[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.21"]
[Round "9"]
[White "Sokolovsky, Victor"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2049"]
[BlackElo "2203"]
[PlyCount "96"]
[EventDate "2012.06.12"]
[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 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 b5 5. Bb3 Bg4 6. Nf3 Nxd5 7. Nc3 Nxc3 8. bxc3 e6 9. 0-0 Qf6 10. d4 c6 11. a4 b4 12. Bd2 bxc3 13. Bxc3 Bd6 14. Re1 Bxf3 15. Qxf3 Qxf3 16. gxf3 0-0 17. Rad1 Na6 18. Re4 Nc7 19. Ba1 Rab8 20. Rd3 Nd5 21. c4 Nb4 22. Rde3 Rfd8 23. h4 Be7 24. h5 Bf6 25. Bc3 Nd5 26. cxd5 cxd5 27. Ba5 dxe4 28. Bxd8 Rxd8 29. Rxe4 Bxd4 30. Kg2 Kf8 31. f4 Bb6 32. f3 Rd2+ 33. Kg3 Bf2+ 34. Kh3 Bd4 35. Bc4 Ke7 36. f5 e5 37. f4 Kf6 38. Kg4 Rg2+ 39. Kf3 Rf2+ 40. Kg4 g6 41. fxg6 fxg6 42. hxg6 hxg6 43. fxe5+ Bxe5 44. Bb5 Rg2+ 45. Kf3 Rg3+ 46. Kf2 Ra3 47. Bd7 Ra2+ 48. Kf3 Ra3+ 1/2-1/2

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.20"]
[Round "8"]
[White "Koba, Igor"]
[Black "Samojlov, Anton"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2203"]
[BlackElo "2290"]
[PlyCount "80"]
[EventDate "2012.06.12"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nbd2 Nxd2 12. Bxd2 Be7 13. Bc3 Rc8 14. Qd2 0-0 15. Rac1 Qd8 16. Rc2 b5 17. b3 Ba3 18. Bb2 Bxb2 19. Rxb2 Qa5 20. Qxa5 Nxa5 21. Kf1 Rc7 22. Ke2 Rfc8 23. Rd1 Nc6 24. Rdd2 f6 25. exf6 gxf6 26. Ne1 a5 27. Nc2 b4 28. Ne3 Na7 29. Rbc2 Nb5 30. Rxc7 Rxc7 31. f4 Rc1 32. f5 Kf7 33. Kd3 Nc3 34. fxe6+ Kxe6 35. g4 Ra1 36. a4 Ra3 37. Kc2 Nxa4 38. Nf5 Nc3 39. h4 Ra1 40. Rg2 Ra2+ 0-1

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.19"]
[Round "7"]
[White "Koba, Igor"]
[Black "Klimentov, Roman"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2203"]
[BlackElo "2274"]
[PlyCount "89"]
[EventDate "2012.06.12"]
[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 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bg4 5. h3 Bh5 6. Re1 e6 7. c3 Nf6 8. g4 Bg6 9. d3 Nd7 10. Nbd2 Be7 11. Nf1 a6 12. Ba4 b5 13. Bc2 h5 14. Ng3 hxg4 15. hxg4 Nf6 16. Nh2 Kd7 17. f4 Rh3 18. Ngf1 Qh8 19. f5 Qh4 20. Re3 Bh7 21. Rxh3 Qxh3 22. d4 cxd4 23. cxd4 e5 24. dxe5 Nxe5 25. g5 Nh5 26. a4 f6 27. g6 Bg8 28. Ra3 Qh4 29. axb5 Bc4 30. bxa6 Rxa6 31. Rxa6 Bxa6 32. Be3 Bd8 33. Ba4+ Ke7 34. Qd5 Bc8 35. Qg8 Bd7 36. Bxd7 Kxd7 37. Qe6+ Kc7 38. Qd5 Nf4 39. Bxf4 Qxf4 40. Nd2 Qg3+ 41. Kh1 Nd3 42. Qc4+ Kb7 43. Qd5+ Ka7 44. Qa2+ Kb8 45. Qb3+ 1/2-1/2

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.18"]
[Round "6"]
[White "Gusarov, Grigory"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2349"]
[BlackElo "2203"]
[PlyCount "80"]
[EventDate "2012.06.12"]
[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 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. e4 c6 9. Re1 Qb6 10. Na4 Qc7 11. c5 dxc5 12. dxc5 Rd8 13. Qc2 Nf8 14. h3 Ne6 15. Be3 Nh5 16. Rad1 Bd7 17. Bf1 Be8 18. Bc4 Qe7 19. Kh2 Rxd1 20. Rxd1 Rd8 21. Bxe6 Rxd1 22. Bxf7+ Qxf7 23. Qxd1 Qxa2 24. Qd8 Nf6 25. Bg5 Qe6 26. Nc3 h6 27. Bxf6 Bxf6 28. Qb8 Qe7 29. Qxa7 Bf7 30. Kg2 Kg7 31. Qb6 Qd7 32. Qb4 Be6 33. g4 Kh7 34. Ng1 h5 35. gxh5 gxh5 36. Nce2 h4 37. Qc3 Qg7+ 38. Kf1 Qg5 39. Qb4 Qg7 40. Qc3 Qg5 1/2-1/2

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.16"]
[Round "5"]
[White "Sheremet, Anton"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2113"]
[BlackElo "2203"]
[PlyCount "89"]
[EventDate "2012.06.12"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. 0-0 a6 10. a3 Qc7 11. e4 Rb8 12. Qe2 Nd7 13. a4 e5 14. b3 f5 15. exf5 gxf5 16. Bb2 b6 17. Nd1 Nb7 18. f4 Nd8 19. Ne3 exf4 20. Bxg7 Kxg7 21. Rxf4 Ne5 22. Raf1 Ng6 23. Nxf5+ Bxf5 24. Rxf5 Rxf5 25. Rxf5 Nf7 26. Ne4 Qe7 27. Qb2+ Nfe5 28. Ng5 Kg8 29. Ne6 b5 30. cxb5 axb5 31. axb5 Rxb5 32. h4 Nd7 33. h5 Nge5 34. Qc2 Nf7 35. Qe2 Rb4 36. Rf4 Rxf4 37. gxf4 Qh4 38. Qb2 Nf6 39. Qa1 Ne8 40. Qd1 Nh6 41. Qf3 Ng4 42. Bh3 Nef6 43. Kg2 Nh6 44. Qg3+ Qxg3+ 45. Kxg3 1/2-1/2

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.15"]
[Round "4"]
[White "Koba, Igor"]
[Black "Nevioselaya, Maria"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2203"]
[BlackElo "2026"]
[PlyCount "71"]
[EventDate "2012.06.12"]
[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. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 0-0 8. e5 Nd5 9. Nxd4 Nxd4 10. Qxd4 Nb6 11. Bb3 d6 12. exd6 Bxd6 13. Bf4 Bxf4 14. Qxf4 Be6 15. Nc3 Bxb3 16. cxb3 Nd5 17. Nxd5 Qxd5 18. Qxc7 Rac8 19. Qe7 Rc2 20. Rad1 Rd2 21. Rxd2 Qxd2 22. Qe2 Qa5 23. a3 g6 24. b4 Qa4 25. h4 h5 26. Qe5 Rd8 27. Re2 Qd1+ 28. Kh2 Rd4 29. g3 Rd5 30. Qb8+ Rd8 31. Re8+ Rxe8 32. Qxe8+ Kg7 33. Qe5+ Kh7 34. Kg2 Qd7 35. Qe4 Kg7 36. Kf3 1/2-1/2

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.14"]
[Round "3"]
[White "Lopukhin, Anatoly Viktorovich"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2304"]
[BlackElo "2203"]
[PlyCount "77"]
[EventDate "2012.06.12"]
[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 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 c6 7. e4 Qc7 8. a4 e5 9. a5 Nbd7 10. h3 Rb8 11. Be3 b5 12. axb6 axb6 13. dxe5 dxe5 14. Nd2 Rd8 15. f4 Nh5 16. Qf3 exf4 17. gxf4 Nc5 18. Rf2 Ne6 19. Nb3 Nd4 20. Nxd4 Bxd4 21. Nd5 cxd5 22. Bxd4 dxe4 23. Qxe4 Bb7 24. Qe5 Qxe5 25. Bxe5 Ra8 26. Rxa8 Bxa8 27. Bc7 Rd1+ 28. Rf1 Rd7 29. Bxb6 Bxg2 30. Kxg2 Rd2+ 31. Rf2 Nxf4+ 32. Kf3 Rxf2+ 33. Bxf2 Nxh3 34. Be3 f5 35. b4 Kf7 36. b5 Ke6 37. b6 Kd7 38. Kg2 f4 39. Bd2 1-0

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.13"]
[Round "2"]
[White "Koba, Igor"]
[Black "Kalugin, Sergey V"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2203"]
[BlackElo "2366"]
[PlyCount "48"]
[EventDate "2012.06.12"]
[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 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb5 d5 8. exd5 exd5 9. Bf4 Bxb2 10. Nd2 Kf8 11. Nc7 g5 12. Nxa8 gxf4 13. Rb1 Bc3 14. Bg2 Be6 15. Qf3 Bxd2+ 16. Kxd2 Qxa8 17. Qxf4 Nge7 18. Qh6+ Ke8 19. Rhe1 Qc8 20. Qg7 Kd7 21. Rb3 Rg8 22. Qb2 Na5 23. Rc3 Nc4+ 24. Rxc4 Qxc4 0-1

[Event "Voronezh op 16th"]
[Site "Voronezh"]
[Date "2012.06.12"]
[Round "1"]
[White "Golovin, Leonid"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2486"]
[BlackElo "2203"]
[PlyCount "111"]
[EventDate "2012.06.12"]
[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. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nd2 Be7 5. e4 Nc6 6. Ngf3 dxe4 7. dxe4 b6 8. c3 a5 9. Qa4 Bd7 10. Qc2 Be6 11. Ng5 Bc8 12. 0-0 Ba6 13. Qa4 Qd6 14. Rd1 Be2 15. Re1 Bd3 16. Bf1 b5 17. Qb3 0-0 18. Bxd3 Qxd3 19. Re3 Qd6 20. Qxb5 Rad8 21. Ngf3 Ng4 22. Re1 Qc5 23. Qe2 a4 24. h3 Nf6 25. Qc4 Rd7 26. Qxc5 Bxc5 27. Nc4 Rd3 28. Kg2 Re8 29. Bg5 a3 30. Bxf6 gxf6 31. Nxa3 Bxa3 32. bxa3 Ra8 33. Rec1 Rxa3 34. Nh4 Ne7 35. Rcb1 Kg7 36. c4 Rd4 37. Rb8 Rxe4 38. Re8 Nc6 39. Nf5+ Kg6 40. Ne3 h5 41. g4 Nd4 42. gxh5+ Kxh5 43. Rg8 c6 44. Rg1 Ne2 45. Rb1 Nf4+ 46. Kf3 f5 47. Rb7 Ne6 48. h4 Rxh4 49. Rxf7 Ng5+ 50. Rxg5+ Kxg5 51. Rxf5+ Kg6 52. Rxe5 Rxc4 53. Kg3 Rcc3 54. Kg4 Rxa2 55. f4 Re2 56. Kf3 1/2-1/2

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.06"]
[Round "9.130"]
[White "Tsukanov, Boris F"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2008"]
[BlackElo "2228"]
[PlyCount "96"]
[EventDate "2011.01.29"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. dxe5 Qxd1+ 7. Nxd1 Nc6 8. Nf3 Bg4 9. Be2 Bb4+ 10. Nc3 0-0-0 11. Bg5 Rde8 12. 0-0-0 Nxe5 13. Nd5 Nxd5 14. Rxd5 Nxf3 15. gxf3 c6 16. Rd4 Rxe2 17. fxg4 Rxf2 18. Rhd1 Re8 19. a3 Be7 20. Be3 Rf3 21. Bg1 Bc5 22. R4d2 Bxg1 23. Rxg1 Re4 24. c5 Rc4+ 25. Rc2 Rxc2+ 26. Kxc2 Rf2+ 27. Kc3 Rxh2 28. Rf1 Rg2 29. Rxf7 Rxg4 30. Rf8+ Kd7 31. Rf7+ Ke6 32. Rxb7 a5 33. Ra7 a4 34. b4 axb3 35. a4 Kd5 36. a5 Rg3+ 37. Kb2 Kc4 38. Rf7 Rg2+ 39. Kb1 Kc3 40. Rf3+ Kb4 41. a6 Ra2 42. Rf7 Rxa6 43. Rxg7 Ra2 44. Rxh7 Kxc5 45. Rh3 Kb4 46. Rh4+ Ka3 47. Rc4 Rh2 48. Rc1 c5 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.05"]
[Round "8.135"]
[White "Koba, Igor"]
[Black "Minko, Vladimir"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2228"]
[BlackElo "2019"]
[PlyCount "66"]
[EventDate "2011.01.29"]
[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. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Nbd2 cxd4 11. cxd4 c5 12. dxc5 Nxc5 13. Nb3 Nxb3 14. Qxb3 d4 15. Bf4 Bg4 16. Qd3 Qd5 17. Re4 Bxf3 18. gxf3 Rfd8 19. b3 f5 20. exf6 Bxf6 21. Rc1 Rac8 22. Rc4 Rxc4 23. Qxc4 Qxc4 24. bxc4 Kf7 25. Re1 Rc8 26. Rc1 Ke6 27. Kf1 Kf5 28. Bd2 Be5 29. h3 Bf4 30. Bxf4 Kxf4 31. Ke2 Rc5 32. Rc2 e5 33. Rc1 Kf5 1/2-1/2

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.03"]
[Round "6.108"]
[White "Piatin, Oleg"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2084"]
[BlackElo "2228"]
[PlyCount "93"]
[EventDate "2011.01.29"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. c4 Nb6 6. c5 Nd5 7. Nc3 c6 8. Bc4 Bg7 9. 0-0 0-0 10. Re1 b5 11. Bxd5 cxd5 12. Nxb5 Nc6 13. Ne5 Bb7 14. Nxc6 Bxc6 15. a4 Qd7 16. Qd3 Rfb8 17. Nc3 Rb3 18. a5 Rab8 19. Rd1 R8b4 20. Qe3 Bf6 21. Ra3 Rxa3 22. bxa3 Rb3 23. Qd2 Qb7 24. Na2 Ba4 25. Nb4 Rxb4 26. a6 Qb5 27. axb4 Bxd1 28. Qxd1 Qxb4 29. Be3 Kf8 30. h3 Ke8 31. g4 e6 32. g5 Bd8 33. Qg4 Qb5 34. Qf4 Qxa6 35. Qb8 Qc6 36. Qxa7 Bc7 37. Bd2 e5 38. dxe5 Bxe5 39. Qa3 d4 40. Qb4 Ke7 41. f4 Bg7 42. Kf2 Kd7 43. Qc4 Ke7 44. Bc1 Ke8 45. Bb2 Qe4 46. Bc1 Qc6 47. Qe2+ 1/2-1/2

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.02"]
[Round "5.50"]
[White "Koba, Igor"]
[Black "Ziatdinov, Raset"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2228"]
[BlackElo "2406"]
[PlyCount "48"]
[EventDate "2011.01.29"]
[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. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 0-0 8. e5 Ne8 9. c3 dxc3 10. Nxc3 d6 11. exd6 Nxd6 12. Bxc6 bxc6 13. Ne5 Bf6 14. Nxc6 Qd7 15. Ne5 Bxe5 16. Rxe5 Bb7 17. Bf4 Rfe8 18. Qd2 Rxe5 19. Bxe5 Qc6 20. Qg5 Nf5 21. Bf4 h6 22. Qg4 Nh4 23. Rd1 Re8 24. h3 Nxg2 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.01"]
[Round "4.115"]
[White "Usseinov, Chingis"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1801"]
[BlackElo "2228"]
[PlyCount "101"]
[EventDate "2011.01.29"]
[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 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. Ngf3 dxe5 7. Bxe5 Bxd2+ 8. Qxd2 Qxd2+ 9. Kxd2 Nxf2 10. Rg1 Ne4+ 11. Ke3 Nd6 12. b3 Nc6 13. Bxd6 cxd6 14. Kd3 Ne5+ 15. Kc3 Bd7 16. Rd1 Ke7 17. Nd4 Rac8 18. Kb2 a6 19. e4 g6 20. Be2 Bc6 21. Nxc6+ Rxc6 22. Rd5 Rc5 23. Rgd1 Rxd5 24. Rxd5 Rc8 25. g4 h6 26. a3 Rc5 27. Kc3 Rc8 28. Kd2 Nd7 29. b4 Nf6 30. Rd4 a5 31. Ke3 axb4 32. axb4 b6 33. h4 g5 34. hxg5 hxg5 35. Rd3 Rxc4 36. Rd4 Rc3+ 37. Rd3 Rc1 38. Rd1 Rxd1 39. Bxd1 d5 40. exd5 Nxd5+ 41. Kd4 Nxb4 42. Kc4 Nc6 43. Kb5 Ne5 44. Kxb6 Kd6 45. Be2 f6 46. Kb7 Kd5 47. Kc7 Ke4 48. Kd6 Kf4 49. Ke6 Nxg4 50. Bd3 Nf2 51. Bf5 0-1

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.01.31"]
[Round "3.128"]
[White "Koba, Igor"]
[Black "Burkov, Dmitry"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2228"]
[BlackElo "2026"]
[PlyCount "56"]
[EventDate "2011.01.29"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. 0-0 Bg7 8. d4 cxd4 9. Nxd4 0-0 10. f3 Rc8 11. b3 a6 12. a4 Nc6 13. Nde2 Ne8 14. Rb1 Nc7 15. Be3 Nb4 16. a5 Rf8 17. Bb6 Rad8 18. Bd4 Na8 19. Bxg7 Kxg7 20. Nd5 Nxd5 21. exd5 e5 22. dxe6 fxe6 23. Qd4+ Kg8 24. Nc3 Nc7 25. Rfe1 Qc6 26. Rbd1 e5 27. Qb6 Ne6 28. Qxc6 bxc6 1-0

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.01.30"]
[Round "2.164"]
[White "Utnasanov, Adyan"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1900"]
[BlackElo "2228"]
[PlyCount "68"]
[EventDate "2011.01.29"]
[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 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Bd2 0-0 7. Bd3 Re8 8. 0-0 Ngxe5 9. Nxe5 Nxe5 10. Bc2 Qh4 11. b4 Bf8 12. Bb3 d6 13. Be1 Ng4 14. h3 Nf6 15. f4 Qh6 16. Rf3 Bd7 17. f5 Bc6 18. Rg3 Re5 19. b5 Bd7 20. Bd2 Qh4 21. Be1 Qh5 22. Qxh5 Nxh5 23. Rg5 Nf6 24. Rg3 Ne4 25. Rf3 Rxf5 26. Bc2 Rxf3 27. gxf3 Nc5 28. h4 a6 29. Nc3 Be6 30. Bb3 axb5 31. Bc2 Bxc4 32. Kf2 b4 33. Ne4 b3 34. Nxc5 bxc2 0-1

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "1"]
[White "Koba, Igor"]
[Black "Kalinin, Ivan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2243"]
[BlackElo "1865"]
[PlyCount "71"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Nc6 6. Bb5 Bd7 7. 0-0 Bc5 8. Qe2 0-0 9. Nb3 Bb6 10. Bg5 h6 11. Bh4 g5 12. Nxg5 hxg5 13. Bxg5 e5 14. Rad1 Bg4 15. Rxd8 Bxe2 16. Rxf8+ Rxf8 17. Bxe2 Nxe4 18. Bh6 Rd8 19. Bf3 Nd6 20. Rd1 Re8 21. Bd5 Ne7 22. a4 Nef5 23. Bc1 c6 24. Bf3 e4 25. Be2 e3 26. f3 Nc4 27. Kf1 Ne5 28. a5 Bc7 29. f4 Ng6 30. g3 Nxf4 31. gxf4 Bxf4 32. Kg1 Kh8 33. Rf1 Rg8+ 34. Kh1 Bg3 35. Rxf5 Bf2 36. Rh5+ 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "5"]
[White "Koba, Igor"]
[Black "Kukhmazov, Arsen"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2243"]
[BlackElo "2021"]
[PlyCount "92"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 b6 6. Nb3 e6 7. Nf3 Nd7 8. g3 Ngf6 9. Bg2 Rc8 10. 0-0 Bd6 11. Qe2 Qc7 12. Re1 0-0 13. Ne5 c5 14. c3 c4 15. Nd2 Bxe5 16. dxe5 Bd3 17. Qe3 Ng4 18. Qg5 Ngxe5 19. Ne4 f6 20. Qh5 Nf7 21. f4 Rfe8 22. Be3 Nd6 23. Nf2 Bg6 24. Qf3 Nc5 25. Rad1 Nd3 26. Nxd3 cxd3 27. Bf1 Nc4 28. Bxd3 Bxd3 29. Rxd3 Nxb2 30. Rd4 Qxc3 31. Rc1 Qa3 32. Rxc8 Rxc8 33. Qe4 Qxa2 34. Rd7 f5 35. Qe5 Qb1+ 36. Kf2 Qc2+ 37. Kg1 Qb1+ 38. Kf2 Rc2+ 39. Bd2 Rxd2+ 40. Rxd2 Nd3+ 41. Rxd3 Qxd3 42. Qb8+ Kf7 43. Qxa7+ Kg6 44. Qxb6 Qd2+ 45. Kf3 Qd3+ 46. Kf2 Qd2+ 1/2-1/2

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "7"]
[White "Koba, Igor"]
[Black "Maligin, Artem"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2243"]
[BlackElo "1992"]
[PlyCount "42"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. 0-0 Nf6 7. Nc3 g6 8. d4 cxd4 9. Nxd4 Bg7 10. Nde2 0-0 11. f3 Rfc8 12. Bg5 Rab8 13. b3 a6 14. a4 Qd8 15. Rb1 Nd7 16. Kh1 Nc5 17. Qd2 Ne6 18. Bh4 Qa5 19. Rfd1 Qh5 20. Bf2 Ne5 21. Ng3 Nxf3 0-1

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "3"]
[White "Koba, Igor"]
[Black "Petrov, Alexander2222"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2243"]
[BlackElo "1908"]
[PlyCount "73"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Bxc6 bxc6 11. Nbd2 c5 12. dxc5 Nxc5 13. Nb3 Nxb3 14. Qxb3 Bg4 15. Nd4 Rb8 16. Qg3 Qd7 17. b3 Bf5 18. Ba3 Rfc8 19. Rad1 Kh8 20. Qh4 Bf8 21. Nxf5 gxf5 22. e6 Qc6 23. Bxe7 fxe6 24. Bf6+ Bg7 25. Bxg7+ Kxg7 26. Qe7+ Kg8 27. Rxe6 Qc7 28. Qg5+ Qg7 29. Qxf5 d4 30. Qd5 Kh8 31. g3 Rd8 32. Rd6 Rxd6 33. Qxd6 Re8 34. Qxd4 Re1+ 35. Kg2 Rxd1 36. Qxd1 Qg6 37. Qd8+ 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "4"]
[White "Lyushin, Maxim"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2040"]
[BlackElo "2243"]
[PlyCount "73"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. d4 exd5 5. Nc3 Be7 6. Nf3 0-0 7. Be2 dxc4 8. Bxc4 Nbd7 9. h3 Nb6 10. Bb3 c6 11. 0-0 Nbd5 12. Bg5 Be6 13. Re1 Re8 14. Bxf6 Bxf6 15. Bxd5 cxd5 16. Qb3 b6 17. Rac1 Rc8 18. Ne5 Bxe5 19. Rxe5 Rc4 20. Rd1 Qd6 21. Rde1 Rd8 22. a3 a6 23. Qd1 b5 24. Nxd5 h6 25. Qd3 Rcc8 26. Nf4 Qxd4 27. Qxd4 Rxd4 28. Nxe6 fxe6 29. Rxe6 Rc2 30. R6e2 Rdd2 31. Rxd2 Rxd2 32. Re8+ Kf7 33. Ra8 Rxb2 34. Rxa6 b4 35. axb4 Rxb4 36. g4 Rb3 37. Kg2 1/2-1/2

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "6"]
[White "Nochovniy, Vladimir Nikolaevic"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2048"]
[BlackElo "2243"]
[PlyCount "90"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c5 4. f3 Nf6 5. d5 Qb6 6. Bxf6 gxf6 7. b3 Bh6 8. e4 d6 9. c3 Nd7 10. Nd2 Qa5 11. Qc2 b5 12. Be2 Ne5 13. g3 Rg8 14. f4 Nd7 15. c4 b4 16. Ngf3 Bg7 17. Rd1 Bb7 18. Nf1 Qc7 19. Ne3 e6 20. Kf2 0-0-0 21. Nh4 Nf8 22. Bf3 Bh6 23. Nhg2 Kb8 24. Rd3 Ng6 25. Ra1 Ne7 26. Rad1 e5 27. f5 Kc8 28. g4 Kd7 29. Nf1 Nc8 30. Ng3 Ke7 31. Nh5 Nb6 32. h4 a5 33. Rg1 Ra8 34. Bd1 Qd8 35. Rg3 Kd7 36. Ne1 Bf4 37. Rf3 Kc7 38. Nxf4 exf4 39. Rxf4 a4 40. Nd3 axb3 41. axb3 Nd7 42. Rf3 h6 43. Qd2 Qe7 44. Qf4 Ra2+ 45. Ke3 Nb6 0-1

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2010.07.??"]
[Round "2"]
[White "Soloviov, Anton"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "2243"]
[PlyCount "53"]
[EventDate "2010.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6 7. 0-0 Be7 8. a3 0-0 9. c4 Nb6 10. Nc3 Bf6 11. Be3 Nc6 12. b3 Qe7 13. h3 h6 14. Qc1 Rfd8 15. Rd1 Rd7 16. Ra2 Na5 17. g4 Bh7 18. Qb2 Nc6 19. Qc1 Rad8 20. Rad2 g5 21. b4 Qf8 22. d5 Bxc3 23. Qxc3 exd5 24. b5 d4 25. Nxd4 Ne5 26. Ne6 fxe6 27. Qxe5 1-0

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.17"]
[Round "6"]
[White "Gutyakulov, Amal"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2003"]
[BlackElo "2239"]
[PlyCount "75"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 c5 3. dxc5 a5 4. Nf3 e6 5. Be3 Na6 6. g3 Nxc5 7. Bg2 b5 8. 0-0 Bb7 9. Nbd2 Be7 10. Nb3 Na4 11. Qc2 Be4 12. Qd2 Nb6 13. Bxb6 Qxb6 14. Nbd4 0-0 15. e3 Qb7 16. Ne1 Bxg2 17. Nxg2 d5 18. Qe2 Rfb8 19. f3 Qb6 20. Kh1 Ra7 21. e4 dxe4 22. fxe4 Rc7 23. e5 Nd5 24. Nf4 Qb7 25. Qf3 Nxf4 26. Qxb7 Rbxb7 27. Rxf4 Bg5 28. Rg4 Bh6 29. Nf3 Rd7 30. Rd4 Be3 31. Rxd7 Rxd7 32. a4 Rd5 33. axb5 Rxb5 34. b4 Bb6 35. bxa5 Bxa5 36. Nd4 Rc5 37. Nb3 Rxc3 38. Nxa5 1-0

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.16"]
[Round "5"]
[White "Koba, Igor"]
[Black "Akhmetov, Ayan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2239"]
[BlackElo "1956"]
[PlyCount "69"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. 0-0 Nf6 7. Nc3 g6 8. d4 cxd4 9. Nxd4 Bg7 10. Nde2 0-0 11. f3 Rfd8 12. Rb1 Rac8 13. Be3 e6 14. Nf4 g5 15. Nfe2 h6 16. h4 gxh4 17. Qe1 h3 18. Qg3 Kh7 19. Qxh3 d5 20. Rbd1 Qe7 21. cxd5 exd5 22. Ng3 Qe6 23. Nf5 Ne7 24. Bxh6 Nxf5 25. exf5 Qc6 26. Be3+ Kg8 27. Bd4 Re8 28. Qg3 b5 29. Qg5 Kf8 30. Nxd5 Qxd5 31. Bxf6 Qc5+ 32. Kh1 Bxf6 33. Qxf6 Re5 34. Rd7 Qc4 35. Qh8# 1-0

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.15"]
[Round "4"]
[White "Rysbayeva, Korlan"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2007"]
[BlackElo "2239"]
[PlyCount "51"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 Nb6 10. d5 Nd4 11. Bb5+ Nd7 12. Qa4 Nxb5 13. Qxb5 g6 14. 0-0 Bg7 15. Bg5 h6 16. Bf4 g5 17. Bg3 0-0 18. Rfe1 Nb6 19. Rad1 Rc8 20. d6 e6 21. d7 Rxc3 22. bxc3 Bxc3 23. Re3 Bf6 24. Red3 a6 25. Qc5 Na4 26. Qc2 1-0

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.14"]
[Round "3"]
[White "Koba, Igor"]
[Black "Yaitsky, Alexander"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2239"]
[PlyCount "70"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 g6 6. 0-0 Bg7 7. Re1 0-0 8. Bf1 Bg4 9. Nbd2 Qc7 10. h3 Bd7 11. d4 cxd4 12. cxd4 Nb4 13. e5 Nfd5 14. Nc4 b5 15. Ne3 Rac8 16. Qb3 Be6 17. Ng5 a6 18. Bd2 a5 19. Bxb4 Nxb4 20. Nxe6 fxe6 21. Qxe6+ Kh8 22. Nd5 Nxd5 23. Qxd5 dxe5 24. dxe5 Qb6 25. Re3 Rc2 26. Qxb5 Qxb5 27. Bxb5 Rfxf2 28. Bf1 Rxb2 29. Rd1 Bh6 30. Rb3 Rxa2 31. Rd7 Bg5 32. g3 Kg7 33. h4 Bh6 34. Rbb7 Be3 35. Rxe7+ Kf8 0-1

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.13"]
[Round "2"]
[White "Lomakina, Galja"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2089"]
[BlackElo "2239"]
[PlyCount "82"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. c4 e5 7. Nc3 Nc6 8. Rb1 a5 9. a3 h6 10. b4 axb4 11. axb4 Re8 12. b5 Nd4 13. Ne1 Nh5 14. e3 Ne6 15. e4 c6 16. bxc6 bxc6 17. Be3 Qa5 18. Qd2 Nhf4 19. gxf4 exf4 20. Bb6 Qxc3 21. Qxc3 Bxc3 22. e5 Bd7 23. exd6 Reb8 24. Nf3 Rb7 25. d4 Rab8 26. Ne5 Bxd4 27. Nxd7 Rxd7 28. Bxd4 Rxb1 29. Rxb1 Nxd4 30. c5 f3 31. Bf1 Ne6 32. Rc1 Ra7 33. Bd3 Ra5 34. Be4 Rxc5 35. Rxc5 Nxc5 36. Bxc6 Kf8 37. Bxf3 Nd3 38. Kf1 Ne5 39. Be2 f5 40. Bb5 Nf7 41. d7 Ke7 1/2-1/2

[Event "Voronezh op-B 13th"]
[Site "Voronezh"]
[Date "2009.06.12"]
[Round "1"]
[White "Koba, Igor"]
[Black "Elfert, Aleksandr V"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2239"]
[BlackElo "1964"]
[PlyCount "57"]
[EventDate "2009.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4 Ne5 9. Qe2 Rc8 10. b3 g6 11. Bb2 Bg7 12. 0-0 Nh5 13. Qd2 Qg4 14. f4 Bh6 15. Nde2 Qh4 16. Nd5 e6 17. g3 Qh3 18. Ne3 Rd8 19. fxe5 dxe5 20. Qc3 0-0 21. Rf3 Rd7 22. Nd1 Nf4 23. Nxf4 Bxf4 24. Rxf4 Rfd8 25. Nf2 Qh5 26. Qxe5 Rd1+ 27. Rxd1 Rxd1+ 28. Nxd1 Qxd1+ 29. Rf1 1-0

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.29"]
[Round "9"]
[White "Koba, Igor"]
[Black "Osoblivi, Grigory"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2239"]
[BlackElo "2268"]
[PlyCount "107"]
[EventDate "2009.03.23"]
[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 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 g6 7. 0-0 Bg7 8. Re1 0-0 9. c3 b6 10. e5 Nd7 11. d4 Ba6 12. a3 Rc8 13. b4 cxd4 14. cxd4 Ne7 15. a4 Bc4 16. b5 Nf5 17. Ba3 Re8 18. Rc1 Bd3 19. Bf1 Bxf1 20. Kxf1 f6 21. exf6 Bxf6 22. Nb1 Rxc1 23. Bxc1 Qe7 24. Ba3 Qg7 25. Bb2 Nd6 26. Nbd2 Qf7 27. Qe2 Nf8 28. Rc1 Rc8 29. Rxc8 Nxc8 30. Ba3 Nd7 31. Kg2 Ne7 32. Nb3 Nf5 33. h3 h6 34. Qe1 Kg7 35. Qe2 g5 36. g4 Ne7 37. Nc1 Ng6 38. Nd3 Be7 39. Bxe7 Qxe7 40. Qc2 Nf6 41. Qc6 Ne4 42. Kg1 Qf7 43. Kg2 Ne7 44. Qd7 Ng6 45. Qc6 Nf6 46. Qc8 Qd7 47. Qxd7+ Nxd7 48. Nfe5 Ndxe5 49. Nxe5 Nf4+ 50. Kf3 Kf8 51. h4 Ke8 52. h5 Ke7 53. Nc6+ Kd7 54. Nxa7 1-0

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.28"]
[Round "8"]
[White "Vlassow, Valentin"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2338"]
[BlackElo "2239"]
[PlyCount "80"]
[EventDate "2009.03.23"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 exd4 9. 0-0 dxc3 10. Re1+ Be7 11. Bg5 f6 12. Bh5+ g6 13. Bxf6 Qxd1 14. Raxd1 0-0 15. Bxe7 gxh5 16. Bxf8 Kxf8 17. c5 cxb2 18. cxb6 axb6 19. Rb1 Rxa2 20. Re2 Nd7 21. Rexb2 Rxb2 22. Rxb2 c6 23. f4 b5 24. Kf2 Nb6 25. Kf3 Kf7 26. Ke4 Kf6 27. Rd2 Nd5 28. g3 b4 29. Kd4 Kf5 30. Re2 h4 31. Re5+ Kf6 32. Kc4 hxg3 33. hxg3 h6 34. Re8 Kf5 35. Kb3 Nf6 36. Re7 Nh5 37. Rxb7 Nxg3 38. Rf7+ Ke4 39. Kxb4 Nf5 40. Kc5 Kxf4 1/2-1/2

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.27"]
[Round "7"]
[White "Koba, Igor"]
[Black "Ulyanin, Sergei"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2239"]
[BlackElo "2306"]
[PlyCount "61"]
[EventDate "2009.03.23"]
[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. Bb5 g6 4. 0-0 Bg7 5. c3 Qb6 6. Ba4 Nf6 7. e5 Nd5 8. d4 cxd4 9. cxd4 0-0 10. Nc3 Nxc3 11. bxc3 d5 12. exd6 exd6 13. Bf4 d5 14. Re1 Bf5 15. Ne5 Nxe5 16. Bxe5 Rac8 17. Bxg7 Kxg7 18. Rc1 Qa5 19. Re3 Rc7 20. Bb3 Rfc8 21. Qe1 Be6 22. h4 h5 23. Rf3 Qa3 24. Qe5+ Kg8 25. Re1 Rxc3 26. Rxc3 Rxc3 27. Bxd5 Bxd5 28. Qxd5 Rc1 29. Qd8+ Kh7 30. Rxc1 Qxc1+ 31. Kh2 1/2-1/2

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.26"]
[Round "5"]
[White "Koba, Igor"]
[Black "Abramov, Valentin"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2239"]
[BlackElo "2347"]
[PlyCount "84"]
[EventDate "2009.03.23"]
[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. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Bxc6 bxc6 11. Nbd2 Nxd2 12. Bxd2 Qb6 13. Qa4 Rb8 14. Bc3 Bg4 15. Nd2 f6 16. e6 Bf5 17. Qa3 Qc7 18. Nb3 h5 19. Nc5 Ra8 20. Nd7 Rfe8 21. Bb4 Bxe6 22. Rxe6 Qxd7 23. Rae1 Bf8 24. f4 Rad8 25. Bc5 Qc7 26. Qf3 Qa5 27. Qg3 Kf7 28. f5 g5 29. Qh3 h4 30. Qg4 Qd2 31. Qh5+ Kg8 32. b4 Qf4 33. Qg6+ Kh8 34. Rxc6 Qg4 35. h3 Qg3 36. Rce6 Qf4 37. a4 Qd2 38. b5 Qc3 39. Bxa7 Rc8 40. Bc5 Qd2 41. Kf1 Qc3 42. b6 Rb8 1/2-1/2

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.26"]
[Round "6"]
[White "Suleymanyants, Odisey"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2311"]
[BlackElo "2239"]
[PlyCount "124"]
[EventDate "2009.03.23"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. Be2 Bg7 6. 0-0 0-0 7. Re1 c5 8. dxc5 Na6 9. Nbd2 Nxc5 10. Nc4 b6 11. a4 Bb7 12. Nfe5 Qc7 13. Bf3 Rad8 14. Nd3 Nxd3 15. cxd3 Nb4 16. Bxb7 Qxb7 17. Qe2 Nxd3 18. Rd1 Nxc1 19. Raxc1 Rd7 20. Rxd7 Qxd7 21. b3 Rd8 22. g3 e6 23. Ne5 Qd2 24. Qxd2 Rxd2 25. Rc8+ Bf8 26. b4 Rd5 27. Nc6 Kg7 28. b5 Bc5 29. Rd8 Rxd8 30. Nxd8 Kf6 31. Nc6 e5 32. Nxa7 Ke6 33. Nc6 Kd5 34. a5 bxa5 35. Nxa5 Bd4 36. Nc6 Bb6 37. Kg2 Bc7 38. Kf3 f5 39. h3 Kc5 40. g4 Kxb5 41. Ne7 Bd8 42. Nxf5 gxf5 43. gxf5 Kc6 44. Ke4 Bc7 45. f6 Kd7 46. Kf5 Bb8 47. f3 Bc7 48. h4 Bb8 49. h5 Bc7 50. h6 Bb8 51. f7 Ke7 52. f8Q+ Kxf8 53. Kf6 Bc7 54. Ke6 Ke8 55. Kf6 Kd7 56. Kg7 Ke6 57. Kxh7 Kf7 58. Kh8 Bd8 59. Kh7 Bf6 60. f4 e4 61. f5 Bg5 62. f6 e3 0-1

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.25"]
[Round "4"]
[White "Koba, Igor"]
[Black "Dementiev, Oleg I"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2239"]
[BlackElo "1959"]
[PlyCount "57"]
[EventDate "2009.03.23"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. c5 Nd5 6. Bc4 g6 7. Qb3 c6 8. Nc3 e6 9. Nf3 Bg7 10. 0-0 0-0 11. Bg5 Qc7 12. Rac1 Nxc3 13. bxc3 Nd7 14. Be7 Re8 15. Bd6 Qd8 16. Rfe1 Nf6 17. Ne5 Nd5 18. Qa3 Ne7 19. Nf3 Nf5 20. Bf4 Bf8 21. Qb3 Ne7 22. Bg5 Qc7 23. Bxe6 Bxe6 24. Rxe6 Nf5 25. Ree1 Bg7 26. g3 Nh6 27. Bf4 Qc8 28. Rxe8+ Qxe8 29. Qxb7 1-0

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.25"]
[Round "2"]
[White "Koba, Igor"]
[Black "Mikhailov, Stepan Fedorovich"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2239"]
[BlackElo "2022"]
[PlyCount "67"]
[EventDate "2009.03.23"]
[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. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d6 9. h3 a6 10. Bf1 Qb6 11. Nc3 Nh5 12. Nd5 Qd8 13. Be3 e6 14. Nc3 b5 15. a3 Bb7 16. Rc1 Rc8 17. b4 e5 18. Qd2 exd4 19. Nxd4 Ne5 20. Nd5 Bxd5 21. exd5 Qd7 22. a4 Nc4 23. Bxc4 Rxc4 24. Rxc4 bxc4 25. Nc6 Re8 26. Rc1 c3 27. Qd3 Nf6 28. b5 axb5 29. axb5 Ne4 30. b6 f5 31. Qa6 Nc5 32. Bxc5 dxc5 33. b7 Qd6 34. Qa8 1-0

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.24"]
[Round "3"]
[White "Lavrinovich, Denis"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2108"]
[BlackElo "2239"]
[PlyCount "46"]
[EventDate "2009.03.23"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. Bc4 Bg7 6. c3 0-0 7. 0-0 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Re1 c6 11. Nd2 Nd7 12. Nf1 b5 13. Bb3 N7b6 14. Ne3 a5 15. a3 a4 16. Bc2 f5 17. Bd2 Qd7 18. Rad1 Rae8 19. Nxd5 exd5 20. Bc1 Nc4 21. Kf1 Nd6 22. Rxe8 Rxe8 23. Re1 Rxe1+ 1/2-1/2

[Event "SZFO-ch"]
[Site "St Petersburg"]
[Date "2009.03.23"]
[Round "1"]
[White "Rakhmanov, Alexander"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2543"]
[BlackElo "2239"]
[PlyCount "90"]
[EventDate "2009.03.23"]
[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 e5 3. e3 exd4 4. exd4 d5 5. Nc3 Be7 6. h3 0-0 7. Nf3 Nc6 8. Be2 dxc4 9. Bxc4 Nb4 10. 0-0 c6 11. Bg5 Nbd5 12. Re1 Be6 13. Bd3 Qa5 14. Bd2 Rae8 15. a3 Qd8 16. Qc2 h6 17. Rad1 Bd6 18. Ne5 Nd7 19. Bc1 Qb8 20. f4 Nxc3 21. bxc3 Nxe5 22. fxe5 Be7 23. Qe2 f5 24. Qh5 Bg5 25. Bxg5 hxg5 26. Qxg5 Qd8 27. Qh5 Qe7 28. g4 Bf7 29. Qxf5 Qh4 30. Qf2 Qxh3 31. Qg2 Qh4 32. Re3 Be6 33. Rh3 Qg5 34. Bh7+ Kf7 35. Bf5 Ke7 36. Bxe6 Kxe6 37. d5+ Kd7 38. dxc6+ Kc8 39. cxb7+ Kb8 40. e6 Rxe6 41. Qg3+ Qe5 42. Rd7 Qxg3+ 43. Rxg3 g6 44. Rgd3 Rb6 45. Kg2 Rxb7 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "3"]
[White "Gubajdullin, Alexey"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2441"]
[BlackElo "2242"]
[PlyCount "87"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 e5 7. 0-0 Nc6 8. b5 Ne7 9. Nc3 Nd7 10. d3 f5 11. Nd2 Nc5 12. a4 a5 13. Nb3 Kh8 14. Ba3 Nxb3 15. Qxb3 c6 16. bxc6 bxc6 17. Rab1 Ra6 18. Qb8 c5 19. Bb7 Nc6 20. Qxc8 Qxc8 21. Bxc8 Rxc8 22. Rb7 Bf6 23. Rfb1 Nb4 24. Nb5 Kg8 25. h4 h5 26. Bc1 Rf8 27. Bh6 Rf7 28. Rb8+ Kh7 29. Rf8 Rd7 30. Bg5 Bxg5 31. hxg5 Kg7 32. Rf6 Rb6 33. Rd1 Rc6 34. Rd2 Kh7 35. e4 Kg7 36. f4 exf4 37. gxf4 Rf7 38. Nxd6 Rxf6 39. Ne8+ Kf7 40. Nxf6 Rb6 41. exf5 Nc6 42. fxg6+ Kxg6 43. Rf2 Nd4 44. Nd7 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "1"]
[White "Karataev, Oleg"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1932"]
[BlackElo "2242"]
[PlyCount "90"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 Qe7 8. Nxc7+ Kd8 9. Nxa8 b6 10. Nxb6 axb6 11. Kf1 Bg7 12. d3 e4 13. Qd1 Nf5 14. Ne2 Ba6 15. Bc4 b5 16. Bd5 exd3 17. cxd3 Qd6 18. Bxc6 Qxc6 19. Bg5+ f6 20. Rc1 Qa8 21. Bf4 Bb7 22. Bc7+ Ke7 23. Rg1 Nh4 24. Nf4 Re8 25. Qb3 Bh6 26. Re1+ Kf8 27. Bd6+ Kg7 28. Rxe8 Qxe8 29. Qxb5 Qc8 30. Qc4 Qa8 31. Nh5+ gxh5 32. Qxh4 Qxa2 33. Qg3+ Kf7 34. f4 Qb1+ 35. Kf2 Qxb2+ 36. Kf1 Qb1+ 37. Kf2 Qb6+ 38. Qe3 Qxd6 39. g3 Bf8 40. Re1 Qd5 41. Qe8+ Kg7 42. Qe4 Qa2+ 43. Qe2 Bc5+ 44. Kf1 Qxe2+ 45. Kxe2 Kg6 0-1

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "2"]
[White "Koba, Igor"]
[Black "Blokhina, Elvira"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2242"]
[BlackElo "1962"]
[PlyCount "68"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 e6 7. 0-0 Be7 8. d4 cxd4 9. Nxd4 0-0 10. Be3 Nc6 11. f4 Rfd8 12. Qf3 Nxd4 13. Bxd4 Qc6 14. b3 Ne8 15. Rac1 Bf6 16. Bf2 a6 17. a4 Rac8 18. Ne2 b6 19. g4 Qb7 20. g5 Be7 21. Nc3 Nc7 22. Rfd1 b5 23. cxb5 axb5 24. a5 b4 25. Na4 Nb5 26. Rc4 Na3 27. Rxc8 Rxc8 28. Nb6 Rc6 29. Rd3 Nb5 30. Be1 Rc1 31. Kf2 d5 32. exd5 exd5 33. Qxd5 Rc7 34. Bd2 Bc5+ 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "4"]
[White "Koba, Igor"]
[Black "Bruyatskaya, Marina"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2242"]
[BlackElo "2045"]
[PlyCount "35"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Qa4+ Bd7 6. Qb3 Qc7 7. Nc3 a6 8. a4 e6 9. Bc4 Bc5 10. dxe6 fxe6 11. Nf3 0-0 12. d4 Ba7 13. Bxe6+ Bxe6 14. Qxe6+ Kh8 15. 0-0 Nc6 16. Be3 Rae8 17. Qh3 Rd8 18. Ng5 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "8"]
[White "Koba, Igor"]
[Black "Lugovoy, Dmitry"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2242"]
[BlackElo "2066"]
[PlyCount "79"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. Nc3 cxd4 6. Qxd4 e5 7. Qd3 h6 8. a4 Be7 9. Be3 0-0 10. 0-0 Qc7 11. Bc4 Nc5 12. Bxc5 Qxc5 13. Nh4 Kh7 14. Nf5 Bxf5 15. exf5 Rac8 16. Bb3 Qb4 17. Rfe1 Bd8 18. Ne4 Nxe4 19. Rxe4 Qb6 20. f6 g6 21. Rg4 d5 22. Qxd5 Qxf6 23. a5 Qe7 24. Rc4 Rxc4 25. Bxc4 Qc7 26. Rd1 Qxa5 27. Qxa5 Bxa5 28. Rd7 Kg7 29. Rxb7 Bb6 30. Bd5 Kf6 31. c4 e4 32. Kf1 Bd4 33. b4 Ke5 34. Bxf7 Kf6 35. Bd5 Ke5 36. f3 exf3 37. Bxf3 Be3 38. c5 a5 39. Re7+ Kd4 40. bxa5 1-0

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "6"]
[White "Koba, Igor"]
[Black "Smirnov, Alexander1111"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2242"]
[BlackElo "2206"]
[PlyCount "78"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Bd6 7. 0-0 0-0 8. Re1 dxe4 9. dxe4 e5 10. c3 Bg4 11. Qc2 Qd7 12. Nc4 b5 13. Ne3 Bxf3 14. Bxf3 g6 15. Be2 Rab8 16. a4 a6 17. Rd1 Rfd8 18. Kg2 Qb7 19. f3 Bf8 20. axb5 axb5 21. Bd2 c4 22. b3 cxb3 23. Qxb3 b4 24. Bc4 bxc3 25. Qxb7 Rxb7 26. Bxc3 Nd4 27. Nd5 Nxd5 28. Bxd5 Rc7 29. Bxd4 exd4 30. Rac1 Rxc1 31. Rxc1 Rd7 32. f4 Bb4 33. Rc4 Bc3 34. Kf3 Kg7 35. Rc5 Ra7 36. Rc8 Ra3 37. Ke2 Ba5 38. Bc4 Re3+ 39. Kd1 d3 0-1

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "7"]
[White "Konovalov, Viatcheslav"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2068"]
[BlackElo "2242"]
[PlyCount "80"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 c5 4. e3 b6 5. c3 Bb7 6. Bd3 Bg7 7. 0-0 0-0 8. Re1 d5 9. Ne5 Nbd7 10. Ndf3 Nxe5 11. Nxe5 Nd7 12. Nf3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Qf3 Qc7 16. e4 dxe4 17. Bxe4 Bxe4 18. Rxe4 Bxh2+ 19. Kh1 Be5 20. Qh3 f5 21. Re2 Rfe8 22. Bg5 Bg7 23. Rae1 Qf7 24. Re7 Qf8 25. Qh4 Rxe7 26. Rxe7 Re8 27. Qc4+ Kh8 28. Rxa7 Qd6 29. Be3 Qd1+ 30. Kh2 Qh5+ 31. Kg1 Be5 32. g3 Rf8 33. Qd5 Bg7 34. Qb7 Rg8 35. Qxb6 Qd1+ 36. Kh2 f4 37. Bxf4 Qh5+ 38. Kg1 Qd1+ 39. Kh2 Qh5+ 40. Kg1 Qd1+ 1/2-1/2

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "5"]
[White "Rakov, Anatoly"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2074"]
[BlackElo "2242"]
[PlyCount "31"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. Bf4 Nc6 5. e3 d5 6. Bd3 Bd6 7. Bxd6 Qxd6 8. Nbd2 e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. Nf3 Qe6 14. 0-0 0-0 15. Qa4 Nf6 16. Qh4 1/2-1/2

[Event "Kostroma Volga Cup op"]
[Site "Kostroma"]
[Date "2008.07.??"]
[Round "9"]
[White "Shulakova, Svetlana"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2158"]
[BlackElo "2242"]
[PlyCount "60"]
[EventDate "2008.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. a3 dxe5 7. Bg3 Bxd2+ 8. Qxd2 Qxd2+ 9. Kxd2 Nc6 10. e3 f6 11. Bd3 Be6 12. Ne2 0-0-0 13. Kc2 h5 14. h3 Nh6 15. f3 Nf5 16. Bf2 Na5 17. Bxf5 Bxf5+ 18. e4 Nxc4 19. Rad1 Be6 20. Nc1 b6 21. Nb3 c5 22. a4 a5 23. Nc1 Nd6 24. b3 Kc7 25. Ne2 Nc8 26. Nc3 Na7 27. Rhe1 Nc6 28. Nb5+ Kb8 29. Bg3 h4 30. Bf2 g5 0-1

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.28"]
[Round "9"]
[White "Zasypkin, Alexey"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2187"]
[BlackElo "2225"]
[PlyCount "106"]
[EventDate "2008.03.21"]
[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. Nf3 c5 3. d5 e6 4. c4 b5 5. dxe6 fxe6 6. cxb5 d5 7. e3 Nbd7 8. Nc3 Bd6 9. Be2 Bb7 10. 0-0 0-0 11. h3 Qe7 12. Qc2 e5 13. e4 d4 14. Bc4+ Kh8 15. Nd5 Nxd5 16. Bxd5 Bxd5 17. exd5 e4 18. Ng5 d3 19. Qc4 Qe5 20. g3 Rae8 21. f4 Qd4+ 22. Qxd4 cxd4 23. Ne6 Rf5 24. Re1 Rxd5 25. Rxe4 Nf6 26. Re1 Bb4 27. Re5 Rxe5 28. fxe5 Rxe6 29. exf6 gxf6 30. Bf4 d2 31. Kf2 Re1 32. Bxd2 Rxa1 33. Bxb4 Rxa2 34. Ba3 Kg7 35. Ke2 Ra1 36. Kd3 Rd1+ 37. Kc2 Rg1 38. Bc5 Rg2+ 39. Kc1 Rxg3 40. Bxa7 Rb3 41. Bxd4 Rxb5 42. Bf2 Rb3 43. h4 Rf3 44. Be1 Kf7 45. b4 Ke6 46. Kd2 Kd5 47. Ke2 Rb3 48. Kf2 Ke4 49. Kg2 Rb2+ 50. Kg1 Rb1 51. Kf2 h5 52. Bc3 Rb3 53. Ba1 Ra3 0-1

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.27"]
[Round "8"]
[White "Koba, Igor"]
[Black "Pavlov, Aleksandr"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2225"]
[BlackElo "2291"]
[PlyCount "63"]
[EventDate "2008.03.21"]
[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 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 c6 7. a4 a5 8. 0-0 e5 9. h3 Nbd7 10. Be3 Qc7 11. g4 Nb6 12. b3 Rd8 13. f4 exd4 14. Bxd4 d5 15. e5 Ne8 16. Qe1 c5 17. Nb5 Qe7 18. Bc3 g5 19. Bxa5 Ra6 20. Bxb6 Rxb6 21. Nec3 Rh6 22. Nxd5 Rxd5 23. Bxd5 Rxh3 24. Nd6 Nxd6 25. exd6 Qd7 26. Bf3 Rxf3 27. Rxf3 Qxg4+ 28. Rg3 Bd4+ 29. Kg2 Qd7 30. c3 Qc6+ 31. Kh2 Bg7 32. Rxg5 1-0

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.26"]
[Round "7"]
[White "Kiselev, Gennady Aleksandrov"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2453"]
[BlackElo "2225"]
[PlyCount "102"]
[EventDate "2008.03.21"]
[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 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 Bf5 6. Nf3 e6 7. 0-0 Be7 8. a3 0-0 9. c4 Nb6 10. Nc3 Bf6 11. Be3 Nc6 12. h3 h6 13. b4 a6 14. Ra2 Qe7 15. Qb3 Rfd8 16. Rd1 Rd7 17. d5 exd5 18. cxd5 Ne5 19. Bc5 Nxf3+ 20. Bxf3 Qe5 21. Ne2 Be4 22. d6 Re8 23. Ng3 Bxf3 24. Qxf3 Qc3 25. Qxb7 Re1+ 26. Rxe1 Qxe1+ 27. Kh2 cxd6 28. Qxb6 dxc5 29. Re2 Qb1 30. Qxc5 Rd1 31. Qc4 g6 32. Qxa6 Kg7 33. Qc4 h5 34. Qa2 h4 35. Qxb1 hxg3+ 36. Kxg3 Rxb1 37. Re3 Bb2 38. b5 Ra1 39. b6 Bxa3 40. Rb3 Bd6+ 41. Kf3 Re1 42. b7 Re8 43. Rb6 Bb8 44. h4 Re6 45. Rxe6 fxe6 46. Ke4 Kf6 47. g4 Ke7 48. f3 Kf6 49. Kd4 Ba7+ 50. Ke4 Bb8 51. Kd4 Ba7+ 1/2-1/2

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.25"]
[Round "6"]
[White "Koba, Igor"]
[Black "Prokuronov, Eduard"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2225"]
[BlackElo "2295"]
[PlyCount "22"]
[EventDate "2008.03.21"]
[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 e6 3. d3 b6 4. g3 Bb7 5. Bg2 d6 6. 0-0 Nf6 7. e5 dxe5 8. Nxe5 Bxg2 9. Kxg2 Qd5+ 10. Qf3 Qxf3+ 11. Kxf3 Nbd7 1/2-1/2

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.24"]
[Round "4"]
[White "Lintchevski, Daniil"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2440"]
[BlackElo "2225"]
[PlyCount "81"]
[EventDate "2008.03.21"]
[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 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 Nc6 6. Bg5 Be6 7. a3 Qd7 8. b4 0-0-0 9. c5 Ne4 10. Nxe4 dxe4 11. Ne2 Nxd4 12. Nxd4 Qxd4 13. Qxd4 Rxd4 14. Be3 Rd8 15. Rc1 Bd5 16. c6 bxc6 17. b5 e5 18. bxc6 Bxa3 19. Ba6+ Kc7 20. Ra1 Bb2 21. Rb1 Bc3+ 22. Ke2 Rb8 23. Rb7+ Kxc6 24. Rc1 Rxb7 25. Rxc3+ Kd7 26. Bxb7 Bxb7 27. Bxa7 Rc8 28. Rb3 Bd5 29. Rb2 Rc3 30. Be3 Ra3 31. Bc1 Ra2 32. Rxa2 Bxa2 33. h4 Ke6 34. g3 Bd5 35. Ba3 f5 36. Bf8 Kf6 37. Bd6 h6 38. Bc7 Ke6 39. Ke1 g5 40. hxg5 hxg5 41. Bd8 1/2-1/2

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.24"]
[Round "5"]
[White "Mishuchkov, Nikolai Mikhailovic"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2355"]
[BlackElo "2225"]
[PlyCount "61"]
[EventDate "2008.03.21"]
[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 Nf6 2. c4 g6 3. d4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. h3 Rb8 9. Be3 Bd7 10. d5 Na5 11. c5 Nc4 12. Bd4 b5 13. b3 dxc5 14. Bxc5 Nd6 15. Rc1 b4 16. Na4 Nfe4 17. Nd4 Nxc5 18. Nxc5 Bxd4 19. Qxd4 a5 20. Rfe1 Nb5 21. Qc4 Nc3 22. a4 Rb6 23. Ne4 c6 24. Nxc3 bxc3 25. dxc6 Be6 26. Qxc3 Rxb3 27. c7 Qd6 28. Qxa5 Bc8 29. Red1 Qa3 30. Qc5 Qxa4 31. Rd8 1-0

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.23"]
[Round "3"]
[White "Koba, Igor"]
[Black "Ulyanin, Sergei"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2225"]
[BlackElo "2288"]
[PlyCount "109"]
[EventDate "2008.03.21"]
[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. c4 d5 3. cxd5 cxd5 4. exd5 Qxd5 5. Nc3 Qa5 6. d4 Nf6 7. Bc4 e6 8. Nf3 Be7 9. 0-0 0-0 10. Re1 Nc6 11. Qe2 a6 12. Bf4 b5 13. Bb3 b4 14. Na4 Bb7 15. Rac1 Qf5 16. Bg3 Na5 17. Bc2 Qh5 18. Nc5 Bd5 19. Bb1 Nc6 20. Nxe6 fxe6 21. Rxc6 Bxc6 22. Qxe6+ Kh8 23. Qxc6 Rae8 24. Ne5 Ng4 25. Bg6 hxg6 26. Nxg6+ Kh7 27. Nxf8+ Rxf8 28. Qe4+ Kg8 29. Qxe7 a5 30. f3 Nf6 31. Qe6+ Kh8 32. Re5 Qg6 33. Qf5 Qf7 34. d5 Qa7+ 35. Bf2 Qc7 36. g3 Qc1+ 37. Re1 Qxb2 38. Re7 Qxa2 39. d6 Qa1+ 40. Kg2 Qd1 41. Qg6 Rg8 42. d7 b3 43. Rf7 b2 44. Rxg7 Rxg7 45. Qxf6 Qxd7 46. Qxb2 Kg8 47. Qa2+ Rf7 48. Qxa5 Qd3 49. Qg5+ Kh7 50. Qh4+ Kg8 51. Qg4+ Rg7 52. Qd4 Qc2 53. Qe4 Qa2 54. g4 Rd7 55. Qe8+ 1-0

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.22"]
[Round "2"]
[White "Malinin, Yuri"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2368"]
[BlackElo "2225"]
[PlyCount "150"]
[EventDate "2008.03.21"]
[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 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. exd6 Qf6 7. e3 Nxf2 8. Kxf2 g5 9. Ne4 Qxb2+ 10. Qe2 Qxe2+ 11. Nxe2 gxf4 12. Nxf4 Bxd6 13. Nxd6+ cxd6 14. Rd1 Nc6 15. Rxd6 Ke7 16. c5 Rd8 17. Rxd8 Nxd8 18. Bd3 h6 19. Rb1 Bd7 20. Be4 Rc8 21. Nd3 Be6 22. Rb4 Rc7 23. a3 Bc8 24. Bd5 Ne6 25. Bxe6 Bxe6 26. Nf4 Kf6 27. e4 Rxc5 28. Rxb7 Ra5 29. Nxe6 Kxe6 30. Rb3 Ke5 31. Rh3 Kxe4 32. Rxh6 f5 33. Rh4+ Ke5 34. a4 Kf6 35. Rb4 Kg5 36. Ke3 Rc5 37. Kd3 a6 38. Rc4 Re5 39. Rc6 Ra5 40. Rc4 Re5 41. Rd4 Re1 42. Kc4 f4 43. Kb4 Re2 44. Rd8 Kf5 45. Rf8+ Ke4 46. Rg8 Kd3 47. h4 Re6 48. h5 Re5 49. h6 a5+ 50. Kb3 Rh5 51. Rh8 Ke3 52. h7 Kf2 53. g4 Rh3+ 54. Kc4 f3 55. g5 Kg2 56. g6 f2 57. Rf8 Rf3 58. Rxf3 Kxf3 59. h8Q f1Q+ 60. Kc5 Qg1+ 61. Qd4 Qxg6 62. Qd5+ Qe4 63. Qd1+ Kf4 64. Kb5 Qb7+ 65. Kxa5 Qa7+ 66. Kb4 Qb6+ 67. Ka3 Qc5+ 68. Kb3 Qb6+ 69. Ka2 Ke4 70. Qd2 Qd4 71. Qg2+ Kd3 72. Qf1+ Kc3 73. Qf3+ Kb4 74. Qb3+ Kc5 75. Qb5+ Kd6 1/2-1/2

[Event "Northwest FR-ch"]
[Site "St Petersburg"]
[Date "2008.03.21"]
[Round "1"]
[White "Koba, Igor"]
[Black "Dergachev, Evgeny Nikolaevich"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2225"]
[PlyCount "55"]
[EventDate "2008.03.21"]
[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. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Qe7 5. c3 a6 6. Ba4 b5 7. Bc2 Bb7 8. d4 Bb6 9. Re1 Nf6 10. a4 0-0 11. Bg5 d6 12. axb5 axb5 13. Rxa8 Rxa8 14. Na3 Na7 15. Nh4 exd4 16. Nf5 Qe6 17. Bb3 d5 18. Nxd4 Bxd4 19. Qxd4 Nc6 20. Qd1 Re8 21. Nxb5 Nxe4 22. Nxc7 Qf5 23. Nxe8 Qxf2+ 24. Kh1 Nxg5 25. Nd6 g6 26. Nxb7 Ne4 27. Bxd5 Qa7 28. Bxe4 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.07.08"]
[Round "9"]
[White "Koba, Igor"]
[Black "Simonov, Vladimir"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2225"]
[BlackElo "2297"]
[PlyCount "25"]
[EventDate "2007.06.25"]
[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 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nc7 8. Bc4 b5 9. Bb3 Bg7 10. Nc3 Bb7 11. Qf4 0-0 12. a4 Ne6 13. Qe3 1/2-1/2

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.29"]
[Round "8"]
[White "Koba, Igor"]
[Black "Nikolaev, Evgeny1111"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2225"]
[BlackElo "2064"]
[PlyCount "95"]
[EventDate "2007.06.25"]
[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. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Nbd2 Nxd2 11. Nxd2 cxd4 12. cxd4 f6 13. exf6 exf6 14. Nb3 Qb6 15. Qf3 g5 16. Bd2 h6 17. Qg3 Qd8 18. Ba5 Qd7 19. Nc5 Qf7 20. Qc7 Qxc7 21. Bxc7 Bf5 22. Re3 Rfe8 23. Rae1 Rxe3 24. Rxe3 Kf7 25. Nb7 Bf8 26. Nd8+ Kg7 27. Rc3 c5 28. dxc5 Rc8 29. Ba5 Rxc5 30. Nc6 Rxc3 31. Bxc3 Bc5 32. Bd4 Bxd4 33. Nxd4 Bd7 34. Kf1 f5 35. g3 Kf6 36. f4 Ke7 37. b4 Kf6 38. Kf2 g4 39. Ke3 Ke7 40. Ne2 Kd6 41. Kd4 Bc6 42. Nc3 a6 43. Ne2 Bb5 44. Nc1 Bd7 45. Nd3 Be6 46. Nc5 Bc8 47. a4 Kc6 48. Nxa6 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.28"]
[Round "6"]
[White "Koba, Igor"]
[Black "Shestakov, Andrey"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2225"]
[PlyCount "55"]
[EventDate "2007.06.25"]
[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 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. d4 cxd4 7. Nxd4 d6 8. Nb5 Ng8 9. c4 a6 10. Nd4 Bg7 11. Be3 Nge7 12. Nc3 0-0 13. 0-0 Qc7 14. Rc1 Bd7 15. b3 Rac8 16. Qd2 Rfd8 17. Rfd1 Be8 18. Nd5 exd5 19. cxd5 Qb8 20. dxc6 bxc6 21. Bg5 Qb7 22. Qf4 d5 23. Qh4 Bf8 24. Bh3 Rb8 25. Re1 Bd7 26. Bg2 Be6 27. Nxe6 fxe6 28. Bh3 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.28"]
[Round "7"]
[White "Tachalov, Vyacheslav"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "2225"]
[PlyCount "116"]
[EventDate "2007.06.25"]
[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 d5 2. e5 c5 3. g3 h5 4. Bg2 Bg4 5. f3 Bf5 6. d3 Nc6 7. f4 Bg4 8. Nf3 h4 9. c3 e6 10. Be3 Nh6 11. Nbd2 Nf5 12. Bf2 Be7 13. Qb3 Qd7 14. Nxh4 Nxh4 15. gxh4 Bxh4 16. Nf3 Bxf2+ 17. Kxf2 0-0-0 18. Rag1 f6 19. exf6 gxf6 20. Qc2 Qh7 21. Qd2 e5 22. h4 e4 23. Ne1 exd3 24. Nxd3 c4 25. Ne1 Rhe8 26. Nf3 Qf5 27. Re1 Re4 28. Rxe4 dxe4 29. Nd4 Qc5 30. Bh3 Bxh3 31. Rxh3 Nxd4 32. cxd4 Rxd4 33. Qe3 Rd2+ 34. Ke1 Qxe3+ 35. Rxe3 Rxb2 36. Rh3 Rg2 37. h5 Rg8 38. Kd2 Kd7 39. Ke3 f5 40. Kd4 b5 41. Ke5 e3 42. Kxf5 e2 43. Rh1 c3 44. h6 c2 45. h7 Rb8 46. Ke4 Rh8 47. Kd3 Ke6 48. Kxe2 Rxh7 49. Rc1 Rh4 50. Ke3 Rh2 51. Kd3 Rf2 52. Ke3 Rg2 53. Kd3 Rg3+ 54. Kxc2 Rf3 55. Rb1 a6 56. a4 bxa4 57. Rb6+ Kd5 58. Rxa6 Rxf4 1/2-1/2

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.27"]
[Round "5"]
[White "Golovkina, Olga"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2150"]
[BlackElo "2225"]
[PlyCount "85"]
[EventDate "2007.06.25"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. Nc3 Bg7 7. Be3 0-0 8. Be2 Nc6 9. Qd2 e5 10. d5 Ne7 11. Bh6 Bxh6 12. Qxh6 Nf5 13. Qd2 Qe7 14. Ne4 Nd6 15. Nxd6 cxd6 16. h4 Bg4 17. Ng5 Bxe2 18. Qxe2 h6 19. Ne4 f5 20. Nd2 Rac8 21. g4 f4 22. Qe4 Qf7 23. h5 g5 24. f3 Nd7 25. Qe2 b5 26. Ne4 Qe7 27. cxb5 Nb6 28. 0-0 Nxd5 29. Rfd1 Ne3 30. Rxd6 Rc2 31. Rg6+ Kh7 32. Qd3 Rd8 33. Rd6 Rxd6 34. Nxd6+ Kh8 35. Nf5 Qc7 36. Nxe3 fxe3 37. Qxe3 e4 38. Qd4+ Kg8 39. Qd5+ Kg7 40. Qd4+ Kf7 41. Kf1 Qh2 42. Qd5+ Kg7 43. Qd4+ 1/2-1/2

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.27"]
[Round "4"]
[White "Koba, Igor"]
[Black "Ptushkina, Alena"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2225"]
[BlackElo "1925"]
[PlyCount "125"]
[EventDate "2007.06.25"]
[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. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. c3 Nf6 6. Qe2 0-0 7. 0-0 b5 8. Bb3 d6 9. h3 h6 10. Rd1 Re8 11. d3 Be6 12. Bc2 Bb6 13. Nbd2 a5 14. Nf1 d5 15. Ng3 d4 16. Bb3 b4 17. Bxe6 Rxe6 18. c4 a4 19. Nf5 b3 20. a3 Bc5 21. g4 Nh7 22. Kg2 Ng5 23. Nh2 Bf8 24. h4 Nh7 25. Nf3 Rg6 26. Kh3 Re6 27. Bd2 Ne7 28. Rg1 Ng6 29. h5 Ne7 30. Rg3 Nc6 31. Kg2 Ng5 32. Rh1 f6 33. N3h4 Ne7 34. Bxg5 fxg5 35. Nxe7+ Bxe7 36. Nf5 Rb8 37. Rf3 Reb6 38. Ra1 Rf6 39. Ng3 Rxf3 40. Qxf3 Qf8 41. Qf5 Qxf5 42. exf5 Kf7 43. Kf3 Rd8 44. c5 Bxc5 45. Rc1 Bd6 46. Rc4 Ra8 47. Ne4 Ra7 48. Nd2 Rb7 49. Rxa4 Ke7 50. Ra5 Rb6 51. Ke4 Kf6 52. Kd5 Rb8 53. Ne4+ Ke7 54. Nxd6 cxd6 55. Ra7+ Kf8 56. f3 Rc8 57. Rb7 Rc2 58. Rxb3 Rf2 59. a4 Rxf3 60. a5 Rf1 61. a6 Rc1 62. a7 Rc8 63. Rb8 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.26"]
[Round "3"]
[White "Arakelov, Ilya Sergeevich"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2398"]
[BlackElo "2225"]
[PlyCount "77"]
[EventDate "2007.06.25"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Na6 8. d5 Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 b6 12. Nd2 Ng4 13. Bxg4 Bxg4 14. a3 Na6 15. Rab1 Bd7 16. b4 axb4 17. axb4 f5 18. f3 f4 19. Bf2 Bf6 20. Kh1 Be7 21. Ne2 g5 22. Qc3 h5 23. Ra1 g4 24. Ra3 Bh4 25. Bg1 g3 26. Rfa1 Rf7 27. Qc1 gxh2 28. Bxh2 Bf2 29. Rxa6 Rxa6 30. Rxa6 h4 31. Ng1 Be3 32. Ra2 h3 33. Nxh3 Rh7 34. Qf1 Qc8 35. Nb3 Rh5 36. Qa1 Be8 37. Nd2 Bd4 38. Ra8 Qd7 39. Qa6 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.26"]
[Round "2"]
[White "Koba, Igor"]
[Black "Khachapuridze, David"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2225"]
[BlackElo "2012"]
[PlyCount "89"]
[EventDate "2007.06.25"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. h3 Nf6 5. Nf3 0-0 6. Be3 Nbd7 7. a4 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Bc4 b6 12. a5 Bb7 13. f3 Bc6 14. 0-0 Rab8 15. axb6 axb6 16. Ra7 Rb7 17. Rfa1 Ne8 18. Bd5 Bxd5 19. Nxd5 Rdb8 20. Ne7+ Kf8 21. Rxb7 Rxb7 22. Nc6 f5 23. Ra8 Bf6 24. g4 fxe4 25. fxe4 g5 26. Kg2 Kf7 27. Kf3 Nd6 28. b3 Nb5 29. c4 Nd6 30. Nb4 h6 31. Bd2 Ke6 32. Bc3 c5 33. Nd3 Re7 34. Ra6 Rb7 35. b4 cxb4 36. Bxb4 Be7 37. c5 Nc4 38. Bc3 Bf6 39. Ra4 b5 40. Ra6+ Ke7 41. Nb4 Bg7 42. Nd5+ Kf7 43. c6 Rb8 44. Ra7+ Kg8 45. c7 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2007.06.25"]
[Round "1"]
[White "Gevondyn, Anysh"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "2225"]
[PlyCount "82"]
[EventDate "2007.06.25"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. h3 Na5 7. Bb5+ c6 8. Ba4 b5 9. Bb3 0-0 10. Be3 Qc7 11. Nbd2 Re8 12. Ng5 Nxb3 13. axb3 h6 14. Ngf3 Bf8 15. b4 c5 16. bxc5 dxc5 17. Nb3 c4 18. Nc1 a6 19. Re1 Bb7 20. Nd2 Rac8 21. d4 exd4 22. Bxd4 Nxe4 23. Nxe4 Bxe4 24. Ne2 Bb7 25. Ng3 Qc6 26. f3 Qg6 27. Rxe8 Rxe8 28. Kh2 Bd6 29. Bf2 h5 30. h4 Rd8 31. f4 Be7 32. Qxh5 Qxc2 33. Qe2 Qxe2 34. Nxe2 Rd2 35. Re1 Bf6 36. Kg3 Bxb2 37. Ng1 c3 38. Nf3 Bxf3 39. Kxf3 c2 40. Be3 Rd1 41. Ke2 Rxe1+ 0-1

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.20"]
[Round "9"]
[White "Koba, Igor"]
[Black "Uzhva, Andrey Nikolaevich"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2225"]
[BlackElo "2244"]
[PlyCount "69"]
[EventDate "2007.06.12"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 Nc6 8. Nb3 0-0 9. Re1 Be6 10. Bf1 Rc8 11. Nd5 Ne5 12. a4 Nc4 13. a5 Qd7 14. c3 Rfe8 15. Nf4 Ne5 16. Nxe6 fxe6 17. g3 Rf8 18. f4 Nc6 19. Bh3 Kf7 20. Nd4 Nxd4 21. cxd4 Qb5 22. e5 Nd5 23. exd6 Rc4 24. Bxe6+ Ke8 25. Bxd5 Bxd4+ 26. Be3 Qxd5 27. Bxd4 Rxd4 28. Rxe7+ Kd8 29. Qc2 Qxd6 30. Rxb7 Rd2 31. Qc4 Re8 32. Rf1 Ree2 33. Qg8+ Re8 34. Qc4 Ree2 35. Qg8+ 1/2-1/2

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.19"]
[Round "7"]
[White "Koba, Igor"]
[Black "Gritsenko, Vladimir"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2225"]
[BlackElo "2220"]
[PlyCount "77"]
[EventDate "2007.06.12"]
[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 e6 3. d3 Nc6 4. g3 g6 5. d4 cxd4 6. Nxd4 d6 7. Bg2 a6 8. 0-0 Bg7 9. Be3 Nge7 10. c4 0-0 11. Nc3 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Nc6 14. Qd2 e5 15. Rad1 Bg4 16. f3 Be6 17. b3 Qb6+ 18. Kh1 Nd4 19. f4 Qd8 20. f5 gxf5 21. exf5 Bxf5 22. Nd5 f6 23. Qh6 Bg6 24. g4 Kh8 25. h4 f5 26. g5 Ne2 27. Kh2 f4 28. h5 Bf5 29. Nf6 Rf7 30. Rfe1 Ng3 31. c5 Bc2 32. Bh3 Bxd1 33. Rxd1 Qf8 34. Qxf8+ Rfxf8 35. cxd6 e4 36. h6 e3 37. Kg2 e2 38. Rc1 Rad8 39. Kf2 1-0

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.19"]
[Round "8"]
[White "Vostruhin, Oleg"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2119"]
[BlackElo "2225"]
[PlyCount "32"]
[EventDate "2007.06.12"]
[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. Nf3 g6 3. Nc3 d5 4. Bf4 c6 5. Qd2 Bg7 6. Bh6 Bxh6 7. Qxh6 Bf5 8. Qd2 Nbd7 9. e3 Qc7 10. Bd3 Ne4 11. Bxe4 dxe4 12. Nh4 0-0-0 13. Nxf5 gxf5 14. 0-0-0 Rhg8 15. g3 Ne5 16. Ne2 Ng4 1/2-1/2

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.18"]
[Round "6"]
[White "Osipov, Alexander"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2026"]
[BlackElo "2225"]
[PlyCount "89"]
[EventDate "2007.06.12"]
[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 f5 2. b3 Nf6 3. Bb2 g6 4. g3 Bg7 5. Bg2 0-0 6. e3 d6 7. Ne2 c6 8. 0-0 Na6 9. d3 h6 10. a3 Bd7 11. b4 Nc7 12. Nd2 Qe8 13. Qb3 Kh8 14. Rae1 g5 15. e4 Qh5 16. d4 fxe4 17. Nxe4 Nxe4 18. Bxe4 Bh3 19. Bg2 Rf7 20. Bxh3 Qxh3 21. d5 e5 22. Qd3 cxd5 23. cxd5 Raf8 24. Rc1 Rf3 25. Qe4 Qd7 26. Qc4 Qb5 27. Qxb5 Nxb5 28. Nc3 Nxc3 29. Bxc3 Rd3 30. Rfd1 Rff3 31. Bb2 Rxd1+ 32. Rxd1 Rb3 33. Bc1 g4 34. Kf1 Kh7 35. Ke2 Kg6 36. Rd3 Rxd3 37. Kxd3 b5 38. Ke4 h5 39. Be3 a6 40. Bc1 Bf6 41. Be3 Bd8 42. Ba7 Bg5 43. Bb8 Be7 44. Bc7 Kg5 45. Bb8 1/2-1/2

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.16"]
[Round "5"]
[White "Koba, Igor"]
[Black "Ulanov, Alexandr"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2225"]
[BlackElo "2117"]
[PlyCount "70"]
[EventDate "2007.06.12"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3 e6 9. Bc4 Bb4 10. 0-0 0-0 11. Ne4 Nbd7 12. Bb3 Rc8 13. Rfd1 Nxe4 14. Qxe4 Nf6 15. Qf3 b5 16. a4 a6 17. axb5 axb5 18. Bg5 Be7 19. Ra6 Nd5 20. Bxe7 Qxe7 21. c3 Qb7 22. Rda1 Nb6 23. Ra7 Qb8 24. R1a6 Rc7 25. Rxc7 Qxc7 26. Bc2 g6 27. h4 c5 28. dxc5 Qxc5 29. h5 Nd5 30. Be4 Nc7 31. Rc6 Qe5 32. Qe3 Rd8 33. f4 Nd5 34. fxe5 Nxe3 35. hxg6 hxg6 1/2-1/2

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.15"]
[Round "4"]
[White "Savitskiy, Sergey"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2096"]
[BlackElo "2225"]
[PlyCount "40"]
[EventDate "2007.06.12"]
[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 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. c4 Nb6 5. Nc3 g6 6. c5 Nd5 7. Bc4 c6 8. Qb3 Bg7 9. Nxd5 cxd5 10. Bxd5 0-0 11. 0-0 Nc6 12. Bxc6 bxc6 13. Re1 Be6 14. Rxe6 Rb8 15. Qc4 fxe6 16. Qxe6+ Kh8 17. d4 Rf6 18. Qe4 Qd7 19. Bf4 Qg4 20. g3 Rbf8 0-1

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.14"]
[Round "3"]
[White "Koba, Igor"]
[Black "Tkachuk, Andrey"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2225"]
[BlackElo "2148"]
[PlyCount "113"]
[EventDate "2007.06.12"]
[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. Bb5 d6 4. 0-0 Bd7 5. Re1 a6 6. Bf1 e5 7. c3 Nf6 8. h3 Be7 9. d4 Qc7 10. d5 Na7 11. a4 0-0 12. a5 Ne8 13. Nbd2 f5 14. exf5 Bxf5 15. Nc4 Nc8 16. Bd3 Bd8 17. Ng5 Bxg5 18. Bxg5 Bxd3 19. Qxd3 Ne7 20. f4 Ng6 21. fxe5 Nxe5 22. Nxe5 dxe5 23. Rad1 c4 24. Qe4 h6 25. Be3 Nf6 26. d6 Qxa5 27. Qxc4+ Kh8 28. b4 Qa4 29. Qc7 Qd7 30. c4 Rac8 31. Qxd7 Nxd7 32. c5 Kg8 33. Rb1 Rc6 34. b5 axb5 35. Rxb5 b6 36. cxb6 Rxd6 37. b7 Re6 38. Ba7 Ree8 39. Reb1 Nb8 40. Bxb8 Rxb8 41. Rxe5 Rf7 42. Reb5 Kh7 43. Rb6 Kg8 44. g4 Kh7 45. Kg2 g6 46. Kg3 Kg7 47. h4 Kh7 48. R1b3 Kg7 49. R3b5 Kh7 50. h5 gxh5 51. Rxh5 Rbxb7 52. Rhxh6+ Kg8 53. Rxb7 Rxb7 54. Kh4 Kg7 55. Ra6 Rb5 56. g5 Rb1 57. Ra7+ 1/2-1/2

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.13"]
[Round "2"]
[White "Bykov, Alexey1111"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2093"]
[BlackElo "2225"]
[PlyCount "68"]
[EventDate "2007.06.12"]
[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 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. b3 0-0 9. Bb2 f5 10. d3 Bf6 11. Nd2 Be6 12. Nc4 Nxc4 13. bxc4 Ne7 14. Rb1 c6 15. Qc2 Qa5 16. Na4 Rad8 17. Bc3 Qc7 18. Nc5 Bc8 19. a4 b6 20. Nb3 c5 21. a5 Bd7 22. axb6 axb6 23. Nd2 Bc6 24. Rb3 Ba4 25. Qb2 Bxb3 26. Qxb3 Nc6 27. Rb1 Rb8 28. e3 Rfd8 29. Bf1 Rd6 30. Qb2 Qd7 31. Rd1 e4 32. Bxf6 gxf6 33. d4 cxd4 34. exd4 Rxd4 0-1

[Event "Voronezh op-B 11th"]
[Site "Voronezh"]
[Date "2007.06.12"]
[Round "1"]
[White "Koba, Igor"]
[Black "Karibov, Evgeny"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2225"]
[BlackElo "1933"]
[PlyCount "120"]
[EventDate "2007.06.12"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 Qb6 6. Rb1 Nbd7 7. Qd2 Qc7 8. g4 b5 9. h4 h5 10. g5 Nh7 11. a4 b4 12. Nd1 a5 13. f4 Nb6 14. d5 Nxa4 15. Nf3 c5 16. Be2 Bg7 17. 0-0 0-0 18. e5 Qd7 19. Nf2 Bb7 20. c4 Nb6 21. Ne4 Ba6 22. Rbc1 Bc8 23. Kf2 Qc7 24. Bd3 Bg4 25. Nh2 Bf5 26. Ng3 Bxd3 27. Qxd3 dxe5 28. f5 e4 29. Qxe4 Be5 30. Rg1 Nd7 31. Nf3 Qd6 32. Nxe5 Nxe5 33. Kg2 Ng4 34. Bf4 Qb6 35. d6 exd6 36. fxg6 fxg6 37. Qxg6+ Kh8 38. Nf5 Qb7+ 39. Kg3 Qf7 40. Qxf7 Rxf7 41. Nxd6 Rff8 42. Rgd1 a4 43. Ra1 a3 44. bxa3 Rxa3+ 45. Rxa3 bxa3 46. Ra1 Ra8 47. Ra2 Nf8 48. Bc1 Ra6 49. Ne4 Ra4 50. Nd2 Ne6 51. Rxa3 Rxa3+ 52. Bxa3 Ne3 53. Ne4 Nxc4 54. Bxc5 Nxc5 55. Nxc5 Nd6 56. Kf4 Kg7 57. Ne4 Nf7 58. Kf5 Nh8 59. Nf6 Ng6 60. Nxh5+ Kf7 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.29"]
[Round "9"]
[White "Koba, Igor"]
[Black "Lebedev, Alexander1111"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2219"]
[BlackElo "2268"]
[PlyCount "69"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nbd7 6. Nge2 0-0 7. 0-0 c6 8. a4 Qc7 9. h3 e5 10. Be3 Re8 11. g4 Nf8 12. f4 exf4 13. Bxf4 Ne6 14. Be3 Nd7 15. Qd2 Rb8 16. Rf2 a6 17. Raf1 Rf8 18. Bh6 b5 19. Bxg7 Nxg7 20. axb5 axb5 21. Qg5 Nb6 22. e5 d5 23. b3 Be6 24. Nd1 Qd8 25. Qh6 Qe7 26. Ne3 Rfd8 27. Nf5 Qf8 28. Nd6 Rd7 29. Nf4 Qe7 30. Nxe6 Qxe6 31. Rxf7 Rxf7 32. Rxf7 Qxf7 33. Nxf7 Kxf7 34. Qxh7 Rf8 35. Bf1 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.28"]
[Round "8"]
[White "Dmitriev, Igor"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2348"]
[BlackElo "2219"]
[PlyCount "73"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. Nf3 cxd4 4. Nxd4 d5 5. Bg2 e5 6. Nb3 Nc6 7. Bg5 Be6 8. Bxf6 gxf6 9. 0-0 Be7 10. Qd2 Qd7 11. Rd1 0-0-0 12. Qh6 Qc7 13. Nc3 d4 14. Ne4 f5 15. Nec5 Bd5 16. Qh3 Bxc5 17. Nxc5 Ne7 18. Bxd5 Rxd5 19. b4 Kb8 20. Qh5 Nc6 21. c4 Rdd8 22. Rab1 f4 23. Ne4 fxg3 24. hxg3 d3 25. Rxd3 Nd4 26. c5 f5 27. Nd6 Rdf8 28. e3 Nf3+ 29. Qxf3 e4 30. Nxe4 fxe4 31. Qxe4 Rhg8 32. Qh4 h5 33. Rbd1 a6 34. Rd7 Qc6 35. Rd8+ Ka7 36. Rxf8 Rxf8 37. Qxh5 1-0

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.27"]
[Round "7"]
[White "Arakelov, Ilya Sergeevich"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2395"]
[BlackElo "2219"]
[PlyCount "98"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 0-0 7. 0-0 Ngxe5 8. Nxe5 Nxe5 9. Nc3 Re8 10. b3 a5 11. Qd5 d6 12. Bb2 c6 13. Qd2 Qh4 14. Na4 Ng4 15. Bxg4 Bxg4 16. Nxc5 dxc5 17. f3 Be6 18. Qc3 Qh6 19. a4 b6 20. e4 Rad8 21. Rad1 f6 22. Bc1 Qg6 23. Bf4 Qf7 24. Rd2 Rxd2 25. Qxd2 Qb7 26. Qd6 Kf7 27. Rd1 Re7 28. Qd3 Rd7 29. Bd6 Kg8 30. f4 Qa6 31. f5 Bf7 32. g4 Qa8 33. h4 Qd8 34. Kg2 Bd5 35. exd5 Rxd6 36. Qe4 Kf7 37. Kf3 cxd5 38. cxd5 Qe7 39. Qf4 Qd7 40. Rd3 h6 41. h5 Kf8 42. Qe4 Qe7 43. Qf4 Qd7 44. Qc4 Qb7 45. Kg3 Qe7 46. Qf4 Qe1+ 47. Kh3 Qh1+ 48. Kg3 Qg1+ 49. Kh3 Qh1+ 1/2-1/2

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.26"]
[Round "6"]
[White "Koba, Igor"]
[Black "Buharin, Anton"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2219"]
[BlackElo "1800"]
[PlyCount "109"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc5 e5 6. Nxb7 Qxd4 7. Qxd4 exd4 8. Bd3 Bxd3 9. cxd3 Nd7 10. Bf4 Bb4+ 11. Ke2 Ne7 12. Nd6+ Bxd6 13. Bxd6 0-0 14. Kd2 Rfe8 15. Rc1 Rac8 16. Nf3 Nf5 17. Bc5 Red8 18. Rhe1 Nf6 19. h3 h5 20. Be7 Rd5 21. Rc4 Nd7 22. Ba3 c5 23. Rec1 Nd6 24. Ra4 Nb5 25. Ra5 Rb8 26. b3 Nxa3 27. Rxa3 Rb7 28. Ra5 g6 29. Rc4 g5 30. Rca4 g4 31. hxg4 hxg4 32. Nh4 Rb6 33. Rxa7 Rf6 34. Ke2 Re5+ 35. Kf1 Rfe6 36. g3 Re1+ 37. Kg2 Ne5 38. R4a6 Rxa6 39. Rxa6 Nxd3 40. a4 Re2 41. Rf6 Nb4 42. Nf5 d3 43. Rd6 Rb2 44. Nh6+ Kg7 45. Nxg4 Rxb3 46. Ne5 Rc3 47. a5 c4 48. a6 Nxa6 49. Nxc4 Rxc4 50. Rxa6 Rd4 51. Ra1 Kf6 52. Kf3 Kg5 53. Rd1 Rd6 54. Ke3 Kg4 55. Rxd3 1/2-1/2

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.25"]
[Round "5"]
[White "Radzhabov, Roman"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2219"]
[PlyCount "74"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. Nc3 Bg7 7. h3 0-0 8. Be3 Nc6 9. Qd2 e5 10. d5 Na5 11. b3 e4 12. Nd4 f5 13. Bg5 Qe8 14. Ncb5 c5 15. Nc7 Qe5 16. Nxa8 Nxa8 17. Nc2 f4 18. Qxa5 Qxg5 19. Rd1 e3 20. Qxc5 b6 21. Qc6 Qh4 22. Rd3 Qxf2+ 23. Kd1 Bf5 24. d6 Bxd3 25. Qd5+ Kh8 26. Qxd3 Rd8 27. b4 Nc7 28. c5 bxc5 29. bxc5 Nb5 30. d7 Nc3+ 31. Kc1 Nxa2+ 32. Kd1 Nc3+ 33. Kc1 e2 34. c6 e1Q+ 35. Nxe1 Qxe1+ 36. Kc2 Qb1+ 37. Kd2 Qd1# 0-1

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.24"]
[Round "4"]
[White "Koba, Igor"]
[Black "Masalov, Andrey"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2219"]
[BlackElo "2222"]
[PlyCount "138"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 c6 6. Qd2 b5 7. g4 h5 8. g5 Nh7 9. f4 a6 10. Nf3 0-0 11. Be2 d5 12. a3 Bg4 13. h3 Bxf3 14. Bxf3 dxe4 15. Bxe4 e6 16. 0-0 Qd6 17. Qg2 Bxd4 18. Bxd4 Qxd4+ 19. Kh1 Qc5 20. Rad1 Ra7 21. Rd3 Rc7 22. Rfd1 Qe7 23. Rd6 Rfc8 24. h4 c5 25. Bf3 Rd7 26. Rxd7 Nxd7 27. Bb7 Rb8 28. Bxa6 b4 29. Ne4 Nb6 30. Qf2 bxa3 31. bxa3 Qa7 32. Bf1 Qxa3 33. Rb1 Qa8 34. Bg2 Nd5 35. Rf1 Qa3 36. Re1 c4 37. Ng3 Qd6 38. f5 exf5 39. Rd1 Qf4 40. Qxf4 Nxf4 41. Bf1 c3 42. Rd4 Ne6 43. Rc4 Nhf8 44. Rxc3 Nd7 45. Rb3 Rc8 46. c4 Ndc5 47. Rb1 Rd8 48. Ne2 Rd2 49. Ra1 Ne4 50. Kg1 f4 51. Ra3 Rd1 52. Nc3 Nxc3 53. Rxc3 Nc5 54. Kg2 Kf8 55. Be2 Rd4 56. Bf3 Rd2+ 57. Kf1 Ke7 58. Bd5 Nd7 59. Rf3 Rd4 60. Ra3 Ne5 61. Ra7+ Kf8 62. Kf2 f3 63. Kg3 Rg4+ 64. Kf2 Rf4 65. Ra8+ Kg7 66. Ra1 Rxh4 67. c5 Rd4 68. Bb3 Rd3 69. Bd1 Ng4+ 0-1

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.24"]
[Round "3"]
[White "Tachalov, Vyacheslav"]
[Black "Koba, Igor"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2219"]
[PlyCount "118"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. e4 c5 7. Nbd2 Nc6 8. Nh4 e5 9. c3 Rb8 10. a4 a6 11. Qe1 b5 12. axb5 axb5 13. f4 exf4 14. gxf4 Na5 15. b4 cxb4 16. cxb4 Nc6 17. Nb3 Ng4 18. Rb1 Nxb4 19. Qxb4 Qxh4 20. h3 Nf6 21. Rf3 Ne8 22. Be3 Bd7 23. d4 Ra8 24. Na5 Qd8 25. Bd2 Qb6 26. Rd3 Nc7 27. Kh2 Ra6 28. Ra1 Rfa8 29. Ra2 d5 30. Qc5 Qb8 31. exd5 Bf8 32. Qc1 Bd6 33. Ra1 Qb6 34. Nb3 Rxa1 35. Nxa1 Bf5 36. Rc3 Qxd4 37. Nb3 Qa7 38. Rc6 Ne8 39. Ba5 Qb8 40. Bd2 Ra4 41. Nc5 Rxf4 42. Kh1 Rh4 43. Qc3 Be5 44. Qb3 Nd6 45. Na6 Qd8 46. Qe3 Ne4 47. Be1 Qxd5 48. Nb4 Qd1 49. Rc1 Ng3+ 50. Qxg3 Bxg3 51. Rxd1 Bxe1 52. Nd5 Bb4 53. Ra1 Kg7 54. Nc7 Bc3 55. Ra7 b4 56. Bd5 Be4+ 57. Bxe4 Rxe4 58. Rb7 Re7 59. Kg2 Be5 0-1

[Event "Rybinsk op"]
[Site "Rybinsk"]
[Date "2006.06.23"]
[Round "2"]
[White "Koba, Igor"]
[Black "Malyutin, Vyacheslav"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2219"]
[BlackElo "15"]
[PlyCount "101"]
[EventDate "2006.06.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Bxc6 bxc6 7. Nc3 Nf6 8. 0-0 Be7 9. Qf3 0-0 10. Re1 c5 11. Nf5 Bxf5 12. Qxf5 Qd7 13. Nd5 Rad8 14. Nxe7+ Qxe7 15. b3 h6 16. Bb2 Nh7 17. Re3 Qd7 18. Qxd7 Rxd7 19. e5 Re8 20. Rd1 Kf8 21. Red3 Red8 22. f4 f5 23. exf6 Nxf6 24. Bxf6 gxf6 25. Rh3 Rh7 26. Rd5 Kf7 27. Rdh5 Rdh8 28. Kf2 Ke6 29. f5+ Ke5 30. Re3+ Kd5 31. c4+ Kc6 32. Re6 Rf8 33. Rh3 a5 34. Rg3 h5 35. Rg6 Rhf7 36. Rh6 a4 37. Rxh5 Rb8 38. Rh3 axb3 39. axb3 Kb6 40. Rd3 Ka5 41. Kf3 Kb4 42. Ke4 Ka3 43. Kd5 Rxb3 44. Rxb3+ Kxb3 45. Re4 Rf8 46. h4 Rd8 47. h5 Rg8 48. Rh4 Rxg2 49. h6 Rg8 50. h7 Rh8 51. Ke6 1-0

[Event "Geller Memorial op"]
[Site "Moscow"]
[Date "2001.??.??"]
[Round "1"]
[White "Koba, Igor"]
[Black "Grebionkin, Vladimir"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2240"]
[BlackElo "2461"]
[PlyCount "68"]
[EventDate "2001.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. e5 Nd5 9. cxd4 Nc7 10. Ba4 b5 11. Bb3 d6 12. Ng5 Na5 13. Bc2 h6 14. Nf3 Bg4 15. h3 Bxf3 16. Qxf3 Ne6 17. Qg4 h5 18. Qe4 Rc8 19. Nc3 b4 20. Ne2 dxe5 21. dxe5 Rc4 22. Qd3 Bxe5 23. Bh6 Bg7 24. Bxg7 Kxg7 25. Rad1 Qxd3 26. Bxd3 Rc7 27. Be4 Nc5 28. Rd4 Nxe4 29. Rxe4 Rb8 30. Nf4 Rbb7 31. Nd5 Rd7 32. Nxe7 Rbc7 33. Re5 Nc4 34. Nd5 Rc6 0-1

[Event "Voronezh op 3rd"]
[Site "Voronezh"]
[Date "1999.06.15"]
[Round "4"]
[White "Koba, Igor"]
[Black "Losev, Dmitry"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2250"]
[BlackElo "2345"]
[PlyCount "90"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 a6 6. Ba4 e5 7. d4 b5 8. Bc2 Be7 9. 0-0 0-0 10. a4 Rb8 11. axb5 axb5 12. Rd1 Qb6 13. Nbd2 Bb7 14. b4 c4 15. Nf1 Ra8 16. Bg5 h6 17. Bh4 Rxa1 18. Rxa1 Ra8 19. Rxa8+ Bxa8 20. Ne3 Bf8 21. d5 Qa7 22. Qe1 Bb7 23. g4 Bc8 24. Kg2 g6 25. Qc1 Bg7 26. h3 Nf8 27. Bg3 N8h7 28. Qb2 Bf8 29. Nf1 Be7 30. Qc1 Qa2 31. Qb1 Qa3 32. Qe1 Qb2 33. Bd1 Qc1 34. Qd2 Qa1 35. Bc2 h5 36. N3h2 hxg4 37. hxg4 Nxg4 38. Nxg4 Bxg4 39. Nh2 Bg5 40. f4 exf4 41. Bxf4 Bxf4 42. Qxf4 Qxc3 43. Nxg4 Qxc2+ 44. Nf2 c3 45. Qxd6 Qd2 0-1

[Event "Voronezh op 3rd"]
[Site "Voronezh"]
[Date "1999.??.??"]
[Round "6"]
[White "Koba, Igor"]
[Black "Sergienko, Sergey"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2250"]
[BlackElo "2387"]
[PlyCount "102"]
[EventDate "1999.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 Ngf6 5. Nc3 a6 6. Bxd7+ Nxd7 7. 0-0 e6 8. Bg5 Qc7 9. Re1 cxd4 10. Nxd4 Ne5 11. f4 h6 12. Bh4 Ng6 13. Bg3 h5 14. h3 Be7 15. f5 Ne5 16. fxe6 fxe6 17. Nf3 Bd7 18. Nxe5 dxe5 19. Kh1 0-0-0 20. Qe2 g5 21. Rf1 Be8 22. Rad1 Rxd1 23. Qxd1 h4 24. Bh2 Bh5 25. Qd2 g4 26. Qe3 Qc4 27. Re1 Qd4 28. Qxd4 exd4 29. Be5 Rd8 30. Ne2 gxh3 31. Nxd4 hxg2+ 32. Kxg2 Rg8+ 33. Kh2 Kd7 34. Re3 Rg4 35. Ne2 Bg5 36. Rd3+ Ke7 37. Rd4 Be3 38. Rc4 b5 39. Rc7+ Kd8 40. Rh7 Bg6 41. Rg7 Rxe4 42. Bc7+ Kc8 43. Rxg6 Kxc7 44. Kg2 Bc5 45. Nc3 Re3 46. Kf1 Bd4 47. Nd1 Re4 48. c3 Bc5 49. Rf6 Kd6 50. Nf2 Re3 51. Rf4 h3 0-1

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "5"]
[White "Beznosikov, Vladimir"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "C57"]
[BlackElo "2250"]
[PlyCount "69"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. Bd5 Qe8 7. d4 Nxd4 8. c3 Nc6 9. b4 Bb6 10. b5 Nd8 11. f4 d6 12. fxe5 Ng4 13. exd6+ cxd6 14. Bf4 Ne5 15. Nf3 Qg6 16. Qe2 Qf6 17. Bg3 Bg4 18. Rf1 Rc8 19. Bxe5 dxe5 20. h3 Bd7 21. c4 Ne6 22. Nc3 Nf4 23. Qd2 Be3 24. Qc2 Qg6 25. Nxe5 Qg3+ 26. Kd1 Be8 27. Ng4 Bh5 28. Rf3 Bxg4 29. hxg4 Qxg4 30. Ne2 Nxd5 31. exd5 Bh6 32. c5 Rhd8 33. d6+ Ke8 34. Qb3 Qh5 35. Qe6# 1-0

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "9"]
[White "Koba, Igor"]
[Black "Gorshkov, Alexander A"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2250"]
[BlackElo "2350"]
[PlyCount "14"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 1/2-1/2

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "2"]
[White "Koba, Igor"]
[Black "Schupljak, R."]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2250"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 d6 7. Bc4 Nf6 8. Bg5 Bxf5 9. exf5 Be7 10. Bxf6 Bxf6 11. Ne4 Nd4 12. c3 d5 13. cxd4 dxc4 14. d5 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 Rd8 17. d6 Be7 18. Kc3 Bxd6 19. Kxc4 Ke7 20. Rhd1 Rc8+ 21. Kb3 Rc6 22. Rac1 Rhc8 23. Rxc6 Rxc6 24. Rd3 Bc5 25. Rc3 Bd4 26. Rxc6 bxc6 27. Ka4 Kd7 28. b3 f6 29. f3 1-0

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "4"]
[White "Koba, Igor"]
[Black "Skomorokhin, Roman"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2250"]
[BlackElo "2460"]
[PlyCount "56"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 d6 6. g3 Nf6 7. Bg2 Qc7 8. 0-0 Be7 9. Be3 Nc6 10. Nxc6 bxc6 11. Na4 Rb8 12. c4 0-0 13. b3 c5 14. Nc3 Bb7 15. g4 Bc6 16. g5 Nd7 17. f4 Rfe8 18. Qc2 Bf8 19. Rad1 Qb7 20. Bc1 a5 21. Rd3 a4 22. Nd5 axb3 23. axb3 g6 24. Rh3 Bg7 25. Bb2 Bxb2 26. Qxb2 exd5 27. exd5 Ba4 28. Qf2 Bxb3 0-1

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "6"]
[White "Koba, Igor"]
[Black "Ukhanov, Alexandr"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2250"]
[PlyCount "65"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d3 5. Bxd3 Bc5 6. 0-0 d6 7. h3 h6 8. Nbd2 Nf6 9. b4 Bb6 10. Nc4 Be6 11. a4 Bxc4 12. Bxc4 a5 13. b5 Ne5 14. Nxe5 dxe5 15. Qb3 0-0 16. Ba3 Nxe4 17. Bxf8 Nd2 18. Qa2 Nxf1 19. Bxf7+ Kxf8 20. Rxf1 Qf6 21. Bd5 Rb8 22. Rd1 c6 23. Rd3 Qxf2+ 24. Qxf2+ Bxf2+ 25. Kxf2 cxd5 26. Rxd5 Rc8 27. Rd7 b6 28. Rb7 Rxc3 29. Rxb6 Ra3 30. Ra6 Rxa4 31. Ra7 Kg8 32. b6 Rb4 33. Rxa5 1/2-1/2

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "7"]
[White "Koba, Igor"]
[Black "Vlasikhin, M."]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2250"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 Nc6 9. b3 0-0 10. Be2 Re8 11. Nf3 Bg4 12. 0-0 d5 13. c5 Nc8 14. h3 Bxf3 15. Bxf3 N6e7 16. Qd2 c6 17. g4 f6 18. h4 Kf7 19. Rfe1 Ng8 20. Bf4 Rxe1+ 21. Rxe1 Qd7 22. b4 a6 23. Na4 Nge7 24. Bg3 Ng8 25. Bf4 Nge7 26. Kg2 Ng8 27. Bg3 Nge7 28. Nb2 Na7 29. Nd3 Ng8 30. Qf4 1-0

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "8"]
[White "Malevinsky, Alexander A"]
[Black "Koba, Igor"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2385"]
[BlackElo "2250"]
[PlyCount "15"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. 0-0 d6 6. c3 0-0 7. Re1 Na5 8. Bb5 1/2-1/2

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "1"]
[White "Smirnov, V."]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "C47"]
[BlackElo "2250"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 Qe7+ 9. Qe2 Nxd5 10. Qxe7+ Kxe7 11. Bd2 Bxc3 12. bxc3 Be6 13. 0-0 Rhb8 14. f4 f6 15. Rfe1 Kf7 16. f5 Bd7 17. c4 Ne7 18. Rf1 Rb2 19. Bc3 Rb6 20. Ba5 c5 21. Be4 Bc6 22. Bxb6 axb6 23. Bxc6 Nxc6 24. a4 Ra5 25. g4 Ne5 26. Rf4 h6 27. Kg2 Ke7 28. Re4 Kf7 29. h4 Kf8 30. g5 hxg5 31. hxg5 Kf7 32. g6+ Ke7 33. Rh4 Kd6 34. Rh7 Nxc4 35. Rxg7 Ne3+ 36. Kf2 Nxf5 37. Rf7 Ra8 38. Re1 Nh4 39. g7 Rg8 40. Re8 Rxe8 41. Rf8 1-0

[Event "RUS-ch sf"]
[Site "Yaroslavl"]
[Date "1995.??.??"]
[Round "3"]
[White "Yakkimaienen, Vjaino"]
[Black "Koba, Igor"]
[Result "1-0"]
[ECO "A43"]
[BlackElo "2250"]
[PlyCount "37"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. Qxd5 Be7 7. e4 d6 8. Qh5 0-0 9. Bc4 Qe8 10. 0-0 Nd7 11. a4 Nf6 12. Qh4 d5 13. exd5 Nxd5 14. Bg5 Bxg5 15. Nxg5 Nf6 16. Rfe1 Qd8 17. Rad1 Qc7 18. Nxf7 Rxf7 19. Qg3 1-0

