[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.24"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Saveliev, Alexei"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2179"]
[BlackElo "2396"]
[PlyCount "56"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Rg1 c6 6. g4 Qa5 7. Bd3 g6 8. g5 Nh5 9. Be3 Bg7 10. Qd2 0-0 11. 0-0-0 Re8 12. Kb1 b5 13. a3 Rb8 14. Be2 Nf4 15. Bxf4 exf4 16. Qxf4 b4 17. Bc4 d5 18. axb4 Rxb4 19. Bb3 Nb6 20. Rge1 Be6 21. exd5 Nxd5 22. Nxd5 cxd5 23. Re3 Qb6 24. Ne5 a5 25. Ng4 a4 26. Nf6+ Bxf6 27. gxf6 axb3 28. Qh6 bxc2+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.23"]
[Round "8"]
[White "Shidlovskiy, Artemiy"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2088"]
[BlackElo "2179"]
[PlyCount "66"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nc3 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Bf4 Qe7 12. Rb1 Ng4 13. Qc1 Nde5 14. Nxe5 Nxe5 15. Bh6 f5 16. Bxg7 Qxg7 17. b4 c4 18. e3 g5 19. Ne2 Bd7 20. f4 gxf4 21. exf4 Ng4 22. h3 Rae8 23. hxg4 Rxe2 24. Qxc4 Qxg4 25. Rf3 Rfe8 26. Rbf1 Bxa4 27. Qc7 Bb5 28. Qxd6 Rc2 29. R3f2 Rxf2 30. Rxf2 Qxg3 31. Kh1 Qxf2 32. Qf6 Re1+ 33. Kh2 Qxf4+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.22"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Palchun, Grigory"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2179"]
[BlackElo "2439"]
[PlyCount "36"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 0-0 9. 0-0-0 d5 10. exd5 exd5 11. a3 Bxc3 12. Bxc3 Re8 13. Qb5 Qxf2 14. Bd3 a6 15. Qa4 Ne4 16. Rde1 Bd7 17. Bxe4 b5 18. Bd4 Qxe1+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.21"]
[Round "6"]
[White "Shoboev, Dandar"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2108"]
[BlackElo "2179"]
[PlyCount "102"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. d5 e6 6. Bg2 exd5 7. cxd5 d6 8. Nc3 0-0 9. 0-0 a6 10. a4 Nbd7 11. Bf4 Ne8 12. e4 Rb8 13. Qe2 Qe7 14. Rfe1 Ne5 15. Nxe5 Bxe5 16. Bxe5 dxe5 17. Rec1 b6 18. Nd1 b5 19. axb5 axb5 20. b3 Nd6 21. Rxc5 f5 22. exf5 gxf5 23. b4 e4 24. Nc3 Qe5 25. Rc1 Bd7 26. Qh5 Nb7 27. Nxe4 Nxc5 28. Ng5 Qg7 29. bxc5 h6 30. Nf3 f4 31. Qe5 b4 32. c6 Bg4 33. c7 Rbe8 34. Qxg7+ Kxg7 35. Nd4 f3 36. Bf1 Re4 37. Nb5 Re5 38. d6 b3 39. Rb1 b2 40. Nd4 Rd5 41. Nb5 Rd2 42. Re1 Re8 43. Rxe8 b1Q 44. Nc3 Qb6 45. Ne4 Rd1 46. Nc3 Rc1 47. c8Q Bxc8 48. Rxc8 Qa6 49. Rc7+ Kg6 50. Nb5 Rxf1+ 51. Kxf1 Qa1+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.20"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Smirnov, Artem"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2179"]
[BlackElo "2390"]
[PlyCount "82"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb5 Nf6 6. Be3 Qd8 7. N1c3 a6 8. Na3 e6 9. Nc4 b5 10. Nb6 Rb8 11. Nxc8 Qxc8 12. a3 Qc7 13. Bd3 Ne5 14. h3 Bc5 15. Qe2 d6 16. 0-0 Bxe3 17. Qxe3 Qc5 18. Qe2 g5 19. Kh2 Ng6 20. g3 h5 21. e5 Nxe5 22. f4 gxf4 23. Rxf4 Nd5 24. Ne4 Nxf4 25. gxf4 Qd4 26. fxe5 Qxe5+ 27. Kh1 f5 28. Nxd6+ Qxd6 29. Bxf5 Ke7 30. Rd1 Qc6+ 31. Be4 Qc5 32. b4 Qe5 33. Qe3 Rbc8 34. Qf3 Rhf8 35. Qg2 Rcd8 36. Re1 Rd4 37. Qg6 Rd2 38. Qg1 Rff2 39. Bg2 Qg3 40. Rxe6+ Kf7 41. Rf6+ Kxf6 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.19"]
[Round "4"]
[White "Golubev, Roman"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2404"]
[BlackElo "2179"]
[PlyCount "100"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. Be3 Bf6 10. h3 Bh5 11. Qd2 Bg6 12. Bxg6 hxg6 13. b3 d5 14. c5 Nc8 15. 0-0 0-0 16. Bf4 N8e7 17. g4 Bh4 18. Kg2 Qd7 19. Rad1 Nd8 20. Ng1 Ne6 21. Be3 f5 22. Nf3 g5 23. Nxh4 gxh4 24. f4 g5 25. fxg5 fxg4 26. hxg4 Nxc5 27. Kh3 Ne4 28. Nxe4 dxe4 29. Rf6 Nd5 30. Rg6+ Kh7 31. Rh6+ Kg7 32. Kxh4 Rf3 33. Qh2 Re8 34. Bc1 Re6 35. g6 Rxg6 36. Qe5+ Nf6 37. Rxg6+ Kxg6 38. Qg5+ Kf7 39. Bf4 Qd8 40. Rc1 c6 41. Rd1 Qh8+ 42. Qh6 Qxh6+ 43. Bxh6 Kg6 44. Bc1 Nd5 45. g5 Kf5 46. Rg1 Ne7 47. Rg3 Rf1 48. Be3 Kg6 49. Kg4 Nf5 50. Rh3 Nxe3+ 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.18"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Dionisi, Thomas"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2179"]
[BlackElo "2400"]
[PlyCount "67"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 h6 10. Bh4 g5 11. fxg5 Ng4 12. Be2 Nge5 13. Nf3 Be7 14. Rhg1 b5 15. Kb1 b4 16. Na4 Rb8 17. b3 a5 18. h3 Qc7 19. Qe3 Ng6 20. Bg3 hxg5 21. Nc5 Bc8 22. Nxg5 e5 23. Bc4 Bxg5 24. Qxg5 dxc5 25. Rgf1 Nf4 26. Bxf4 exf4 27. Rxf4 Ne5 28. Rd8+ Qxd8 29. Qxe5+ Be6 30. Qxh8+ Kd7 31. Bxe6+ fxe6 32. Qe5 Rb6 33. Qxc5 Rd6 34. e5 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.17"]
[Round "2"]
[White "Smorodkin, Kirill"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1726"]
[BlackElo "2179"]
[PlyCount "86"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Bf5 7. Nf3 Be7 8. Bd3 Bg6 9. 0-0 c6 10. b3 0-0 11. Bb2 a5 12. a3 Na6 13. Rc1 d5 14. c5 Nd7 15. Re1 Nc7 16. Ne2 Ne6 17. Ng3 Bf6 18. Bxg6 hxg6 19. h3 Nexc5 20. Qc2 Ne6 21. Rcd1 Re8 22. Re2 Nf4 23. Rxe8+ Qxe8 24. Re1 Qf8 25. a4 Qd6 26. Qd2 b5 27. Bc3 bxa4 28. bxa4 Nb6 29. Qc2 c5 30. Rb1 Qc6 31. Bd2 Ne6 32. dxc5 Nc4 33. Rc1 Nxc5 34. Bc3 Qxa4 35. Qxa4 Nxa4 36. Bxf6 gxf6 37. Nd4 Nc5 38. Nge2 a4 39. Nc3 Nb3 40. Nxb3 axb3 41. Nxd5 b2 42. Rb1 Ra1 43. Nc3 Nd2 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.16"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Davidov, Alexey"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2179"]
[BlackElo "1732"]
[PlyCount "48"]
[EventDate "2017.08.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. Qe2 Nc6 5. c3 Nf6 6. dxe5 Qxe5 7. Bf4 Qxe2+ 8. Bxe2 Nd5 9. Bg3 Be6 10. Bb5 0-0-0 11. Bxc6 bxc6 12. Nf3 Bd6 13. 0-0 Nf4 14. Nbd2 Ne2+ 15. Kh1 Nxg3+ 16. fxg3 f6 17. Nd4 Bd7 18. Ne4 Rhe8 19. Rfe1 Re5 20. Nf3 Re6 21. Nd4 Re5 22. Nf3 Re6 23. Nd4 Re5 24. Nf3 Re6 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.25"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Markelova, Lubov"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2204"]
[BlackElo "2108"]
[PlyCount "59"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. c3 d6 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 Bd7 10. Kh1 Rc8 11. Nbd2 b5 12. a3 a5 13. Re1 a4 14. Bg1 b4 15. e5 bxc3 16. bxc3 Nf5 17. Rc1 Na5 18. Ne4 Nb3 19. g4 Nh4 20. Nxh4 Qxh4 21. Bf2 Qd8 22. Nxd6 Nxc1 23. Nxc8 Nxd3 24. Qxd3 Qxc8 25. Qc4 Bc6 26. Qxc5 Bxg2+ 27. Kxg2 Qb7+ 28. Kg1 Qf3 29. Qd4 Qxg4+ 30. Kh1 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.24"]
[Round "8"]
[White "Pyatin, Alexander"]
[Black "Markevich, Ilya"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2204"]
[BlackElo "2195"]
[PlyCount "86"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 d6 8. 0-0 Bd7 9. Nde2 b5 10. a3 Nf6 11. h3 Be7 12. g4 h6 13. Ng3 Nh7 14. f4 0-0 15. Kh1 Rab8 16. f5 Ne5 17. Nh5 Bg5 18. Nf4 Rbc8 19. Qe1 Qd8 20. Qf2 a5 21. Qd4 Nc4 22. fxe6 fxe6 23. Nh5 Qe7 24. Ne2 Rxf1+ 25. Bxf1 e5 26. Qd5+ Kh8 27. Nc3 Bxc1 28. Rxc1 Bc6 29. Qd1 Nxb2 30. Nd5 Qg5 31. Qe1 Bxd5 32. exd5 e4 33. Rb1 Qe5 34. c3 Na4 35. Rxb5 Nxc3 36. Rb7 g6 37. Qf2 Rf8 38. Qa7 gxh5 39. Rxh7+ Kg8 40. Rxh6 Qg7 41. Qe3 Rxf1+ 42. Kg2 Rf3 43. Qc1 hxg4 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.23"]
[Round "7"]
[White "Zavgorodniaya, Alena"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1937"]
[BlackElo "2204"]
[PlyCount "102"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 0-0 8. Nge2 Bf6 9. 0-0 Nc6 10. b3 Re8 11. Be3 Bg4 12. Qd2 d5 13. c5 Nc8 14. h3 Bxe2 15. Nxe2 N8e7 16. b4 a6 17. a4 Qc8 18. b5 axb5 19. axb5 Rxa1 20. Rxa1 Nd8 21. Nf4 g6 22. Ra7 c6 23. bxc6 Ndxc6 24. Ra4 Qd7 25. Qa2 Rb8 26. Bb5 Kg7 27. Nd3 g5 28. Ne5 Qe6 29. Qd2 h6 30. h4 Nxe5 31. dxe5 Qxe5 32. Rg4 Qf5 33. Rg3 Qb1+ 34. Bf1 Nf5 35. hxg5 hxg5 36. Rh3 Nxe3 37. fxe3 Rd8 38. Qe2 d4 39. e4 Rh8 40. e5 Be7 41. Rd3 Bxc5 42. e6 f6 43. Qf3 Bd6 44. Rb3 Qc2 45. Qxb7+ Bc7 46. Ra3 d3 47. Qa7 d2 48. Rd3 d1Q 49. Rxd1 Qxd1 50. Qxc7+ Kg6 51. Qa7 Rh1+ 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.22"]
[Round "6"]
[White "Pyatin, Alexander"]
[Black "Kozyrin, Aleksandr"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2204"]
[BlackElo "2058"]
[PlyCount "79"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 d6 8. g4 Be7 9. Be3 Qc7 10. g5 Nd7 11. h4 a6 12. 0-0-0 b5 13. f4 Nb6 14. Qf2 Rb8 15. f5 Nc4 16. f6 Nxe3 17. fxg7 Rg8 18. Qxe3 Ne5 19. Be2 Rxg7 20. Rdg1 Bd7 21. h5 Qb6 22. Qf4 Qd8 23. g6 fxg6 24. hxg6 Nxg6 25. Rxg6 Rxg6 26. Bh5 Bf6 27. Bxg6+ hxg6 28. Qxd6 Rb6 29. Qg3 Bg5+ 30. Kb1 Qf6 31. Nc5 Bf4 32. Qh3 Rd6 33. e5 Qxe5 34. Qh7 Qf5 35. N3e4 Bc8 36. Qg8+ Qf8 37. Nf6+ Ke7 38. Rh7+ Kxf6 39. Qxf8+ Kg5 40. Ne4+ 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.21"]
[Round "5"]
[White "Bezstrakhov, Dmitry"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "1981"]
[BlackElo "2204"]
[PlyCount "95"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 0-0 11. Re1 Ng4 12. Bf4 Re8 13. Qb3 Na6 14. Rad1 Rac8 15. h3 Ne5 16. Nxe5 dxe5 17. Be3 Bf8 18. a3 Bd6 19. Qb5 Qe7 20. Qe2 Nc7 21. Qg4 b5 22. f4 f6 23. fxe5 Qxe5 24. g3 Qxg3+ 25. Qxg3 Bxg3 26. Rf1 b4 27. d6 Bxd6 28. Rxd6 bxc3 29. bxc3 Rxe4 30. Bd2 Ne8 31. Rd7 Rc7 32. Rxc7 Nxc7 33. Rxf6 Re6 34. Rf1 Kg7 35. Rf3 Re4 36. Rd3 Nb5 37. Rd7+ Kf6 38. Rxh7 Ra4 39. Bc1 Nxa3 40. Be3 Ra5 41. Rc7 c4 42. Bxa7 Nb5 43. Rc6+ Kf7 44. Bd4 Ra3 45. Rf6+ Ke8 46. Re6+ Kf7 47. Rf6+ Ke8 48. Re6+ 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.20"]
[Round "4"]
[White "Pyatin, Alexander"]
[Black "Brugo, Marco"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2204"]
[BlackElo "2053"]
[PlyCount "52"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Qc7 9. c3 Bd7 10. Qe2 f6 11. Nf1 d4 12. N3d2 e5 13. Nc4 b5 14. Nxd6 Qxd6 15. f4 Be6 16. f5 Bf7 17. Rd1 Rfd8 18. Qf2 Rd7 19. g4 Rad8 20. Ng3 dxc3 21. bxc3 c4 22. Bf1 b4 23. Be3 bxc3 24. dxc4 Nd4 25. Ne2 Qb4 26. Rdc1 Bxc4 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.19"]
[Round "3"]
[White "Usmanov, Vasily"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2423"]
[BlackElo "2204"]
[PlyCount "119"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. g3 Bb4+ 5. Nc3 0-0 6. Bg2 d6 7. Qb3 Re8 8. 0-0 Bxc3 9. Qxc3 e5 10. d5 Nb8 11. Re1 e4 12. Nd4 c5 13. dxc6 bxc6 14. c5 Nd5 15. Qa3 Qf6 16. Rd1 dxc5 17. Qxc5 Bb7 18. Nb3 Nd7 19. Qd4 c5 20. Qxf6 N5xf6 21. Be3 c4 22. Na5 Bd5 23. Rac1 Rab8 24. Rd2 Rb4 25. Rdc2 Nb6 26. b3 cxb3 27. axb3 Rb5 28. Rc5 Rxc5 29. Rxc5 Rc8 30. b4 Nfd7 31. Rxc8+ Nxc8 32. Kf1 f5 33. Ke1 Ndb6 34. Bc5 Na4 35. Bd4 Ncb6 36. e3 g6 37. Bf1 Nc8 38. Nc4 Kf7 39. Na3 Ke7 40. Nb5 Nab6 41. Nxa7 Nxa7 42. Bxb6 Nc6 43. Bc5+ Kd8 44. Kd2 Ne5 45. Kc3 Ng4 46. Kd4 Bg8 47. Ba6 Nxh2 48. Ke5 Kd7 49. Be2 Nf3+ 50. Kf6 Kc6 51. Kg7 Be6 52. Kxh7 Bf7 53. Kg7 Be8 54. Kf6 Kd5 55. Ba7 Ne5 56. Ba6 Nd3 57. b5 Nb4 58. Bb7+ Kd6 59. b6 Nc6 60. Bc8 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.18"]
[Round "2"]
[White "Shinkevich, Maksim"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2052"]
[BlackElo "2204"]
[PlyCount "92"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Bb4 6. g3 0-0 7. Bg2 Re8 8. 0-0 Bxc3 9. bxc3 Ne4 10. Qc2 Qe7 11. Nb5 d6 12. Bf4 Bf5 13. Qb2 Rab8 14. Nd4 Bg6 15. Rad1 Ne5 16. f3 Nc5 17. Qb4 a5 18. Qb5 c6 19. Qxa5 Ra8 20. Qb4 Ra4 21. Qb2 Nxc4 22. Qc1 d5 23. e4 dxe4 24. fxe4 Rxa2 25. Rfe1 Nxe4 26. Bxe4 Bxe4 27. Nf5 Qc5+ 28. Rd4 Rg2+ 29. Kh1 Re2+ 30. Kg1 Rg2+ 31. Kh1 Rc2+ 32. Rexe4 Rxc1+ 33. Bxc1 Rxe4 34. Rxe4 h6 35. Rf4 b5 36. Kg2 Ne5 37. Be3 Qd5+ 38. Kh3 Qe6 39. Kg2 g5 40. Rf1 Qd5+ 41. Kh3 g4+ 42. Kh4 Nf3+ 43. Rxf3 Qxf3 44. Nxh6+ Kf8 45. Bc5+ Ke8 46. Nxg4 Qxc3 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2016.08.17"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Lyazhkov, Sergey"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2204"]
[BlackElo "1799"]
[PlyCount "85"]
[EventDate "2016.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nc6 9. Nde2 Be6 10. Rb1 a5 11. b3 Rc8 12. Bb2 Na7 13. Nd4 Bd7 14. a4 Nc6 15. Ncb5 Nxd4 16. Nxd4 Bc6 17. Re1 Qc7 18. c4 Nd7 19. Qd2 Nc5 20. Bc3 b6 21. Qc2 e5 22. Nxc6 Qxc6 23. Rbd1 Rfd8 24. Rd5 Nb7 25. Red1 Qc7 26. h4 h5 27. Qb2 Re8 28. f4 Rcd8 29. f5 Kh7 30. Qe2 Nc5 31. Rb1 Qe7 32. Bd2 Bh6 33. Be1 Qd7 34. Bh3 Qe7 35. Qf3 Bg7 36. Bd2 Bf6 37. Qe3 Bg7 38. Rf1 Nd7 39. Qd3 Nc5 40. Qf3 Nd7 41. Bg5 Bf6 42. fxg6+ Kxg6 43. Bxd7 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.11"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Gurvich, Vitaly"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2175"]
[BlackElo "2315"]
[PlyCount "64"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 Be7 8. Bg2 0-0 9. 0-0 Be6 10. Nh4 g6 11. h3 Nbd7 12. Bg5 b5 13. a3 Rc8 14. Qc1 Re8 15. Bh6 Bf8 16. Rd1 Qb6 17. Be3 Qb8 18. f4 Rxc3 19. bxc3 exf4 20. Bxf4 Nh5 21. Rd3 Nc5 22. g4 Nxf4 23. Qxf4 Nxd3 24. cxd3 Qc7 25. Rc1 Qc5+ 26. d4 Qxa3 27. d5 Qc5+ 28. Kh1 Bc8 29. Rf1 Qc7 30. Nf3 Bg7 31. Ng5 Rf8 32. h4 Qe7 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.10"]
[Round "8"]
[White "Bivol, Alina"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2350"]
[BlackElo "2175"]
[PlyCount "19"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 Nc6 3. d4 d5 4. Bg2 g6 5. Ne5 Be6 6. c4 Nxe5 7. dxe5 Ne4 8. cxd5 Bxd5 9. Qd3 Nc3 10. e4 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.09"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Sichinava, Zviad"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2175"]
[BlackElo "2329"]
[PlyCount "49"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Nc2 Rc8 11. f3 Be6 12. Qd2 a6 13. b3 Nd7 14. Rac1 Qa5 15. b4 Qd8 16. Nd5 f5 17. b5 Nce5 18. Nd4 Nc5 19. Nxe6 Nxe6 20. Nb6 Rc7 21. Qd5 Rf6 22. f4 Nd7 23. e5 dxe5 24. fxe5 Nxb6 25. Qxd8+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.08"]
[Round "6"]
[White "Chekletsov, Ilya"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2299"]
[BlackElo "2175"]
[PlyCount "82"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Qf3 Nc6 8. Be3 0-0 9. 0-0-0 Bg5 10. h4 Bxe3+ 11. fxe3 Be6 12. b3 a5 13. c5 Nd7 14. Qf4 d5 15. g4 b6 16. cxb6 Nxb6 17. Bb5 Na7 18. Bd3 Qe7 19. Nge2 a4 20. Kd2 axb3 21. axb3 c5 22. dxc5 Qxc5 23. Rc1 Rac8 24. Ba6 Rcd8 25. Bd3 Nc4+ 26. Ke1 Nxe3 27. Rg1 d4 28. Ne4 Qa5+ 29. Nd2 Qd5 30. Kf2 Qd6 31. Qxd6 Rxd6 32. Rc7 Nc8 33. Nc4 Nxc4 34. bxc4 Rfd8 35. c5 R6d7 36. Rxd7 Rxd7 37. g5 Ne7 38. Rb1 Rc7 39. Rb8+ Bc8 40. Nxd4 Rxc5 41. Bb5 Kf8 1/2-1/2

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.07"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Nikulina, Alena"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2175"]
[BlackElo "2010"]
[PlyCount "73"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 Rb8 13. g3 0-0 14. b3 g6 15. h4 h5 16. Qd3 Bg7 17. Be2 f5 18. f3 a5 19. g4 f4 20. gxh5 gxh5 21. 0-0-0 Kh7 22. Rdg1 Bh6 23. Bf1 Ne7 24. Bh3 Bxh3 25. Rxh3 Qd7 26. Rh2 Nxd5 27. Qxd5 a4 28. Rhg2 axb3 29. axb3 Qe7 30. Rg6 Rf6 31. Rxf6 Qxf6 32. Qc6 Qe7 33. c5 Rg8 34. Rxg8 Kxg8 35. cxd6 Qxh4 36. Qe8+ Kh7 37. Qe7+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.06"]
[Round "4"]
[White "Musaev, Rasul"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2351"]
[BlackElo "2175"]
[PlyCount "79"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Re1 Be7 10. e5 Nd7 11. Qg4 g6 12. Na4 Qc7 13. b3 c5 14. c4 d4 15. Bh6 Nxe5 16. Qg3 Bd6 17. Be4 Nc6 18. Qh4 Rg8 19. Bg5 h5 20. b4 Ra7 21. bxc5 Be7 22. Rab1 f5 23. Bxe7 Nxe7 24. Bc2 Nc6 25. Nb6 Kf7 26. Ba4 Qe7 27. Qf4 Qxc5 28. Bxc6 Qxc6 29. Qxd4 Re7 30. c5 Bb7 31. f3 e5 32. Rxe5 Rxe5 33. Qxe5 Re8 34. Nc4 Kg8 35. Qd6 Re2 36. Qb8+ Re8 37. Qd6 Re2 38. Qxc6 Bxc6 39. Rb6 Bb5 40. c6 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.05"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Mukhtarova, Viktoriya"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2175"]
[BlackElo "1782"]
[PlyCount "127"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Bg7 7. Nde2 0-0 8. Bg2 d6 9. 0-0 Rb8 10. a4 a6 11. b3 b5 12. axb5 axb5 13. Rb1 Be6 14. Bb2 Qc8 15. Nd5 Bxd5 16. exd5 Nb4 17. c3 Na6 18. Nd4 Qc5 19. Nc6 Rb7 20. c4 bxc4 21. Bd4 Qb5 22. bxc4 Qxb1 23. Qxb1 Rxb1 24. Nxe7+ Kh8 25. Rxb1 Re8 26. Nc6 Ne4 27. Be3 Nac5 28. Bxe4 Nxe4 29. Rb7 Kg8 30. Rd7 Bf8 31. Kg2 h6 32. h4 Nf6 33. Ra7 h5 34. Bd4 Ng4 35. Ra5 Re2 36. Ra8 f6 37. c5 Kg7 38. Nd8 dxc5 39. Ne6+ Rxe6 40. dxe6 cxd4 41. Ra7+ Kg8 42. e7 Bxe7 43. Rxe7 Ne5 44. Re6 Kf7 45. Rd6 d3 46. f4 Ng4 47. Rxd3 f5 48. Kf3 Ke6 49. Ra3 Nf6 50. Ke3 Ne4 51. Kd4 Kf6 52. Rb3 Ke6 53. Re3 Kd6 54. Rxe4 fxe4 55. Kxe4 Ke6 56. Kf3 Kf5 57. g4+ Kf6 58. gxh5 gxh5 59. Ke4 Ke6 60. f5+ Kf6 61. Kf4 Kf7 62. Kg5 Kg7 63. Kxh5 Kf6 64. Kg4 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.04"]
[Round "2"]
[White "Akkozov, Berik"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2356"]
[BlackElo "2175"]
[PlyCount "57"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. d5 0-0 6. e4 d6 7. Bf4 Nh5 8. Bg5 h6 9. Be3 a6 10. Qd2 Kh7 11. Be2 Bg4 12. Ng5+ hxg5 13. Bxg4 Nf4 14. Kf1 e5 15. h4 Bh6 16. g3 Kg7 17. Qc2 f5 18. exf5 gxf5 19. Bxf5 Qf6 20. gxf4 gxf4 21. Rg1+ Kh8 22. Rg6 Qxh4 23. Kg2 Rf6 24. Rg4 f3+ 25. Kxf3 Qh5 26. Bxh6 Rxf5+ 27. Kg3 Nc6 28. Qxf5 Qxf5 29. Rh1 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.03"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Borunova, Tatiana"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2175"]
[BlackElo "1599"]
[PlyCount "87"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[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. h4 Qc7 10. Nh2 h5 11. f4 d4 12. e5 Nd5 13. Ne4 b6 14. a3 Nce7 15. g4 hxg4 16. Qxg4 Bb7 17. h5 f5 18. exf6 Nxf6 19. Qxe6+ Kh8 20. h6 Nxe4 21. hxg7+ Kxg7 22. Bxe4 Bxe4 23. Rxe4 Nf5 24. Qe5+ Qxe5 25. Rxe5 Rae8 26. Rxe8 Rxe8 27. Kf2 b5 28. a4 b4 29. Bd2 a5 30. Re1 Rxe1 31. Kxe1 Nd6 32. Nf3 Kf6 33. Ne5 Kf5 34. Nc4 Nb7 35. Kf2 Ke6 36. Kg3 Kf5 37. Kf3 Ke6 38. Ke4 Nd6+ 39. Nxd6 Kxd6 40. f5 gxf5+ 41. Kxf5 Kd5 42. b3 Kd6 43. Bf4+ Kd5 44. Kf6 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.26"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Kiseleva, Arina"]
[Result "1-0"]
[ECO "B69"]
[WhiteElo "2142"]
[BlackElo "1922"]
[PlyCount "41"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. f4 Be7 9. 0-0-0 Bd7 10. Nf3 b5 11. Bxf6 gxf6 12. Kb1 Rc8 13. g3 Na5 14. f5 Nc4 15. Bxc4 Rxc4 16. fxe6 fxe6 17. Qh6 Bf8 18. Qh5+ Ke7 19. e5 dxe5 20. Nxe5 Rc5 21. Qf7# 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.25"]
[Round "8"]
[White "Kozlitin, Oleg"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2348"]
[BlackElo "2142"]
[PlyCount "49"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nb3 b5 7. Bd3 Nf6 8. f4 d6 9. Qe2 Qc7 10. 0-0 Be7 11. a3 Bb7 12. Bd2 0-0 13. Rae1 e5 14. Nd5 Qd8 15. Nxe7+ Nxe7 16. fxe5 dxe5 17. Bg5 Nd7 18. c4 h6 19. Bd2 Qb6+ 20. Be3 Qg6 21. cxb5 Bxe4 22. Bxe4 Qxe4 23. Nc5 Nxc5 24. Bxc5 Qxe2 25. Rxe2 1-0

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.24"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Usmanov, Vasily"]
[Result "1/2-1/2"]
[ECO "B61"]
[WhiteElo "2142"]
[BlackElo "2427"]
[PlyCount "53"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4 Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. 0-0-0 Bc6 13. Nb5 Bxb5 14. exf6 Bc6 15. h4 g6 16. Bc4 Bc5 17. Qe5 Bb6 18. Qe2 0-0 19. Bh6 Bxg2 20. Bxf8 Bxh1 21. Bxe6 Rxf8 22. Bxf7+ Rxf7 23. Qe8+ Rf8 24. Qe7 Rf7 25. Qe8+ Rf8 26. Qe7 Rf7 27. Qe8+ 1/2-1/2

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.23"]
[Round "6"]
[White "Gantsevich, Aleksei"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "1955"]
[BlackElo "2142"]
[PlyCount "86"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. Qxd5 Nc6 7. Nf3 d6 8. e4 Be6 9. Qd1 Be7 10. Be2 0-0 11. 0-0 Bf6 12. Rb1 Re8 13. Bf4 Be5 14. Bg5 Qc7 15. Nh4 h6 16. Be3 Qe7 17. Nf3 f5 18. Nxe5 Nxe5 19. exf5 Bxf5 20. Rc1 Rad8 21. Re1 Kh8 22. Qd2 Qf7 23. b3 Qg6 24. Bf4 Be4 25. Bg3 Nc6 26. Qd1 Qf7 27. Bh5 g6 28. Rxe4 Rxe4 29. Bf3 Rd4 30. Qc2 Nb4 31. Qc3 Kh7 32. Re1 Re8 33. Rxe8 Qxe8 34. h3 h5 35. a3 Nd3 36. Kh2 b6 37. b4 Qe1 38. Qxe1 Nxe1 39. Bd5 cxb4 40. axb4 b5 41. f4 Nd3 42. f5 gxf5 43. Bf7 h4 0-1

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.22"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Ivanov, Artem"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2142"]
[BlackElo "1913"]
[PlyCount "92"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. Nge2 Nc6 6. 0-0 a6 7. d3 d6 8. h3 h6 9. Kh2 Nh7 10. g4 Qh4 11. Ng3 Nf6 12. f3 h5 13. Nf5 Bxf5 14. exf5 Nd4 15. Bd2 hxg4 16. fxg4 c6 17. Ne4 Nxe4 18. dxe4 Nb5 19. Be1 Qh6 20. a4 Nc7 21. Bd2 Qh4 22. b4 Bf2 23. Qe2 Bg3+ 24. Kg1 g5 25. Qd3 Ne8 26. Bxg5 Qxg5 27. Qxg3 Nf6 28. Kh2 Kg7 29. Rad1 Rad8 30. Rd3 Rfe8 31. c4 d5 32. cxd5 cxd5 33. exd5 e4 34. Rd4 Rxd5 35. Rxd5 Nxd5 36. f6+ Nxf6 37. Rf5 Qd2 38. g5 Nh5 39. Qc7 Qa2 40. g6 Kxg6 41. Qc5 Qe2 42. Rg5+ Kh6 43. Qf5 Re6 44. Rg8 Rg6 45. Rxg6+ fxg6 46. Qxe4 Qd2 1/2-1/2

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.21"]
[Round "4"]
[White "Tskhadadze, Anna"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1860"]
[BlackElo "2142"]
[PlyCount "86"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. d3 Nf6 5. Nc3 g6 6. e3 Bg7 7. Nge2 0-0 8. 0-0 d6 9. e4 h6 10. h3 Be6 11. Nd5 Qd7 12. Kh2 Nd8 13. Be3 c6 14. Nxf6+ Rxf6 15. Rc1 Rf8 16. f4 Kh7 17. Qd2 Nf7 18. b3 c5 19. fxe5 Nxe5 20. Nf4 Bf7 21. exf5 gxf5 22. d4 cxd4 23. Bxd4 Rac8 24. Rce1 Rfe8 25. Nd5 Bg6 26. Be3 b6 27. Re2 b5 28. cxb5 Qxb5 29. Nf4 Bf7 30. Ree1 Ng6 31. Ne2 Qd7 32. Nd4 Re5 33. Qd3 Be6 34. Rc1 Rf8 35. Nc6 Rxe3 36. Qxe3 f4 37. gxf4 Re8 38. Be4 Bd5 39. Bxg6+ Kxg6 40. Qd3+ Be4 41. Qg3+ Kh7 42. Nb4 Bb2 43. Rce1 Rg8 1/2-1/2

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.20"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Ponfilenok, Vladimir"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2142"]
[BlackElo "2389"]
[PlyCount "144"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c6 6. Nge2 Ne7 7. a3 Bd6 8. Bf4 Bf5 9. Qd2 0-0 10. 0-0 Bxd3 11. Qxd3 Ng6 12. Bxd6 Qxd6 13. Qg3 Qxg3 14. hxg3 Nd7 15. Nc1 f5 16. Nd3 f4 17. gxf4 Nxf4 18. Nxf4 Rxf4 19. Rad1 Re8 20. g3 Rf6 21. Rfe1 Rfe6 22. Kf1 Nf6 23. Rxe6 Rxe6 24. Re1 Kf7 25. b4 g5 26. f3 h5 27. a4 Rxe1+ 28. Kxe1 Ke6 29. Kf2 Ne8 30. Ne2 Nd6 31. g4 h4 32. Kg2 Kf6 33. a5 Nc4 34. c3 Ne3+ 35. Kf2 Nd1+ 36. Kg2 Nb2 37. Kf2 Nd3+ 38. Kg2 b6 39. axb6 axb6 40. Kg1 Ke6 41. Kg2 Kd6 42. Kg1 c5 43. bxc5+ bxc5 44. Kg2 cxd4 45. cxd4 Ke6 46. Kg1 Kf6 47. Kg2 Ke6 48. Kh1 Kf6 49. Kg1 Nb4 50. Kg2 Nc6 51. Kh3 Ne7 52. Nc3 Ke6 53. f4 Kf6 54. f5 Kf7 55. Kh2 Ke8 56. Kh3 Kd7 57. f6 Nc6 58. f7 Ke7 59. Nxd5+ Kxf7 60. Ne3 Nxd4 61. Ng2 Nf3 62. Ne3 Ke6 63. Nf5 Ke5 64. Nh6 Kf4 65. Nf7 Ne5 66. Nh6 Kf3 67. Nf5 Ng6 68. Nd4+ Ke4 69. Nf5 Nf4+ 70. Kh2 Kf3 71. Nh6 Nd3 72. Kg1 Ne5 0-1

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.19"]
[Round "2"]
[White "Kiselev, Viktor"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1876"]
[BlackElo "2142"]
[PlyCount "54"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nxe4 dxe4 5. d4 exd3 6. Bxd3 c5 7. Nf3 Nc6 8. c3 Bg4 9. Bf4 e6 10. 0-0 Be7 11. Qe2 Qc7 12. Rfe1 Rd8 13. Rad1 a6 14. Qe4 Bf5 15. Qe3 Bxd3 16. Rxd3 Rxd3 17. Qxd3 h6 18. Qe4 0-0 19. g4 Qd8 20. Kg2 Qd5 21. Qb1 Rd8 22. b3 b5 23. Re2 Qd3 24. Qb2 g5 25. Be3 Qe4 26. Kg3 f5 27. Bxg5 Qxg4# 0-1

[Event "Chigorin Memorial 22nd"]
[Site "St Petersburg"]
[Date "2014.10.18"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Volkov, Sergey"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2142"]
[BlackElo "2599"]
[PlyCount "112"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 Bxc3+ 7. bxc3 gxf6 8. Qd2 Nc6 9. Nf3 Rg8 10. Rg1 b6 11. c4 Qe4+ 12. Be2 Ba6 13. 0-0-0 Na5 14. Bd3 Qc6 15. d5 Qa4 16. dxe6 fxe6 17. Bxh7 Qa3+ 18. Kb1 Bxc4 19. c3 Bd5 20. Qc2 Rg7 21. Bg6+ Kf8 22. Rxd5 exd5 23. Nd4 Re7 24. Nf5 Nc4 25. Nxe7 Qxe7 26. Qd3 Rd8 27. h4 Qa3 28. Qc2 d4 29. Rd1 Rd5 30. Qb3 Qc5 31. Ka1 c6 32. h5 dxc3 33. Rxd5 cxd5 34. Qxc3 Qxf2 35. g4 Qf1+ 36. Bb1 Qf4 37. Qb4+ Kg8 38. Qc3 Kg7 39. Bf5 Qf1+ 40. Bb1 Qf4 41. Bf5 b5 42. a3 a5 43. Qb3 Qc1+ 44. Ka2 Qd2+ 45. Qc2 Qe3 46. Qb3 Qf2+ 47. Qc2 Qc5 48. Qb3 b4 49. axb4 axb4 50. Bc2 Ne3 51. Bd3 Nxg4 52. Be2 Ne3 53. Qd3 f5 54. Qa6 Qc2+ 55. Ka1 Qc3+ 56. Kb1 Qb3+ 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.13"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Aharon, Ofir"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2146"]
[BlackElo "2310"]
[PlyCount "55"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 a5 11. 0-0 a4 12. Rac1 Be6 13. f4 Qa5 14. h3 Rfc8 15. b3 axb3 16. axb3 Qb4 17. f5 gxf5 18. exf5 Bd7 19. g4 Bc6 20. g5 Nd7 21. f6 exf6 22. gxf6 Bxf6 23. Rxf6 Nxf6 24. Bd4 Ra5 25. Qh6 Re8 26. Kh2 Ng4+ 27. Bxg4 Rae5 28. Rg1 1-0

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.12"]
[Round "8"]
[White "Usmanov, Vasily"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2366"]
[BlackElo "2146"]
[PlyCount "101"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. d4 dxc4 7. Qa4 Bd7 8. Qxc4 b5 9. Qd3 Rc8 10. Bg5 c4 11. Qd2 Bb4 12. Nc3 h6 13. Bxf6 Qxf6 14. Rfd1 0-0 15. d5 Ne5 16. Nd4 Nd3 17. exd3 Qxd4 18. Nxb5 Qc5 19. Nc3 exd5 20. d4 Qa5 21. a3 Bxc3 22. Qxc3 Qxc3 23. bxc3 Bc6 24. Re1 Rb8 25. Re7 Rb3 26. Rxa7 Rxc3 27. Rc7 Ba8 28. Rd7 Rd3 29. Bxd5 Bxd5 30. Rxd5 Ra8 31. Rc5 Rxd4 32. a4 Rad8 33. Kg2 Kf8 34. a5 Ra8 35. Ra4 Ke7 36. Rc7+ Ke6 37. a6 Rd6 38. Raxc4 Rdxa6 39. Re4+ Kd5 40. Ree7 Rf6 41. Rcd7+ Kc6 42. Rxf7 Rxf7 43. Rxf7 Rg8 44. Re7 Kd6 45. Re2 g5 46. Kh3 h5 47. Re4 Rf8 48. f4 Rf5 49. fxg5 Rxg5 50. Kh4 Rc5 51. Re8 1-0

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.11"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Rozanov, Pavel B"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2146"]
[BlackElo "2309"]
[PlyCount "59"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Be2 Nbd7 6. h3 b5 7. a3 Bb7 8. f4 Nb6 9. Nf3 Bg7 10. 0-0 a5 11. e5 Nfd5 12. Nxd5 Nxd5 13. Bd2 Qb6 14. Kh1 c5 15. c3 0-0 16. Qe1 cxd4 17. cxd4 b4 18. Qh4 Rac8 19. Bd3 bxa3 20. bxa3 Ba6 21. Rfb1 Qa7 22. Be4 Nc3 23. Bxc3 Rxc3 24. f5 dxe5 25. fxg6 hxg6 26. Ng5 Rfc8 27. Bxg6 Bc4 28. Bxf7+ Bxf7 29. Qh7+ Kf8 30. Rf1 1-0

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.10"]
[Round "6"]
[White "Egorov, Daniil"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1929"]
[BlackElo "2146"]
[PlyCount "84"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be2 Nbc6 7. Bf4 Nxd4 8. Qxd4 Nc6 9. Qe3 d6 10. Qg3 b5 11. 0-0-0 e5 12. Be3 Be6 13. f4 Qa5 14. Kb1 f6 15. Bg4 Bc4 16. Qh3 Kf7 17. Bd7 Nd8 18. f5 Ke7 19. Be6 Nxe6 20. fxe6 Bxe6 21. Nd5+ Kf7 22. Qh5+ g6 23. Qf3 Bxd5 24. Rxd5 Be7 25. Rf1 Qd8 26. g4 Rf8 27. Bh6 Re8 28. g5 Rc8 29. Qh3 Qc7 30. Rf2 Qc4 31. gxf6 Bxf6 32. Bg5 Qxe4 33. Rxf6+ Kg8 34. Qd3 Qh1+ 35. Bc1 e4 36. Qb3 Rc4 37. Qg3 Rxc2 38. Kxc2 Rc8+ 39. Kb3 Qxc1 40. Rxg6+ Kh8 41. Rd4 Qc2+ 42. Kb4 Qa4# 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.09"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Cheremnova, Tamara"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2146"]
[BlackElo "2289"]
[PlyCount "140"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be3 Rc8 8. Be2 c5 9. c3 cxd4 10. Bxd4 Ne7 11. 0-0 Nc6 12. Rc1 Be7 13. Re1 0-0 14. h3 Nxd4 15. Nbxd4 Bg6 16. Bd3 Bxd3 17. Qxd3 Nc5 18. Qe2 b5 19. Nd2 Qb6 20. Kh2 b4 21. c4 Na4 22. N2b3 dxc4 23. Rxc4 Rxc4 24. Qxc4 Nxb2 25. Qe2 Na4 26. f4 Rc8 27. Qg4 Rc4 28. f5 exf5 29. Qxf5 Rxd4 30. Rf1 f6 31. Nxd4 Qxd4 32. Qe6+ Kf8 33. Qc8+ Qd8 34. Qc2 Nc3 35. Qxh7 Qd5 36. Qh8+ Qg8 37. Qh4 Qd5 38. Qh8+ Qg8 39. Qh4 Nxa2 40. exf6 gxf6 41. Rxf6+ Bxf6 42. Qxf6+ Qf7 43. Qd8+ Kg7 44. Qg5+ Kh7 45. Qh4+ Kg6 46. Qg4+ Kf6 47. Qf4+ Ke6 48. Qc4+ Ke7 49. Qc7+ Kf8 50. Qd8+ Qe8 51. Qf6+ Kg8 52. Qg5+ Kh7 53. Qh4+ Kg6 54. Qg4+ Kf6 55. Qf4+ Ke6 56. Qe4+ Kd7 57. Qd5+ Kc7 58. Qxa2 Qe5+ 59. Kh1 a5 60. Qf2 Kc6 61. Qa7 Kb5 62. Qd7+ Kc4 63. Qa4 Kd3 64. Qd1+ Kc4 65. Qa4 Qd5 66. Kh2 Kc3 67. Qa1+ Kc2 68. Kg3 b3 69. h4 b2 70. Qa4+ Kc3 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.08"]
[Round "4"]
[White "Khatenever, Feliks"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1837"]
[BlackElo "2146"]
[PlyCount "70"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 e6 2. e4 c5 3. Nf3 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be2 Nbc6 7. Nf3 b5 8. a3 Ng6 9. 0-0 Be7 10. h3 0-0 11. Nh2 Bb7 12. f4 d6 13. b3 Qc7 14. Bb2 Na5 15. b4 Nc4 16. Bxc4 Qxc4 17. Qd3 Rac8 18. Qxc4 Rxc4 19. f5 Ne5 20. fxe6 fxe6 21. Rxf8+ Kxf8 22. Rf1+ Bf6 23. Rf2 Ke7 24. Nd1 Rxe4 25. Nf1 Re1 26. Rd2 Bg5 27. Rd4 Re2 28. Nde3 Bxe3+ 29. Nxe3 Rxe3 30. Rh4 h6 31. Kf2 Re4 32. Rh5 Kf6 33. g4 Kg6 34. Bc1 Rxg4 35. Rxe5 Rg2+ 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.07"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Akkozov, Berik"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2146"]
[BlackElo "2384"]
[PlyCount "52"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 Nf6 5. f4 d5 6. e5 Nd7 7. Nf3 Be7 8. 0-0 0-0 9. c3 b5 10. d4 Rb8 11. Be3 Ba6 12. Qc2 b4 13. Re1 Qc8 14. f5 cxd4 15. Bxd4 bxc3 16. bxc3 Nxd4 17. Nxd4 Nc5 18. Re3 Bg5 19. Rf3 Ne4 20. h4 Be7 21. Nd2 exf5 22. Nxf5 Bc5+ 23. Kh2 g6 24. Nh6+ Kg7 25. Bh3 Qb7 26. Ng4 Qb2 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.06"]
[Round "2"]
[White "Kunin, Pavel"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1880"]
[BlackElo "2146"]
[PlyCount "88"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be3 Nbc6 7. Nb3 Na5 8. Na4 Nec6 9. Nb6 Rb8 10. Nxa5 Bb4+ 11. c3 Bxa5 12. Nc4 d5 13. exd5 exd5 14. Nxa5 Qxa5 15. Be2 Be6 16. Bd4 0-0 17. 0-0 b5 18. b4 Qc7 19. f4 Bf5 20. Bf3 Be4 21. Bc5 Rfe8 22. Bxe4 dxe4 23. g3 Rbd8 24. Qc2 Qc8 25. f5 Rd5 26. f6 Qg4 27. Rf4 Qg6 28. Re1 gxf6 29. Rexe4 Ne5 30. Rg4 Qxg4 31. Rxg4+ Nxg4 32. h3 Re1+ 33. Kg2 Red1 34. Kf3 R1d2 35. Qe4 Ne5+ 36. Kf4 R2d3 37. Be3 f5 38. Qg2 Ng6+ 39. Kf3 Re5 40. Qe2 Rxc3 41. Qd2 Rcxe3+ 42. Qxe3 Rxe3+ 43. Kxe3 h5 44. h4 f4+ 0-1

[Event "Chigorin Memorial 21st"]
[Site "St Petersburg"]
[Date "2013.10.05"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Kokarev, Dmitry"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2146"]
[BlackElo "2611"]
[PlyCount "80"]
[EventDate "2013.10.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 Be7 8. Bg2 b5 9. 0-0 Nbd7 10. Re1 0-0 11. a3 Bb7 12. Nh4 g6 13. Bh6 Re8 14. h3 Rc8 15. Qd2 Nh5 16. Bf3 Ng7 17. Ng2 Nf5 18. Be3 Nf6 19. g4 Nxe3 20. Nxe3 Nd7 21. Ncd5 Bg5 22. Qb4 Nf6 23. Rad1 Nxd5 24. Nxd5 Rxc2 25. Ne3 Rc5 26. Rd3 Qc7 27. Red1 Bxe3 28. Rxe3 Rd8 29. Red3 Rc6 30. Bg2 Bc8 31. f4 exf4 32. e5 Rc4 33. Rxd6 Rxb4 34. Rxd8+ Kg7 35. axb4 Be6 36. R8d6 Qc2 37. g5 Qf5 38. h4 f3 39. Bf1 Qg4+ 40. Kf2 Qxh4+ 0-1

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.11.04"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Sichinava, Zviad"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2091"]
[BlackElo "2339"]
[PlyCount "129"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 f5 7. f3 exf3 8. Qxf3 Nf6 9. Bf4 0-0 10. 0-0-0 Nc6 11. Bc4 Ne7 12. Bg5 c6 13. h3 Ned5 14. g4 Kh8 15. gxf5 Nxc3 16. Qxc3 exf5 17. Rhg1 Qd6 18. Qe3 Nd5 19. Bxd5 Qxd5 20. Be7 Rg8 21. Bf6 Be6 22. Qh6 Qd7 23. Rxg7 Rxg7 24. Rg1 Rag8 25. Rg5 Qf7 26. Rh5 Qxh5 27. Qxh5 Rf8 28. Qh6 Rxf6 29. Qxf6 Bd5 30. h4 Kg8 31. h5 Rf7 32. Qd8+ Kg7 33. Qg5+ Kf8 34. h6 Ke8 35. Qg8+ Ke7 36. Qb8 Ke6 37. b3 b5 38. Qf4 Kf6 39. Kd2 Kg6 40. Kd3 Be4+ 41. Kd2 Bd5 42. a4 a6 43. a5 Rf6 44. Kc3 Re6 45. Kb4 Re4 46. Qf2 Rg4 47. c4 bxc4 48. bxc4 Be4 49. Kc5 f4 50. Kb6 f3 51. Qe3 Kh5 52. Kxa6 Rg2 53. Kb7 Rb2+ 54. Kc7 f2 55. Qh3+ Kg5 56. a6 Ra2 57. Kb7 Rb2+ 58. Kc7 Ra2 59. Kb6 Ra1 60. a7 Rb1+ 61. Ka5 Ra1+ 62. Kb6 Bf5 63. Qg2+ Kf6 64. Qg3 Ke7 65. Qe5+ 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.11.03"]
[Round "8"]
[White "Oparin, Grigoriy"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2484"]
[BlackElo "2091"]
[PlyCount "121"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be2 Nbc6 7. Be3 b5 8. 0-0 Nxd4 9. Qxd4 Nc6 10. Qd2 Be7 11. Rad1 0-0 12. Bf4 Qa5 13. a3 Rd8 14. Qe3 d6 15. Qg3 Qc7 16. Bh6 Bf6 17. Bg5 Bxg5 18. Qxg5 Bb7 19. Rd3 f6 20. Qh4 Qe7 21. Rh3 g6 22. f4 f5 23. Qf2 Qf6 24. Re1 Rd7 25. Re3 Rf8 26. exf5 Qxf5 27. h3 Nd4 28. Bg4 Qxf4 29. Qxf4 Rxf4 30. Bxe6+ Nxe6 31. Rxe6 d5 32. Re7 Rf7 33. Rxf7 Kxf7 34. Ne2 Re7 35. Rf1+ Ke6 36. Nd4+ Kd6 37. b4 Re4 38. c3 Re3 39. Rf6+ Kc7 40. Rf7+ Kb8 41. Rf3 Re1+ 42. Kf2 Ra1 43. Ke3 Rxa3 44. Kf4 Ra1 45. Ke5 Re1+ 46. Kd6 Re8 47. g4 h6 48. Kd7 Re5 49. Nb3 h5 50. Nc5 hxg4 51. hxg4 d4 52. Rf8+ Ka7 53. cxd4 Re2 54. Rf7 Rd2 55. Ke6 Rxd4 56. Rxb7+ Ka8 57. Rb6 Rxg4 58. Kd7 Rf4 59. Rxa6+ Kb8 60. Rf6 Rxb4 61. Na6+ 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.11.02"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Nikologorskiy, Konstantin"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2091"]
[BlackElo "2400"]
[PlyCount "43"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 e6 8. f4 Qb6 9. Bb3 Be7 10. Qd2 h6 11. Bxf6 Nxf6 12. 0-0-0 Qc7 13. Kb1 Bd7 14. Rhe1 0-0 15. e5 Ne8 16. f5 Bg5 17. Qd3 d5 18. fxe6 fxe6 19. Nf3 Bc6 20. Nxg5 hxg5 21. Qg6 Qe7 22. Nxd5 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.11.01"]
[Round "6"]
[White "Barhudarian, Rafael"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2305"]
[BlackElo "2091"]
[PlyCount "130"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nc3 Nf6 2. d4 d5 3. Qd3 Nbd7 4. Bg5 e6 5. e4 dxe4 6. Nxe4 Be7 7. Nxf6+ Nxf6 8. Nf3 0-0 9. h4 b6 10. Bf4 Bd6 11. Be5 h6 12. g4 Bb7 13. Rg1 Bxe5 14. Nxe5 Nd7 15. Nxd7 Qxd7 16. 0-0-0 Qd6 17. Qe3 Rad8 18. g5 h5 19. Be2 g6 20. Bxh5 gxh5 21. g6 fxg6 22. Rxg6+ Kf7 23. Rdg1 Rd7 24. Rxe6 Qxe6 25. Rg7+ Kxg7 26. Qxe6 Rff7 27. Qe5+ Kf8 28. Qxh5 Ke8 29. f4 Rde7 30. b3 Kd8 31. Qg5 Be4 32. Kb2 Kc8 33. d5 Bf5 34. Qg2 Rg7 35. Qf1 Kb7 36. h5 Be4 37. f5 Ref7 38. Qc4 Bxf5 39. h6 Rh7 40. Qc6+ Kb8 41. a4 Bd7 42. Qg6 Bf5 43. Qc6 Rd7 44. a5 Rd6 45. Qe8+ Bc8 46. c4 Rhxh6 47. Qe5 Rhf6 48. Ka3 Rf5 49. Qe8 Rf3 50. Qe4 Rh3 51. c5 bxc5 52. Qc4 Ba6 53. Qxc5 Rd3 54. Qb4+ Bb7 55. Qb5 R6xd5 56. Qe8+ Rd8 57. Qb5 a6 58. Qb4 Rf3 59. Qg4 Rdd3 60. Qg8+ Bc8 61. Ka4 Kb7 62. Qg6 Bd7+ 63. Kb4 Rxb3+ 64. Kc4 Bc6 65. Qh6 Ra3 0-1

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.31"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Fedoseeva, Valentina"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2091"]
[BlackElo "1930"]
[PlyCount "47"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. Rae1 Be6 13. h3 Qc7 14. Re2 Rab8 15. Nd1 h6 16. Bf4 Bd6 17. Bxh6 Nd7 18. Qh5 gxh6 19. Rxe6 Rfe8 20. Bh7+ Kh8 21. Rxh6 Bf4 22. Bg6+ Kg7 23. Rh7+ Kf6 24. Rxf7+ 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.30"]
[Round "4"]
[White "Dmitriev, Igor"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2340"]
[BlackElo "2091"]
[PlyCount "65"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d4 d5 4. Nc3 Bg7 5. Bg5 c6 6. Qd2 h6 7. Bxf6 Bxf6 8. f4 Nd7 9. Nf3 e6 10. 0-0 Bg7 11. Nd1 f5 12. Nf2 0-0 13. Nd3 Kh7 14. Rac1 b5 15. b3 Qb6 16. Qe3 Nf6 17. c3 Re8 18. h3 Re7 19. Kh2 a5 20. Nfe5 Nd7 21. g4 Nxe5 22. fxe5 Bd7 23. gxf5 gxf5 24. Bf3 Be8 25. Rg1 a4 26. b4 Qd8 27. Nf4 Qc8 28. Bh5 Bf8 29. Bg6+ Bxg6 30. Rxg6 Qe8 31. Rcg1 Raa7 32. Nh5 Qxg6 33. Nf6+ 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.29"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Hyotyla, Tapio"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2091"]
[BlackElo "1795"]
[PlyCount "49"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 c6 4. Be3 Bg7 5. Qd2 Qa5 6. f3 Nd7 7. Nge2 b5 8. a3 Qc7 9. g4 h5 10. gxh5 Rxh5 11. f4 Bb7 12. Ng3 Rh8 13. Be2 a6 14. 0-0-0 d5 15. e5 Nb6 16. f5 Nh6 17. fxg6 fxg6 18. Qd3 0-0-0 19. Qxg6 Rdg8 20. Kb1 Kb8 21. Qd3 Nc4 22. Bc1 Bc8 23. Rdf1 Bd7 24. b3 Nb6 25. e6 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.28"]
[Round "2"]
[White "Halkias, Stelios"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2581"]
[BlackElo "2091"]
[PlyCount "73"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c5 7. d4 a6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Be3 Nbd7 11. Rad1 Re8 12. Na4 Ne4 13. Nd2 Nd6 14. b3 Bd4 15. Bxd4 cxd4 16. Nf3 e5 17. e3 b5 18. Nxe5 Nxe5 19. exd4 bxa4 20. Bxa8 Ng4 21. Rfe1 Rd8 22. Bc6 axb3 23. axb3 Kg7 24. d5 Bf5 25. c5 Nb5 26. d6 Nc3 27. Rd2 Nf6 28. f3 Be6 29. Ra1 Rb8 30. Rxa6 Rxb3 31. d7 Nxd7 32. Bxd7 Bd5 33. Rb6 Ra3 34. c6 Bxf3 35. c7 Ne4 36. Rf2 Nxf2 37. Kxf2 1-0

[Event "Chigorin Memorial 20th"]
[Site "St Petersburg"]
[Date "2012.10.27"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Stukopin, Andrey"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2091"]
[BlackElo "2494"]
[PlyCount "90"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bc4 0-0 8. 0-0 d6 9. Bg5 Bxc3 10. bxc3 h6 11. Bxf6 Qxf6 12. Qd3 Rd8 13. Rab1 Rb8 14. Bd5 Ne7 15. c4 b6 16. Nd2 Ng6 17. Kh1 Nf4 18. Qe3 Ne6 19. a4 Qe7 20. a5 Qc7 21. axb6 axb6 22. Rb2 Nc5 23. Rfb1 Bd7 24. Qa3 Bc6 25. Rb4 Ra8 26. Qb2 Nd7 27. Nf1 Ra6 28. Ne3 Rda8 29. h3 Ra2 30. Qc3 R8a6 31. Nf5 Bxd5 32. Ne7+ Kf8 33. Nxd5 Qc5 34. f3 Qf2 35. R4b2 g6 36. Rxa2 Rxa2 37. Nb4 Ra4 38. Nd5 Qc5 39. Rb4 Ra7 40. Kh2 Qf2 41. Qe3 Qxe3 42. Nxe3 Ke8 43. c3 Ra3 44. Nd5 Kd8 45. g4 Kc8 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.30"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Belov, Nikita"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2119"]
[BlackElo "2013"]
[PlyCount "118"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Nf5 8. Bd3 h5 9. Qd1 cxd4 10. Bxf5 exf5 11. cxd4 Qh4 12. Nf3 Qe4+ 13. Kf1 Bd7 14. Ng5 Bb5+ 15. Kg1 Qe2 16. Qxe2 Bxe2 17. e6 f6 18. Nf7 Rg8 19. Nd6+ Ke7 20. Nxf5+ Kxe6 21. Ng3 Bd1 22. Bd2 Bxc2 23. Nxh5 Nc6 24. Be3 Rac8 25. h4 a5 26. g4 b5 27. Kg2 b4 28. Rhe1 Kf7 29. axb4 axb4 30. Nf4 Rge8 31. Bd2 b3 32. Bc3 Rxe1 33. Rxe1 Ne5 34. Nxd5 Nd3 35. Re7+ Kf8 36. Re3 b2 37. Bxb2 Nxb2 38. Nf4 Nc4 39. Re1 Ba4 40. g5 Bd7 41. h5 Re8 42. Rc1 Nd6 43. Rc7 Rd8 44. h6 gxh6 45. gxh6 Kg8 46. h7+ Kxh7 47. Ne6 Nb5 48. Rb7 Nd6 49. Rxd7+ Rxd7 50. Nf8+ Kg7 51. Nxd7 Kf7 52. Nc5 Nb5 53. d5 Ke7 54. Nd3 Kd6 55. Nf4 Nc7 56. Kf3 Nxd5 57. Nxd5 Kxd5 58. Kf4 Kd4 59. Kf5 Kd3 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.29"]
[Round "8"]
[White "Kiseleva, Arina"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1928"]
[BlackElo "2119"]
[PlyCount "70"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Nc6 4. Nc3 Bb4 5. g3 0-0 6. Bg2 d6 7. 0-0 Re8 8. Qc2 Bxc3 9. Qxc3 e5 10. d5 Ne7 11. Nd2 a5 12. e4 Nd7 13. b3 f5 14. Bb2 Nf6 15. a3 Rf8 16. b4 b6 17. f3 h5 18. c5 h4 19. cxd6 cxd6 20. f4 hxg3 21. hxg3 Ng4 22. fxe5 Nxe5 23. Nc4 N7g6 24. Nxe5 Nxe5 25. Qc2 Ng4 26. exf5 Qg5 27. Bc1 Qh5 28. Be4 axb4 29. Bf4 b3 30. Qb2 Bxf5 31. Bxf5 Rxf5 32. Bxd6 Rxd5 33. Bf4 Rd3 34. Rfc1 Rad8 35. Rc7 Rd1+ 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.28"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Orlov, Vassily"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2119"]
[BlackElo "2441"]
[PlyCount "98"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 d5 9. exd5 cxd5 10. Bg5 c6 11. Qf3 Be7 12. Rae1 Re8 13. h3 h6 14. Bf4 Be6 15. Re2 Bd6 16. Rfe1 Rb8 17. Nd1 Rb4 18. Bc1 Bc7 19. c3 Re4 20. g4 Rxe2 21. Rxe2 Qd6 22. Qg2 d4 23. c4 Nd7 24. f4 Nc5 25. Nf2 Nxd3 26. Nxd3 Rd8 27. b3 f5 28. g5 Bf7 29. Qg3 a5 30. Bd2 Re8 31. Rxe8+ Bxe8 32. Qe1 Bh5 33. h4 Kh7 34. Kf2 Qa3 35. gxh6 Qxa2 36. hxg7 Qc2 37. Ne5 Bd8 38. Kg3 Qe4 39. Qxe4 fxe4 40. Nxc6 Bb6 41. Nxd4 Bxd4 42. Bxa5 e3 43. Be1 Kxg7 44. f5 Be5+ 45. Kg2 Kf6 46. b4 Kxf5 47. c5 Ke4 48. Bg3 Bxg3 49. Kxg3 Kd3 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.27"]
[Round "6"]
[White "Ivanov, Artem"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1825"]
[BlackElo "2119"]
[PlyCount "60"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be3 Nbc6 7. Nb3 Na5 8. Qd2 Nec6 9. 0-0-0 b5 10. f4 d6 11. Qf2 Rb8 12. e5 d5 13. Ne4 Nxb3+ 14. cxb3 Qa5 15. Nc3 Bb4 16. Kb1 0-0 17. Rc1 Bd7 18. Bd3 Be7 19. Ne2 Nb4 20. Rc3 Qxa2+ 21. Kc1 Nxd3+ 22. Rxd3 Qa1+ 23. Kc2 Rbc8+ 24. Nc3 Qxh1 25. Bc1 Bc5 26. Qe2 Qg1 27. Rf3 b4 28. Rf1 Qd4 29. Nd1 Qe4+ 30. Kd2 Qxe2+ 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.26"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Martynov, Pavel1"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "2119"]
[BlackElo "2278"]
[PlyCount "38"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Nc6 7. Qg4 f6 8. exf6 Nxf6 9. Bxf6 Bxf6 10. Bb5 0-0 11. Bxc6 bxc6 12. Qd1 e5 13. dxe5 Bxe5 14. Nge2 Qf6 15. f3 Ba6 16. Qd2 Rae8 17. Kf2 Bd6 18. Kg1 Bc5+ 19. Kh2 Qxh4# 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.25"]
[Round "4"]
[White "Markevich, Ilya"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2209"]
[BlackElo "2119"]
[PlyCount "86"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 Nc6 5. Bg2 Nge7 6. 0-0 d6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 Nc6 10. Qd1 Be7 11. Be3 b5 12. f4 Qc7 13. f5 Ne5 14. fxe6 Bxe6 15. Nd5 Bxd5 16. exd5 0-0 17. Bd4 Rac8 18. c3 Qd7 19. Qh5 g6 20. Qe2 Rfe8 21. Qd2 Bf8 22. b3 f5 23. a4 Ng4 24. Qd3 Bg7 25. h3 Ne3 26. Rf2 Bxd4 27. Qxd4 Nxg2 28. Kxg2 Re4 29. Qd3 bxa4 30. Qxa6 axb3 31. Qb6 Qc7 32. Qxb3 Qxc3 33. Qxc3 Rxc3 34. Ra7 Ree3 35. g4 Rg3+ 36. Kf1 Rc1+ 37. Ke2 Rc2+ 38. Kf1 Rxf2+ 39. Kxf2 Rd3 40. gxf5 gxf5 41. Rd7 Rxd5 42. Ke3 h6 43. Kf4 Kh8 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.24"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Solovyov, Viktor"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2119"]
[BlackElo "2281"]
[PlyCount "112"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Be2 Nc6 9. Nxc6 dxc6 10. Bxc5 Qxc5 11. Qd3 Nf6 12. f4 e5 13. f5 a5 14. g4 a4 15. a3 b4 16. axb4 Qxb4 17. g5 Nd7 18. Rd1 a3 19. b3 0-0 20. Qe3 Nc5 21. 0-0 Ba6 22. Bxa6 Rxa6 23. Rfe1 a2 24. Ra1 Rfa8 25. Red1 g6 26. f6 Ne6 27. Na4 c5 28. Rxa2 c4 29. Raa1 cxb3 30. cxb3 Nd4 31. Rab1 h6 32. h4 Rc6 33. Rf1 Kh7 34. Kh1 Rc2 35. h5 Rg8 36. gxh6 Re2 37. Qh3 Qd2 38. Rb2 Qxh6 39. Rxe2 Nxe2 40. hxg6+ Rxg6 41. Qxh6+ Rxh6+ 42. Kg2 Nf4+ 43. Kf2 Rh2+ 44. Kf3 Kg6 45. Nc5 Kxf6 46. Ra1 Kg5 47. Rg1+ Kf6 48. Ra1 Kg5 49. Rg1+ Kh5 50. Nd7 Rh3+ 51. Rg3 Rxg3+ 52. Kxg3 Nd3 53. Kf3 Kg5 54. Ke3 Nb4 55. Nxe5 f5 56. Nf3+ Kf6 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.23"]
[Round "2"]
[White "Rumiantsev, Alex"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1873"]
[BlackElo "2119"]
[PlyCount "70"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Nc6 7. Be3 Be7 8. Nf3 Bg4 9. h3 Bxf3 10. Qxf3 0-0 11. 0-0-0 f5 12. c5 Nd7 13. cxd6 Bxd6 14. Kb1 a6 15. Bf4 Nf6 16. Bd3 Kh8 17. Bc2 Bxf4 18. Qxf4 Ne7 19. Rhe1 c6 20. Re6 Qd7 21. Qe5 Rae8 22. Qd6 Qxd6 23. Rxd6 Nc8 24. Rxf6 Rxf6 25. d5 Rd8 26. Re1 g6 27. dxc6 Rxc6 28. Ba4 Rc7 29. Bb3 Re7 30. Rxe7 Nxe7 31. Kc1 Kg7 32. Na4 Kf6 33. Nb6 g5 34. Nc4 Nd5 35. g3 Nb4 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2012.03.22"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Aleksandrov, Grigoriy"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2119"]
[BlackElo "1751"]
[PlyCount "133"]
[EventDate "2012.03.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. g3 a6 7. Bg2 e5 8. Nf3 Be6 9. 0-0 Be7 10. Nh4 Ng4 11. Nf5 Bxf5 12. exf5 Nf6 13. g4 h6 14. h3 Qd7 15. Na4 Rd8 16. c4 Nd4 17. Be3 0-0 18. Bxd4 exd4 19. Nb6 Qc7 20. Qxd4 d5 21. Nxd5 Nxd5 22. cxd5 Bc5 23. Qd2 a5 24. a3 Qg3 25. Kh1 Qh4 26. Rac1 Bb6 27. f4 Rfe8 28. Rc3 Rd6 29. Kh2 Qe7 30. Rc2 f6 31. b4 a4 32. Rc4 Qe2 33. Qxe2 Rxe2 34. Re4 Ra2 35. Re6 Bc7 36. Rxd6 Bxd6 37. Rf3 Rd2 38. Kg3 Rxd5 39. Rc3 Rd4 40. Bxb7 Bxf4+ 41. Kf3 Be5 42. Re3 Bf4 43. Re8+ Kf7 44. Ra8 Bc1 45. Rxa4 Rd3+ 46. Ke4 Rxh3 47. Bd5+ Kf8 48. Ra8+ Ke7 49. a4 Rg3 50. Ra7+ Kf8 51. Rf7+ Kg8 52. Rxf6+ Kh7 53. Rg6 Ra3 54. a5 Bd2 55. Rb6 Ra4 56. f6 gxf6 57. Kf5 Rxb4 58. Rxb4 Bxb4 59. a6 Bc5 60. Kxf6 Be3 61. Kf7 Bd4 62. Be4+ Kh8 63. Kg6 Be3 64. Bd5 h5 65. g5 h4 66. Kf6 Bd4+ 67. Kf7 1-0

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.22"]
[Round "9"]
[White "Frolochkin, Vladimir"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2331"]
[BlackElo "2124"]
[PlyCount "96"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. g3 Nbc6 7. Nb3 Ng6 8. Bg2 b5 9. f4 Bb7 10. e5 Qc7 11. Ne4 Nb4 12. c3 Nd5 13. Qe2 d6 14. exd6 Bxd6 15. f5 Ne5 16. fxe6 0-0 17. 0-0 fxe6 18. Bd2 Nc4 19. Qg4 Qb6+ 20. Kh1 Be5 21. Qh5 g6 22. Qg5 Rf5 23. Rxf5 exf5 24. Nec5 Bc6 25. Nd7 Qf2 26. Nxe5 Nxe5 27. Nd4 Bb7 28. Be1 Qxb2 29. Qc1 Qxc1 30. Rxc1 Nd3 31. Rb1 Re8 32. Bd2 Ba8 33. a4 Nf2+ 34. Kg1 Ne4 35. Bxe4 fxe4 36. axb5 e3 37. Be1 axb5 38. Nxb5 Rf8 39. Nd4 Nf6 40. Ne6 Rc8 41. c4 Be4 42. Rb3 Re8 43. Rb6 Nd7 44. Nc7 Rf8 45. Re6 Nc5 46. Re5 e2 47. Bf2 Nd3 48. Rxe4 Rxf2 0-1

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.21"]
[Round "8"]
[White "Pyatin, Alexander"]
[Black "Egorov, Dmitry Petrovich"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2124"]
[BlackElo "2353"]
[PlyCount "60"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Nf3 Bxc5 6. a3 Ne7 7. b4 Bb6 8. Bd3 Ng6 9. g3 a5 10. Bxg6 fxg6 11. b5 0-0 12. 0-0 a4 13. Nbd2 Bc5 14. Qe2 b6 15. c3 Ra7 16. Nd4 g5 17. Qg4 h6 18. N2f3 Qe8 19. h4 Nd7 20. Kg2 Bxd4 21. cxd4 Nf6 22. exf6 e5 23. f7+ Raxf7 24. Qh5 g4 25. dxe5 gxf3+ 26. Kh2 Qe6 27. g4 g6 28. Qxh6 Qxg4 29. Qg5 Qh3+ 30. Kg1 Bg4 0-1

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.20"]
[Round "7"]
[White "Pasiev, Rakhim"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2306"]
[BlackElo "2124"]
[PlyCount "104"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 b6 8. Bd3 Bb7 9. Qe2 Nd7 10. 0-0-0 Qe7 11. Kb1 0-0-0 12. Ba6 Rhe8 13. Bxb7+ Kxb7 14. Rd3 h6 15. Rhd1 g5 16. h3 Bg7 17. Ra3 Nb8 18. Rdd3 c6 19. Ra4 Ka8 20. Rda3 Rd7 21. Ned2 Rb7 22. Qe3 Qc7 23. g3 Bf8 24. Rd3 b5 25. Raa3 Bxa3 26. Rxa3 Nd7 27. Rc3 Rbb8 28. Ne1 Nb6 29. Qf3 Rbc8 30. Nd3 Nd5 31. Rc5 f6 32. c4 bxc4 33. Nxc4 e5 34. dxe5 fxe5 35. Qe4 Nf6 36. Qe3 e4 37. Nb4 Qd8 38. Na5 Nd5 39. Nxd5 cxd5 40. Qb3 Rb8 41. Qa4 Qb6 42. Qd4 Red8 43. a3 Rd6 44. b4 Rbd8 45. Kb2 a6 46. Kb3 Kb8 47. Qc3 d4 48. Qc4 d3 49. Qc1 d2 50. Qd1 Rd3+ 51. Kc2 Rc8 52. Nb3 Qe6 0-1

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.19"]
[Round "6"]
[White "Pyatin, Alexander"]
[Black "Chigaeva, Anastasia"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2124"]
[BlackElo "1963"]
[PlyCount "81"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 Be7 8. Bg2 b5 9. Nh4 Bb7 10. Nf5 0-0 11. Bg5 b4 12. Bxf6 Bxf6 13. Nd5 Nc6 14. Nxf6+ Qxf6 15. Qxd6 Qxd6 16. Nxd6 Nd4 17. Nxb7 Nxc2+ 18. Ke2 Nxa1 19. Rxa1 Rac8 20. Rd1 Rc7 21. Na5 Rc2+ 22. Rd2 Rfc8 23. b3 f6 24. Nc4 Rc1 25. Bh3 Rc7 26. Be6+ Kf8 27. Ne3 a5 28. Rd5 R1c5 29. Nf5 Rxd5 30. exd5 g6 31. Ne3 Ke7 32. Nc4 Ra7 33. Kd3 a4 34. Kc2 a3 35. Kd3 Ra8 36. Ke4 Re8 37. Kd3 Ra8 38. Nb6 Rb8 39. Nc8+ Kd8 40. Kc4 Rb7 41. d6 1-0

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.18"]
[Round "5"]
[White "Startsev, Andrei"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1867"]
[BlackElo "2124"]
[PlyCount "68"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Ne7 6. Be3 Nbc6 7. Be2 Nxd4 8. Bxd4 Nc6 9. Be3 b5 10. 0-0 Be7 11. f4 d6 12. f5 0-0 13. Qd2 Bb7 14. Bd3 Ne5 15. h3 Bf6 16. Rae1 Rc8 17. Nd1 Nc4 18. Qc1 d5 19. exd5 Qxd5 20. Re2 Ne5 21. Nc3 Qd7 22. fxe6 fxe6 23. Rd2 Nxd3 24. Rxd3 Qc6 25. Qd2 b4 26. Nd1 Qxc2 27. Rd7 Bd5 28. Rd6 Qxd2 29. Bxd2 Rc2 30. Rxd5 exd5 31. Bxb4 Bd4+ 32. Nf2 Rfxf2 33. Re1 Rxg2+ 34. Kf1 Rg1# 0-1

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.17"]
[Round "4"]
[White "Pyatin, Alexander"]
[Black "Trofimchuk, Vladimir"]
[Result "1/2-1/2"]
[ECO "C40"]
[WhiteElo "2124"]
[BlackElo "1857"]
[PlyCount "147"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Ne5 Nf6 5. Bb5+ Bd7 6. Qe2 a6 7. Bxd7+ Nbxd7 8. Nxd7 Qxd7 9. Nc3 0-0-0 10. 0-0 Qf5 11. Re1 Bc5 12. h3 h5 13. Nd1 Qxd5 14. Ne3 Bxe3 15. dxe3 g5 16. b4 Nd7 17. Bb2 Rh6 18. c4 Qe6 19. Red1 f5 20. Bc3 h4 21. Rd4 g4 22. hxg4 fxg4 23. Qc2 Re8 24. Rad1 Nf6 25. Qd2 Rhh8 26. b5 g3 27. bxa6 Qxa6 28. Rd5 gxf2+ 29. Kxf2 Nxd5 30. Bxh8 Rxh8 31. cxd5 Qd6 32. Rh1 Rh5 33. Qe2 Qg3+ 34. Kg1 h3 35. Qf2 h2+ 36. Kf1 Qd6 37. Qf4 Qa6+ 38. Kf2 Qxa2+ 39. Kg3 Rh8 40. Qf5+ Kb8 41. Rxh2 Rg8+ 42. Kh3 Qe2 43. Qxe4 Rh8+ 44. Kg3 Qe1+ 45. Kf3 Rxh2 46. Qe8+ Ka7 47. Qa4+ Kb6 48. Qd4+ Kb5 49. Qd3+ Kb4 50. Qd4+ Kb3 51. Qd3+ Kb2 52. Qb5+ Kc2 53. Qa4+ Kb2 54. Qb5+ Ka3 55. Qd3+ Kb4 56. Qd4+ Ka5 57. Qc5+ b5 58. Qxc7+ Ka4 59. Qxh2 Qd1+ 60. Ke4 b4 61. Qh6 b3 62. Qa6+ Kb4 63. Qb6+ Kc3 64. Qa5+ Kc2 65. Qc5+ Kd2 66. d6 b2 67. Qd4+ Kc1 68. Qc3+ Kb1 69. Ke5 Qg4 70. Qd3+ Ka2 71. d7 Qg5+ 72. Ke6 Qg8+ 73. Ke7 Qg5+ 74. Ke6 1/2-1/2

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.16"]
[Round "3"]
[White "Zakharov, Yuri Vasilievich"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1869"]
[BlackElo "2124"]
[PlyCount "137"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. d3 Nc6 5. Nbd2 e6 6. 0-0 Be7 7. e4 0-0 8. e5 Nd7 9. Re1 Qc7 10. Qe2 b5 11. c3 Rb8 12. Nf1 c4 13. d4 b4 14. Bg5 bxc3 15. bxc3 Ba3 16. Reb1 Ba6 17. Qc2 Qa5 18. Bc1 Nb6 19. Ne3 Rb7 20. Nd1 Rfb8 21. Ng5 g6 22. Bxa3 Qxa3 23. Bh3 Nd8 24. Rb4 Nc6 25. Rb2 Nd8 26. Rab1 Na4 27. Rxb7 Rxb7 28. Rxb7 Bxb7 29. Nf3 Bc6 30. Bf1 Nb6 31. Qb2 Qxb2 32. Nxb2 Ba4 33. Be2 Nc6 34. Nd2 Bc2 35. Kf1 Nxd4 36. cxd4 c3 37. Bd3 Bxd3+ 38. Nxd3 cxd2 39. Ke2 Nc4 40. Nc5 Kf8 41. Nb3 Ke7 42. Nxd2 Nb2 43. Nb3 Kd7 44. Kd2 Kc6 45. Kc2 Na4 46. Nd2 Kb5 47. Kb3 Nb6 48. Nb1 Nc4 49. a4+ Ka5 50. h4 h5 51. Nc3 Nd2+ 52. Kc2 Nf3 53. Kd3 Kb4 54. Nb5 a6 55. Nd6 Kxa4 56. Kc3 a5 57. Nxf7 Ng1 58. Ng5 Ne2+ 59. Kd3 Kb4 60. Nxe6 a4 61. Nc7 a3 62. Nxd5+ Kb3 63. e6 a2 64. e7 a1Q 65. e8Q Qd1+ 66. Ke3 Nxd4 67. Qb8+ Kc4 68. Nb6+ Kc5 69. Qe5+ 1-0

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.15"]
[Round "2"]
[White "Pyatin, Alexander"]
[Black "Gudkina, Zhanna"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2124"]
[BlackElo "1781"]
[PlyCount "96"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 d5 8. Bg2 Bxd4 9. cxd4 dxe4 10. Nc3 Bf5 11. Nxe4 Bxe4 12. Bxe4 0-0-0 13. 0-0 Nxd4 14. Qa4 Nec6 15. Kh1 a6 16. Rac1 Rhe8 17. Bg2 h5 18. Rc4 Re6 19. Rfc1 Kb8 20. Rc5 Rdd6 21. Rxh5 g6 22. Rhc5 Ne2 23. Rb1 Qd8 24. b4 Nxb4 25. Qxb4 Rd1+ 26. Bf1 Rb6 27. Rb5 Rxb1 28. Qxb1 Rxb5 29. Qc2 Qd5+ 30. Bg2 Rb2 31. Qxc7+ Kxc7 32. Bxd5 f6 33. Bf7 g5 34. h4 gxh4 35. gxh4 Rb4 36. h5 Rh4+ 37. Kg2 Kd7 38. h6 Ke7 39. Bd5 b5 40. Bc5+ Ke8 41. Bb7 Rxh6 42. Bxa6 Nc3 43. a4 bxa4 44. Bd4 f5 45. Bf1 Rg6+ 46. Kf3 Rc6 47. Ke3 a3 48. Bg2 Rc8 0-1

[Event "Chigorin Memorial 19th"]
[Site "St Petersburg"]
[Date "2011.10.14"]
[Round "1"]
[White "Levin, Evgeny A"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2481"]
[BlackElo "2124"]
[PlyCount "75"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Qe7 8. e4 Bg7 9. Be2 0-0 10. 0-0 Na6 11. Re1 Nc7 12. a4 Rb8 13. Qc2 b6 14. Nc4 Nfe8 15. Bf4 a6 16. Bf1 f6 17. Bg3 b5 18. Na5 Bd7 19. Nc6 Bxc6 20. dxc6 Rb6 21. axb5 axb5 22. Nd5 Nxd5 23. exd5 Qd8 24. Re6 f5 25. Rae1 Bh6 26. Qe2 Rb8 27. Re7 Bg5 28. Qe6+ Kh8 29. Rd7 Qa5 30. Bxd6 Nxd6 31. Rxd6 c4 32. Qe5+ Kg8 33. c7 Rbc8 34. Rd7 Bf6 35. Qe6+ Kh8 36. d6 Qd2 37. Re2 Qd4 38. Rf7 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.31"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Vunder, Yakov"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2109"]
[BlackElo "2212"]
[PlyCount "107"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nh6 7. Nc3 0-0 8. Be2 f5 9. exf5 Bxd4 10. Bxd4 Nxf5 11. Be3 Nxe3 12. fxe3 d6 13. Qd5+ Kg7 14. h4 Qb6 15. Qd2 Be6 16. h5 Ne5 17. hxg6 hxg6 18. b3 Rh8 19. 0-0-0 Rxh1 20. Rxh1 Rh8 21. Rxh8 Kxh8 22. Qd4 Qa5 23. Kb2 Kg7 24. Bf3 b6 25. Bd5 Bg4 26. a3 Qc5 27. Nb5 a6 28. Nc3 Bf5 29. Na4 Qxd4+ 30. exd4 Nd3+ 31. Kc3 b5 32. cxb5 axb5 33. Nb6 Nf4 34. Kb4 Bd3 35. Bc6 Bf1 36. g3 Nd3+ 37. Kxb5 Nc1+ 38. Kb4 Na2+ 39. Ka5 Nc1 40. Bd5 Ne2 41. Nc8 Kf6 42. b4 Nxd4 43. a4 e6 44. Bb7 Ke5 45. Kb6 Nc2 46. b5 Na3 47. Bc6 d5 48. Kc5 Nc4 49. b6 Na5 50. b7 Nxb7+ 51. Bxb7 d4 52. Nd6 d3 53. Nc4+ Kf6 54. Nd2 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.30"]
[Round "8"]
[White "Gantsevich, Aleksei"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2066"]
[BlackElo "2109"]
[PlyCount "116"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 b5 9. Nf1 Rb8 10. e5 Nd7 11. h4 b4 12. Bf4 Ba6 13. Ne3 Nb6 14. Ng5 h6 15. Nf3 c4 16. d4 Na4 17. Qc1 Qb6 18. c3 bxc3 19. bxc3 Qb2 20. Nd1 Qxc1 21. Bxc1 Rb6 22. Nd2 Rfb8 23. Kh2 Bc8 24. Bf3 a5 25. Bg2 Na7 26. Re3 Nb5 27. a3 Bd7 28. f4 Nc7 29. Kh3 Be8 30. g4 f5 31. g5 hxg5 32. hxg5 Bg6 33. Ra2 Kf7 34. Bf3 Nb5 35. Kg3 Rh8 36. Ra1 Rc8 37. Nb1 Rcb8 38. Nd2 Bd8 39. Be2 Rc6 40. Ra2 Bb6 41. Nf3 Bh5 42. g6+ Bxg6 43. Ng5+ Ke7 44. Bf3 Rh8 45. Rh2 Rxh2 46. Kxh2 Kd7 47. Kg3 Bd8 48. Kh4 Be7 49. Bh5 Bxh5 50. Kxh5 Nxa3 51. Re2 Rb6 52. Ra2 Rb3 53. Bd2 Rb1 54. Ne3 Rb2 55. Rxb2 Nxb2 56. Kg6 Nd3 57. Ng2 Nb1 58. Be3 a4 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.29"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Lender, Vladimir"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2109"]
[PlyCount "99"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Nde2 Nf6 8. Bg2 Nc6 9. 0-0 Be7 10. h3 b5 11. a3 Bb7 12. g4 h6 13. Kh1 Nh7 14. Ng3 Nf6 15. f4 d6 16. a4 b4 17. Nce2 a5 18. c3 Qb6 19. cxb4 Nxb4 20. Qb3 d5 21. Be3 Bc5 22. Bxc5 Qxc5 23. Rac1 Qb6 24. f5 0-0 25. e5 Nd7 26. f6 g6 27. g5 hxg5 28. Qc3 Kh7 29. Qd2 Rh8 30. Qxg5 Kg8 31. Nf4 Nf8 32. Kh2 d4 33. Be4 Bxe4 34. Nxe4 Rd8 35. Nf2 Nd5 36. Ng4 Rh7 37. Nxd5 Rxd5 38. Rc8 Rd8 39. Rxd8 Qxd8 40. Nh6+ Kh8 41. Rd1 Qb6 42. Qd2 d3 43. Ng4 Qd4 44. Kg3 Qxa4 45. Qxd3 Rh5 46. Qd6 Kg8 47. Rd4 Qb3+ 48. Rd3 Qxb2 49. Qxf8+ Kxf8 50. Rd8# 1-0

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.28"]
[Round "6"]
[White "Latonin, Mikhail"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "1947"]
[BlackElo "2109"]
[PlyCount "63"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 Na6 11. Nc4 Nc7 12. Bf4 Bf8 13. a4 Nh5 14. Bd2 f5 15. e4 fxe4 16. Nxe4 Bf5 17. Bg5 Qd7 18. Re1 Bxe4 19. Bxe4 Be7 20. Qd2 b5 21. Bxe7 Rxe7 22. axb5 Rae8 23. Bf3 Nxb5 24. Bxh5 Rxe1+ 25. Rxe1 Rxe1+ 26. Qxe1 gxh5 27. Qe3 Qf7 28. Qg5+ Kf8 29. Qd8+ Qe8 30. Qf6+ Qf7 31. Qd8+ Qe8 32. Qf6+ 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.27"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Katyshkina, Anastasia"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2109"]
[BlackElo "1907"]
[PlyCount "48"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[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 Ndb4 10. Bb5 e6 11. a3 Nd5 12. Be3 Be7 13. Rg1 g6 14. Qa4 0-0 15. Rc1 Nb6 16. Qd1 Rc8 17. Ne2 Nd5 18. Qd2 Bf6 19. Kf1 Bg7 20. Kg2 Nce7 21. Kh1 Rxc1 22. Rxc1 Nf5 23. Ng3 Nh4 24. Be2 f5 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.26"]
[Round "4"]
[White "Kaneyama, Men Cher"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1926"]
[BlackElo "2109"]
[PlyCount "52"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 Nc6 6. 0-0 Nb6 7. exd6 exd6 8. c3 Be7 9. Nbd2 0-0 10. Re1 Re8 11. Nf1 d5 12. Bf4 Bd6 13. Bg3 h6 14. Ne3 Be6 15. Bd3 Nc8 16. Nh4 Bxg3 17. hxg3 Nd6 18. f4 g6 19. Ng4 Bxg4 20. Qxg4 Qf6 21. Nf3 h5 22. Qh4 Kg7 23. Ne5 Nf5 24. Qxf6+ Kxf6 25. Bxf5 gxf5 26. Kf2 Re6 1/2-1/2

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.25"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Shchukin, Dmitry"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2109"]
[BlackElo "2341"]
[PlyCount "96"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Ne7 6. Qh5 Nbc6 7. a3 g6 8. Qf3 Bxc3+ 9. bxc3 Bf5 10. Rb1 b6 11. Ne2 Qd7 12. 0-0 Bxd3 13. Qxd3 Qf5 14. Bf4 Qxd3 15. cxd3 0-0-0 16. Rfe1 f6 17. Ng3 h5 18. h4 Kd7 19. Re2 Rh7 20. Rbe1 Nc8 21. f3 Re7 22. Kf2 Rde8 23. Nf1 Rxe2+ 24. Rxe2 Rh8 25. Ne3 N8e7 26. Nf1 Nf5 27. Ne3 Nxe3 28. Rxe3 Ne7 29. Re1 Nf5 30. g3 Rh7 31. Re2 Re7 32. Rxe7+ Nxe7 33. g4 Nc6 34. Ke2 Nd8 35. Bd2 Ne6 36. Be3 f5 37. g5 f4 38. Bc1 Kc6 39. Kd1 Kb5 40. Kc2 Ka4 41. Kb2 c6 42. Kc2 b5 43. Kb2 Ng7 44. Bd2 Nf5 45. Be1 a6 46. Bf2 a5 47. Ka2 Ne3 48. Be1 Nf1 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.24"]
[Round "2"]
[White "Schekachikhin, Maksim"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1922"]
[BlackElo "2109"]
[PlyCount "70"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. g3 e5 4. Bg2 g6 5. Nc3 Bg7 6. 0-0 0-0 7. d3 d6 8. Rb1 a5 9. a3 Nh5 10. Nd5 Ne7 11. b4 c6 12. Nxe7+ Qxe7 13. Qa4 e4 14. Ng5 exd3 15. exd3 Qe2 16. Qd1 Qxd1 17. Rxd1 axb4 18. axb4 h6 19. Ne4 Rd8 20. Bb2 f5 21. Nc3 Bd7 22. b5 Nf6 23. Ne2 Ng4 24. Bxg7 Kxg7 25. Nd4 Ra2 26. bxc6 bxc6 27. Bxc6 Nxf2 28. Rf1 Nh3+ 29. Kh1 Bxc6+ 30. Nxc6 Re8 31. Nb4 Rd2 32. Rfe1 Ng5 33. Red1 Ree2 34. Rxd2 Rxd2 35. Ra1 Rb2 0-1

[Event "St Petersburg Spring op"]
[Site "St Petersburg"]
[Date "2011.03.23"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Bakhtin, Alexander"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2109"]
[BlackElo "1769"]
[PlyCount "65"]
[EventDate "2011.03.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 0-0 8. Bg2 Ne5 9. Qe2 a6 10. f4 N5g6 11. h4 Nc6 12. h5 Nh8 13. e5 Qe7 14. Nf5 Qe6 15. Bxc5 d6 16. Nd4 Nxd4 17. Bxd4 Re8 18. 0-0 f6 19. f5 Qe7 20. e6 c5 21. Be3 Rb8 22. c4 b5 23. Nc3 bxc4 24. Nd5 Qa7 25. Qxc4 a5 26. Qg4 Kf8 27. Nxf6 Re7 28. Nxh7+ Ke8 29. Nf6+ Kd8 30. Nd5 Rxb2 31. Nxe7 Bb7 32. Nc6+ Bxc6 33. Bxc6 1-0

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.11.05"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Opanasenko, Mikhail"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2099"]
[PlyCount "24"]
[EventDate "2010.10.28"]
[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. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Bb5 Nge7 8. Nxe4 Qd5 9. Qg4 Qxd4 10. Be3 Qxb2 11. Rd1 Bd7 12. a4 f5 0-1

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.11.04"]
[Round "8"]
[White "Turikov, Viktor"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2308"]
[BlackElo "2099"]
[PlyCount "35"]
[EventDate "2010.10.28"]
[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. Nf3 c5 3. e3 cxd4 4. exd4 d5 5. Bd3 Nc6 6. c3 Bg4 7. Nbd2 e6 8. Qa4 Nd7 9. Ne5 Ndxe5 10. dxe5 Qg5 11. Nf3 Qh5 12. Nd4 Rc8 13. Be3 Be7 14. Nxc6 bxc6 15. h3 Bf5 16. g4 Bxg4 17. Qxg4 Qxe5 18. Qd4 1-0

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.11.03"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Frolochkin, Vladimir"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2099"]
[BlackElo "2331"]
[PlyCount "50"]
[EventDate "2010.10.28"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Qf3 Be7 12. Rae1 h6 13. Bh4 Rb8 14. Nd1 Re8 15. h3 Rb4 16. Bg3 Bf8 17. Be5 Ne4 18. Bf4 f5 19. c3 Rb7 20. Qh5 Kh7 21. Ba6 Rbe7 22. Bxc8 Qxc8 23. f3 g6 24. Qh4 g5 25. Qh5 Nf6 0-1

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.11.02"]
[Round "6"]
[White "Kosov, Ivan"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2388"]
[BlackElo "2099"]
[PlyCount "99"]
[EventDate "2010.10.28"]
[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. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. h3 0-0 9. Nf3 b5 10. Nxb5 Nxe4 11. Bxe4 Re8 12. Ng5 Qa5+ 13. Nc3 Ba6 14. Bd2 Nd7 15. Qc2 Rab8 16. Kd1 Ne5 17. Qa4 Qb6 18. Re1 Nc4 19. Rb1 Nxb2+ 20. Rxb2 Qxb2 21. Qc2 Qb4 22. Re3 c4 23. h4 Qb2 24. h5 Bd4 25. hxg6 Qxc2+ 26. Bxc2 hxg6 27. Rxe8+ Rxe8 28. f3 Bb7 29. Nge4 Re5 30. f4 Rh5 31. Nxd6 Bxd5 32. Nxd5 Rxd5 33. Nxc4 Bc3 34. Kc1 Bxd2+ 35. Nxd2 Ra5 36. Bb1 Ra4 37. g3 Ra3 38. Nb3 Ra4 39. Kd2 g5 40. Ke3 gxf4+ 41. gxf4 Kf8 42. Nc5 Rc4 43. Ne4 Ke7 44. Bd3 Rb4 45. Bc2 Rb6 46. Bb3 Kf8 47. Kd4 Kg7 48. f5 f6 49. Be6 Ra6 50. Kc5 1-0

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.11.01"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Utkin, Aleksey"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2099"]
[BlackElo "2328"]
[PlyCount "67"]
[EventDate "2010.10.28"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Bd3 Nd7 7. a3 Nxe5 8. dxe5 g6 9. 0-0 Bg7 10. Qe2 Qc7 11. f4 h5 12. h3 Be6 13. c4 Nb6 14. Nc3 0-0-0 15. Rd1 Rxd3 16. Qxd3 Bxc4 17. Qc2 g5 18. Qf5+ Be6 19. Qxg5 Bh6 20. Qxh5 Nc4 21. Qe2 Qb6+ 22. Qf2 Qb3 23. f5 Bd7 24. e6 Be8 25. Qxa7 Kc7 26. Rd8 Nd6 27. Qb8+ Kb6 28. Bxh6 Rxh6 29. Rxe8 Nxe8 30. Qxe8 fxe6 31. Qxe7 Ka7 32. f6 Rg6 33. Qc5+ Ka6 34. Qf2 1-0

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.10.31"]
[Round "4"]
[White "Khakimov, Timur"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2288"]
[BlackElo "2099"]
[PlyCount "52"]
[EventDate "2010.10.28"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 Nd7 6. Bc4 Nxe5 7. dxe5 c6 8. 0-0 Bf5 9. Nd2 e6 10. Nf3 Nb4 11. Qxd8+ Rxd8 12. Bg5 Nxc2 13. Bxd8 Nxa1 14. Bc7 Nc2 15. Rd1 Be7 16. a3 b5 17. Bd3 Bxd3 18. Rxd3 c5 19. Kf1 g5 20. Rc3 g4 21. Nd2 Nd4 22. Bd6 Bxd6 23. exd6 Kd7 24. Rxc5 f5 25. Rc7+ Kxd6 26. Rxa7 Rc8 0-1

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.10.30"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Duzhakov, Ilya"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2099"]
[BlackElo "2336"]
[PlyCount "112"]
[EventDate "2010.10.28"]
[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. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Ne7 6. Nge2 Nbc6 7. 0-0 0-0 8. Bg5 f6 9. Bf4 Be6 10. Qd2 Qd7 11. Rfe1 Rae8 12. Rad1 Kh8 13. Be3 Nf5 14. Bxf5 Bxf5 15. a3 Ba5 16. b4 Bb6 17. Nf4 Ne7 18. Nce2 c6 19. Ng3 g5 20. Nd3 Bg6 21. Nc5 Qc8 22. f3 Bc7 23. Bf2 Bf7 24. c3 b6 25. Nd3 Qb8 26. Nf1 Nf5 27. Rxe8 Rxe8 28. Re1 Nd6 29. Nb2 Nf5 30. Nd3 Bg6 31. Rxe8+ Qxe8 32. Ne3 Qb8 33. Nf1 Qe8 34. Ne3 Qb8 35. Nf1 Nd6 36. Nb2 h5 37. h4 Nf7 38. hxg5 fxg5 39. Qe2 Bf4 40. Nd3 Bd6 41. g3 Kh7 42. Ne1 Qc8 43. Ne3 Qh3 44. Qf1 Qe6 45. N1g2 Bb8 46. Qe2 Nd6 47. Qd2 Qf6 48. Ne1 Qe6 49. N1g2 Qh3 50. Kf1 Nf7 51. Ke2 Bxg3 52. Qe1 Bb8 53. b5 Qe6 54. bxc6 Qxc6 55. Kd2 Qb5 56. Qc1 h4 0-1

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.10.29"]
[Round "2"]
[White "Iskusnyh, Sergei"]
[Black "Pyatin, Alexander"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2465"]
[BlackElo "2099"]
[PlyCount "145"]
[EventDate "2010.10.28"]
[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. c4 Nc6 3. Nf3 e6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 0-0 8. Rd1 Qe7 9. Bg2 e5 10. Nd5 Nxd5 11. cxd5 Nxd4 12. Nxd4 exd4 13. Qxd4 Re8 14. Rd2 a5 15. 0-0 b6 16. Rc1 Ba6 17. Rdc2 Ra7 18. e3 Qd7 19. Rc3 Re7 20. Qh4 Qe8 21. Bf3 Rd7 22. Be4 g6 23. Bf3 Re7 24. Qf6 Rd7 25. g4 Qe7 26. g5 h6 27. Bg4 hxg5 28. Qd4 f5 29. Bd1 Qg7 30. Qxg7+ Kxg7 31. f4 gxf4 32. exf4 Re7 33. Kf2 Kf6 34. Bf3 Bb5 35. h4 Be8 36. Re3 Bf7 37. b3 Rb7 38. Ke2 Ra7 39. Kd3 Rxe3+ 40. Kxe3 Ke7 41. Kd4 Rb7 42. Be2 Kf6 43. Bb5 Ke7 44. Rc3 Kf6 45. a3 Ke7 46. Bc6 Rb8 47. Bb5 Rb7 48. Rc2 Kf6 49. Rc1 Ke7 50. Bc6 Rb8 51. Kc4 Rh8 52. Rh1 Kd8 53. Kb5 Rh7 54. b4 axb4 55. axb4 Be8 56. Ka6 Re7 57. Kb7 Re4 58. Bxe8 Kxe8 59. b5 Kd7 60. Rc1 Kd8 61. Rxc7 Rd4 62. Rg7 Rxd5 63. Kc6 Rd4 64. Rxg6 Rxf4 65. h5 Ke7 66. Kxb6 Rg4 67. Kc6 Rc4+ 68. Kb7 f4 69. h6 f3 70. Rg3 Rh4 71. Rxf3 Rxh6 72. Kc7 Ke6 73. b6 1-0

[Event "Chigorin Memorial 18th"]
[Site "St Petersburg"]
[Date "2010.10.28"]
[Round "1"]
[White "Pyatin, Alexander"]
[Black "Bartsits, Sabina"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2099"]
[PlyCount "41"]
[EventDate "2010.10.28"]
[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. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Bxe7 Qxe7 8. Qg4 Qb4 9. Qxg7 Rf8 10. 0-0-0 a5 11. Qxh6 a4 12. a3 Qa5 13. Qg5 c6 14. h5 b5 15. h6 b4 16. axb4 Qxb4 17. Na2 Qb6 18. h7 Ra7 19. h8Q Rxh8 20. Rxh8+ Nf8 21. Qe3 1-0

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.10"]
[Round "9"]
[White "Pyatin, Alexander"]
[Black "Belov, Vadim G"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2102"]
[BlackElo "2313"]
[PlyCount "52"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 b6 7. c3 Bb7 8. Qc2 Nd7 9. N2g3 Ngf6 10. Bd3 c5 11. dxc5 Nxc5 12. Nxf6+ Bxf6 13. Bb5+ Kf8 14. f3 Qd5 15. Qe2 Rc8 16. Be3 Qd6 17. Rd1 Qc7 18. 0-0 a6 19. Bd3 Nxd3 20. Qxd3 Bd5 21. Rfe1 b5 22. Bd4 Bxd4+ 23. Qxd4 Qc5 24. Qxc5+ Rxc5 25. Ne2 Ke7 26. Nf4 Bb3 1/2-1/2

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.09"]
[Round "8"]
[White "Donskih, Artyom"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2022"]
[BlackElo "2102"]
[PlyCount "66"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 Nxc3 5. bxc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 c5 9. Rb1 Nc6 10. Bb2 e5 11. Re1 f5 12. d3 Qd6 13. Qe2 h6 14. Nd2 b5 15. c4 b4 16. Nf1 Bb7 17. Ne3 Rae8 18. Nd5 Kh7 19. Qd2 g5 20. a3 a5 21. axb4 Nxb4 22. Ba3 Bc6 23. c3 Nxd5 24. cxd5 Bxd5 25. Bxd5 Qxd5 26. Rb5 Rc8 27. c4 Qd6 28. Qe3 Rfd8 29. Rd1 Bf8 30. Rxa5 g4 31. Bb2 Bg7 32. Ba3 Bf8 33. Bb2 Bg7 1/2-1/2

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.08"]
[Round "7"]
[White "Pyatin, Alexander"]
[Black "Utkin, Aleksey"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2102"]
[BlackElo "2339"]
[PlyCount "103"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. Qd2 dxe4 6. Nxe4 Nd7 7. h3 Ngf6 8. Nxf6+ Nxf6 9. Bd3 Nd5 10. Nf3 Nxe3 11. Qxe3 0-0 12. 0-0 Bf5 13. Bxf5 gxf5 14. Rad1 e6 15. c4 Qb6 16. b3 Rad8 17. Rd3 Qa5 18. Qe2 Bf6 19. Qe3 Kg7 20. Qf4 h6 21. Rfd1 Qb4 22. g4 fxg4 23. hxg4 Qd6 24. Qe4 Bg5 25. Ne5 f5 26. Qg2 fxg4 27. Qxg4 Qe7 28. Rg3 Kh7 29. Qe4+ Rf5 30. Rdd3 Qf6 31. Rg4 Kg7 32. Rh3 Rf4 33. Rxf4 Bxf4 34. Rf3 Qg5+ 35. Kf1 Bxe5 36. Qxe5+ Qxe5 37. dxe5 Rf8 38. Rd3 Rf7 39. Rd6 Re7 40. Kg2 Kg6 41. f4 c5 42. Kf3 Kf5 43. Rd8 b6 44. Rf8+ Kg6 45. Rf6+ Kh5 46. Ke4 Re8 47. f5 exf5+ 48. Kxf5 Rd8 49. e6 Re8 50. Rf7 a6 51. Kf6 Kg4 52. e7 1-0

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.07"]
[Round "6"]
[White "Khan, Alexander"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2321"]
[BlackElo "2102"]
[PlyCount "60"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. N5c3 0-0 8. g3 e4 9. Bg2 Bf5 10. 0-0 h6 11. Qc2 Qe7 12. Rd1 Bg6 13. e3 Nbd7 14. Nd2 Rfe8 15. b3 Rad8 16. Nc4 a6 17. Bb2 h5 18. d6 Qe6 19. Na5 Rb8 20. Nc4 b5 21. Na5 Rbc8 22. a3 Bxd6 23. b4 Ne5 24. Qe2 h4 25. Nb7 Bf8 26. Rd4 Bh5 27. Qf1 hxg3 28. hxg3 Nf3+ 29. Bxf3 Bxf3 30. Ne2 g5 0-1

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.06"]
[Round "5"]
[White "Pyatin, Alexander"]
[Black "Stepanov, Evgeny"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2102"]
[BlackElo "1708"]
[PlyCount "122"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 g6 6. cxd5 Nxd5 7. Qb3 Nb6 8. a4 Be6 9. Qb5+ Nc6 10. a5 a6 11. Qxb6 Qxb6 12. axb6 Nxd4 13. Nb5 Nc2+ 14. Kd1 Nxa1 15. Nc7+ Kd7 16. Nxa8 Bb3+ 17. Ke1 Nc2+ 18. Kd2 Bh6+ 19. Kc3 Bxc1 20. Kxb3 Nd4+ 21. Kc3 Rxa8 22. Kxd4 Bxb2+ 23. Ke3 Kc6 24. Bc4 f6 25. Ne2 Ba3 26. Rb1 Bc5+ 27. Nd4+ Kd6 28. Kd3 e5 29. Ne6 Bxf2 30. Ke2 Rc8 31. Rd1+ Ke7 32. Nc7 Bd4 33. Rb1 Kd6 34. Bd5 Rd8 35. Bxb7 Bxb6 36. Ne6 Kxe6 37. Rxb6+ Kf5 38. Bxa6 h5 39. Bd3+ Kg5 40. g3 Rd4 41. h4+ Kg4 42. Bxg6 Kxg3 43. Rxf6 Rxh4 44. Rf5 Rh2+ 45. Ke3 Kg4 46. Rxe5 Rh1 47. Bd3 Rh3+ 48. Ke4 Rh2 49. Bc4 h4 50. Be6+ Kg3 51. Rg5+ Kf2 52. Kf4 Ke1 53. Ra5 Rb2 54. Kg4 Rb4+ 55. Kh3 Kd2 56. Bg4 Ke3 57. Kxh4 Kd4 58. Kg3 Rb3+ 59. Kf4 Rb8 60. Ra4+ Kc5 61. Ke5 Rb4 1/2-1/2

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.05"]
[Round "4"]
[White "Musaev, Shamil"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "1813"]
[BlackElo "2102"]
[PlyCount "54"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Be3 Nge7 7. g3 Nxd4 8. Bxd4 Nc6 9. Bg2 Qc7 10. 0-0 b5 11. Re1 Bb7 12. Nd5 exd5 13. exd5+ Kd8 14. dxc6 Bxc6 15. Be5 Qb7 16. Bxc6 Qxc6 17. Qd2 f6 18. Qa5+ Ke7 19. Bf4+ Kf7 20. Qd2 Be7 21. Rad1 Rad8 22. Bd6 Rhe8 23. Bxe7 Rxe7 24. Rxe7+ Kxe7 25. Qd3 g6 26. Re1+ Kf7 27. Qe3 Qd6 1/2-1/2

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.05"]
[Round "3"]
[White "Pyatin, Alexander"]
[Black "Malyshev, Alexey"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2102"]
[BlackElo "2120"]
[PlyCount "67"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. Nbc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. g3 Bb4 7. Bg2 a6 8. 0-0 0-0 9. Nce2 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. c4 Ne7 13. Qa4 Qb6 14. a3 Bd6 15. b4 Be5 16. Be3 Qc7 17. Rad1 Bb7 18. Bc5 Rfe8 19. f4 Bf6 20. Bd6 Qb6+ 21. Bc5 Qc7 22. g4 g6 23. Ng3 Bg7 24. Ne4 Nc8 25. Bd6 Qb6+ 26. Bc5 Qc7 27. Rf2 f5 28. Bd6 Qb6 29. gxf5 exf5 30. c5 Qb5 31. Qb3+ Kh8 32. a4 fxe4 33. axb5 axb5 34. Be5 1-0

[Event "Peterhof op"]
[Site "Peterhof"]
[Date "2010.01.03"]
[Round "1"]
[White "Sokolov, Sergei"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2363"]
[BlackElo "2102"]
[PlyCount "69"]
[EventDate "2010.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nb6 5. Bb3 c5 6. d3 Nc6 7. Be3 e6 8. Nf3 Be7 9. 0-0 0-0 10. Bf4 a6 11. Qd2 Nd5 12. Nxd5 exd5 13. c3 Bf5 14. d4 c4 15. Bc2 Bxc2 16. Qxc2 b5 17. Rfe1 Bd6 18. Ne5 Na5 19. Qd2 Qc7 20. Bg3 Rab8 21. Ng4 Bxg3 22. hxg3 Qd6 23. Qg5 h6 24. Qe5 Rfd8 25. Re2 Qd7 26. Qf4 Nc6 27. Ne5 Nxe5 28. Rxe5 Re8 29. Rae1 Kf8 30. Rxe8+ Rxe8 31. Rxe8+ Kxe8 32. Qe5+ Kf8 33. Qb8+ Ke7 34. Qe5+ Kf8 35. Qb8+ 1/2-1/2

[Event "Peterhof op 08"]
[Site "Peterhof"]
[Date "2009.08.11"]
[Round "9"]
[White "Lezhepekova, Veronika"]
[Black "Pyatin, Alexander"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2118"]
[BlackElo "2039"]
[PlyCount "92"]
[EventDate "2009.08.03"]
[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 c5 3. c3 cxd4 4. Nxd4 e5 5. Nb3 d5 6. Bg5 Be6 7. N1d2 h6 8. Bh4 g5 9. Bg3 Nfd7 10. e4 dxe4 11. Nxe4 Bxb3 12. Qxb3 Qb6 13. Qxb6 axb6 14. Bb5 Nc6 15. f3 f5 16. Nd2 f4 17. Bf2 Bc5 18. Nb3 Ke7 19. 0-0 Rhd8 20. Rfe1 Kf6 21. a3 Bxf2+ 22. Kxf2 Nc5 23. Nxc5 bxc5 24. Bxc6 bxc6 25. Red1 Ke6 26. Rxd8 Rxd8 27. Ke2 Rb8 28. Ra2 Kd5 29. Kd3 c4+ 30. Kc2 e4 31. fxe4+ Kxe4 32. Ra1 Ke3 33. Rd1 g4 34. Rd6 f3 35. gxf3 gxf3 36. Re6+ Kf2 37. Rf6 Ke2 38. Re6+ Kf1 39. Rxh6 Rf8 40. Rg6 f2 41. b3 cxb3+ 42. Kxb3 Ke2 43. Rg2 Kd3 44. Rxf2 Rxf2 45. Kb4 Rxh2 46. Kc5 Kxc3 0-1

[Event "Peterhof op 08"]
[Site "Peterhof"]
[Date "2009.08.10"]
[Round "8"]
[White "Egorov, Konstantin"]
[Black "Pyatin, Alexander"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2160"]
[BlackElo "2039"]
[PlyCount "122"]
[EventDate "2009.08.03"]
[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 Nf6 2. Nc3 Nc6 3. g3 e5 4. Bg2 g6 5. e3 Bg7 6. Nge2 0-0 7. 0-0 d6 8. d3 Nh5 9. Rb1 a5 10. a3 f5 11. Nd5 Ne7 12. b4 c6 13. Nxe7+ Qxe7 14. b5 Bd7 15. bxc6 Bxc6 16. Bd5+ Kh8 17. Rb6 Qd7 18. Bd2 a4 19. f4 Nf6 20. Nc3 Qc7 21. Rb4 exf4 22. gxf4 Rfe8 23. Qf3 Ng4 24. Re1 Re7 25. h3 Nf6 26. Reb1 Ree8 27. Rb6 Nd7 28. Bxc6 Nxb6 29. Bxe8 Rxe8 30. Nd5 Nxd5 31. Qxd5 b6 32. Qb5 Qe7 33. Qxa4 g5 34. Rf1 gxf4 35. Rxf4 Qg5+ 36. Rg4 Qh5 37. Rg2 f4 38. Qd7 Rg8 39. Qg4 Qe5 40. Qxf4 Qa1+ 41. Qf1 Qxa3 42. Kh1 Rf8 43. Qg1 Qxd3 44. Rxg7 Qxd2 45. Rg2 Qc3 46. Rg4 Qf6 47. Rf4 Qg7 48. Qxg7+ Kxg7 49. Rxf8 Kxf8 50. e4 Ke7 51. Kg2 Kf6 52. Kf3 Ke5 53. Ke3 h6 54. h4 h5 55. Kd3 Kf6 56. Ke2 Ke6 57. Kf3 Kf7 58. Ke3 Ke7 59. Kd3 Kf6 60. Ke2 Ke6 61. Kf3 Kf7 1/2-1/2

