[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.19"]
[Round "11"]
[White "Ershov, Boris Y"]
[Black "Kozenkov, Valery"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1971"]
[PlyCount "71"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 c5 6. c3 Nc6 7. Nbd2 b6 8. Ne5 Nxe5 9. Bxe5 Bd7 10. Qc2 cxd4 11. exd4 Rc8 12. Ba6 Ra8 13. Bb7 Rb8 14. Bxb8 Qxb8 15. Ba6 b5 16. a4 bxa4 17. 0-0 Bd6 18. Nf3 g5 19. Rfe1 Ne4 20. Bd3 f5 21. Ne5 Bxe5 22. dxe5 g4 23. Bxe4 dxe4 24. Red1 Qxe5 25. Rxa4 Bxa4 26. Qxa4+ Kf7 27. Qxa7+ Kg6 28. Rd7 f4 29. Qa6 e3 30. Qd3+ Kg5 31. fxe3 fxe3 32. Qe2 Ra8 33. Rd1 Rb8 34. Re1 Kf5 35. Rf1+ Kg5 36. Re1 1/2-1/2

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.17"]
[Round "10"]
[White "Ershov, Boris Y"]
[Black "Fateev, Alexander"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1971"]
[PlyCount "22"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c6 5. Bd3 Bd6 6. Bg3 Ne4 7. Nfd2 Nxg3 8. hxg3 Qf6 9. Qf3 Nd7 10. c3 Qxf3 11. Nxf3 c5 1/2-1/2

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.13"]
[Round "8"]
[White "Barakin, Gennady"]
[Black "Ershov, Boris Y"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1963"]
[BlackElo "1971"]
[PlyCount "53"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 d6 5. h3 Be6 6. d3 Be7 7. Be2 h6 8. Be3 Nh7 9. Nd5 Bxd5 10. cxd5 Nb8 11. Qb3 Qc8 12. d4 exd4 13. Nxd4 0-0 14. 0-0 Nd7 15. Nf5 Bf6 16. Rac1 Nb6 17. Nxd6 Qb8 18. Nb5 c6 19. dxc6 bxc6 20. Rxc6 Nd7 21. Nxa7 Qxb3 22. axb3 Bxb2 23. b4 Nhf6 24. Rb1 Be5 25. f3 Nh5 26. b5 Nf4 27. Bc4 1-0

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.12"]
[Round "7"]
[White "Ershov, Boris Y"]
[Black "Breit, Nikolai"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1971"]
[BlackElo "2007"]
[PlyCount "32"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. Nf3 Bb7 4. e3 h6 5. h3 d6 6. Bd3 Nbd7 7. Nbd2 c5 8. c3 cxd4 9. cxd4 e5 10. dxe5 dxe5 11. Bxe5 Nxe5 12. Bb5+ Ned7 13. 0-0 Be7 14. Ne5 0-0 15. Nxd7 Nxd7 16. Nb3 Nf6 0-1

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.08"]
[Round "5"]
[White "Petrenko, Andrey"]
[Black "Ershov, Boris Y"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1853"]
[BlackElo "1971"]
[PlyCount "84"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[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. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. h3 0-0 10. d3 Re8 11. Nbd2 Bc8 12. Nf1 h6 13. Be3 Bb6 14. Bxb6 cxb6 15. Ne3 a5 16. Nd5 a4 17. Nxf6+ Qxf6 18. Bd5 Bb7 19. Nh2 Na5 20. Ng4 Qe7 21. Ne3 Bxd5 22. Nxd5 Qd8 23. Re3 Nc6 24. Rg3 Kh8 25. Qh5 Ra7 26. Re1 Re6 27. Ree3 Kh7 28. h4 Rg6 29. Ref3 Qe8 30. Qf5 Qe6 31. h5 Qxf5 32. hxg6+ Qxg6 33. Rxg6 Kxg6 34. Rg3+ Kh7 35. Nxb6 Ne7 36. c4 Rb7 37. Nd5 Nxd5 38. cxd5 Rc7 39. f4 Rc1+ 40. Kh2 exf4 41. Rf3 g5 42. Rf2 Kg6 0-1

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.06"]
[Round "4"]
[White "Ershov, Boris Y"]
[Black "Ledovskih, Viktor"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1971"]
[BlackElo "1522"]
[PlyCount "68"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. Bd3 c5 6. c3 Qb6 7. Qc2 c4 8. Be2 Nh5 9. Bg3 Nxg3 10. hxg3 g6 11. Nbd2 Qd6 12. e4 b5 13. e5 Qe7 14. a4 b4 15. Nf1 b3 16. Qd2 a5 17. Ne3 Nb6 18. Ng4 Bg7 19. Qf4 Nd7 20. Nd2 h5 21. Ne3 Bh6 22. Qf3 Nb6 23. Nexc4 Nxc4 24. Nxc4 0-0 25. Nd6 Ba6 26. Bxa6 Rxa6 27. Qd3 Rb6 28. c4 dxc4 29. Nxc4 Qb4+ 30. Qc3 Qxc3+ 31. bxc3 Rc6 32. Nb2 Rxc3 33. 0-0 Rfc8 34. f4 Bf8 0-1

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.05"]
[Round "3"]
[White "Osipov, Yury"]
[Black "Ershov, Boris Y"]
[Result "0-1"]
[ECO "A13"]
[BlackElo "1971"]
[PlyCount "70"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 c6 4. g3 f5 5. Bb2 Nf6 6. Bg2 Bd6 7. 0-0 Nbd7 8. Qc2 0-0 9. Nc3 Ne4 10. d3 Nxc3 11. Qxc3 Nf6 12. Rad1 Qe7 13. e3 Bb4 14. Qc1 Bd6 15. a3 a5 16. Qa1 b6 17. Nd4 Bd7 18. Nf3 Rfe8 19. Ne5 Rf8 20. Nxd7 Nxd7 21. d4 Nf6 22. Qc1 Ne4 23. Bxe4 fxe4 24. cxd5 cxd5 25. Qc6 Rab8 26. Qc1 Rbc8 27. Qa1 Qf6 28. Rc1 Qe7 29. Rxc8 Rxc8 30. Rc1 Qd7 31. Rxc8+ Qxc8 32. Qc1 Qxc1+ 33. Bxc1 e5 34. Bb2 exd4 35. exd4 g5 0-1

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.03"]
[Round "2"]
[White "Ershov, Boris Y"]
[Black "Pozdniakov, Vladimir"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1971"]
[BlackElo "2247"]
[PlyCount "94"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bf4 d6 4. e3 Nh5 5. Bg3 Nxg3 6. hxg3 Bg7 7. Bd3 e6 8. c3 b6 9. Nbd2 Bb7 10. Qc2 Nd7 11. 0-0-0 Qe7 12. e4 a6 13. Rhe1 c5 14. d5 b5 15. c4 0-0 16. g4 b4 17. Nf1 a5 18. g5 a4 19. Qe2 a3 20. b3 f6 21. gxf6 Qxf6 22. e5 Nxe5 23. Nxe5 dxe5 24. Be4 exd5 25. cxd5 Qxf2 26. Kb1 Rad8 27. Qxf2 Rxf2 28. Ne3 Rb2+ 29. Ka1 Ba6 30. Rb1 Rxb1+ 31. Kxb1 Bf8 32. Nc4 Bxc4 33. bxc4 Bd6 34. Rf1 Rf8 35. Rxf8+ Kxf8 36. Bc2 Kg7 37. Kc1 Kf6 38. Kd2 Kg5 39. Ke3 Kg4 40. Kf2 e4 41. Ba4 Kf4 42. Ke2 Ke5 43. Ke3 Be7 44. Bc2 Bg5+ 45. Ke2 Kd4 46. Bb3 Bf4 47. Kd1 Kd3 0-1

[Event "Omsk op"]
[Site "Omsk"]
[Date "2008.07.01"]
[Round "1"]
[White "Ershov, Boris Y"]
[Black "Lunga, Oleg"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1971"]
[BlackElo "1678"]
[PlyCount "59"]
[EventDate "2008.07.01"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 e6 5. Bd3 Be7 6. Nbd2 0-0 7. c3 d5 8. Qc2 g6 9. h3 Re8 10. Ne5 Bf8 11. h4 Nbd7 12. f3 Nxe5 13. Bxe5 Nd7 14. h5 Nxe5 15. dxe5 Qg5 16. 0-0-0 Qxe5 17. hxg6 fxg6 18. Rde1 Qg5 19. g4 c5 20. f4 Qf6 21. g5 Qe7 22. Rh2 Qc7 23. Reh1 Re7 24. Bxg6 Rd8 25. Rxh7 Bg7 26. R1h3 Bc8 27. Nf3 Bd7 28. Qh2 Bf8 29. Bf7+ Rxf7 30. Rh8+ 1-0

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.27"]
[Round "9"]
[White "Ershov, Boris Y"]
[Black "Usatchev, Sergei"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "1988"]
[BlackElo "1874"]
[PlyCount "63"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 Nc6 6. Nf3 b6 7. Bd2 Ba6 8. Be2 0-0 9. 0-0 d5 10. b3 dxc4 11. dxc5 cxb3 12. axb3 Bxe2 13. Nxe2 Bxc5 14. Rfd1 Qe7 15. Qc4 Rfd8 16. Qb5 Nb4 17. Bc3 Nc2 18. Rxd8+ Rxd8 19. Rc1 Na3 20. Qc6 Nd5 21. Bd4 Nb4 22. Qe4 f5 23. Qh4 Qxh4 24. Nxh4 Nac2 25. Nf3 Bd6 26. g3 Rd7 27. Kg2 h6 28. h4 Rc7 29. Rd1 Nc6 30. Bxb6 axb6 31. Rxd6 Kf7 32. Rxc6 1-0

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.26"]
[Round "8"]
[White "Eprikov, Ivan"]
[Black "Ershov, Boris Y"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1988"]
[PlyCount "58"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[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 Be7 4. c3 Nf6 5. d3 0-0 6. 0-0 d6 7. Nbd2 Be6 8. Bb3 d5 9. exd5 Bxd5 10. Re1 Bd6 11. Ne4 Bxe4 12. dxe4 h6 13. Bd2 Re8 14. Qc2 a6 15. Rad1 Qe7 16. Nh4 Qd7 17. Nf5 Ne7 18. Bc1 Nxf5 19. exf5 e4 20. Bd5 Nxd5 21. Rxd5 Bxh2+ 22. Kxh2 Qxd5 23. Bf4 c6 24. g4 Rad8 25. Qc1 h5 26. Bh6 Qd6+ 27. Bf4 Qd3 28. Bh6 hxg4 29. Bxg7 g3+ 0-1

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.25"]
[Round "7"]
[White "Posoyuzny, Vladimir"]
[Black "Ershov, Boris Y"]
[Result "1-0"]
[ECO "D46"]
[BlackElo "1988"]
[PlyCount "43"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 Be7 5. e3 Nf6 6. Bd3 Nbd7 7. 0-0 0-0 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bc2 b6 13. Be3 Bb7 14. Ne5 Rc8 15. Qf3 a6 16. Rad1 Rf8 17. Qh3 g6 18. Bh6 Re8 19. Nxf7 Qd7 20. Ne5 Qd6 21. c5 Qd5 22. Bb3 1-0

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.23"]
[Round "6"]
[White "Ershov, Boris Y"]
[Black "Kazakov, Stanislav"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1988"]
[PlyCount "106"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[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. Bf4 Bg7 4. e3 d6 5. Bd3 0-0 6. c3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Bh2 e5 10. d5 Nb8 11. e4 c6 12. dxc6 Nxc6 13. 0-0 Qb6 14. b3 Rad8 15. Nd2 d5 16. exd5 Nxd5 17. Nc4 Qc7 18. Be4 Nde7 19. Bxc6 Nxc6 20. Rac1 Rd7 21. Rfd1 Rfd8 22. Rxd7 Rxd7 23. Rd1 Qd8 24. Rxd7 Qxd7 25. Bg3 f5 26. Qe2 e4 27. Qd2 Qxd2 28. Nxd2 Bxc3 29. Nc4 g5 30. Bd6 Kf7 31. Bc7 Ke6 32. Kf1 b6 33. f3 f4 34. fxe4 Kd7 35. Bxb6 axb6 36. Nxb6+ Ke6 37. Nc4 Ne5 38. Nb6 Nd3 39. Nd5 Bd4 40. Nc7+ Ke5 41. a3 Kxe4 42. b4 f3 43. gxf3+ Kxf3 44. Ne6 Be3 45. b5 h5 46. b6 g4 47. hxg4 hxg4 48. b7 g3 49. Ng5+ Bxg5 50. b8Q g2+ 51. Kg1 Be3+ 52. Kh2 g1Q+ 53. Kh3 Qg4+ 0-1

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.22"]
[Round "5"]
[White "Andreev, Pavel"]
[Black "Ershov, Boris Y"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2007"]
[BlackElo "1988"]
[PlyCount "95"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Bd6 4. Bxd6 Qxd6 5. e3 Nf6 6. Bd3 Nbd7 7. Nbd2 b6 8. 0-0 Bb7 9. c3 c5 10. Rc1 0-0 11. Bb1 Ne4 12. Qc2 f5 13. Ne1 Rf6 14. f3 Ng5 15. Nd3 Rh6 16. f4 Ne4 17. Nf3 Ba6 18. Qa4 Bxd3 19. Bxd3 c4 20. Bxe4 dxe4 21. Ne5 Nxe5 22. dxe5 Qc5 23. Rfe1 b5 24. Qa5 g5 25. fxg5 Rg6 26. Rcd1 Kh8 27. Rd8+ Rg8 28. Rxa8 Rxa8 29. a4 Rb8 30. g3 Kg7 31. Kf2 Kf7 32. Rd1 Ke7 33. axb5 Rc8 34. Rd6 Qxe5 35. Rd2 Qc7 36. Qa3+ Qc5 37. h4 Qxa3 38. bxa3 Rb8 39. a4 Rc8 40. g4 Rg8 41. gxf5 exf5 42. Rd5 Ke6 43. Rc5 Rd8 44. Ke2 Rd6 45. Rxc4 a6 46. Rc6 Rxc6 47. bxc6 Kd6 48. h5 1-0

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.21"]
[Round "4"]
[White "Ershov, Boris Y"]
[Black "Krivoshapko, Alexander"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1988"]
[BlackElo "2104"]
[PlyCount "94"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 b5 2. Nf3 Bb7 3. Bf4 e6 4. e3 b4 5. Bd3 Nf6 6. Nbd2 c5 7. c3 a5 8. 0-0 Be7 9. Re1 Nc6 10. Ne5 d6 11. Nxc6 Bxc6 12. Bc2 a4 13. e4 a3 14. Qc1 0-0 15. cxb4 cxb4 16. bxa3 bxa3 17. Nb3 Ra7 18. Qd2 Qa8 19. f3 Rd8 20. Be3 d5 21. e5 Nd7 22. Bg5 Bxg5 23. Qxg5 Ba4 24. Qd2 Bxb3 25. Bxb3 Rc8 26. Rac1 Rac7 27. Rxc7 Rxc7 28. Rc1 Qc8 29. Rxc7 Qxc7 30. Qc2 Qa5 31. Qc8+ Nf8 32. Qc1 h6 33. Kf2 Ng6 34. g3 Qb4 35. Ke3 Ne7 36. g4 g5 37. Qd2 Qb6 38. Qd3 Ng6 39. Kd2 Nf4 40. Qc3 Qa6 41. Qe3 Qf1 42. h4 Qg2+ 43. Kc3 Qb2+ 44. Kb4 Ng2 45. Qg1 Nxh4 46. Qe3 Kg7 47. f4 Ng2 0-1

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.19"]
[Round "3"]
[White "Ledovskih, Viktor"]
[Black "Ershov, Boris Y"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1518"]
[BlackElo "1988"]
[PlyCount "54"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Qc2 b6 6. e3 Bb7 7. cxd5 exd5 8. Bd3 Nbd7 9. 0-0 Rc8 10. a3 c5 11. Bb5 0-0 12. Qe2 c4 13. Re1 Bd6 14. h3 a6 15. Ba4 Re8 16. Bd2 b5 17. Bc2 Qc7 18. Kh1 Re7 19. Rac1 Rce8 20. Qf1 Qb6 21. Na2 a5 22. Rb1 Ne4 23. Bxe4 Rxe4 24. Rec1 b4 25. Qe1 c3 26. bxc3 b3 27. c4 dxc4 0-1

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.18"]
[Round "2"]
[White "Ershov, Boris Y"]
[Black "Sekachev, Andrey"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1988"]
[PlyCount "65"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. e3 e6 5. Bd3 Be7 6. Ne5 Nbd7 7. Nd2 0-0 8. g4 Nxe5 9. Bxe5 Nd7 10. Bg3 c5 11. c3 f6 12. Nf3 Re8 13. Qc2 Nf8 14. h4 c4 15. Be2 h6 16. g5 fxg5 17. hxg5 Bxg5 18. 0-0-0 Bf6 19. Ne5 Qe7 20. Bh5 Rd8 21. Bf7+ Kh8 22. Rxh6+ gxh6 23. Ng6+ Kg7 24. Nxe7 Kxf7 25. Nxc8 Raxc8 26. Rh1 Kg7 27. Bf4 Bg5 28. Be5+ Kf7 29. f4 Bf6 30. Bxf6 Kxf6 31. Rxh6+ Ke7 32. Qg2 Rc7 33. Qg7+ 1-0

[Event "Omsk-ch sf op"]
[Site "Omsk"]
[Date "2007.06.17"]
[Round "1"]
[White "Cherpinsky, Alexander"]
[Black "Ershov, Boris Y"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2015"]
[BlackElo "1988"]
[PlyCount "105"]
[EventDate "2007.06.17"]
[EventType "swiss"]
[EventRounds "11"]
[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. g3 Nf6 4. d3 d6 5. Bg2 Bg4 6. Nbd2 Be7 7. h3 Be6 8. 0-0 Qd7 9. Kh2 h6 10. c3 d5 11. Qe2 Bd6 12. exd5 Nxd5 13. Nc4 f6 14. Nh4 Nde7 15. f4 Bxc4 16. dxc4 0-0-0 17. fxe5 Bxe5 18. Nf3 Qd3 19. Qxd3 Rxd3 20. Nxe5 Nxe5 21. Be4 Rdd8 22. c5 Rhf8 23. Be3 N7c6 24. Bf5+ Kb8 25. Rad1 Ne7 26. Be4 N7c6 27. Kg2 Nc4 28. Bc1 N4e5 29. b4 a6 30. a4 Rxd1 31. Rxd1 Rd8 32. Rxd8+ Nxd8 33. Bf4 c6 34. Bxe5+ fxe5 35. Kf3 Ne6 36. Bf5 Ng5+ 37. Ke3 Kc7 38. h4 Nf7 39. Ke4 Kd8 40. Be6 Nh8 41. Kxe5 Ke7 42. Bc8 Nf7+ 43. Kf5 Nd8 44. Kg6 Kf8 45. g4 Kg8 46. c4 Kf8 47. b5 cxb5 48. cxb5 axb5 49. axb5 Kg8 50. b6 Kf8 51. Bxb7 Nxb7 52. c6 Nd6 53. b7 1-0

