0

[Event "Voronezh op-A 11th"]
[Site "Voronezh"]
[Date "2007.06.12"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Savchenko, Boris"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2370"]
[BlackElo "2583"]
[PlyCount "102"]
[EventDate "2007.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. 0-0 a6 7. Qxc4 b5 8. Qc2 Bb7 9. d3 Be7 10. Nc3 0-0 11. a4 b4 12. Nd1 c5 13. Ne3 Rc8 14. Nc4 Nb6 15. Rd1 Nfd7 16. e4 Nb8 17. Na5 Ba8 18. Be3 Bf6 19. Nb3 Bd4 20. Bxd4 cxd4 21. Qd2 Nc6 22. a5 Nd7 23. Nfxd4 Nxd4 24. Nxd4 Qe7 25. Rac1 Ne5 26. Nb3 f5 27. d4 Nd7 28. d5 Rxc1 29. Rxc1 fxe4 30. Bxe4 Bxd5 31. Bxd5 exd5 32. Qxd5+ Kh8 33. Nd4 Nf6 34. Qc5 Qf7 35. Ne6 Re8 36. Ng5 Qg6 37. Nh3 Qe4 38. Qc4 Qf5 39. Nf4 Qxa5 40. Qf7 Qe5 41. Rc7 Rg8 42. b3 Ne4 43. Qd7 Nd2 44. Kg2 Qe4+ 45. Kh3 Nf3 46. Rc8 h6 47. Rxg8+ Kxg8 48. Qc8+ Kh7 49. Qxa6 Ng1+ 50. Kg4 h5+ 51. Kh4 Qf5 0-1

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.15"]
[Round "9"]
[White "Okun, Leonid"]
[Black "Doukhine, Iokhan"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2370"]
[BlackElo "2332"]
[PlyCount "79"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. g3 d5 2. f4 Nf6 3. Nf3 g6 4. Bg2 Bg7 5. d3 0-0 6. 0-0 c5 7. Qe1 Nc6 8. e4 Rb8 9. Nc3 d4 10. Nb1 b5 11. h3 c4 12. Na3 Ba6 13. Bd2 Nd7 14. e5 Nb6 15. Ng5 Qc7 16. e6 f5 17. g4 c3 18. bxc3 dxc3 19. Bxc3 Nd4 20. Kh1 h6 21. Bxd4 Bxd4 22. Nf7 Bxa1 23. Qxa1 Kh7 24. Qe1 Qc5 25. Qh4 Rxf7 26. exf7 Qxa3 27. gxf5 gxf5 28. Qh5 e6 29. Rg1 Qc3 30. Qh4 Nd7 31. Qe7 Nf8 32. Bf3 Rc8 33. Qxa7 Qa5 34. Qd4 Qc3 35. Rg7+ Kh8 36. Rg8+ Kh7 37. Qxc3 Rxc3 38. Rxf8 Kg7 39. Ra8 Kxf7 40. Ra7+ 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.14"]
[Round "8"]
[White "Karatorossian, David"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2332"]
[BlackElo "2370"]
[PlyCount "82"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d4 d6 8. e3 Re8 9. b3 e4 10. Nd2 Bf5 11. a3 h5 12. h3 Nb8 13. b4 Nbd7 14. c5 d5 15. c6 bxc6 16. Nb3 Nb6 17. Bd2 Nh7 18. Na5 Qd7 19. Kh2 Ng5 20. h4 Bg4 21. Ne2 Nf3+ 22. Bxf3 Bxf3 23. Qe1 Bf8 24. Ng1 Bd6 25. Nxf3 exf3 26. Rh1 Re6 27. Qf1 Nc8 28. Qh3 Ne7 29. Rhc1 Rb8 30. Kg1 Rb6 31. Rc2 Qe8 32. Rac1 Rf6 33. Be1 Nf5 34. Rc3 Bf8 35. Bd2 Bh6 36. R3c2 Re6 37. Qf1 Nxh4 38. gxh4 Re4 39. Qh3 Rg4+ 40. Kf1 Qe4 41. Rc3 Rxh4 0-1

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.13"]
[Round "7"]
[White "Okun, Leonid"]
[Black "Gong, Qianyun"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2370"]
[BlackElo "2355"]
[PlyCount "69"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. g3 c5 2. Bg2 Nc6 3. Nc3 g6 4. e4 Bg7 5. Nge2 e6 6. 0-0 Nge7 7. f4 d5 8. d3 0-0 9. Kh1 Rb8 10. a3 b5 11. f5 gxf5 12. exd5 exd5 13. Nf4 Be6 14. Re1 Qd7 15. Nh5 Ng6 16. Nxg7 Kxg7 17. Ne2 Rbe8 18. d4 f6 19. dxc5 d4 20. Nf4 Nce5 21. Nxe6+ Rxe6 22. Qh5 Ng4 23. Rf1 Re5 24. c6 Qe6 25. h3 Ne3 26. Bxe3 dxe3 27. Qe2 Ne7 28. a4 b4 29. Qa6 Rf7 30. Qxa7 Nxc6 31. Qb6 e2 32. Rfe1 Re4 33. a5 Rd7 34. a6 Kh8 35. Kg1 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.12"]
[Round "6"]
[White "Nakhapetiane, Pogos"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2383"]
[BlackElo "2370"]
[PlyCount "81"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 Qa5 11. Rc1 d6 12. Be2 Bd7 13. b3 Bc6 14. Nd5 Qxd2+ 15. Kxd2 b6 16. b4 h5 17. Rhd1 g5 18. g3 Be5 19. Rf1 Rc8 20. f4 gxf4 21. gxf4 Bd4 22. Rg1 Kf8 23. h4 Bxe3+ 24. Kxe3 Be8 25. f5 Nd8 26. f6 exf6 27. Nxf6 Nc6 28. c5 dxc5 29. bxc5 Ke7 30. Nxe8 Rhxe8 31. cxb6 axb6 32. Bb5 Ne5 33. Bxe8 Rxe8 34. Rg5 f6 35. Rg7+ Ke6 36. Rb7 Ra8 37. Rxb6+ Kf7 38. Rc7+ Kg6 39. Rbb7 Ra3+ 40. Ke2 Rxa2+ 41. Kd1 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.11"]
[Round "5"]
[White "Okun, Leonid"]
[Black "Movsesian, Julia"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2370"]
[BlackElo "2366"]
[PlyCount "109"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. f4 d6 8. h3 Ne8 9. d3 e6 10. Be3 Nd4 11. Rb1 Rb8 12. Qd2 Qa5 13. Nc1 b5 14. Nb3 Qc7 15. Qf2 b4 16. Nd1 Nc6 17. Nd2 a5 18. Re1 a4 19. Nf3 e5 20. f5 gxf5 21. exf5 Bxf5 22. Nxe5 Bxe5 23. Qxf5 Ng7 24. Qf2 Nd4 25. Bf4 Ndf5 26. Bxe5 dxe5 27. Be4 Ne7 28. Ne3 f5 29. Bg2 Ng6 30. Nc4 Kh8 31. Re2 Rbe8 32. Rbe1 f4 33. g4 f3 34. Bxf3 Nf4 35. Qg3 Nxe2+ 36. Rxe2 Qd7 37. Be4 Nh5 38. Qh4 Nf4 39. Re3 Rf7 40. Kh2 Nd5 41. Re1 Nf6 42. Bg6 Nd5 43. Bxf7 Qxf7 44. Qg3 Rf8 45. Qxe5+ Kg8 46. Re2 Qf3 47. Nd2 Qf7 48. Ne4 a3 49. bxa3 Nf4 50. Rf2 bxa3 51. Ng5 Nxd3 52. Qh8+ Kxh8 53. Nxf7+ Rxf7 54. Rxf7 Nb4 55. Rc7 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.10"]
[Round "4"]
[White "Sergeev, A."]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2379"]
[BlackElo "2370"]
[PlyCount "86"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 d6 5. Nf3 Nf6 6. Be2 0-0 7. 0-0 Na6 8. Bg5 Nc7 9. a4 Rb8 10. Nd2 Bd7 11. Nc4 a6 12. e5 dxe5 13. Nxe5 Bf5 14. Bf3 Nce8 15. Qe2 Nd6 16. Rfe1 Re8 17. Bf4 h5 18. h3 Qa5 19. g4 hxg4 20. hxg4 Qb4 21. Bc1 Nd7 22. Nxf7 Nxf7 23. gxf5 Nfe5 24. a5 Qh4 25. Ra4 c4 26. Kg2 gxf5 27. Rh1 Qf6 28. Bh5 f4 29. Ne4 Qf5 30. Rh4 Bh6 31. f3 Rf8 32. Kf1 Nf6 33. Qg2+ Kh7 34. Nxf6+ Rxf6 35. Rb4 Rg8 36. Qh2 Qd7 37. Qd2 Rg3 38. Qd4 Rh3 39. Qe4+ Kh8 40. Bg4 Nxg4 41. Rxh3 Ne3+ 42. Bxe3 Qxh3+ 43. Ke2 fxe3 0-1

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.09"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Nedochetov, Mikhail"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2370"]
[BlackElo "2372"]
[PlyCount "91"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. f4 g6 4. Nf3 Bg7 5. Nc3 Nf6 6. d3 0-0 7. 0-0 d4 8. Nb1 Nd5 9. Na3 a5 10. Bd2 a4 11. Qc1 Na6 12. c3 dxc3 13. bxc3 Nc5 14. Qc2 Nc7 15. Be3 N7a6 16. Rab1 Qc7 17. Nc4 b5 18. Nce5 Bb7 19. d4 Nd7 20. c4 Nxe5 21. dxe5 b4 22. c5 Qa5 23. Nd2 Qb5 24. Nc4 Rad8 25. Be4 Bc8 26. Nb6 Bf5 27. Bxf5 gxf5 28. Nxa4 Nc7 29. Nb6 Qa5 30. Rb2 e6 31. Rfb1 Nb5 32. Nc4 Qa6 33. Rxb4 Nd4 34. Qb2 Nb5 35. Nd6 Nxd6 36. cxd6 Rd7 37. Qc2 Rfd8 38. a4 f6 39. Rb6 Qa7 40. Qb3 fxe5 41. Qxe6+ Kh8 42. fxe5 Qxa4 43. Rb8 Qe4 44. Bf4 h5 45. Qxd7 Qxb1+ 46. Rxb1 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.08"]
[Round "2"]
[White "Vuilleumier, Alexandre"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2354"]
[BlackElo "2370"]
[PlyCount "64"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. Bc4 d6 5. 0-0 Nc6 6. d4 Nf6 7. d5 Nb8 8. Re1 0-0 9. h3 Nbd7 10. Bf4 Ne8 11. Nbd2 Nc7 12. a4 a6 13. Qc2 b6 14. Bf1 Rb8 15. Nc4 f6 16. Nfd2 Rf7 17. Bg3 f5 18. exf5 gxf5 19. Nf3 h6 20. Bxd6 exd6 21. Nxd6 Rf6 22. Nxf5 Nf8 23. Ne7+ Kh8 24. Nc6 Qxd5 25. Nxb8 Qb7 26. Nxa6 Nxa6 27. Rad1 Nb8 28. Qe4 Qc7 29. Qe7 Nbd7 30. Ne5 Kg8 31. Bc4+ Kh7 32. Ng4 Rf4 1-0

[Event "Moscow Aeroflot op-C"]
[Site "Moscow"]
[Date "2006.02.07"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Khruschiov, Alexey"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2370"]
[BlackElo "2408"]
[PlyCount "107"]
[EventDate "2006.02.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. g3 e5 4. Nc3 d6 5. d4 Nd7 6. Bg2 Ngf6 7. 0-0 0-0 8. b3 Re8 9. Bb2 c6 10. Qd2 e4 11. Ne1 d5 12. cxd5 cxd5 13. Rc1 a6 14. Na4 h5 15. Ba3 b5 16. Nc5 Nf8 17. f3 h4 18. g4 Bxg4 19. fxg4 Nxg4 20. e3 Bh6 21. Nc2 Qg5 22. Kh1 Nxe3 23. Nxe3 Qxe3 24. Qxe3 Bxe3 25. Rcd1 f5 26. Bc1 Bxc1 27. Rxc1 Re7 28. Bh3 Rh7 29. Rc2 Raa7 30. Rg2 Kh8 31. Kg1 Rh5 32. Kf2 Kg7 33. Ke3 Kf6 34. a4 b4 35. a5 Rh8 36. Rc2 Nh7 37. Na4 Re8 38. Rc6+ Re6 39. Rfc1 Nf8 40. Nb6 Rf7 41. Nxd5+ Kg7 42. Nf4 Ref6 43. d5 Nd7 44. Rg1 Kh7 45. Rxg6 Rxg6 46. Rxg6 Nc5 47. Rc6 Nxb3 48. d6 Nxa5 49. Rc7 Rxc7 50. dxc7 Nc4+ 51. Kd4 Nd6 52. Kc5 b3 53. Kxd6 b2 54. Bxf5+ 1-0

[Event "RUS Central Region-chT club"]
[Site "Tula"]
[Date "2005.11.28"]
[Round "4"]
[White "Okun, Leonid"]
[Black "Smirnov, Alexander"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "2311"]
[BlackElo "2201"]
[PlyCount "75"]
[EventDate "2005.11.25"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d3 d5 5. Nf3 d4 6. Nb1 Be7 7. Bg2 0-0 8. 0-0 Nfd7 9. e3 c5 10. Na3 Nc6 11. Nc2 f5 12. exd4 cxd4 13. Re1 a5 14. a3 Bf6 15. Rb1 a4 16. Nb4 Re8 17. Nd2 Nxb4 18. axb4 Qb6 19. Nf3 h6 20. b5 e4 21. Nd2 e3 22. Nf3 f4 23. gxf4 Nc5 24. fxe3 dxe3 25. Bxe3 Bf5 26. Bf2 Qd6 27. Ne5 Kh7 28. d4 Bxe5 29. fxe5 Qg6 30. dxc5 Rad8 31. Qc1 Rd3 32. Qf4 Red8 33. Qxf5 Qxf5 34. Be4 Kg6 35. e6 a3 36. bxa3 Rxa3 37. e7 Re8 38. c6 1-0

[Event "RUS Central Region-chT club"]
[Site "Tula"]
[Date "2005.11.27"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Tishin, Petr"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2311"]
[BlackElo "2418"]
[PlyCount "66"]
[EventDate "2005.11.25"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. g3 e5 2. c4 c5 3. Nc3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nf3 Nge7 7. Bd2 d6 8. Qc1 0-0 9. h4 h5 10. Bh6 f6 11. 0-0 Be6 12. Rb1 Rc8 13. Bxg7 Kxg7 14. Qd2 d5 15. cxd5 Nxd5 16. Rfc1 b6 17. a3 Qd7 18. Ne4 a5 19. Qd1 Rfd8 20. Ned2 Rb8 21. b3 Bg4 22. Nh2 Be6 23. Nc4 Nd4 24. Ne3 Nb5 25. Ra1 Ndc3 26. Qd2 Nxe2+ 27. Qxe2 Nd4 28. Qb2 Nxb3 29. Bf1 a4 30. Nf3 b5 31. Rab1 Nxc1 32. Rxc1 Rdc8 33. Be2 Bg4 1/2-1/2

[Event "RUS Central Region-chT club"]
[Site "Tula"]
[Date "2005.11.26"]
[Round "2"]
[White "Fomin, Andrey2222"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2294"]
[BlackElo "2311"]
[PlyCount "44"]
[EventDate "2005.11.25"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nd7 4. Nf3 Qc7 5. Bf4 e5 6. Bg3 Ngf6 7. Nbd2 Be7 8. Be2 0-0 9. 0-0 a6 10. Re1 Re8 11. Bf1 b5 12. h3 Rb8 13. dxe5 dxe5 14. Nh2 c4 15. Ndf3 Bb7 16. Qc2 Nh5 17. Bh4 Nc5 18. Bxe7 Rxe7 19. g3 Nf6 20. Nd2 Ra8 21. Bg2 Nd3 22. Re2 Qc5 1-0

[Event "RUS Central Region-chT club"]
[Site "Tula"]
[Date "2005.11.25"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Solovyov, Sergey V"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2311"]
[BlackElo "2064"]
[PlyCount "48"]
[EventDate "2005.11.25"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "RUS"]
[SourceTitle "CBM 109 Extra"]
[Source "ChessBase"]
[SourceDate "2006.01.03"]
[SourceVersion "2"]
[SourceVersionDate "2006.01.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 Nbd7 5. Bc4 Be7 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Ne6 Qe8 9. Nxc7 Qg6 10. Nxa8 Qxg2 11. Rf1 exd4 12. Qe2 Nc5 13. f3 Qh3 14. Nb5 Nfxe4 15. Nxd4 Bh4+ 16. Kd1 Nf6 17. Nc7 h6 18. Rg1 Kh7 19. b4 Nce4 20. Qg2 Qxg2 21. Rxg2 Bh3 22. Re2 Nc3+ 23. Kd2 Nxe2 24. Nxe2 Bd7 1/2-1/2

[Event "Voronezh op"]
[Site "Voronezh"]
[Date "2005.06.21"]
[Round "9"]
[White "Yandemirov, Valeri"]
[Black "Okun, Leonid"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2503"]
[BlackElo "2259"]
[PlyCount "103"]
[EventDate "2005.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Nxd4 7. Qxd4 g6 8. Nc3 Bg7 9. Be3 0-0 10. Qd2 Be6 11. Be2 a5 12. 0-0 a4 13. Rac1 Nd7 14. Kh1 Qa5 15. Nd5 Bxd5 16. Qxa5 Rxa5 17. cxd5 Bxb2 18. Rc7 Nc5 19. Rxe7 Rb8 20. Rc7 Bf6 21. Bf4 Be5 22. Bxe5 dxe5 23. Rc1 b6 24. d6 Rd8 25. Rc6 Nd7 26. Rc8 Ra8 27. Rxa8 Rxa8 28. Rc7 Rd8 29. Bc4 Nc5 30. Rxf7 Kh8 31. h4 Rxd6 32. Re7 Rd4 33. Bd5 Nd3 34. Re8+ Kg7 35. Re7+ Kh8 36. Rb7 Nf4 37. Rb8+ Kg7 38. Rb7+ Kf8 39. Rxb6 Rd1+ 40. Kh2 Rd2 41. Ra6 Rxg2+ 42. Kh1 Rf2 43. Rxa4 Rxf3 44. Ra7 Rh3+ 45. Kg1 Rxh4 46. a4 Nxd5 47. exd5 Rd4 48. Rxh7 Rxd5 49. Ra7 Ke8 50. a5 Rd7 51. Ra8+ Kf7 52. a6 1/2-1/2

[Event "Voronezh op"]
[Site "Voronezh"]
[Date "2005.06.19"]
[Round "7"]
[White "Alavkin, Arseny Nailievich"]
[Black "Okun, Leonid"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2501"]
[BlackElo "2259"]
[PlyCount "86"]
[EventDate "2005.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 g6 6. 0-0 Bg7 7. Re1 0-0 8. d5 Na5 9. Nbd2 b6 10. b4 Nb7 11. Bb2 e6 12. Qb3 Qc7 13. a3 h6 14. Rad1 Nh5 15. Bf1 e5 16. g3 f5 17. exf5 Rxf5 18. Nh4 Qf7 19. Ne4 Bd7 20. Ba6 Rf8 21. Qc2 g5 22. Nxf5 Bxf5 23. Bxb7 Qxb7 24. Nxd6 Bxc2 25. Nxb7 Bxd1 26. Rxd1 Rb8 27. Nd6 Nf6 28. c4 Nd7 29. Nf5 cxb4 30. axb4 Bf8 31. d6 Kf7 32. Ba3 Ke6 33. g4 Rc8 34. c5 a5 35. cxb6 axb4 36. Bxb4 Rc4 37. Ba3 Rxg4+ 38. Ng3 Nxb6 39. f3 Ra4 40. Rd3 Rd4 41. Rxd4 exd4 42. Ne4 Bg7 43. Kf2 Be5 1/2-1/2

[Event "Voronezh op"]
[Site "Voronezh"]
[Date "2005.06.14"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Sidorov, Anatoly"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2259"]
[BlackElo "2374"]
[PlyCount "83"]
[EventDate "2005.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. g3 e6 5. Bg2 b5 6. a4 b4 7. Nb1 Bb7 8. d3 Nc6 9. 0-0 Nf6 10. Re1 Nd7 11. d4 cxd4 12. Nxd4 Be7 13. Be3 0-0 14. Nd2 Qc7 15. Nxc6 Bxc6 16. b3 Bf6 17. Ra2 Bc3 18. Re2 Nf6 19. Bf4 e5 20. Bg5 Ne8 21. Nc4 a5 22. Bd2 Bd4 23. Be3 Bc5 24. Nxe5 Bxe3 25. Nxc6 Bc5 26. e5 Ra6 27. Qd5 Kh8 28. Ra1 Qb6 29. exd6 Nxd6 30. Ne5 Ra7 31. Rd1 Rc7 32. Bh3 f5 33. Kf1 g6 34. Rd3 Qb7 35. Qxb7 Rxb7 36. Bg2 Rc7 37. Rd5 Kg7 38. Nd3 Nb5 39. Nf4 Rff7 40. Ne6+ Kf6 41. Nxc7 Rxc7 42. Rde5 1-0

[Event "Voronezh op"]
[Site "Voronezh"]
[Date "2005.06.12"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Bryzgalin, Kirill"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2259"]
[BlackElo "2464"]
[PlyCount "86"]
[EventDate "2005.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. f4 c5 4. Nf3 Nc6 5. d3 g6 6. Na3 Bg7 7. c4 0-0 8. 0-0 b6 9. cxd5 Nxd5 10. Nc4 Bb7 11. a3 Rc8 12. Bd2 Qc7 13. e4 Nf6 14. Bc3 Rfd8 15. Qe2 Ba6 16. Rfd1 Ne8 17. e5 Qb8 18. h4 Nc7 19. Bh3 Nd5 20. Bxc8 Qxc8 21. Kh2 Nc7 22. Rac1 Ne6 23. b4 Qa8 24. h5 Bh6 25. bxc5 Nxc5 26. Bb4 Nb3 27. Rc3 Nbd4 28. Nxd4 Nxd4 29. Qe3 Nf3+ 30. Kh3 Bc8+ 31. g4 gxh5 32. Bxe7 Bxg4+ 33. Kg3 Rd4 34. Bg5 Bxg5 35. fxg5 Qd5 36. Rf1 h4+ 37. Kf2 b5 38. Nd2 Nxd2 39. Qxd2 Qxe5 40. Rg1 Rf4+ 41. Kg2 h3+ 42. Kh1 Bf3+ 43. Kh2 Rg4+ 0-1

[Event "Voronezh op-B"]
[Site "Voronezh"]
[Date "2004.06.19"]
[Round "8"]
[White "Chernyshev, Alexander"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "B37"]
[WhiteElo "2167"]
[BlackElo "2227"]
[PlyCount "77"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. e4 Be6 8. Be2 Bxc3+ 9. bxc3 Nf6 10. f3 Qa5 11. 0-0 Rc8 12. Rb1 b6 13. Bh6 Nd7 14. f4 Bxc4 15. Bxc4 Qc5+ 16. Ne3 Qxe3+ 17. Kh1 Qxe4 18. Bd5 Qf5 19. Bg7 Rg8 20. g4 Qxb1 21. Qxb1 Rxg7 22. g5 e6 23. Re1 Ne7 24. Be4 d5 25. Bd3 Kf8 26. Bb5 Nc5 27. h4 h5 28. Kh2 Rg8 29. Be2 Kg7 30. Qb2 Rgd8 31. Rd1 Nf5 32. Qb4 Kg8 33. Kh3 Ne4 34. Rc1 d4 35. Bf3 Nf2+ 36. Kg2 Nd3 37. Qb1 Nxc1 38. Qxc1 Nxh4+ 39. Kg3 0-1

[Event "Voronezh op-B"]
[Site "Voronezh"]
[Date "2004.06.14"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Jakovenko, Igor"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2227"]
[BlackElo "2039"]
[PlyCount "33"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. g3 e5 2. c4 d6 3. Nc3 g6 4. Bg2 Bg7 5. Rb1 Ne7 6. Nf3 c6 7. d4 e4 8. Nxe4 Bf5 9. Nh4 Bxe4 10. Bxe4 h6 11. 0-0 g5 12. Nf5 Nxf5 13. Bxf5 0-0 14. e4 Nd7 15. f4 Nb6 16. fxg5 hxg5 17. Qh5 1-0

[Event "Voronezh op-B"]
[Site "Voronezh"]
[Date "2004.06.13"]
[Round "2"]
[White "Doroshenko, Diana"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A43"]
[BlackElo "2227"]
[PlyCount "76"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 Na6 3. Bf4 Nf6 4. e3 Nxc5 5. c3 g6 6. Nd2 Bg7 7. Ngf3 0-0 8. Qc2 d5 9. Nb3 Bf5 10. Qd1 Na4 11. Qc1 Ne4 12. Nbd2 Rc8 13. Nd4 e5 14. Nxf5 gxf5 15. Bg3 d4 16. Nxe4 fxe4 17. Bb5 Nxc3 18. bxc3 Qa5 19. Be2 Rxc3 20. Qd2 dxe3 21. fxe3 Rd8 22. Qxd8+ Qxd8 23. 0-0 Qg5 24. Bf2 Bf8 25. Kh1 Bc5 26. Rad1 Rc2 27. h4 Qe7 28. Bb5 Rxf2 29. Rxf2 Qxh4+ 30. Kg1 Bxe3 31. Rdf1 f5 32. Bd7 Kg7 33. Be6 f4 34. Bf5 b5 35. Bxe4 b4 36. Bc2 Qg3 37. Be4 h5 38. Bf5 h4 0-1

[Event "Voronezh op-B"]
[Site "Voronezh"]
[Date "2004.06.12"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Shabanov, Gennadij S"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2227"]
[BlackElo "1908"]
[PlyCount "42"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bf5 5. d3 e6 6. Nbd2 Bd6 7. g3 Nbd7 8. Bg2 0-0 9. 0-0 Bg6 10. Nh4 Bh5 11. h3 a5 12. Qe1 Rc8 13. e4 Nc5 14. Qe3 dxc4 15. dxc4 e5 16. Nf5 Ne6 17. Nxd6 Qxd6 18. g4 Bg6 19. Nf3 Nd4 20. Nxd4 exd4 21. Bxd4 Rcd8 1-0

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.22"]
[Round "9"]
[White "Kozlov, Viktor Mihail"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2319"]
[BlackElo "2227"]
[PlyCount "82"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. Bd2 Be6 8. e4 f5 9. exf5 gxf5 10. Qh5+ Kf8 11. Qh4 Rc8 12. Be2 Qe8 13. 0-0 Nf6 14. Ne3 Ne5 15. Ned5 Qf7 16. Rac1 Rg8 17. Bg5 Ng6 18. Qg3 Nxd5 19. cxd5 Bd7 20. Bh5 f4 21. Qd3 Be5 22. Bh6+ Ke8 23. Ne2 Qf6 24. Rxc8+ Bxc8 25. Qc4 Kf7 26. Nxf4 b5 27. Qb4 a5 28. Qd2 b4 29. b3 Bb7 30. g3 Qf5 31. Rd1 Rc8 32. Bxg6+ hxg6 33. Ne6 Bf6 34. h4 Rc2 35. Qe3 Bxd5 36. Nd4 Qg4 37. Nxc2 Qxd1+ 38. Ne1 Qg4 39. Qd3 Qe4 40. Qxe4 Bxe4 41. Kf1 Bb1 0-1

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.21"]
[Round "8"]
[White "Okun, Leonid"]
[Black "Tarasov, Igor"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2227"]
[BlackElo "2289"]
[PlyCount "90"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bb4+ 7. Nc3 Nf6 8. Be2 Ne4 9. Bd2 Bxc3 10. bxc3 Nxd2 11. Qxd2 0-0 12. Rb1 a6 13. 0-0 b5 14. Qf4 Qd6 15. Qxd6 cxd6 16. a4 Bf5 17. Rb2 bxa4 18. Ra2 Ne7 19. Rxa4 Nd5 20. Rc1 a5 21. Nd2 Nb6 22. Ra3 d5 23. g4 Be6 24. f3 a4 25. Rb1 Rfb8 26. Rb4 Bd7 27. Kf2 Nc8 28. Rxb8 Rxb8 29. Bd1 Rb2 30. Bxa4 Bxa4 31. Rxa4 Rxd2+ 32. Ke3 Nb6 33. Rb4 Rb2 34. Rxb2 Nc4+ 35. Kf4 g5+ 36. Kf5 Nxb2 37. Ke5 Nd1 38. Kxd5 Nxc3+ 39. Ke5 Ne2 40. d5 Kf8 41. d6 h6 42. Kf6 Nd4 43. Ke5 Ne6 44. Kf6 Nd8 45. Kf5 Ne6 0-1

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.20"]
[Round "7"]
[White "Okun, Leonid"]
[Black "Krasnov, Yury"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2227"]
[BlackElo "2444"]
[PlyCount "53"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 c6 8. Nf3 0-0 9. 0-0 Qa5 10. Qc2 Na6 11. d4 Rb8 12. Bf4 Nc7 13. Nd2 Be6 14. Rb4 Rfc8 15. Ra4 Qb5 16. Ne4 Bg4 17. f3 Bf5 18. Rb1 Qd5 19. Qd3 g5 20. Bxc7 Rxc7 21. Rxa7 e5 22. Nf6+ Bxf6 23. Qxf5 Qd6 24. dxe5 Qc5+ 25. Kh1 Qxa7 26. exf6 Qe3 27. f4 1-0

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.19"]
[Round "6"]
[White "Okrugin, Sergey"]
[Black "Okun, Leonid"]
[Result "1-0"]
[ECO "B74"]
[WhiteElo "2395"]
[BlackElo "2227"]
[PlyCount "65"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7. Be2 0-0 8. 0-0 d6 9. Kh1 a5 10. a4 Be6 11. f4 Qc8 12. Be3 Nb4 13. Nd4 Bg4 14. Ndb5 Bxe2 15. Qxe2 Qg4 16. Qd2 Rfc8 17. Rae1 Qh5 18. Bd4 Rc4 19. h3 d5 20. exd5 Qh4 21. Kg1 Rd8 22. d6 exd6 23. Bb6 Rd7 24. Bxa5 d5 25. b3 Rxc3 26. Nxc3 Nc6 27. Bb6 d4 28. Ne4 Nd5 29. Bc5 Bh6 30. g3 Qxh3 31. Qh2 Qxh2+ 32. Kxh2 Ne3 33. Nf6+ 1-0

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.18"]
[Round "5"]
[White "Okun, Leonid"]
[Black "Chemagin, Kirill"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2227"]
[PlyCount "51"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. g3 Nf6 2. f4 g6 3. Nf3 d6 4. Bg2 Bg7 5. d3 Nbd7 6. Nc3 0-0 7. 0-0 c6 8. e4 e5 9. f5 d5 10. Nh4 dxe4 11. dxe4 b6 12. Be3 Qe7 13. g4 g5 14. Bxg5 Qc5+ 15. Rf2 Qb4 16. Rb1 Nc5 17. a3 Qd4 18. Qf3 Qd6 19. Rd1 Qe7 20. Qg3 h6 21. Be3 Kh7 22. Bf3 Rg8 23. Ng2 Bf8 24. Qh3 Ba6 25. Rfd2 Bg7 26. g5 1-0

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.17"]
[Round "4"]
[White "Sobol, Alexander"]
[Black "Okun, Leonid"]
[Result "1/2-1/2"]
[ECO "A40"]
[BlackElo "2227"]
[PlyCount "96"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 c5 3. Nf3 Bg7 4. dxc5 Na6 5. g3 Nxc5 6. Bg2 Qa5+ 7. Nbd2 Nf6 8. 0-0 0-0 9. a3 Qc7 10. b4 Ne6 11. Bb2 d6 12. Qb3 Bd7 13. e4 Ng4 14. h3 Ne5 15. Nxe5 dxe5 16. Nf3 Bc6 17. Rfe1 Rfd8 18. c5 a6 19. Bf1 Nd4 20. Nxd4 exd4 21. Bc4 e5 22. a4 Be8 23. Ba3 Qd7 24. Bd5 Rab8 25. Kg2 Kh8 26. Bb2 f5 27. Be6 Qc6 28. f3 fxe4 29. fxe4 Bd7 30. Bd5 Qc8 31. h4 a5 32. b5 Qxc5 33. Ba3 Qb6 34. Rf1 Rbc8 35. Rac1 Rxc1 36. Bxc1 Rc8 37. Bd2 Qc7 38. Rc1 Qb6 39. Rf1 Bf6 40. Qf3 Kg7 41. h5 h6 42. hxg6 Rc2 43. Rf2 Kxg6 44. Bf7+ Kxf7 45. Qb3+ Qe6 46. Qxc2 Qg4 47. Qb3+ Be6 48. Qf3 Qg6 1/2-1/2

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.16"]
[Round "3"]
[White "Okun, Leonid"]
[Black "Arakelov, Ilya Sergeevich"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2227"]
[BlackElo "2401"]
[PlyCount "162"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. h4 Qa5 14. Qg5 Qxg5 15. hxg5 Nd7 16. Bxg7 Kxg7 17. Rh4 f6 18. gxf6+ Nxf6 19. Be2 g5 20. Rh2 a6 21. Rdh1 Rh8 22. a4 Raf8 23. Kc1 Nd7 24. Kd2 Ne5 25. Ke3 Ng6 26. Bd3 Nh4 27. Rf2 Rf6 28. Ne2 Rhf8 29. Rxh4 gxh4 30. g5 R6f7 31. f4 h6 32. g6 Kxg6 33. Nd4 Bc8 34. e5+ Kg7 35. e6 Rf6 36. f5 Rg8 37. Rh2 Kf8 38. Rxh4 b6 39. Be4 a5 40. b3 Rg3+ 41. Kd2 Ba6 42. c4 Ke8 43. Kc2 Rg7 44. Ne2 d5 45. Bxd5 Rxf5 46. Rxh6 Kd8 47. Rh2 Kc7 48. Nd4 Rf1 49. Kd2 Rg3 50. Rh7 Kd6 51. Rf7 Rgg1 52. Nf5+ Ke5 53. Ne3 Rf6 54. Rxe7 Bc8 55. Re8 Bxe6 56. Bxe6 Rxe6 57. Rxe6+ Kxe6 58. Nd5 Ke5 59. Nxb6 Kd4 60. Nd5 Rg2+ 61. Kc1 Rh2 62. Kb1 Kd3 63. Kc1 Rc2+ 64. Kb1 Kd2 65. Ne3 Rc3 66. Nf1+ Ke1 67. Nh2 Rxb3+ 68. Kc2 Rg3 69. c5 Rg2+ 70. Kc3 Rxh2 71. Kc4 Rb2 72. c6 Kd2 73. c7 Rc2+ 74. Kb5 Rxc7 75. Kxa5 Rb7 76. Ka6 Rb1 77. a5 Kc3 78. Ka7 Kc4 79. a6 Kc5 80. Ka8 Kb6 81. a7 Rh1 0-1

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.15"]
[Round "2"]
[White "Ivanova, Anna"]
[Black "Okun, Leonid"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "2227"]
[PlyCount "100"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 Qc7 4. Nf3 Bg7 5. Be2 d6 6. 0-0 Nd7 7. Na3 a6 8. h3 Ngf6 9. Bd3 0-0 10. Re1 e5 11. dxc5 Nxc5 12. Bg5 b5 13. Bxf6 Bxf6 14. Qe2 Bb7 15. Rad1 Rfe8 16. Nc2 d5 17. Nd2 Rad8 18. exd5 Nxd3 19. Qxd3 Rxd5 20. Qe2 Bg7 21. Ne3 Rd7 22. Nb3 Red8 23. Rxd7 Rxd7 24. Rd1 Rxd1+ 25. Qxd1 f5 26. Qd2 Kf7 27. Qe2 h5 28. Nd2 Qc6 29. Nf3 Bf6 30. Nc2 Qe4 31. Kf1 Qxe2+ 32. Kxe2 Ke6 33. Nb4 g5 34. Ne1 h4 35. Nbd3 Kd6 36. f3 Bd5 37. a3 Be7 38. Nc2 e4 39. Ndb4 exf3+ 40. gxf3 Bc4+ 41. Kf2 a5 42. Na6 b4 43. axb4 Bxa6 44. bxa5 f4 45. Nd4 Kd5 46. Ke1 Bd8 47. b4 Bf6 48. Ne2 Bxe2 49. Kxe2 Bxc3 50. a6 Bd4 0-1

[Event "RUS Central Region-ch"]
[Site "Tula"]
[Date "2004.03.14"]
[Round "1"]
[White "Okun, Leonid"]
[Black "Andreikin, Dmitry"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2227"]
[BlackElo "2418"]
[PlyCount "70"]
[EventDate "2004.03.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. b4 0-0 6. Rb1 e5 7. d3 Nh5 8. e4 Nc6 9. Nge2 f5 10. exf5 gxf5 11. b5 Ne7 12. Bg5 Nf6 13. 0-0 h6 14. Be3 Ng6 15. Nd5 Ng4 16. Bd2 f4 17. Nec3 Kh8 18. Ne4 Ne7 19. Nxe7 Qxe7 20. a4 Bd7 21. Bf3 h5 22. h3 Nf6 23. Nxf6 Rxf6 24. Bxb7 Raf8 25. Bg2 f3 26. Bh1 Bxh3 27. Bg5 Bh6 28. Bh4 Qg7 29. Re1 Rf4 30. Re4 Rxe4 31. dxe4 Rf4 32. Bxf3 Rxh4 33. Bxh5 Be3 34. Qf3 Bc5 35. Kh2 Bg4+ 0-1

[Event "Voronezh Master op"]
[Site "Voronezh"]
[Date "2003.06.13"]
[Round "2"]
[White "Okun, Leonid"]
[Black "Shishkin, Vadim"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2349"]
[BlackElo "2449"]
[PlyCount "92"]
[EventDate "2003.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nb6 5. Bg2 g6 6. Nf3 Bg7 7. 0-0 Nc6 8. Rb1 0-0 9. d3 Re8 10. Bd2 e5 11. Ne1 Nd4 12. b4 c6 13. a4 Bg4 14. h3 Be6 15. e3 Nf5 16. a5 Nd5 17. Na4 Nfe7 18. Nc5 Bc8 19. Qa4 Nc7 20. e4 b6 21. Nb3 Ba6 22. Nc1 Ne6 23. Be3 Qc7 24. Nb3 f5 25. Qa2 Kh8 26. Nd2 f4 27. gxf4 exf4 28. axb6 axb6 29. Bxb6 Qxb6 30. Qxe6 Nf5 31. Nc4 Bxc4 32. Qxc4 Ng3 33. Nf3 Nxf1 34. Kxf1 Qb5 35. Qxb5 cxb5 36. d4 Ra4 37. e5 Rd8 38. e6 Bf6 39. Re1 Kg7 40. d5 Kf8 41. Rd1 Ra1 42. Rxa1 Bxa1 43. Ng5 Ke7 44. Nxh7 Be5 45. Ng5 Bb8 46. Nf3 Rxd5 0-1

