[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.27"]
[Round "9"]
[White "Cervenka, Roman"]
[Black "Sirenko, Oleh"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1979"]
[BlackElo "1900"]
[PlyCount "80"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. exd5 exd5 6. Bb5 Nf6 7. Qe2+ Be7 8. Ne5 Bd7 9. Nxd7 Qxd7 10. 0-0 0-0 11. Bxc6 bxc6 12. d3 Rfe8 13. Qf3 Rab8 14. b3 Bd6 15. Bd2 Re7 16. Rfe1 Rbe8 17. Rxe7 Rxe7 18. Re1 Rxe1+ 19. Bxe1 d4 20. Ne4 Nd5 21. Bd2 Nb4 22. Bxb4 cxb4 23. Qg3 Be7 24. Qf3 c5 25. Nd2 h6 26. Nc4 Bf8 27. Ne5 Qe6 28. Qg4 Qe8 29. Qd7 Qxd7 30. Nxd7 Bd6 31. Ne5 Bxe5 32. fxe5 Kf8 33. Kf2 Ke7 34. Kf3 Ke6 35. Kf4 g5+ 36. Ke4 h5 37. g3 a6 38. h3 a5 39. h4 g4 40. Kf4 f6 1/2-1/2

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.26"]
[Round "8"]
[White "Sirenko, Oleh"]
[Black "Zwardon, Vojtech"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1900"]
[BlackElo "1946"]
[PlyCount "78"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nc6 7. Bb5 Bd7 8. 0-0 Nf6 9. f3 0-0 10. Re1 a6 11. Nxc6 bxc6 12. Ba4 Qa5 13. Bb3 Rab8 14. a3 Qc7 15. Rb1 Rfd8 16. Bf4 Nh5 17. Bd2 e6 18. Ba2 d5 19. b4 Bc8 20. Qc1 Be5 21. g3 Bxg3 22. hxg3 Qxg3+ 23. Kh1 Qxf3+ 24. Kg1 d4 25. Nd1 Ng3 26. Bc4 Qh1+ 27. Kf2 Nxe4+ 28. Rxe4 Qxe4 29. Bd3 Qh4+ 30. Ke2 e5 31. Bg5 Bg4+ 32. Kf1 Qh1+ 33. Kf2 f6 34. Bxf6 Qf3+ 35. Ke1 Qxf6 36. Nf2 Rf8 37. Nxg4 Qh4+ 38. Nf2 Rxf2 39. Bc4+ Kg7 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.25"]
[Round "7"]
[White "Olsarova, Karolina"]
[Black "Sirenko, Oleh"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1955"]
[BlackElo "1900"]
[PlyCount "70"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. 0-0 e6 6. Re1 Qb6 7. Bf1 d6 8. exd6 Bxd6 9. Na3 Bb8 10. b3 a6 11. Bb2 0-0 12. g3 Nd4 13. Nc4 Qa7 14. a4 Bd7 15. Nxd4 cxd4 16. Qg4 b6 17. Qxd4 f6 18. Bg2 Qb7 19. Qe4 Re8 20. Qe2 Bc6 21. Qf1 Bc7 22. Ne3 Nxe3 23. Rxe3 Bxg2 24. Qxg2 Qxg2+ 25. Kxg2 Rad8 26. d4 Kf7 27. c4 a5 28. Rd1 e5 29. d5 Bd6 30. Re2 Rd7 31. Bc1 Rb8 32. Bd2 Rc7 33. Rde1 g5 34. Bc3 Re7 35. Kf3 h5 1/2-1/2

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.24"]
[Round "6"]
[White "Sirenko, Oleh"]
[Black "Gutdeutsch, Otto"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1900"]
[BlackElo "2015"]
[PlyCount "67"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. Re1 0-0 6. h3 h6 7. c3 d6 8. d4 Bb6 9. Bxc6 bxc6 10. dxe5 Nh7 11. Bf4 d5 12. exd5 cxd5 13. Nbd2 Ba6 14. Qb3 Rb8 15. Qc2 Re8 16. Rad1 Re6 17. c4 Ba5 18. cxd5 Reb6 19. b3 Rg6 20. e6 Qxd5 21. exf7+ Qxf7 22. Bg3 Re6 23. Rxe6 Qxe6 24. Re1 Qf7 25. Re5 Bb4 26. Re4 Ba5 27. Ra4 Qd5 28. Nc4 Bxc4 29. Rxc4 Rd8 30. Rd4 Qa8 31. Bxc7 Rxd4 32. Nxd4 Qd5 33. Bxa5 Qxd4 34. Qc4+ 1-0

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.23"]
[Round "5"]
[White "Rybar, Lukas"]
[Black "Sirenko, Oleh"]
[Result "0-1"]
[ECO "C34"]
[WhiteElo "1250"]
[BlackElo "1900"]
[PlyCount "60"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Be7 5. 0-0 Nf6 6. Nc3 Be6 7. Bxe6 fxe6 8. d4 Nh5 9. Ng5 Bxg5 10. Qxh5+ g6 11. Qg4 e5 12. Qe6+ Qe7 13. Qxe7+ Bxe7 14. Nd5 Bd8 15. c3 a5 16. c4 c6 17. Nc3 Bb6 18. Kh1 Bxd4 19. Ne2 Bc5 20. a3 Nd7 21. g3 g5 22. Bd2 Bb6 23. b4 0-0 24. Bc3 f3 25. Ng1 g4 26. Rab1 axb4 27. axb4 Ra2 28. Rb2 Rxb2 29. Bxb2 Bd4 30. Bxd4 exd4 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.22"]
[Round "4"]
[White "Sirenko, Oleh"]
[Black "Hasinski, Krystian"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1900"]
[BlackElo "2027"]
[PlyCount "62"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. Bc4 Bg4 5. d4 c6 6. 0-0 e6 7. c3 Nd7 8. Bxd5 cxd5 9. Bf4 Qf6 10. g3 g5 11. Bxg5 Qxf3 12. Qxf3 Bxf3 13. Nd2 Bh5 14. Rfe1 Be7 15. Bf4 Rc8 16. a4 a5 17. h3 Rg8 18. g4 Bg5 19. Bxg5 Rxg5 20. Kh2 Bxg4 21. hxg4 Rxg4 22. Re3 Ke7 23. Rg3 Rcg8 24. Rag1 Nf6 25. Kh3 R4g6 26. Nf3 Ne4 27. R3g2 Rh6+ 28. Nh4 Nxf2+ 29. Rxf2 Rxg1 30. Rh2 f5 31. b4 Rg4 0-1

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.21"]
[Round "3"]
[White "Gil, Karel"]
[Black "Sirenko, Oleh"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "1988"]
[BlackElo "1900"]
[PlyCount "65"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c5 4. cxd5 exd5 5. Nc3 c4 6. g3 Nc6 7. Bg2 Bb4 8. 0-0 Nge7 9. e4 Bxc3 10. bxc3 dxe4 11. Nd2 Be6 12. Nxe4 0-0 13. Ba3 Re8 14. Nd6 Qa5 15. Nxe8 Qxa3 16. Nc7 Rf8 17. d5 Qa5 18. Nxe6 fxe6 19. dxc6 bxc6 20. Qd4 Qa6 21. Rfe1 Rf6 22. Qd8+ Kf7 23. Qd2 Qb6 24. Rab1 Qc5 25. Qd4 Qh5 26. Re5 Nf5 27. Rb7+ Kg6 28. Be4 Qh3 29. Bxf5+ exf5 30. Ree7 f4 31. Rxg7+ Kf5 32. Qxf4+ Ke6 33. Rbe7+ 1-0

[Event "Orlova op 4th"]
[Site "Orlova"]
[Date "2007.05.20"]
[Round "2"]
[White "Sirenko, Oleh"]
[Black "Matusiak, Marcin"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1900"]
[BlackElo "1943"]
[PlyCount "109"]
[EventDate "2007.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. Nf3 dxe4 6. Nxe4 Nd7 7. Bg5 Ngf6 8. Nxf6+ Nxf6 9. Bd3 0-0 10. 0-0 Bg4 11. Be3 Re8 12. h3 Be6 13. b3 Qc8 14. Qe2 Bf5 15. Rfd1 Bxd3 16. Rxd3 e6 17. Bg5 Nd7 18. Rad1 e5 19. dxe5 Nxe5 20. Nxe5 Rxe5 21. Qd2 Qe8 22. Rd8 Rxd8 23. Qxd8 h6 24. Qxe8+ Rxe8 25. Be3 b6 26. Rd7 Ra8 27. b4 h5 28. Rc7 Bc3 29. b5 cxb5 30. cxb5 Ba5 31. a4 Kf8 32. Rb7 Ke8 33. Bf4 Bb4 34. Rb8+ Rxb8 35. Bxb8 Kd7 36. Kf1 Bd6 37. Bxa7 Kc7 38. a5 bxa5 39. Bd4 Bb4 40. Ke2 Kd6 41. Kd3 Kd5 42. b6 Kc6 43. Kc4 Be7 44. b7 Kxb7 45. Kb5 Bb4 46. Bb6 Be1 47. f3 h4 48. Bd8 Kc8 49. Bxa5 Bxa5 50. Kxa5 Kd7 51. Kb4 Ke6 52. Kc3 Kf5 53. Kd3 Kf4 54. Ke2 Kg3 55. Kf1 1/2-1/2

