[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.25"]
[Round "9"]
[White "Petko, Daria"]
[Black "Shubin, Kirill"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1817"]
[PlyCount "59"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. c4 Qe4+ 7. Be3 cxd4 8. Nxd4 Bb4+ 9. Nc3 Bxc3+ 10. bxc3 Bd7 11. Nb5 Qe5 12. Qd6 Rc8 13. Qxe5 Nxe5 14. Nd6+ Ke7 15. Nxc8+ Bxc8 16. Bxa7 Nc6 17. Bc5+ Ke8 18. Be2 Nf6 19. 0-0 Ne4 20. Bb4 Ne5 21. Rfd1 Bd7 22. a4 Nc6 23. Bf3 Nf6 24. a5 Nd8 25. a6 bxa6 26. Rxa6 e5 27. Bd5 Ng8 28. Ra8 Ne7 29. Bxf7+ Kxf7 30. Rxd7 1-0

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.24"]
[Round "8"]
[White "Borodinov, Dmitri"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2242"]
[BlackElo "1817"]
[PlyCount "59"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 Nbd7 5. Qd2 h6 6. Bh4 g5 7. Bf2 c6 8. e3 e5 9. Bd3 Bxd3 10. Qxd3 Qe7 11. Nge2 e4 12. fxe4 dxe4 13. Qd2 Nb6 14. Ng3 Nc4 15. Qe2 Qe6 16. 0-0 Nb6 17. Be1 0-0-0 18. Nf5 h5 19. h4 a5 20. d5 Nfxd5 21. Nxd5 Qxd5 22. Bc3 Rh7 23. Rad1 Qc4 24. Rxd8+ Kxd8 25. Qxc4 Nxc4 26. b3 Na3 27. Rd1+ Kc7 28. Bf6 g4 29. Bd8+ Kb8 30. Bb6 1-0

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.23"]
[Round "7"]
[White "Potemkin, Evgeny"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "1817"]
[PlyCount "100"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e4 g6 4. d3 Bg7 5. g3 Nge7 6. Bg2 d6 7. h3 0-0 8. Nge2 f5 9. 0-0 Nd4 10. f4 Nec6 11. Rb1 Nxe2+ 12. Nxe2 fxe4 13. dxe4 Be6 14. b3 Qc8 15. Kh2 Nd4 16. Bb2 c5 17. Nc3 exf4 18. gxf4 Qd8 19. Ne2 Nxe2 20. Bxg7 Kxg7 21. Qxe2 Kg8 22. Rbd1 Qc7 23. Qe3 Rad8 24. Qg3 Qg7 25. Rd2 Rf7 26. e5 Rfd7 27. Rfd1 dxe5 28. Rxd7 Rxd7 29. Rxd7 Qxd7 30. fxe5 b6 31. Qg5 Qf7 32. Qd8+ Kg7 33. Qd2 Qf5 34. Qe3 Qf7 35. Kg3 Qf5 36. Kh2 Qf7 37. Bc6 Qf5 38. Bg2 h6 39. a4 g5 40. Bd5 Qc2+ 41. Kg3 Qf5 42. Bg2 Kf7 43. Qe4 Kg6 44. h4 gxh4+ 45. Qxh4 Qxe5+ 46. Kf2 Qf6+ 47. Qxf6+ Kxf6 48. Bf3 Bf5 49. Bd1 Ke5 50. Ke3 Bg6 0-1

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.22"]
[Round "6"]
[White "Petko, Daria"]
[Black "Biryukov, Mikhail"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1817"]
[BlackElo "2199"]
[PlyCount "50"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Nf3 Bg7 7. Bb5+ Bd7 8. Bc4 0-0 9. 0-0 Bf5 10. Nc3 Nbd7 11. d6 exd6 12. Bf4 Nb6 13. Bd3 Bxd3 14. Qxd3 Nbd5 15. Nxd5 Nxd5 16. Bg3 Qb6 17. Qe4 Nc7 18. Qf4 Rad8 19. Qd2 Ne6 20. Rfd1 Rc8 21. d5 Nc5 22. Qf4 Qxb2 23. Bh4 Nd3 24. Qxd6 Nc1 25. Be7 Qxa1 0-1

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.21"]
[Round "5"]
[White "Chkhan, Viktoria"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2031"]
[BlackElo "1817"]
[PlyCount "80"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. Qe2 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. e4 e5 12. Bg5 exd4 13. Nxd4 b4 14. Nb1 Nc5 15. Rd1 Bxh2+ 16. Kxh2 Qxd4 17. Bc2 Qxb2 18. e5 Ng4+ 19. Qxg4 Qxc2 20. Nd2 Qg6 21. Qxb4 Nd3 22. Qxb7 Qxg5 23. Nf3 Qh5+ 24. Kg1 Nxe5 25. Nxe5 Qxe5 26. Qxc6 Rac8 27. Qd7 Rc7 28. Qd2 Rc6 29. Qd5 Qc7 30. Qd7 g6 31. Qxc7 Rxc7 32. Rac1 Rb7 33. Rb1 Rc7 34. Rbc1 Rb7 35. Rb1 Rc7 36. Rbc1 Rb7 37. Rb1 Rc7 38. Rbc1 Rb7 39. Rb1 Rc7 40. Rbc1 Rb7 1/2-1/2

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.20"]
[Round "4"]
[White "Petko, Daria"]
[Black "Bazlov, Yuriy"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1817"]
[BlackElo "2163"]
[PlyCount "106"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 Bf5 7. Bd3 Qc8 8. b3 Nc6 9. Be3 Nb4 10. Bb1 Bxb1 11. Qxb1 Qg4 12. g3 e5 13. Nb5 Rd8 14. dxe5 dxe5 15. Nc7+ Ke7 16. h3 Qd7 17. Nb5 Nd3+ 18. Kf1 Qc6 19. Rh2 a6 20. Nc3 Ke8 21. Bxb6 Qxb6 22. Nd5 Qg6 23. b4 e4 24. a4 Rxd5 25. cxd5 Bxb4 26. Ne2 a5 27. Qc2 Kd7 28. Qc4 Rc8 29. Qb5+ Kc7 30. Nc1 Qa6 31. Qxa6 bxa6 32. Ke2 Bc3 33. Rb1 Nb4 34. Rh1 Nxd5 35. Rd1 Nb6 36. Na2 Nxa4 37. Rbc1 Kb8 38. Rd6 Be5 39. Rxc8+ Kxc8 40. Rxa6 Bc7 41. Rc6 f5 42. g4 Kd7 43. Rc4 Nb6 44. Rc5 f4 45. Nc3 f3+ 46. Ke3 Bd6 47. Rf5 g6 48. Rf7+ Ke6 49. Rxh7 Nd5+ 50. Nxd5 Kxd5 51. Rg7 Bc5+ 52. Kd2 Bxf2 53. Rxg6 e3+ 0-1

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.19"]
[Round "3"]
[White "Fokin, Alexander"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2109"]
[BlackElo "1817"]
[PlyCount "44"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. d4 g6 4. Bb2 Bg7 5. e3 0-0 6. Bd3 Ne4 7. Nbd2 f5 8. Ne5 Nd7 9. f3 Ng5 10. 0-0 c5 11. Qe2 Qb6 12. c4 e6 13. Kh1 Qc7 14. Rac1 b6 15. h4 Nf7 16. f4 Nd6 17. cxd5 exd5 18. h5 gxh5 19. Rf3 Nf6 20. Rh3 Nde4 21. Ndf3 Ng4 22. Rxh5 Ng3+ 0-1

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.18"]
[Round "2"]
[White "Petko, Daria"]
[Black "Musaev, Rasul"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1817"]
[BlackElo "2239"]
[PlyCount "108"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Bd6 7. Nf3 0-0 8. 0-0 Nd7 9. Re1 Nb6 10. Bd3 Bg4 11. c4 Bc7 12. Be3 Qd7 13. Rc1 Rad8 14. Bb1 f5 15. h3 Bh5 16. Ne5 Bxd1 17. Nxd7 Rxd7 18. Bxf5 Bh5 19. c5 Rdd8 20. cxb6 Bxb6 21. g4 Bg6 22. Bxg6 hxg6 23. Red1 Rd5 24. b4 f5 25. gxf5 gxf5 26. Bg5 Re8 27. Re1 Rxe1+ 28. Rxe1 Rxd4 29. a3 Rd3 30. Kg2 Rxa3 31. Re7 Ra2 32. Bh4 Rb2 33. Rxb7 Rxb4 34. Be7 Rb2 35. Bc5 Rb5 36. Bd6 Rd5 37. Bb4 Bd4 38. Rc7 Rb5 39. Be1 Rb1 40. Ba5 Ra1 41. Bb4 a5 42. Bd6 Ra2 43. Rxc6 Rxf2+ 44. Kg3 Rd2 45. Bc7 Rd3+ 46. Kf4 Rc3 47. Rxc3 Bxc3 48. Kxf5 a4 49. Bd6 Bb2 50. Kg6 a3 51. Bxa3 Bxa3 52. h4 Bc1 53. h5 Bh6 54. Kf5 Kf7 0-1

[Event "Vladivostok Russian Cup"]
[Site "Vladivostok"]
[Date "2012.09.17"]
[Round "1"]
[White "Batsanin, Dmitry"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2442"]
[BlackElo "1817"]
[PlyCount "31"]
[EventDate "2012.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 c5 7. c4 dxc4 8. Na3 Nb6 9. Nxc4 Be4 10. Be3 cxd4 11. Nxd4 Nxc4 12. Bxc4 a6 13. Qb3 Ne7 14. Rfd1 Qb8 15. Nxe6 Nc6 16. Ng5 1-0

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.23"]
[Round "9"]
[White "Telenok, Grigoriy"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1789"]
[BlackElo "1874"]
[PlyCount "79"]
[EventDate "2010.10.15"]
[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. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Bf4 a6 7. Nf3 dxc4 8. Bxc4 b5 9. Bb3 Bb7 10. 0-0 Be7 11. Qd3 0-0 12. Rfd1 Nc6 13. a3 Qb6 14. d5 Na5 15. Ba2 exd5 16. Nxd5 Bxd5 17. Bxd5 Rad8 18. Qf5 Nxd5 19. Rxd5 Rxd5 20. Qxd5 Rd8 21. Qe4 Bf6 22. Be5 Re8 23. Qf4 Bxe5 24. Nxe5 Qe6 25. Nf3 Nc4 26. b3 Nxa3 27. h3 Nc2 28. Rb1 h6 29. Qd2 Rc8 30. Rc1 Na3 31. Rxc8+ Qxc8 32. Qd6 Nc2 33. Ne5 a5 34. Nc6 Kh8 35. Nd8 Kg8 36. Qe7 Nd4 37. Qxf7+ Kh8 38. Qe7 Qc1+ 39. Kh2 Qf4+ 40. Kg1 1/2-1/2

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.22"]
[Round "8"]
[White "Shelep, Konstantin"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2031"]
[BlackElo "1874"]
[PlyCount "72"]
[EventDate "2010.10.15"]
[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 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 g6 5. d3 Bg7 6. Nbd2 Nc6 7. c4 e6 8. a3 0-0 9. Qc2 b6 10. b3 Bb7 11. Bb2 Rc8 12. Rac1 Qe7 13. Qb1 Rfd8 14. Qa1 Nh5 15. Ne5 Nxe5 16. Bxe5 d4 17. Bxg7 Bxg2 18. Kxg2 Nxg7 19. Rb1 Nf5 20. b4 e5 21. Ne4 Nd6 22. Nxd6 Qxd6 23. Qb2 e4 24. dxe4 Qe6 25. Qc2 cxb4 26. Rxb4 a5 27. Rb5 Rxc4 28. Qb1 Rd6 29. e5 Rdc6 30. Rd1 Rc2 31. Rxd4 Rxe2 32. Qd3 Rcc2 33. Rf4 Red2 34. Qe4 Rc3 35. Rf6 Qd7 36. Rbxb6 Rxa3 1-0

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.21"]
[Round "7"]
[White "Petko, Daria"]
[Black "Pogosyan, Yuriy"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "1874"]
[BlackElo "1802"]
[PlyCount "102"]
[EventDate "2010.10.15"]
[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 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nc3 Nbd7 7. 0-0 e5 8. e3 c6 9. dxe5 Nxe5 10. Nxe5 dxe5 11. b3 Qc7 12. Bb2 Nh5 13. e4 Nf6 14. Qc2 Rd8 15. h3 Nd7 16. Rfd1 Nc5 17. Rxd8+ Qxd8 18. Rd1 Qc7 19. Qd2 Ne6 20. Ba3 Nd4 21. Ne2 c5 22. Nc3 Be6 23. Nd5 Bxd5 24. cxd5 b6 25. Rc1 Qd7 26. Bb2 f5 27. Bxd4 exd4 28. exf5 Qxf5 29. Re1 Qf7 30. Qe2 Rf8 31. f4 h6 32. d6 Rd8 33. Qe7 Rd7 34. Qxf7+ Kxf7 35. Bd5+ Kf8 36. Re6 d3 37. Kf1 Bc3 38. Bc6 Rd8 39. d7 Kf7 40. Re8 Bf6 41. Ke1 Be7 42. g4 Ke6 43. f5+ gxf5 44. gxf5+ Kd6 45. Bb5 a6 46. Rxd8 Bxd8 47. Bxa6 Kxd7 48. Bxd3 Kc6 49. a4 Kd5 50. Ke2 h5 51. Ke3 Ke5 1/2-1/2

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.20"]
[Round "6"]
[White "Krochak, Mikhail"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "1842"]
[BlackElo "1874"]
[PlyCount "93"]
[EventDate "2010.10.15"]
[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. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. g3 Bf5 7. Bg2 e6 8. Nf3 Nd7 9. 0-0 Nb6 10. Bf4 Bd6 11. Bxd6 Qxd6 12. Nh4 Bg6 13. Qd2 0-0-0 14. c3 e5 15. Nxg6 hxg6 16. Rfd1 f5 17. Qe2 e4 18. f3 f4 19. Qxe4 fxg3 20. Qg4+ f5 21. Qxg3 Qf6 22. f4 Rh4 23. h3 Rdh8 24. Re1 Kb8 25. Re2 Nd5 26. Bxd5 Rxh3 27. Qg2 cxd5 28. Re8+ Rxe8 29. Qxh3 Rh8 30. Qf3 Rh4 31. Re1 Rg4+ 32. Kf1 Qh4 33. Re8+ Kc7 34. Qxd5 Rxf4+ 35. Ke2 Qf2+ 36. Kd3 Qf3+ 37. Qxf3 Rxf3+ 38. Ke2 Rg3 39. Kf2 f4 40. Rf8 g5 41. Rf5 Kd6 42. Rf7 b6 43. Rxa7 Rd3 44. Rg7 Rd2+ 45. Kf3 Rxb2 46. Rxg5 Rxa2 47. Kxf4 1/2-1/2

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.19"]
[Round "5"]
[White "Petko, Daria"]
[Black "Panchenko, Makar"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1874"]
[BlackElo "1927"]
[PlyCount "62"]
[EventDate "2010.10.15"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 Nb6 7. Bb5+ Bd7 8. e6 fxe6 9. Bd3 g6 10. Nf3 Nc6 11. Nc3 Nb4 12. Bb1 Bc6 13. 0-0 Bg7 14. Ng5 Qd7 15. Nxh7 0-0-0 16. Bxg6 Bxd4 17. Qxd4 Rdg8 18. Be4 Nc2 19. Qd3 Nxa1 20. Bxc6 Qxc6 21. g3 Nd5 22. Nxd5 Qxd5 23. Qc3+ Kd7 24. Be3 Rxh7 25. Rxa1 Qh5 26. Rc1 Qxh2+ 27. Kf1 Qh1+ 28. Ke2 Qc6 29. Qd3 Qa6 30. Qxa6 bxa6 31. Bxa7 Rc8 0-1

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.18"]
[Round "4"]
[White "Kapitan, Dmitriy"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1874"]
[PlyCount "94"]
[EventDate "2010.10.15"]
[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 d5 2. Bf4 Nf6 3. Nc3 c5 4. e3 e6 5. Nf3 Be7 6. Qd2 0-0 7. Be2 a6 8. 0-0 Nc6 9. Ne5 cxd4 10. exd4 Bd7 11. Nxc6 Bxc6 12. Bf3 Rc8 13. Ne2 Qb6 14. c3 Rfd8 15. Ng3 Nd7 16. Be3 Bb5 17. Be2 Nf8 18. f4 Bd6 19. Bxb5 Qxb5 20. Ne2 Nd7 21. Rf2 Nb6 22. b3 a5 23. Nc1 Rc7 24. a4 Qc6 25. Na2 Rdc8 26. Rc1 Nd7 27. Qb2 b5 28. axb5 Qxb5 29. Rfc2 Nb6 30. Rd1 a4 31. Rb1 axb3 32. Qxb3 Qd3 33. Bf2 Nc4 34. Nb4 Qf5 35. g3 Na5 36. Qa4 Rxc3 37. Rbc1 Rxc2 38. Rxc2 Rb8 39. Be1 Qe4 40. Bc3 Bxb4 41. Bxb4 Qxd4+ 42. Kg2 Nc4 43. Kh3 h6 44. Bd6 Rd8 45. Be5 Qd3 46. Bc7 Qf5+ 47. g4 Qd3+ 0-1

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.17"]
[Round "3"]
[White "Petko, Daria"]
[Black "Rastorotskiy, Mikhail"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1874"]
[BlackElo "2021"]
[PlyCount "76"]
[EventDate "2010.10.15"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 c6 6. 0-0 0-0 7. Nc3 Nbd7 8. Nd2 Qc7 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 Nf6 12. b3 Nxe4 13. Bxe4 Bf6 14. Bb2 c5 15. Qc2 cxd4 16. Bxh7+ Kh8 17. Bd3 e5 18. Qe2 g6 19. h4 Kg7 20. Kg2 Rh8 21. Rh1 Rh5 22. Rh2 Bd7 23. Rah1 Rah8 24. b4 Bc6+ 25. f3 b6 26. Qf2 g5 27. hxg5 Rxh2+ 28. Rxh2 Rxh2+ 29. Kxh2 Bxg5 30. Qe2 Qd6 31. a3 Be3 32. Kg2 Qh6 33. Qc2 Qh5 34. Be4 Bd7 35. g4 Qh4 36. c5 Bf4 37. Qb3 Qh2+ 38. Kf1 Bg3 0-1

[Event "Vladivostok-ch"]
[Site "Vladivostok"]
[Date "2010.10.16"]
[Round "2"]
[White "Frolov, Sergey2222"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "C62"]
[WhiteElo "1899"]
[BlackElo "1874"]
[PlyCount "108"]
[EventDate "2010.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nf6 3. Nf3 Nc6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. Nxc6 Bxc6 8. Bxc6+ bxc6 9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg7 12. Qd3 0-0 13. 0-0-0 a5 14. h4 g4 15. e5 Nh5 16. exd6 Nxg3 17. Qxg3 cxd6 18. Rxd6 Qc8 19. Rhd1 Rb8 20. f3 Qb7 21. fxg4 Qxb2+ 22. Kd2 Qb4 23. Rd3 Bxc3+ 24. Rxc3 Rfd8+ 25. Ke2 Rxd1 26. Kxd1 Qb1+ 27. Kd2 Rd8+ 28. Rd3 Qb4+ 29. Kc1 Re8 30. Rb3 Qd4 31. g5 Qa1+ 32. Kd2 Qd4+ 33. Kc1 Qg1+ 34. Kb2 Qd4+ 35. Qc3 Qxh4 36. gxh6 Qxh6 37. Qg3+ Kf8 38. Rb6 a4 39. Qh3 Qg7+ 40. Qc3 Qxg2 41. Qh8+ Qg8 42. Qxg8+ Kxg8 43. Rxc6 Re3 44. c4 a3+ 45. Kc2 Kf8 46. Rd6 Ke7 47. Rd2 f5 48. Rd4 Ke6 49. Kd2 Rg3 50. c5 Rg2+ 51. Kc3 Rxa2 52. Rd1 Rb2 53. c6 Rb8 54. Kc4 a2 1/2-1/2

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.28"]
[Round "9"]
[White "Petko, Daria"]
[Black "Subbotskiy, Alexey"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1874"]
[PlyCount "104"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. b3 cxb3 6. axb5 Qb6 7. Bb2 cxb5 8. Qxb3 Bd7 9. Nf3 a6 10. Ne5 e6 11. Nxd7 Nxd7 12. Bxb5 Rb8 13. Bxd7+ Kxd7 14. Qa4+ Kd8 15. Ra2 Nf6 16. Nc3 Bb4 17. 0-0 Bxc3 18. Bxc3 Qb5 19. d5 Qxa4 20. Rxa4 Ra8 21. Rfa1 Kd7 22. Rxa6 Rxa6 23. Rxa6 Rc8 24. dxe6+ fxe6 25. Bb2 Rb8 26. Ra2 Nxe4 27. f3 Nf6 28. Ra7+ Kc6 29. Bxf6 gxf6 30. Rxh7 Kd5 31. Kf2 Ke5 32. Kg3 f5 33. Rh6 Rg8+ 34. Kh3 Kf4 35. Rh4+ Ke3 36. f4 Rg6 37. g3 Kf3 38. Rh5 Kf2 39. Kh4 Rg4+ 40. Kh3 Rg6 41. Rh4 Kf3 42. Rh7 Kf2 43. Rh5 Kf3 44. Rh4 Kf2 45. g4 Kf3 46. g5 Kf2 47. Rh6 Rg8 48. Rxe6 Kf3 49. Rf6 Kxf4 50. g6 Kg5 51. Ra6 Rxg6 52. Rxg6+ Kxg6 1/2-1/2

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.27"]
[Round "8"]
[White "Kapkan, Evgeniy"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2028"]
[BlackElo "1874"]
[PlyCount "57"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Qe2 0-0 8. e4 e5 9. dxc5 Bxc5 10. exd5 Qxd5 11. 0-0 Bg4 12. Ne4 Nxe4 13. Bxe4 Qe6 14. Qb5 Bxf3 15. Bxf3 Bb6 16. Re1 Rad8 17. Be3 Bxe3 18. Rxe3 Rd2 19. Qxb7 Na5 20. Qb4 Nc4 21. Re2 a5 22. Qb5 Qd6 23. Qxc4 Rd1+ 24. Re1 Rd2 25. b4 axb4 26. cxb4 Rb8 27. a3 Qb6 28. Re2 Rd4 29. Qc3 1-0

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.26"]
[Round "7"]
[White "Petko, Daria"]
[Black "Sinko, Darya"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1874"]
[PlyCount "63"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. Nbd2 d5 7. exd5 Nxd5 8. Qb3 Na5 9. Qb5+ c6 10. Qxc5 b6 11. Qa3 Nf4 12. Nxe5 Nxg2+ 13. Kf1 Nxc4 14. Ndxc4 c5 15. Qa4+ Kf8 16. Kxg2 Bb7+ 17. f3 f6 18. Ng6+ Kg8 19. Nxh8 Qxd3 20. Qd1 Qxc4 21. Ng6 Qg4+ 22. Kf2 Qxg6 23. Rg1 Qh5 24. Bf4 g5 25. Qd3 Kh8 26. Bg3 Rf8 27. Qf5 Qf7 28. Rad1 Bc8 29. Qd5 Be6 30. Qc6 Rc8 31. Qd6 h5 32. Rge1 1-0

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.25"]
[Round "6"]
[White "Chuhachev, Vladimir"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2035"]
[BlackElo "1874"]
[PlyCount "73"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 Bg4 6. Be2 e6 7. h3 Bxf3 8. Bxf3 Bd6 9. 0-0 0-0 10. d4 Nbd7 11. c3 Qc7 12. Ne2 e5 13. Qc2 Rfe8 14. g3 c5 15. dxc5 Bxc5 16. Bg2 Rad8 17. a3 h6 18. b4 Bb6 19. c4 a5 20. c5 Ba7 21. Be3 Rc8 22. Rfc1 Nf8 23. Nc3 Ne6 24. Nb5 Qb8 25. Nd6 Qxd6 26. cxd6 Rxc2 27. Rxc2 Bxe3 28. fxe3 axb4 29. axb4 Rd8 30. Bxb7 Rxd6 31. b5 Rb6 32. Bc6 Nc7 33. Rc5 e4 34. Ra7 Ne6 35. Rc4 g5 36. Ra6 Rb8 37. Ra8 1-0

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.24"]
[Round "5"]
[White "Yun, Svetomir"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2081"]
[BlackElo "1874"]
[PlyCount "92"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Qc7 8. g3 e6 9. Bg2 Nd7 10. 0-0 0-0-0 11. Nh4 Bg6 12. f4 f5 13. b4 Nb6 14. Qb3 Be7 15. Nf3 h5 16. h4 Nd5 17. Bd2 Nf6 18. Ne5 Rhg8 19. Rfd1 Ne4 20. Be1 Kb8 21. a4 f6 22. Nf3 Bf7 23. Kh2 Rg7 24. Nd2 e5 25. c4 Nxg3 26. fxe5 Ne2 27. Nf3 Rdg8 28. Bf1 Nxd4 29. Rxd4 fxe5 30. Rd2 e4+ 31. Kh1 exf3 32. Bf2 Bxh4 33. Qxf3 Bxf2 34. Qxf2 Qg3 35. Qxg3+ Rxg3 36. Re1 R3g4 37. Rc2 f4 38. Re7 Rg1+ 39. Kh2 Rxf1 40. Rxf7 f3 41. Rh7 Rfg1 42. Rxh5 a6 43. b5 R8g2+ 44. Rxg2 Rxg2+ 45. Kh3 Rc2 46. b6 Kc8 1/2-1/2

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.23"]
[Round "4"]
[White "Petko, Daria"]
[Black "Shelep, Konstantin"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1874"]
[BlackElo "2131"]
[PlyCount "49"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be2 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. h3 Nbd7 8. Nf3 Qc7 9. Be3 Bc5 10. Qd2 Bb4 11. a3 Qa5 12. 0-0 Bxc3 13. Qxc3 Qxc3 14. bxc3 h6 15. Rfe1 0-0 16. Rad1 Re8 17. c4 c5 18. Nd2 Re6 19. Nb1 Ra6 20. Bc1 Kf8 21. Kf1 Kg8 22. Kg1 Kf8 23. Kf1 Kg8 24. Kg1 Kf8 25. Kf1 1/2-1/2

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.22"]
[Round "3"]
[White "Oplachko, Alina"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "1874"]
[PlyCount "92"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 c6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. exd5 cxd5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. d4 Bb4 9. Nge2 Nf6 10. 0-0 0-0 11. Qb3 Nc6 12. Be3 Rfd8 13. Rfd1 Rac8 14. Rac1 Bd6 15. Nf4 Na5 16. Qb5 Bxf4 17. Bxf4 Qf5 18. Bg3 b6 19. Bh4 g5 20. Bg3 h5 21. h3 h4 22. Be5 Ne4 23. Qe2 Nxc3 24. bxc3 Re8 25. Qh5 f6 26. Bd6 Nc4 27. Bc7 Re7 28. g4 hxg3 29. Bxg3 Rh7 30. Qe2 Rxh3 31. Re1 Kf7 32. Kg2 g4 33. Rh1 Rch8 34. Rhe1 Nd2 35. Qe6+ Qxe6 36. Rxe6 Kxe6 37. Rd1 Ne4 38. Re1 Kf5 39. Rf1 Nxc3 40. f3 Ne2 41. fxg4+ Kxg4 42. Bd6 f5 43. Be5 R8h7 44. Rf2 f4 45. Bxf4 Nxf4+ 46. Rxf4+ Kxf4 0-1

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.21"]
[Round "2"]
[White "Petko, Daria"]
[Black "Korobko, Aleksey"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1874"]
[BlackElo "1434"]
[PlyCount "97"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 Nc6 7. e3 a6 8. Bd3 Nb4 9. a3 Nxd3+ 10. Qxd3 dxc4 11. Qxc4 b5 12. Qb3 Bb7 13. Bg3 Ne4 14. Nxe4 Bxe4 15. 0-0 0-0 16. Ne5 Bd6 17. f3 Bd5 18. Qc3 Bxe5 19. Bxe5 Rc8 20. e4 Bb7 21. Rac1 c6 22. Qc5 Qa5 23. f4 Qd2 24. Rf3 f6 25. Bd6 Rfd8 26. e5 f5 27. b4 Rd7 28. Rcf1 a5 29. R3f2 Qd3 30. bxa5 Ra8 31. Qb4 Qc4 32. h3 Qxb4 33. axb4 Rad8 34. g4 Rxd6 35. exd6 Rxd6 36. Rd1 fxg4 37. hxg4 Kf7 38. Re2 Bc8 39. Ra2 Ba6 40. Kf2 Kf6 41. Ke3 g5 42. Rh2 Kg6 43. Rh5 Rd5 44. fxg5 hxg5 45. Rc1 Bb7 46. Rch1 Bc8 47. Rh6+ Kg7 48. Rh7+ Kg8 49. Rh8+ 1-0

[Event "Vladivostok U20 op"]
[Site "Vladivostok"]
[Date "2010.09.20"]
[Round "1"]
[White "Slupskiy, Sergey"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2312"]
[BlackElo "1874"]
[PlyCount "69"]
[EventDate "2010.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 138 Extra"]
[Source "ChessBase"]
[SourceDate "2010.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2010.10.29"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Nf6 5. Bg2 Bc5 6. Ngf3 Bg4 7. 0-0 0-0 8. h3 Bxf3 9. Bxf3 Nbd7 10. Nb3 Bd6 11. Bg2 Qc7 12. f4 Rfe8 13. f5 Rad8 14. g4 h6 15. h4 Bf8 16. g5 Nh7 17. exd5 cxd5 18. Bxd5 e4 19. Bf4 Bd6 20. g6 Bxf4 21. gxf7+ Kh8 22. fxe8Q+ Rxe8 23. dxe4 Bc1 24. Qf3 Bxb2 25. Rad1 Nhf6 26. c4 Ne5 27. Qg3 Ba3 28. Kh1 Bd6 29. Nd4 Nxc4 30. Qc3 Nxe4 31. Rde1 Nxc3 32. Rxe8+ Kh7 33. Bg8+ Kh8 34. Bf7+ Kh7 35. Bg6# 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.09"]
[Round "9"]
[White "Telenok, Grigoriy"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "B14"]
[BlackElo "1810"]
[PlyCount "108"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. Bg5 Be7 8. Be2 0-0 9. 0-0 a6 10. cxd5 Nxd5 11. Bxe7 Ncxe7 12. Qb3 b5 13. a4 b4 14. Nxd5 Nxd5 15. Rac1 Bb7 16. Rfd1 a5 17. Bb5 Qd6 18. Qd3 h6 19. Bc4 Rac8 20. Rc2 Rc7 21. Rdc1 Rfc8 22. Bb3 Rxc2 23. Rxc2 Rxc2 24. Bxc2 Nf6 25. Ne5 Be4 26. Qc4 Bxc2 27. Qxc2 Qxd4 28. Qc8+ Kh7 29. Qc2+ Qe4 30. Qxe4+ Nxe4 31. Nc4 Nc5 32. Nxa5 Nxa4 33. Nc6 Nxb2 34. Nxb4 Kg6 35. Kf1 Kf5 36. Ke2 g5 37. Kf3 h5 38. Nc2 Nc4 39. Nd4+ Kf6 40. h3 Ne5+ 41. Ke4 Ng6 42. Kf3 Nh4+ 43. Kg3 Nf5+ 44. Nxf5 Kxf5 45. Kf3 Ke5 46. Kg3 Ke4 47. f3+ Ke3 48. h4 gxh4+ 49. Kxh4 Kf2 50. Kxh5 Kxg2 51. Kg4 f6 52. Kf4 f5 53. Ke3 e5 54. Ke2 f4 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.08"]
[Round "8"]
[White "Petko, Daria"]
[Black "Yun, Svetomir"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1810"]
[BlackElo "2077"]
[PlyCount "68"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 Nb6 7. Bb3 Nc6 8. exd6 Qxd6 9. Be3 g6 10. Nc3 Bg7 11. Nge2 0-0 12. 0-0 a6 13. Qd2 Na5 14. Na4 Nxb3 15. axb3 Qd8 16. Nc5 Nd5 17. Bh6 b6 18. Bxg7 Kxg7 19. Ne4 Bb7 20. N2g3 e6 21. Rfc1 Qe7 22. Nc3 Rfd8 23. Qe2 Rd7 24. Nge4 Rad8 25. Nd2 Nf6 26. Nf3 b5 27. h3 b4 28. Nb1 Bxf3 29. Qxf3 Rxd4 30. Rxa6 Rd3 31. Qc6 R3d6 32. Qc4 Rd1+ 33. Rxd1 Rxd1+ 34. Kh2 Rxb1 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.06"]
[Round "6"]
[White "Chernikov, Daniil"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2025"]
[BlackElo "1810"]
[PlyCount "110"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. dxe5 dxe5 6. Bg5 c6 7. e3 Be7 8. Be2 0-0 9. 0-0 Qc7 10. Qc2 Re8 11. Rad1 b6 12. Rd2 Bb7 13. Rfd1 Rad8 14. h3 Nc5 15. Rxd8 Rxd8 16. Rxd8+ Bxd8 17. Bh4 h6 18. Bg3 Nfd7 19. Ne4 Nxe4 20. Qxe4 c5 21. Qc2 Bf6 22. Bd3 Qd8 23. Be4 Bxe4 24. Qxe4 Qe8 25. b3 a5 26. a4 Qe6 27. Qd5 Qe8 28. e4 Qe7 29. Kf1 Qe8 30. Ke2 g6 31. Bh2 Bg7 32. g4 Kh8 33. Qc6 Qe7 34. Kf1 Kh7 35. Nd2 Qd8 36. Qd5 Qe7 37. Nb1 Nb8 38. Kg2 Qc7 39. Nc3 Qd7 40. Nb5 Qe7 41. Qa8 Nd7 42. Qb7 f5 43. f3 fxe4 44. fxe4 Qd8 45. Nc3 Kh8 46. Nd5 h5 47. Qc6 hxg4 48. hxg4 Kh7 49. Bg3 Kh6 50. Qe6 Kh7 51. Kh3 Kh6 52. Qf7 Qf8 53. Qxd7 Qf1+ 54. Kh2 Qe2+ 55. Kg1 Qd2 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.05"]
[Round "5"]
[White "Petko, Daria"]
[Black "Pavlovskiy, Mikhail"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1810"]
[BlackElo "2231"]
[PlyCount "77"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Be3 Bb6 7. Bxb6 axb6 8. Nbd2 0-0 9. 0-0 Na5 10. Bb3 Nxb3 11. Nxb3 Bg4 12. Re1 Re8 13. a3 Nh5 14. h3 Be6 15. d4 Nf4 16. Nc1 Qf6 17. Nd3 Ng6 18. d5 Bd7 19. Rc1 Qd8 20. Qd2 f5 21. Qe3 f4 22. Qe2 Rf8 23. c4 Nh4 24. Rc3 Nxf3+ 25. Qxf3 Qh4 26. Nc1 Rf6 27. b4 Raf8 28. c5 bxc5 29. bxc5 g5 30. g4 fxg3 31. Qxg3 Rxf2 32. Qxh4 gxh4 33. cxd6 cxd6 34. Re2 R2f3 35. Rc7 Bxh3 36. Rxb7 Rxa3 37. Na2 Rg3+ 38. Kh2 Bf1 39. Rd2 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.04"]
[Round "4"]
[White "Pats, Vladimir"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2102"]
[BlackElo "1810"]
[PlyCount "74"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. c4 c6 4. Bg2 e6 5. 0-0 Bd6 6. Qc2 0-0 7. d4 Nbd7 8. b3 e5 9. dxe5 Nxe5 10. Bb2 Nxf3+ 11. Bxf3 dxc4 12. Qxc4 Be6 13. Qh4 Nd7 14. Qe4 Re8 15. Qc2 Qc7 16. Nc3 Rad8 17. Rfd1 h6 18. Rac1 Nb6 19. e4 Rd7 20. Qe2 Qb8 21. Re1 Red8 22. Rcd1 Bb4 23. Bg2 Qc8 24. h4 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Qd7 27. Qc2 Bh3 28. Bxh3 Qxh3 29. Ne2 Qg4 30. Nd4 g6 31. Qd3 Bf8 32. Kg2 Bg7 33. Bc1 Qd7 34. Be3 c5 35. Qd2 cxd4 36. Bxh6 Bxh6 37. Qxh6 Qg4 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.03"]
[Round "3"]
[White "Petko, Daria"]
[Black "Rastorotskiy, Mikhail"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1810"]
[BlackElo "2046"]
[PlyCount "75"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bf4 Qb6 8. b3 Bg4 9. Be2 Nd5 10. Be3 Nc3 11. Qd3 Nxe2 12. Qxe2 Bxf3 13. Qxf3 Qb4+ 14. Ke2 g6 15. Rhd1 Bg7 16. c4 0-0 17. Rd2 e6 18. Rad1 Rfd8 19. Kf1 Rac8 20. d5 cxd5 21. cxd5 e5 22. d6 Rd7 23. Bg5 Rc3 24. Qd5 Rc5 25. Qd3 e4 26. Qh3 Qb5+ 27. Kg1 Rxg5 28. Rc2 Be5 29. a4 Bxh2+ 30. Qxh2 Qxb3 31. Rdc1 Qd3 32. Qh6 Rxg2+ 33. Kxg2 Qxd6 34. Rc8+ Rd8 35. Qh4 Rxc8 36. Rxc8+ Kg7 37. Qxe4 Qd7 38. Rc4 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2010.06.01"]
[Round "1"]
[White "Chubukin, Aleksandr Nikolaevi"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2228"]
[BlackElo "1810"]
[PlyCount "67"]
[EventDate "2010.06.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h5 10. Be2 e5 11. Be3 Qd5 12. Nxh5 Bxh5 13. Bxh5 Nd7 14. Bf3 e4 15. Be2 Nb6 16. Qb3 Qxb3 17. axb3 Bh6 18. Bxh6 Rxh6 19. Ra5 Nd5 20. g3 b6 21. Ra6 Ke7 22. Kd2 Nc7 23. Raa1 a5 24. Bg4 Ne8 25. b4 a4 26. b3 a3 27. Ra2 Nd6 28. Rha1 Nb5 29. Be2 Nc7 30. Rxa3 Rhh8 31. Rxa8 Rxa8 32. Rxa8 Nxa8 33. Bg4 Nc7 34. Bf5 1-0

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.27"]
[Round "9"]
[White "Vavushkov, Vladimir"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1576"]
[BlackElo "1826"]
[PlyCount "82"]
[EventDate "2010.03.19"]
[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 c5 3. d5 d6 4. Nc3 e6 5. e4 exd5 6. exd5 g6 7. Nf3 Na6 8. Bg5 Qe7+ 9. Qe2 Qxe2+ 10. Bxe2 Bg7 11. a3 Nc7 12. Rb1 Bf5 13. Rd1 0-0 14. 0-0 a5 15. Nh4 Ne4 16. Nxe4 Bxe4 17. Be7 Rfc8 18. Bxd6 Bxb2 19. Bxc5 Nxd5 20. Bd4 Nc3 21. Rd2 Nxe2+ 22. Rxe2 Bxd4 23. Rxe4 Rxc4 24. Kh1 Rac8 25. g3 Bb2 26. Rxc4 Rxc4 27. Rb1 Rc1+ 28. Rxc1 Bxc1 29. a4 Kf8 30. Nf3 Ke7 31. Kg1 Kd6 32. Ne1 Bd2 33. Nf3 Bc1 34. Nd4 Bb2 35. Nb3 Bc3 36. Kf1 Kd5 37. Ke2 Kc4 38. Nc1 b6 39. f3 Bg7 40. Kd2 Kb4 41. Kc2 Kxa4 0-1

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.26"]
[Round "8"]
[White "Petko, Daria"]
[Black "Tsigankov, Vladimir"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1826"]
[BlackElo "1870"]
[PlyCount "84"]
[EventDate "2010.03.19"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Nge7 8. b4 Nf5 9. Bb2 Bd7 10. Be2 a5 11. b5 Na7 12. a4 Bb4+ 13. Nbd2 Rc8 14. 0-0 0-0 15. Nb3 f6 16. Bd3 Ne7 17. Rc1 Qd8 18. Rxc8 Nexc8 19. Qc2 f5 20. Bc1 Be7 21. Nc5 Qc7 22. Nxd7 Qxd7 23. g4 Nb6 24. gxf5 exf5 25. Kh1 g6 26. Rg1 Kh8 27. Bg5 Rc8 28. Qe2 Nxa4 29. e6 Qd6 30. Bxe7 Qxe7 31. Bxf5 Qf6 32. Bh3 Nc3 33. Qe5 Qxe5 34. Nxe5 Naxb5 35. f4 Nxd4 36. f5 Ne4 37. fxg6 Nf2+ 38. Kg2 Nxh3 39. Kxh3 Nxe6 40. Nf7+ Kg7 41. Nd6 Rc3+ 42. Kg4 hxg6 0-1

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.25"]
[Round "7"]
[White "Ibraeva, Galina"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1851"]
[BlackElo "1826"]
[PlyCount "95"]
[EventDate "2010.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. e3 e5 4. d4 exd4 5. Qxd4 Nc6 6. Qd1 Be6 7. Qb3 Na5 8. Qb5+ c6 9. Qa4 Nxc4 10. Nf3 Bd6 11. Qc2 0-0 12. Bd3 h6 13. 0-0 Ne5 14. Nxe5 Bxe5 15. h3 g5 16. Bf5 Qd7 17. Bxe6 Qxe6 18. f4 gxf4 19. exf4 Bd4+ 20. Kh1 Nh5 21. Qd3 Bxc3 22. bxc3 Qe4 23. Qf3 Qxf3 24. Rxf3 Kh7 25. f5 Rg8 26. g4 Nf6 27. Be3 a6 28. Rb1 b5 29. Bd4 Ne4 30. Rc1 Rae8 31. Rg1 Ng5 32. Rd3 Re2 33. Rg2 Rge8 34. h4 Rxg2 35. Kxg2 Ne4 36. Kf3 Nd6 37. Rd2 h5 38. Rg2 hxg4+ 39. Rxg4 Nxf5 40. Bc5 Rg8 41. Rf4 Nh6 42. Rf6 Rg6 43. Rf4 Kg8 44. h5 Rg5 45. Rf6 Rf5+ 46. Rxf5 Nxf5 47. Kg4 Ng7 48. Kf4 0-1

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.24"]
[Round "6"]
[White "Petko, Daria"]
[Black "Shaposhnik, Evgeniy"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "1826"]
[BlackElo "1972"]
[PlyCount "112"]
[EventDate "2010.03.19"]
[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 Nf6 3. d4 exd4 4. e5 Qe7 5. Be2 Nd5 6. Qxd4 Qb4+ 7. Bd2 Qxd4 8. Nxd4 d6 9. exd6 Bxd6 10. Nc3 Nxc3 11. Bxc3 0-0 12. 0-0 Bd7 13. Bf3 Nc6 14. Nxc6 Bxc6 15. Bxc6 bxc6 16. Rfe1 f6 17. a3 Rab8 18. Bb4 Kf7 19. b3 Rfe8 20. Rxe8 Rxe8 21. Kf1 a6 22. Rd1 Re6 23. h3 h5 24. c4 c5 25. Bc3 Ke7 26. Rd5 g6 27. b4 c6 28. Rd2 Re4 29. Bxf6+ Ke6 30. bxc5 Bxc5 31. Bb2 Rxc4 32. Re2+ Kf7 33. Rd2 Be7 34. f3 a5 35. g4 hxg4 36. hxg4 Bf6 37. Ke2 Bxb2 38. Rxb2 Rc3 39. Rb1 Rxa3 40. Rc1 Ra2+ 41. Ke3 a4 42. Rxc6 a3 43. Ra6 Ra1 44. Kd2 a2 45. Kc2 Rf1 46. Rxa2 Rf2+ 47. Kb3 Rxf3+ 48. Kb2 Rf2+ 49. Kb1 Rxa2 50. Kxa2 Kf6 51. Kb2 Kg5 52. Kc2 Kxg4 53. Kd2 Kg3 54. Ke3 g5 55. Ke2 g4 56. Kf1 Kh2 0-1

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.23"]
[Round "5"]
[White "Babich, Mikhail"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2033"]
[BlackElo "1826"]
[PlyCount "83"]
[EventDate "2010.03.19"]
[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. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 e6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. 0-0 0-0 10. Re1 h6 11. Nbd2 Re8 12. Ne5 Nd7 13. f4 Ndxe5 14. fxe5 Qd8 15. Re3 Ne7 16. Qh5 Nf5 17. Bxf5 exf5 18. Rf1 Qg5 19. Qxg5 hxg5 20. c4 f4 21. Rc3 Be6 22. c5 f6 23. exf6 gxf6 24. h4 Bd7 25. Rb3 Rab8 26. hxg5 fxg5 27. g3 Re2 28. Nf3 Bh3 29. Rf2 Rxf2 30. Kxf2 g4 31. Ne5 f3 32. Nd7 Rd8 33. Rxb7 Kf7 34. Ne5+ Ke6 35. b4 Ra8 36. b5 a6 37. b6 Rh8 38. Rg7 Kf5 39. Rf7+ Ke6 40. c6 Bg2 41. b7 Rh2 42. Kg1 1-0

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.22"]
[Round "4"]
[White "Petko, Daria"]
[Black "Frolov, Evgeniy"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1826"]
[BlackElo "1567"]
[PlyCount "101"]
[EventDate "2010.03.19"]
[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 Bc5 5. Nc3 h6 6. 0-0 d6 7. Be3 Bb6 8. Bxb6 axb6 9. Nd2 0-0 10. f4 Bg4 11. Qe1 exf4 12. Rxf4 Nd4 13. Rc1 b5 14. h3 bxc4 15. hxg4 cxd3 16. cxd3 Ne6 17. Rf1 Nxg4 18. Qg3 Ne5 19. a3 Nd4 20. Rf2 c6 21. Rcf1 Qb6 22. Nc4 Nxc4 23. dxc4 Nc2 24. Qxd6 Ne3 25. c5 Qb3 26. Rb1 Nc4 27. Qg3 Rae8 28. Ne2 Qc2 29. Nc3 Qb3 30. Kh2 Ne5 31. Rf5 Qe6 32. Rbf1 g6 33. Kh1 Kh7 34. Rf6 Qd7 35. a4 Nd3 36. Rd6 Qe7 37. Qxd3 Rd8 38. Rd1 Rxd6 39. cxd6 Qd7 40. Qh3 f5 41. e5 Re8 42. Qh2 g5 43. Re1 Re6 44. Qh5 Rg6 45. Qe2 Re6 46. Nd1 Kg6 47. Nf2 g4 48. Nd3 b6 49. Nf4+ Kf7 50. Nxe6 Kxe6 51. Qc4# 1-0

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.21"]
[Round "3"]
[White "Kapkan, Evgeniy"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1969"]
[BlackElo "1826"]
[PlyCount "76"]
[EventDate "2010.03.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. e3 Bf5 4. Nf3 e6 5. Be2 Bd6 6. 0-0 0-0 7. Nh4 Bg6 8. Nxg6 fxg6 9. c4 c6 10. h3 Nbd7 11. d3 Qc7 12. Nd2 Be5 13. Bxe5 Nxe5 14. Rc1 Rad8 15. d4 Nf7 16. f4 Nd6 17. Nf3 Nde4 18. Bd3 Ng3 19. Re1 Nfh5 20. Qc2 Qe7 21. Kh2 c5 22. cxd5 cxd4 23. Nxd4 exd5 24. Qc5 Qxc5 25. Rxc5 Rfe8 26. Rc7 Nxf4 27. Bb5 Re4 28. Kxg3 a6 29. Bf1 Rde8 30. Nc2 Nh5+ 31. Kh2 b5 32. Bd3 R4e5 33. Rf1 Nf6 34. Rc6 Ra8 35. Rd1 g5 36. Be2 h5 37. Rd4 h4 38. Bf3 a5 1-0

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.21"]
[Round "2"]
[White "Petko, Daria"]
[Black "Znamenskiy, Valeriy"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1826"]
[BlackElo "1757"]
[PlyCount "87"]
[EventDate "2010.03.19"]
[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 Nc6 2. d4 d5 3. exd5 Qxd5 4. Be3 e5 5. c4 Bb4+ 6. Nc3 Qe4 7. Nf3 Bf5 8. Ng5 Qc2 9. Qxc2 Bxc2 10. d5 Nd4 11. f4 Nf5 12. Bd2 h6 13. Nb5 Bc5 14. Nxc7+ Kd7 15. Nxf7 Kxc7 16. Nxh8 Re8 17. Ng6 exf4+ 18. Be2 Nd4 19. Bxf4+ Kb6 20. Ne5 Bd6 21. Rc1 Bxe5 22. Be3 Ba4 23. b3 Bg3+ 24. Kd2 Bf4 25. c5+ Ka5 26. Bxf4 Nxe2 27. Bc7+ Ka6 28. Rce1 Bb5 29. a4 Bd7 30. Rxe2 Rf8 31. Rhe1 Bg4 32. Re3 Rf5 33. Rd3 Rf2+ 34. Kc3 Bf5 35. Rd2 Rxd2 36. Kxd2 Bd7 37. d6 g5 38. Rf1 b5 39. Rf7 Nf6 40. Rxf6 Kb7 41. Rf7 Kc8 42. Rf8+ Kb7 43. Rd8 Bc6 44. Ba5 1-0

[Event "Vladivostok Cup"]
[Site "Vladivostok"]
[Date "2010.03.19"]
[Round "1"]
[White "Vilchenko, Maxim"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2204"]
[BlackElo "1826"]
[PlyCount "63"]
[EventDate "2010.03.19"]
[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 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. N1c3 Nc6 9. e3 b6 10. Nd6 Ba6 11. Be2 Ne7 12. 0-0 Nc8 13. Ncb5 Bxb5 14. Nxb5 e4 15. Rfd1 a6 16. Nc3 Ne7 17. Qc2 Nc6 18. Nxe4 Nxe4 19. Qxe4 Re8 20. Qd5 Ra7 21. a3 Qf6 22. b4 a5 23. b5 Re5 24. Qd2 Nd8 25. Qd6 Re6 26. Qb8 Rb7 27. Qc8 d6 28. Bf3 Ra7 29. Qb8 Qe7 30. Qxb6 h6 31. c5 d5 32. c6 1-0

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.10.01"]
[Round "9"]
[White "Petko, Daria"]
[Black "Mikhailova, Lubov"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1826"]
[BlackElo "1853"]
[PlyCount "56"]
[EventDate "2009.09.23"]
[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. c3 Nf6 3. Bd3 d6 4. Nf3 Nc6 5. Bc2 g6 6. d4 cxd4 7. cxd4 Bg4 8. Ba4 Nxe4 9. Bxc6+ bxc6 10. Qc2 Nf6 11. Qxc6+ Bd7 12. Qc2 Bg7 13. Nc3 0-0 14. 0-0 Rb8 15. Qd2 Bc6 16. Qf4 Nh5 17. Qe3 Bxf3 18. gxf3 d5 19. Rb1 e5 20. Ne2 exd4 21. Nxd4 Qh4 22. Nc6 Rbe8 23. Qxa7 Be5 24. Nxe5 Rxe5 25. Qd7 Nf4 26. Bxf4 Qxf4 27. Qh3 Rh5 28. Qg3 Rg5 0-1

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.30"]
[Round "8"]
[White "Oplachko, Alina"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "1826"]
[PlyCount "98"]
[EventDate "2009.09.23"]
[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. Nf3 Nf6 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. 0-0 e6 10. d3 Be7 11. Bd2 Qf5 12. Qc2 Nc5 13. Ne1 Rd8 14. Be3 0-0 15. Bxc5 Bxc5 16. Rd1 Ng4 17. Nf3 Rd7 18. Ne4 Bb6 19. h3 Nf6 20. Nxf6+ Qxf6 21. Rfe1 Rfd8 22. Ne5 Rc7 23. Qe2 Bd4 24. b3 Bc3 25. Ng4 Qg5 26. Rf1 Qa5 27. Rc1 Rcd7 28. Rfd1 b5 29. Ne5 Rc7 30. Nf3 b4 31. d4 Qb6 32. Qe4 h6 33. Ne5 Bxd4 34. Ng4 Rxc1 35. Rxc1 f5 36. Nxh6+ gxh6 37. Qh4 Bg7 38. Re1 Re8 39. Qc4 Kh7 40. Qc2 Bc3 41. Re2 Rg8 42. Kh1 Qd6 43. Qc1 Rd8 44. Qe3 Qc7 45. g3 Rd1+ 46. Kh2 Qb7 47. f3 e5 48. Rg2 Rf1 49. Qe2 Rxf3 0-1

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.29"]
[Round "7"]
[White "Petko, Daria"]
[Black "Dolbnya, Darya"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1826"]
[BlackElo "2029"]
[PlyCount "102"]
[EventDate "2009.09.23"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 d6 7. Bb5 Qa5+ 8. Nc3 Nxc3 9. Bxc6+ bxc6 10. Qd2 Ba6 11. Qxc3 Qb5 12. Qc2 e6 13. a4 Qb6 14. Be3 d5 15. Rc1 Rc8 16. h3 Bc4 17. Bd2 a5 18. Bc3 Bb4 19. Ng1 c5 20. Bxb4 Qxb4+ 21. Qc3 Qxc3+ 22. bxc3 Bb3 23. Ra1 cxd4 24. cxd4 Rc4 25. Rb1 Rb4 26. Ne2 0-0 27. 0-0 Bxa4 28. Ra1 Bb5 29. Rfe1 a4 30. Nc3 Bd7 31. Red1 Ra8 32. f4 a3 33. Rd2 Rb3 34. Rc2 Rc8 35. Rac1 Rb2 36. Rf2 h6 37. Rf3 a2 38. Ra1 Ra8 39. Rf2 Rxf2 40. Kxf2 Ra3 41. Ne2 Bb5 42. Nc1 Bc4 43. Ke1 Kf8 44. h4 h5 45. Kd2 Rg3 46. Kc2 Rxg2+ 47. Kc3 Rh2 48. Kb4 Rb2+ 49. Ka3 Rb1 50. Rxa2 Bxa2 51. Nxa2 Rd1 0-1

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.28"]
[Round "6"]
[White "Petko, Daria"]
[Black "Starnovskaya, Anastasiya"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1826"]
[BlackElo "1860"]
[PlyCount "92"]
[EventDate "2009.09.23"]
[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 Nf6 3. d4 Nxe4 4. dxe5 d5 5. exd6 Bxd6 6. Bd3 Nc5 7. 0-0 Nxd3 8. Qxd3 0-0 9. Nc3 Nc6 10. Be3 Nb4 11. Qd2 Bf5 12. Nd4 Bg6 13. a3 Na6 14. Ndb5 Nc5 15. b4 Ne4 16. Nxe4 Bxe4 17. Rad1 Qh4 18. Nxd6 cxd6 19. Qd4 Qe7 20. c4 Rac8 21. Rfe1 Bf5 22. Bh6 Qf6 23. Qxf6 gxf6 24. Bxf8 Kxf8 25. Rxd6 Rxc4 26. Rxf6 Be6 27. Rf3 Kg7 28. h3 Rd4 29. Re5 Bd5 30. Rg5+ Kf8 31. Rff5 Be4 32. Rf4 Rd1+ 33. Kh2 Bg6 34. Rc5 Rd3 35. a4 Rd7 36. Rfc4 Bd3 37. Rc1 Be4 38. Re5 Rd4 39. Rc8+ Kg7 40. Rg5+ Kf6 41. Rg4 Rxb4 42. Re8 Kf5 43. f3 Bc6 44. Rxb4 Bxe8 45. Rxb7 a6 46. a5 h5 1-0

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.27"]
[Round "5"]
[White "Kantemirova, Elizaveta"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A22"]
[BlackElo "1826"]
[PlyCount "74"]
[EventDate "2009.09.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. e3 e5 4. cxd5 Nxd5 5. Bc4 Be6 6. Bb3 Nc6 7. Nge2 Bc5 8. 0-0 0-0 9. d4 exd4 10. exd4 Bb6 11. Be3 Re8 12. Bc2 Nxe3 13. fxe3 Qg5 14. Ng3 Qxe3+ 15. Kh1 Nxd4 16. Re1 Qh6 17. Re5 Rad8 18. Rh5 Nxc2 19. Qxc2 Qg6 20. Nce4 Bd5 21. Rh4 Re6 22. Rd1 Rde8 23. Re1 f5 24. Qd1 Bxe4 25. Nxe4 Rxe4 26. Rhxe4 fxe4 27. Qd5+ Qe6 28. Qh5 e3 29. Re2 Rf8 30. Kg1 Qxa2 31. h3 Qf7 32. Qb5 c6 33. Qd3 Qf1+ 34. Kh2 Bc7+ 35. g3 Rf2+ 36. Rxf2 Qxd3 37. Rg2 e2 0-1

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.26"]
[Round "4"]
[White "Petko, Daria"]
[Black "Chernikov, Daniil"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1826"]
[BlackElo "2025"]
[PlyCount "82"]
[EventDate "2009.09.23"]
[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. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Be3 Bf5 7. Nc3 Qd7 8. Nf3 e6 9. Bb5 f6 10. 0-0 Bb4 11. Rc1 Nge7 12. Qa4 a6 13. Rfd1 0-0 14. Bxc6 Nxc6 15. d5 exd5 16. Nxd5 b5 17. Qb3 Qe6 18. Nc7 Qxb3 19. axb3 Rad8 20. Nxa6 Rxd1+ 21. Rxd1 Ra8 22. Nc7 Ra2 23. Nxb5 Rxb2 24. Nfd4 Nxd4 25. Nxd4 Bc2 26. Nxc2 Rxc2 27. Rd8+ Kf7 28. Rb8 Rb2 29. g4 Bd6 30. Rb6 Bf8 31. Kg2 h6 32. Kf3 Rb1 33. Rb7+ Kg6 34. h4 h5 35. g5 Rh1 36. gxf6 gxf6 37. Rb8 Kf7 38. Bd4 Be7 39. Rb7 Ke6 40. Rb6+ Kf5 41. Kg3 Rg1+ 1/2-1/2

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.25"]
[Round "3"]
[White "Panchenko, Makar"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2032"]
[BlackElo "1826"]
[PlyCount "102"]
[EventDate "2009.09.23"]
[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. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. a3 Bxc3+ 8. bxc3 Nc6 9. Bg5 Qa5 10. Qc2 Ne4 11. Bd2 a6 12. Bd3 Nxd2 13. Qxd2 dxc4 14. Bxc4 b5 15. Bd3 Bb7 16. 0-0 Ne7 17. c4 Qxd2 18. Nxd2 bxc4 19. Bxc4 Nf5 20. Rab1 Nd6 21. Be2 Ke7 22. Nc4 Be4 23. Rb6 Nb5 24. Nd2 Nxd4 25. Bxa6 Bd5 26. Rfb1 Ra7 27. a4 Rha8 28. Bb7 Bxb7 29. Rxb7+ Kf6 30. Rxa7 Rxa7 31. Ra1 Ke5 32. Nf3+ Nxf3+ 33. gxf3 Kd4 34. Kg2 Kc3 35. a5 Kb4 36. a6 Kb5 37. Kg3 Rxa6 38. Rxa6 Kxa6 39. Kg4 Kb6 40. f4 Kc6 41. f5 exf5+ 42. Kxf5 Kd6 43. h4 Ke7 44. f3 f6 45. h5 Kf7 46. f4 g6+ 47. hxg6+ hxg6+ 48. Kg4 Ke6 49. Kg3 Kf5 50. Kf3 g5 51. fxg5 fxg5 1/2-1/2

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.24"]
[Round "2"]
[White "Feigin, Semen"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2045"]
[BlackElo "1826"]
[PlyCount "49"]
[EventDate "2009.09.23"]
[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. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bg4 7. Be2 Nd7 8. 0-0 Be7 9. c4 Nb6 10. b3 0-0 11. Bf4 Qd7 12. Qd2 Rfd8 13. Rad1 Qe6 14. Rfe1 Qc8 15. Qc2 Bb4 16. Bd2 a5 17. Qb2 Qc7 18. a4 Rd7 19. Bxb4 axb4 20. Nd2 Qf4 21. Bxg4 Qxg4 22. a5 Rxd4 23. axb6 Rad8 24. h3 Qg5 25. Qxd4 1-0

[Event "Primorie-ch U20 op"]
[Site "Vladivostok"]
[Date "2009.09.23"]
[Round "1"]
[White "Petko, Daria"]
[Black "Chuhachev, Vladimir"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1826"]
[BlackElo "1934"]
[PlyCount "88"]
[EventDate "2009.09.23"]
[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. c3 g6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Nxe4 Bg7 7. Be3 Nf6 8. Nxf6+ Bxf6 9. Nf3 Bg4 10. Qa4+ Nc6 11. Ne5 Bd7 12. Nxd7 Qxd7 13. Bb5 0-0 14. 0-0 Rfd8 15. Rfd1 Rac8 16. d5 Bxb2 17. dxc6 Qc7 18. Rxd8+ Rxd8 19. Rb1 bxc6 20. Bxc6 Bf6 21. g3 Rd6 22. Bg2 a6 23. Qb4 Kg7 24. Rc1 Qd7 25. Qb8 Qa4 26. Rc8 h5 27. Rg8+ Kh7 28. Qf8 Rd1+ 29. Bf1 Qc4 30. Kg2 Qxf1+ 31. Kf3 Qh1+ 32. Ke2 Qf1+ 33. Kf3 Qc4 34. Qa8 Qxa2 35. Rc8 a5 36. Rc5 a4 37. Ra5 Ra1 38. Qe4 Qb3 39. Qf4 Qd1+ 40. Ke4 Qc2+ 41. Kf3 Qd1+ 42. Ke4 Qc2+ 43. Kf3 Qd1+ 44. Ke4 Qc2+ 1/2-1/2

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "8"]
[White "Fedorenko, Ilya"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "42"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bf4 Bd6 7. Qd2 Bf5 8. 0-0-0 0-0 9. Ne2 Na6 10. g4 Bxg4 11. Rg1 Bh5 12. h4 Re8 13. Bh6 g6 14. f4 f5 15. Re1 Qxh4 16. Bg5 Qf2 17. Rg3 Bxe2 18. Rg2 Qe3 19. Bxe2 Qxd2+ 20. Kxd2 Nc7 21. Rh1 Ne6 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "4"]
[White "Legenko, Sergey"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2072"]
[PlyCount "93"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. Bg5 Be7 8. c5 Bd7 9. Bd3 0-0 10. 0-0 b6 11. cxb6 Qxb6 12. Na4 Qa5 13. Bxf6 Bxf6 14. Nc5 Qd8 15. Rc1 Nb4 16. Bb1 Bb5 17. Re1 Na6 18. Nd3 g6 19. Nde5 Bxe5 20. Nxe5 Rc8 21. Qd2 Qh4 22. g3 Qh5 23. Bc2 Kg7 24. Bd1 Qh6 25. Qxh6+ Kxh6 26. Rxc8 Rxc8 27. Nxf7+ Kg7 28. Nd6 Rb8 29. Rxe6 Rb6 30. Bg4 Bd3 31. Ne8+ Kf7 32. Rxb6 axb6 33. Nd6+ Kf6 34. Nc8 b5 35. Nb6 Nc7 36. Nd7+ Kg5 37. Ne5 Bc2 38. f4+ Kf6 39. Kf2 b4 40. Nc6 b3 41. a4 Na6 42. Ke3 Kf7 43. Kd2 Ke8 44. Kc3 Kf7 45. Nb4 Nc7 46. Nxc2 bxc2 47. Kxc2 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "1"]
[White "Petko, Daria"]
[Black "Dolbnya, Darya"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "1950"]
[PlyCount "81"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 Nc6 6. Nc3 Nxc3 7. bxc3 d6 8. exd6 Qxd6 9. Bb5 a6 10. Ba4 b5 11. Bb3 Bb7 12. Nf3 e6 13. Be3 Qc7 14. Rc1 Ba3 15. Rb1 Na5 16. Bd2 Be4 17. Bc2 Bd5 18. Bb3 Nxb3 19. axb3 Be4 20. Ra1 Bb2 21. Ra2 Bxc3 22. 0-0 Bxd2 23. Nxd2 Bg6 24. Qe2 0-0 25. Rfa1 Qb6 26. Nf3 Rfc8 27. h3 Rc7 28. Ne5 Rca7 29. Qd2 Rd8 30. Qe3 Rd5 31. Rc1 Ra8 32. Nc6 Kf8 33. Qc3 a5 34. Rxa5 Rxa5 35. Qb4+ Kg8 36. Ne7+ Kh8 37. Nxd5 Qd8 38. Qxa5 Qf8 39. Qa6 f6 40. Rc8 Be8 41. Qc6 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "9"]
[White "Petko, Daria"]
[Black "Doronina, Elena Sergeevna"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "60"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 d5 8. Nf3 Be7 9. Bd3 Nc6 10. Bf4 Bd7 11. 0-0 Na5 12. Rc1 Rc8 13. Nd2 h5 14. h3 Ba3 15. Rb1 Rxc3 16. Nf3 a6 17. Be2 b5 18. Ng5 g6 19. Bd2 Rc6 20. Bd3 Nc4 21. Bxc4 Rxc4 22. Nxf7 Kxf7 23. Qf3+ Kg7 24. Qxa3 Ra4 25. Qb2 Qb6 26. Be3 Rc8 27. Qe2 Rac4 28. Qf3 Qd8 29. h4 Qf8 30. Qg3 Qf5 1/2-1/2

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "3"]
[White "Petko, Daria"]
[Black "Frolov, Sergey2222"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1908"]
[PlyCount "62"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 d6 5. exd6 exd6 6. Nf3 Be7 7. c4 Nf6 8. d5 0-0 9. Be2 Nbd7 10. 0-0 Ne4 11. Nbd2 f5 12. Nxe4 fxe4 13. Nd2 Nf6 14. Re1 Qe8 15. Qb3 Qg6 16. Bd1 b6 17. Bc2 Bf5 18. Qe3 Ng4 19. Qe2 e3 20. Bxf5 exf2+ 21. Qxf2 Rxf5 22. Qg3 Bf6 23. h3 Bd4+ 24. Kh1 Nf2+ 25. Kh2 Rg5 26. Qf3 Rf8 27. Re6 Qc2 28. Qe2 Be5+ 29. Kg1 Nxh3+ 30. Kh1 Nf4 31. Qe3 Qd1+ 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "7"]
[White "Petko, Daria"]
[Black "Ibraev, Valeriy"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1720"]
[PlyCount "78"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. e5 Nc6 5. Be3 Qb6 6. Qd2 cxd4 7. cxd4 Bb4 8. Nc3 Nge7 9. a3 Bxc3 10. bxc3 Nf5 11. Nf3 Nxe3 12. fxe3 0-0 13. Bd3 h6 14. 0-0 Na5 15. Qc2 Bd7 16. Nh4 Nc4 17. Qe2 Qc7 18. Rf3 Be8 19. Rg3 f5 20. Ng6 Bxg6 21. Rxg6 Qf7 22. Rg3 Rac8 23. a4 b6 24. Rf1 Kh8 25. e4 f4 26. Rg4 g5 27. h4 Ne3 28. hxg5 Nxg4 29. Qxg4 Rxc3 30. Bb1 Rg3 31. Qh4 Qg7 32. Rxf4 Rxf4 33. Qxf4 Rxg5 34. Qf3 dxe4 35. Qxe4 Rg4 36. Qa8+ Qg8 37. Qb7 Rxd4 38. Bc2 Rd2 39. Bb3 Re2 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "5"]
[White "Petko, Daria"]
[Black "Ibraeva, Galina"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "39"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. c3 Nf6 6. Nbd2 d5 7. exd5 Nxd5 8. Nf1 Bg4 9. Qb3 Bxf3 10. gxf3 Nb6 11. Bxf7+ Kf8 12. Bh5 Qf6 13. Ng3 g6 14. Ne4 Qe7 15. Bxg6 Bd6 16. Be3 Rd8 17. Rg1 Nb8 18. Bh5 N8d7 19. Bxh6+ Rxh6 20. Qg8# 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "6"]
[White "Shershnev, Anatoliy"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2030"]
[PlyCount "75"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e4 d6 5. Bc4 0-0 6. Qe2 Nc6 7. d4 d5 8. Bd3 dxe4 9. Bxe4 Nxe4 10. Qxe4 Bf5 11. Qe3 Bxc2 12. 0-0 Nb4 13. Na3 Bf5 14. Bc3 Nd5 15. Qd2 c5 16. Rac1 Nxc3 17. Rxc3 cxd4 18. Rcc1 e5 19. Nc4 Re8 20. Rfd1 Qd7 21. Nh4 e4 22. Nxf5 gxf5 23. Qg5 Rad8 24. h4 Qe6 25. h5 Kh8 26. a4 Bh6 27. Qh4 Bxc1 28. Rxc1 Rg8 29. Rd1 f6 30. g3 Rg4 31. Qh3 f4 32. Kh1 fxg3 33. Ne3 gxf2 34. Nxg4 e3 35. Nxf2 Qd5+ 36. Kg1 e2 37. Rc1 Qg5+ 38. Qg4 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2009.06.??"]
[Round "2"]
[White "Shukin, Andrey"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2197"]
[PlyCount "57"]
[EventDate "2009.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 c5 2. e4 cxd4 3. Nf3 d6 4. c3 Nf6 5. e5 dxe5 6. Nxe5 e6 7. Bb5+ Bd7 8. Nxd7 Nbxd7 9. Qxd4 a6 10. Bxd7+ Qxd7 11. Be3 Qb5 12. Qb6 Qxb6 13. Bxb6 Bd6 14. Nd2 Nd5 15. Be3 f5 16. Nc4 Bc7 17. Bd4 b5 18. Ne5 Nf4 19. 0-0-0 Nxg2 20. Rhg1 Nf4 21. Rxg7 Ne2+ 22. Kb1 Nxd4 23. Rxc7 Ne2 24. Rdd7 Nf4 25. Re7+ Kf8 26. Rf7+ Kg8 27. Rg7+ Kf8 28. Rcf7+ Ke8 29. Re7+ 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.08"]
[Round "9"]
[White "Dolbnya, Darya"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1947"]
[PlyCount "57"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be3 e5 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Qxd8+ Kxd8 10. 0-0-0+ Ke7 11. Bc5+ Ke6 12. Nb5 Bh6+ 13. Kc2 Ne8 14. Nxc7+ Nxc7 15. Rd6+ Ke7 16. Rxg6+ Ke8 17. Rxh6 Ne6 18. Bd6 Nd4+ 19. Kc3 Nc6 20. c5 a6 21. Bc4 f5 22. exf5 Bxf5 23. Rf6 Bg6 24. Re6+ Kd7 25. Bxe5 Nxe5 26. Rxe5 Rhf8 27. Rd1+ Kc7 28. Re7+ Kb8 29. f3 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.07"]
[Round "8"]
[White "Petko, Daria"]
[Black "Solomin, Denis"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "50"]
[EventDate "2008.05.31"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Nf3 0-0 6. Qd2 Nbd7 7. Bh6 c5 8. d5 a6 9. a4 Ng4 10. Bxg7 Kxg7 11. h3 Nge5 12. Be2 Nxf3+ 13. Bxf3 Ne5 14. Be2 b6 15. 0-0 a5 16. f4 Nd7 17. f5 Ba6 18. Nb5 Ne5 19. Qg5 h6 20. Qg3 g5 21. h4 f6 22. c3 Rh8 23. Rab1 Bxb5 24. Bxb5 Rb8 25. c4 Qc7 1/2-1/2

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.06"]
[Round "7"]
[White "Kopaev, Pavel"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2146"]
[PlyCount "41"]
[EventDate "2008.05.31"]
[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. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. c3 Bc5 6. Be3 Qg6 7. Nd2 Bb6 8. g3 Nge7 9. f4 f5 10. Bd3 d6 11. exf5 Bxf5 12. Nxf5 Bxe3 13. Nc4 Nxf5 14. Qe2 Qe6 15. g4 0-0 16. gxf5 Qd5 17. Rf1 Bc5 18. Nb6 Bxb6 19. Bc4 Rae8 20. Bxd5+ Kh8 21. Be6 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.05"]
[Round "6"]
[White "Petko, Daria"]
[Black "Trofaniuk, Arseniy"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "45"]
[EventDate "2008.05.31"]
[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. Nc3 Nc6 3. g3 d6 4. Bg2 Nf6 5. d3 g6 6. f4 Bg7 7. Nf3 0-0 8. 0-0 a6 9. Re1 Nd7 10. Be3 Nd4 11. Bf2 Rb8 12. Rb1 b5 13. Ne2 e5 14. fxe5 Nxf3+ 15. Bxf3 Nxe5 16. Bg2 Bg4 17. Rf1 Qc8 18. Be3 h6 19. Qd2 g5 20. Nc3 Bh3 21. Nd5 c4 22. Ne7+ Kh8 23. Nxc8 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.04"]
[Round "5"]
[White "Vardanian, Tatevik"]
[Black "Petko, Daria"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "32"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. f4 e5 2. e3 d6 3. fxe5 Nc6 4. Nf3 Bg4 5. Be2 dxe5 6. e4 Bc5 7. b3 Bxf3 8. Bxf3 Qd4 9. Qe2 Qxa1 10. Qb5 Bb6 11. d4 Qxd4 12. Bd2 0-0-0 13. Qe2 Qa1 14. Qd1 Nd4 15. Bg4+ Kb8 16. Bc3 Qxa2 0-1

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.03"]
[Round "4"]
[White "Petko, Daria"]
[Black "Nikolaev, Alexander"]
[Result "1-0"]
[ECO "A16"]
[BlackElo "1948"]
[PlyCount "51"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 d5 2. Nc3 Nf6 3. e3 d4 4. Nce2 e5 5. d3 Bd6 6. Nf3 Bg4 7. Qb3 Nc6 8. exd4 exd4 9. Nfxd4 Bb4+ 10. Kd1 Nxd4 11. Qxb4 Nxe2 12. Bxe2 Qxd3+ 13. Qd2 Qxc4 14. Qe3+ Qe4 15. Qxe4+ Nxe4 16. Ke1 Bxe2 17. Kxe2 0-0 18. f3 Nc5 19. Rd1 Rad8 20. Bf4 Ne6 21. Bg3 c6 22. Rac1 Rfe8 23. Kf2 g6 24. Bh4 Nf4 25. Bxd8 Re2+ 26. Kg3 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.02"]
[Round "3"]
[White "Ibraev, Valeriy"]
[Black "Petko, Daria"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "90"]
[EventDate "2008.05.31"]
[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 c5 3. Nf3 g6 4. Nc3 cxd4 5. Nxd4 Bg7 6. Bg5 Qb6 7. Nb3 Qb4 8. Qd3 Nc6 9. e3 Ne5 10. Qd4 Nc6 11. Qc5 Qxc5 12. Nxc5 d6 13. Nb3 Bf5 14. Nd4 Nxd4 15. exd4 Rc8 16. Be2 e6 17. Nb5 Kd7 18. Nxa7 Ra8 19. Nb5 Ne4 20. Bf4 e5 21. dxe5 dxe5 22. Rd1+ Ke7 23. Be3 Rhd8 24. 0-0 Rxd1 25. Rxd1 Rd8 26. Rxd8 Kxd8 27. a3 Kd7 28. b4 Be6 29. Kf1 f5 30. f3 Nf6 31. Bc5 Kc6 32. Ke1 b6 33. Bd6 Ne8 34. Be7 Kd7 35. Bg5 h6 36. Be3 Kc6 37. f4 exf4 38. Bxf4 g5 39. Be3 Be5 40. Nd4+ Kd6 41. Nxe6 Kxe6 42. Bxb6 Bxh2 43. Kf2 f4 44. Bg4+ Kd6 45. Bf5 Kc6 1/2-1/2

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.06.01"]
[Round "2"]
[White "Voloshin, Konstantin"]
[Black "Petko, Daria"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "71"]
[EventDate "2008.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Bf5 7. d3 e5 8. Nh4 c6 9. Nxf5 gxf5 10. Bd2 h6 11. Bh3 f4 12. gxf4 exf4 13. Bxf4 Nh5 14. Be3 Qh4 15. Bg2 Be5 16. f4 Nxf4 17. Bxf4 Bxf4 18. h3 Kh8 19. Rf3 Rg8 20. Qf1 Be5 21. Qf2 Qg5 22. Ne4 Qg6 23. Nf6 Rf8 24. d4 Bxf6 25. Rxf6 Qg7 26. Qf4 Kg8 27. Qxh6 Qxh6 28. Rxh6 f6 29. Be4 Nd7 30. Kf2 f5 31. Bd3 d5 32. Rg1+ Kf7 33. Rh7+ Ke8 34. cxd5 cxd5 35. Bb5 Rd8 36. Rgg7 1-0

[Event "Vladivostok op"]
[Site "Vladivostok"]
[Date "2008.05.31"]
[Round "1"]
[White "Petko, Daria"]
[Black "Pavlovskiy, Mikhail"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2211"]
[PlyCount "69"]
[EventDate "2008.05.31"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. Re1 0-0 11. Rxe4 Ne7 12. d6 cxd6 13. Qxd6 Nf5 14. Qd5 d6 15. Qb5 Ne7 16. Re1 a6 17. Qa4 Bd7 18. Qa3 Bc6 19. Bf4 d5 20. Rad1 Ng6 21. Bg3 b5 22. Bb3 Be7 23. Rxe7 Nxe7 24. Bd6 Re8 25. Ne5 Bb7 26. Qc5 Rc8 27. Qa3 Ng6 28. Nf3 Qd7 29. h3 Rcd8 30. Bg3 Qe7 31. Qa5 Qc5 32. Qd2 Rc8 33. Bxd5 Bxd5 34. Qxd5 Qxd5 35. Rxd5 0-1

