[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.24"]
[Round "9"]
[White "Nikiforov, Dmitriy"]
[Black "Zakharov, Yuri Vasilievich"]
[Result "0-1"]
[ECO "C39"]
[BlackElo "1690"]
[PlyCount "41"]
[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 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. Bxf4 Nxf4 10. 0-0 0-0 11. Rxf4 f6 12. Rxg4+ Bxg4 13. Qxg4+ Kh8 14. Nf3 f5 15. Qh5 Qf6 16. Nc3 Qg6 17. Qxg6 hxg6 18. Ne5 Kg7 19. Nb5 a6 20. Nxd6 cxd6 21. Nf3 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.23"]
[Round "8"]
[White "Davidov, Alexey"]
[Black "Nikiforov, Dmitriy"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1732"]
[PlyCount "61"]
[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. c4 c6 2. b3 d5 3. Bb2 Bf5 4. Nf3 Nf6 5. g3 e6 6. Bg2 Qb6 7. Qc1 Nbd7 8. 0-0 Bd6 9. d3 h6 10. Nbd2 0-0-0 11. Re1 Bb8 12. e4 dxe4 13. dxe4 Bg4 14. e5 Ne8 15. Bd4 Qc7 16. Qb2 f6 17. b4 c5 18. bxc5 Nxc5 19. exf6 Nd3 20. fxg7 Rg8 21. Qc3 Nxe1 22. Rxe1 Nxg7 23. Nb3 Nf5 24. Be5 Qd7 25. Bxb8 Kxb8 26. Ne5 Qc7 27. Na5 Rd1 28. Nxb7 Rxe1+ 29. Qxe1 Nd6 30. Nxd6 Qxd6 31. Qb1+ 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.22"]
[Round "7"]
[White "Nikiforov, Dmitriy"]
[Black "Turetsky, Mark"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1639"]
[PlyCount "127"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nf3 0-0 7. 0-0 Nc6 8. c3 Re8 9. h3 Be6 10. Re1 Nd7 11. Bf4 Bf6 12. Qc2 g6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Nbd2 Nf6 16. Ne5 Nxe5 17. Rxe5 Bd7 18. Rae1 Rxe5 19. Rxe5 c6 20. Nb3 Qc7 21. Nc5 b6 22. Nxd7 Qxd7 23. Qe2 Re8 24. Rxe8 Qxe8 25. Qxe8 Nxe8 26. Ba6 Nc7 27. Bb7 c5 28. dxc5 bxc5 29. Bc6 Kf6 30. Kf1 Ke5 31. Ke2 f5 32. Kd3 Ne6 33. g3 f4 34. b4 c4+ 35. Kc2 g5 36. a4 fxg3 37. fxg3 d4 38. Be8 d3+ 39. Kd2 Nc7 40. Bf7 Nd5 41. b5 Kd6 42. h4 gxh4 43. gxh4 Kc5 44. a5 h6 45. h5 Nf4 46. Bxc4 Nxh5 47. Bxd3 Nf4 48. Bf1 Ne6 49. a6 Nf4 50. c4 h5 51. Ke3 Ng6 52. Kf3 Kb6 53. Ke4 Nf8 54. Kf5 Nd7 55. Kg5 Nc5 56. Kxh5 Ne4 57. Kg6 Nc5 58. Kf6 Na4 59. Ke6 Nc5+ 60. Kd5 Na4 61. Bd3 Nc5 62. Bc2 Nd7 63. Ke6 Nf8+ 64. Ke7 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.21"]
[Round "6"]
[White "Kupriyanov, Konstantin"]
[Black "Nikiforov, Dmitriy"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1728"]
[PlyCount "97"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. f4 Qb6 6. Nf3 Nh6 7. Na3 Be7 8. Nc2 0-0 9. Bd3 f6 10. 0-0 fxe5 11. fxe5 c4 12. Be2 Nf7 13. Ne3 Bd7 14. Qe1 Qd8 15. Bd1 Ng5 16. Nxg5 Rxf1+ 17. Qxf1 Bxg5 18. Bc2 Qf8 19. Qe2 Be8 20. Qg4 Bxe3+ 21. Bxe3 Qe7 22. Bg5 Qd7 23. Rf1 Ne7 24. Bxh7+ Kxh7 25. Qh4+ Kg8 26. Bxe7 Bf7 27. Rf3 Qa4 28. h3 Qxa2 29. Qf4 Qb1+ 30. Kh2 Qg6 31. Rg3 Qf5 32. Qe3 Kh7 33. Rg5 Qc2 34. Qg3 Bg6 35. Qh4+ Kg8 36. Qg4 Kf7 37. Bd6 Qe4 38. Qg3 Rh8 39. Rg4 Qd3 40. Rf4+ Ke8 41. Qg5 Kd7 42. Qe7+ Kc6 43. Qxe6 Re8 44. Be7+ Kb5 45. Qxd5+ Ka6 46. Qd6+ b6 47. Qa3+ Kb7 48. Rg4 Rb8 49. Qd6 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.20"]
[Round "5"]
[White "Nikiforov, Dmitriy"]
[Black "Kirushin, Ivan"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1785"]
[PlyCount "42"]
[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 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. c3 Bd6 6. Bg3 0-0 7. Bd3 Qc7 8. Nbd2 Nbd7 9. 0-0 Bxg3 10. hxg3 b6 11. e4 dxe4 12. Nxe4 Bb7 13. Nxf6+ Nxf6 14. dxc5 Qxc5 15. Be2 Rfd8 16. Qc2 Rd6 17. Rad1 Rad8 18. Nd4 e5 19. Nb3 Qc6 20. Bf3 e4 21. Nd4 Rxd4 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.19"]
[Round "4"]
[White "Kuznetsov, Mikhail"]
[Black "Nikiforov, Dmitriy"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1913"]
[PlyCount "87"]
[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. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nc3 Ne4 7. Bd2 Nxd2 8. Qxd2 Be7 9. 0-0 0-0 10. e4 d6 11. Rfe1 Nd7 12. Rad1 Re8 13. Qc2 Nf8 14. Nd2 c5 15. d5 exd5 16. exd5 Bg5 17. Nf3 Bh6 18. Ne4 g6 19. h4 Bg7 20. Qa4 f5 21. Nc3 Bxc3 22. bxc3 Qd7 23. Qc2 Rxe1+ 24. Rxe1 Re8 25. Qd2 Ba6 26. Bf1 Qa4 27. Re2 Re4 28. Ng5 Bxc4 29. Nxe4 Bxe2 30. Nxd6 Bxf1 31. Kxf1 Qa6+ 32. c4 Qa4 33. Qe2 Qd7 34. Qe5 a6 35. Ne8 Kf7 36. Nd6+ Kg8 37. h5 Qg7 38. Qe8 Qd7 39. Qe5 Qg7 40. Qf4 Qd4 41. Qg5 Qg7 42. h6 Qd7 43. Qf6 Qc7 44. Nc8 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.18"]
[Round "3"]
[White "Nikiforov, Dmitriy"]
[Black "Martynyuk, Elizaveta"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2053"]
[PlyCount "76"]
[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 d5 2. Bf4 Nf6 3. e3 c6 4. a3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7. Ne2 Qb6 8. b3 Be7 9. 0-0 0-0 10. Nd2 Nbd7 11. c4 Qa6 12. Nc1 c5 13. cxd5 Qxd3 14. Nxd3 Nxd5 15. dxc5 Nxf4 16. Nxf4 Nxc5 17. b4 Rfd8 18. Nf3 Ne4 19. Rac1 Rac8 20. g3 h6 21. Kg2 Bf6 22. Rfd1 Rxc1 23. Rxc1 g5 24. Ne2 Rd3 25. Rc8+ Kg7 26. Rc7 Rxa3 27. Rxb7 Ra2 28. Kf1 g4 29. Nfd4 Bxd4 30. Nxd4 Rxf2+ 31. Kg1 Rf6 32. Nc6 Ng5 33. h4 gxh3 34. Rxa7 Nf3+ 35. Kh1 e5 36. Nd8 e4 37. Rd7 Ra6 38. Rd1 Ra2 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.17"]
[Round "2"]
[White "Joao, Amaral"]
[Black "Nikiforov, Dmitriy"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1866"]
[PlyCount "62"]
[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. Nf3 e6 3. c4 b6 4. Bg5 h6 5. Bh4 Be7 6. Nc3 Bb7 7. Bxf6 Bxf6 8. e4 0-0 9. e5 Be7 10. Bd3 d6 11. 0-0 dxe5 12. Nxe5 Nd7 13. Re1 Nxe5 14. dxe5 Bc5 15. Qe2 Qg5 16. Be4 Bxe4 17. Qxe4 Rfd8 18. a3 Rab8 19. Qc6 Qf4 20. Re2 Qxc4 21. Kh1 Qd4 22. Qxc7 Bxa3 23. g3 Rbc8 24. Qxa7 Bxb2 25. Rxb2 Qxc3 26. Qxb6 Qf3+ 27. Kg1 Rd1+ 28. Rxd1 Qxd1+ 29. Kg2 Qd5+ 30. f3 Qxe5 31. Qb5 Rc2+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.16"]
[Round "1"]
[White "Nikiforov, Dmitriy"]
[Black "Svidinsky, Dmitry"]
[Result "0-1"]
[ECO "D52"]
[BlackElo "2086"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6 Nxf6 8. Nd2 Be7 9. Be2 0-0 10. 0-0 Rd8 11. cxd5 exd5 12. a3 Bf5 13. b4 Qc7 14. Nb3 Bd6 15. Qe1 Bxh2+ 16. Kh1 Bd6 17. Rc1 Qe7 18. Nc5 Ne4 19. f4 Nxc5 20. bxc5 Bc7 21. Rf3 Re8 22. Bd1 Qd7 23. Bc2 Bg4 24. Rg3 Bxf4 0-1

