[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.22"]
[Round "9"]
[White "Siva, Mahadevan"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2270"]
[BlackElo "2074"]
[PlyCount "87"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. Nh4 c5 8. dxc5 Be4 9. Nc3 Nc6 10. Nxe4 dxe4 11. g3 Bxc5 12. Bb5 g5 13. Bxc6 bxc6 14. Ng2 Nxe5 15. Qe2 Nf3+ 16. Kh1 Qd5 17. Ne3 Bxe3 18. Bxe3 Qf5 19. Kg2 Qg4 20. Qc4 Nh4+ 21. Kg1 Rc8 22. f4 Nf3+ 23. Kg2 Qh5 24. h3 gxf4 25. Bxf4 Qf5 26. Bd6 Qd5 27. Qa6 Rd8 28. Bb4 Qb5 29. Qxb5 cxb5 30. a4 Nd4 31. Rfc1 Rg8 32. axb5 Ne2 33. Re1 Nxg3 34. Rxa7 Nf5+ 35. Kh2 Rg3 36. Rxe4 Rc8 37. c4 h5 38. Bc3 Rd8 39. b6 Rf3 40. b7 Ne7 41. Ra8 Nc6 42. Ba5 Rf2+ 43. Kg3 Rxb2 44. Bxd8 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.21"]
[Round "8"]
[White "Nikitin, Sergey E"]
[Black "Arbuzov, Mikhail"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2074"]
[BlackElo "2198"]
[PlyCount "73"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Bg5 Be6 14. Bc4 Qc7 15. Bxf6 dxc4 16. Bxg7 Kxg7 17. Nd5 Bxd5 18. Rxd5 Rfe8 19. Qc3 Rad8 20. Rhd1 Rxd5 21. Rxd5 Kg8 22. g3 Qb6 23. b4 cxb3 24. axb3 Qe6 25. Qd3 Kg7 26. Kb2 Re7 27. c4 Rc7 28. c5 Qe7 29. Qe3 f6 30. h4 a5 31. g4 Qe6 32. Rd6 Qe7 33. g5 f5 34. Qd3 e4 35. Qd4+ Kg8 36. Rd8+ Kf7 37. Qd5+ 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.20"]
[Round "7"]
[White "Penkov, Aleksey"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1855"]
[BlackElo "2074"]
[PlyCount "54"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. c3 d5 2. Qa4+ c6 3. g4 e5 4. h3 h5 5. gxh5 Rxh5 6. d3 Bd6 7. Nd2 Be6 8. e4 f5 9. Be2 Rh8 10. Ndf3 Nf6 11. Ng5 Qe7 12. Nxe6 Qxe6 13. Qb3 b6 14. Nf3 fxe4 15. Ng5 Qf5 16. Qc2 exd3 17. Bxd3 e4 18. Qe2 Nbd7 19. Bd2 Bf4 20. Rg1 Ne5 21. Ba6 Bxg5 22. 0-0-0 Bxd2+ 23. Rxd2 Nf3 24. Rxg7 Qf4 25. Bb7 Kf8 26. Rg3 Nxd2 27. Kc2 Rb8 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.19"]
[Round "6"]
[White "Nikitin, Sergey E"]
[Black "Shapiro, Viktor"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2074"]
[BlackElo "2249"]
[PlyCount "112"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Ndb5 a6 8. Bxf6 gxf6 9. Nd4 Qb6 10. Nb3 Bd7 11. a4 Na5 12. Nxa5 Qxa5 13. Qd4 Rg8 14. g3 Bc6 15. b4 Qe5 16. Qxe5 dxe5 17. Rb1 Bd7 18. b5 a5 19. Nd1 Rc8 20. Bd3 Bc5 21. f3 Ke7 22. Nf2 h5 23. Ke2 Bd4 24. Rhg1 f5 25. h3 fxe4 26. fxe4 f5 27. c4 fxe4 28. Nxe4 Bxg1 29. Rxg1 b6 30. Ke3 Be8 31. Be2 Bg6 32. Nd2 Kd6 33. Rd1 Bc2 34. Rc1 Bf5 35. g4 hxg4 36. hxg4 Bxg4 37. Ne4+ Ke7 38. Bxg4 Rxg4 39. c5 bxc5 40. Rh1 Rg7 41. b6 Rb8 42. Rb1 c4 43. Rb5 Rg1 44. Nc5 Rd1 45. Na6 Rb7 46. Nc5 c3 47. Nxb7 c2 48. Rc5 c1Q+ 49. Rxc1 Rxc1 50. Nxa5 Kd6 51. Nb7+ Kc6 52. Nd8+ Kxb6 53. Nxe6 Kc6 54. Ke4 Kd6 55. Ng5 Rc4+ 56. Ke3 Rxa4 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.18"]
[Round "5"]
[White "Ataev, Kamronbek"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1644"]
[BlackElo "2074"]
[PlyCount "64"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d3 d5 4. cxd5 exd5 5. Nf3 d4 6. Ne4 c5 7. g3 Nd5 8. Bg2 Nc6 9. 0-0 Be7 10. Ned2 0-0 11. a4 b6 12. Nc4 Bb7 13. e4 dxe3 14. fxe3 Bf6 15. e4 Ndb4 16. e5 Be7 17. Ne1 Qd7 18. Be4 f5 19. exf6 Bxf6 20. Bf4 Bd4+ 21. Kg2 Ne7 22. Nd6 Ned5 23. Nxb7 Rxf4 24. Qb3 Rxf1 25. Kxf1 Rf8+ 26. Nf3 Qxb7 27. Kg2 Bf6 28. d4 Qf7 29. Bxd5 Qxd5 30. Qxd5+ Nxd5 31. dxc5 bxc5 32. Rc1 Rc8 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.17"]
[Round "4"]
[White "Nikitin, Sergey E"]
[Black "Kuizhev, Adam"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2074"]
[BlackElo "1804"]
[PlyCount "63"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Qg3 Na6 8. Be2 d4 9. Nb1 Nh5 10. Qh2 Nf6 11. 0-0 Qa5 12. Nd2 Qc7 13. g4 Qxh2+ 14. Kxh2 e5 15. Nc4 Nd7 16. f4 f6 17. g5 fxg5 18. fxe5 Nxe5 19. Nxe5 Bd6 20. Bxg5 Bxe5+ 21. Kg2 Rf8 22. Bg4 Bf6 23. Bf4 Ke7 24. a3 Nc5 25. Bg3 Ne6 26. Rf2 Bg5 27. Raf1 Rxf2+ 28. Rxf2 Rf8 29. Bxe6 Rxf2+ 30. Bxf2 Kxe6 31. Bxd4 g6 32. Bxa7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.16"]
[Round "3"]
[White "Kozubov, Mikhail"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1724"]
[BlackElo "2074"]
[PlyCount "97"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Nc6 7. Nf3 f6 8. 0-0 Be6 9. Bd2 Bd6 10. a3 Na5 11. b4 Nb3 12. Rb1 Nxd2 13. Nxd2 c6 14. b5 Rc8 15. a4 Qd7 16. bxc6 bxc6 17. Nce4 Be7 18. Qc2 c5 19. a5 Nd5 20. Nc4 Nb4 21. Qc3 0-0 22. Ra1 Rb8 23. Rfc1 Nc6 24. Qe1 Nd4 25. Rab1 Rb4 26. Nc3 Rfb8 27. Rd1 Kf7 28. Ne3 Rb3 29. Rxb3 Rxb3 30. Ncd5 Bd8 31. f4 Rb2 32. fxe5 fxe5 33. Nc4 Rxe2 34. Nxe5+ Ke8 35. Nxd7 Rxe1+ 36. Rxe1 Kxd7 37. a6 Kd6 38. Nc3 Bb6 39. Ne4+ Kd7 40. Kh1 h6 41. Rc1 Nb3 42. Rd1 Nd4 43. Rb1 Nc6 44. Rc1 Nb4 45. Nxc5+ Bxc5 46. Rxc5 Nxa6 47. Ra5 Nb4 48. Rxa7+ Kd6 49. Rxg7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.15"]
[Round "2"]
[White "Nikitin, Sergey E"]
[Black "Tsybikov, Tumen"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2074"]
[BlackElo "2281"]
[PlyCount "68"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. h3 Nc6 10. Nb3 Bd7 11. a4 Rc8 12. f4 Na5 13. e5 Ne8 14. Nxa5 Qxa5 15. Nd5 Qd8 16. Be3 Bc6 17. Nb6 Bxg2 18. Kxg2 Rc6 19. a5 Nc7 20. exd6 Rxd6 21. Qf3 Bxb2 22. Rad1 Bd4 23. Rxd4 Rxd4 24. Bxd4 Qxd4 25. Qxb7 Qc3 26. Rf2 Rd8 27. Nc8 Kf8 28. Na7 Nd5 29. Qxa6 Ne3+ 30. Kh2 Rd2 31. Re2 Nf1+ 32. Kg2 Qxg3+ 33. Kh1 Qf3+ 34. Kg1 Rxe2 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2019.08.14"]
[Round "1"]
[White "Kuchina, Alexandra"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1145"]
[BlackElo "2074"]
[PlyCount "70"]
[EventDate "2019.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 192"]
[Source "ChessBase"]
[SourceDate "2019.10.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Be4 5. 0-0 e6 6. b3 Bd6 7. Bb2 Ng4 8. Ne5 h5 9. Bxe4 dxe4 10. h3 f5 11. c4 Qg5 12. c5 Bxe5 13. dxe5 Nc6 14. Qe2 0-0-0 15. Na3 Ngxe5 16. Bxe5 Nxe5 17. Nc4 Qf6 18. Nxe5 Qxe5 19. c6 Rd3 20. cxb7+ Kxb7 21. Rad1 Qd5 22. Qc2 Rd8 23. Rxd3 exd3 24. Qd2 e5 25. Qb4+ Kc8 26. Rd1 d2 27. a4 Qd3 28. Qc4 Qxc4 29. bxc4 Kb7 30. Kf1 Kc6 31. Ke2 Kc5 32. Rxd2 Rxd2+ 33. Kxd2 Kxc4 34. f4 e4 35. Kc2 h4 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.04"]
[Round "9"]
[White "Nikitin, Sergey E"]
[Black "Ivanov, Sergei V"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2230"]
[BlackElo "2055"]
[PlyCount "120"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. 0-0 Nf6 8. f3 Bh5 9. Bf4 Qd7 10. Nd2 e6 11. Nb3 b6 12. Be5 Bg6 13. Nf4 Bxd3 14. Nxd3 Bd6 15. Qe2 0-0 16. a4 Qc7 17. Bxf6 gxf6 18. f4 Kh8 19. Qh5 Rg8 20. Ne5 Rg7 21. Ng4 f5 22. Ne5 Rag8 23. g3 f6 24. Nd3 Nd8 25. a5 Rg4 26. axb6 axb6 27. Nd2 Bxf4 28. Nxf4 Rxf4 29. Rxf4 Qxf4 30. Ra7 Qe3+ 31. Kf1 h6 32. Nf3 Qd3+ 33. Kf2 Qc2+ 34. Ke1 Qc1+ 35. Ke2 Rg7 36. Qe8+ Kh7 37. Rxg7+ Kxg7 38. Qxd8 Qxb2+ 39. Nd2 Qxc3 40. Qe7+ Kg6 41. Qe8+ Kg7 42. Qe7+ Kg6 43. Qxe6 Qxd4 44. Qg8+ Kh5 45. Qf7+ Kg4 46. Qg6+ Kh3 47. Qh5+ Kg2 48. Qxh6 b5 49. Qh4 Qe5+ 50. Kd3 d4 51. Qf4 Qe3+ 52. Qxe3 dxe3 53. Kxe3 Kxh2 54. Kf3 b4 55. Nb3 Kh3 56. Nd4 Kh2 57. Kf4 Kh3 58. Nb3 Kh2 59. Kf3 Kh3 60. Nd4 Kh2 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.03"]
[Round "8"]
[White "Vasilyev, Alexey1"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "1995"]
[BlackElo "2230"]
[PlyCount "58"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bc4 e6 6. 0-0 Nc6 7. d4 Nxc3 8. bxc3 Be7 9. Qe2 0-0 10. Bb2 Qc7 11. Nd2 Rd8 12. Nb3 b6 13. Rad1 Bb7 14. Rfe1 Bd6 15. h3 Ne7 16. dxc5 bxc5 17. Bd3 c4 18. Bxc4 Ng6 19. Bc1 Nh4 20. f3 Bh2+ 21. Kh1 Nf5 22. Rxd8+ Rxd8 23. f4 Ng3+ 24. Kxh2 Nxe2 25. Bxe2 Qxc3 26. Bd2 Rxd2 27. Nxd2 Qxd2 28. Rd1 Qxf4+ 29. Kh1 g5 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.02"]
[Round "7"]
[White "Nikitin, Sergey E"]
[Black "Poznyak, Nazar"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2230"]
[BlackElo "2016"]
[PlyCount "174"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Be3 c5 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Qg4 Qa5+ 10. c3 cxd4 11. Bxd4 Qd5 12. f4 0-0-0 13. Ne2 f5 14. Qg3 Qb5 15. b4 Nb8 16. Qe3 Nc6 17. a4 Qd3 18. b5 Nxd4 19. Qxd3 exd3 20. Nxd4 Bb4 21. 0-0-0 Bxc3 22. Nxe6 Rd7 23. Nc5 Rc7 24. Nxd3 Rd8 25. Kb1 Rd4 26. Ka2 Rxa4+ 27. Kb3 Ra5 28. Rc1 Rxb5+ 29. Ka4 Rb6 30. h3 h5 31. g4 hxg4 32. hxg4 fxg4 33. f5 Rc4+ 34. Ka3 Rbc6 35. Kb3 a5 36. Rh8+ Kc7 37. Rh7 a4+ 38. Ka2 Kb8 39. Rxg7 Re4 40. Rc2 Bxe5 41. Rxc6 Bxg7 42. Rg6 Bd4 43. f6 Re2+ 44. Ka3 Re3 45. Rg8+ Kc7 46. f7 Rxd3+ 47. Kxa4 Bc5 48. f8Q Bxf8 49. Rxf8 g3 50. Rg8 Kb6 51. Kb4 Kc6 52. Kc4 Rf3 53. Rg6+ Kc7 54. Kd5 Rd3+ 55. Kc4 Rf3 56. Kd5 Ra3 57. Ke5 Kd7 58. Rb6 Kc7 59. Rg6 Rb3 60. Kd5 b5 61. Kd4 Kd7 62. Ke5 Ke7 63. Rg7+ Kf8 64. Rg4 Kf7 65. Rg5 b4 66. Rg4 Re3+ 67. Kd5 b3 68. Kd4 Rf3 69. Ke4 b2 70. Kxf3 b1Q 71. Kxg3 Ke6 72. Rf4 Ke5 73. Rf2 Qe4 74. Rf3 Qg6+ 75. Kf2 Ke4 76. Re3+ Kd4 77. Rf3 Qg5 78. Rg3 Qf4+ 79. Rf3 Qh2+ 80. Ke1 Qc2 81. Rf2 Qc1+ 82. Ke2 Ke4 83. Rg2 Qc2+ 84. Kf1 Qd1+ 85. Kf2 Kf4 86. Rg8 Qd4+ 87. Ke1 Qa1+ 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.11.01"]
[Round "6"]
[White "Duzhakov, Ilya"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2414"]
[BlackElo "2230"]
[PlyCount "69"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. Qb3 Bxc3+ 7. bxc3 c6 8. e3 Qb6 9. Bxf6 Qxb3 10. axb3 gxf6 11. Bd3 Ke7 12. Ne2 h6 13. Ng3 Rg8 14. 0-0 a5 15. f3 b6 16. e4 Bd7 17. Bc2 Na6 18. Rae1 Kd6 19. Nh5 f5 20. Nf6 Rgd8 21. e5+ Ke7 22. Nxd7 Rxd7 23. Bxf5 Rc7 24. e6 b5 25. exf7+ Kxf7 26. Re6 a4 27. bxa4 bxa4 28. Ra1 Nb8 29. Rxh6 Kg8 30. Ra3 Rb7 31. Bc2 Rb2 32. Rxa4 Rxa4 33. Bxa4 Ra2 34. Bxc6 Kg7 35. Re6 1-0

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.31"]
[Round "5"]
[White "Sadovsky, Artem"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2408"]
[BlackElo "2230"]
[PlyCount "88"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 a6 10. a4 b4 11. Na2 c5 12. b3 a5 13. Bb2 Be7 14. Nc1 0-0 15. Nd3 Rc8 16. Rc1 cxd4 17. Bxd4 Bd6 18. Rxc8 Qxc8 19. Qa1 Bd5 20. Qb2 Qb7 21. Rc1 Rc8 22. Rxc8+ Qxc8 23. Nfe5 Nxe5 24. Nxe5 Bxe5 25. Bxe5 Ne4 26. f3 Nc3 27. Bd3 f6 28. Bg3 Qc5 29. Bf2 Nd1 30. Qc2 Qxc2 31. Bxc2 Nxf2 32. Kxf2 e5 33. f4 Kf8 34. fxe5 fxe5 35. g3 Ke7 36. h4 Kf6 37. g4 e4 38. g5+ Kf5 39. Kg3 h6 40. gxh6 gxh6 41. Bd1 h5 42. Kf2 Ke5 43. Ke1 Be6 44. Kf2 Bf7 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.30"]
[Round "4"]
[White "Nikitin, Sergey E"]
[Black "Usacheva, Glafira"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2230"]
[BlackElo "1939"]
[PlyCount "75"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. f4 g6 4. Nf3 Bg7 5. Be2 e6 6. 0-0 Ne7 7. c3 Nbc6 8. Be3 0-0 9. Nbd2 b6 10. Qc2 Bb7 11. Nb3 Rc8 12. g4 f5 13. h3 d5 14. exf5 exf5 15. d4 c4 16. Nbd2 Qd7 17. g5 Qe6 18. Ne5 b5 19. Ndf3 Rce8 20. Kf2 Nc8 21. h4 Nd6 22. Rh1 Ne4+ 23. Kg2 a6 24. h5 Bxe5 25. dxe5 Kg7 26. Bd4 Rh8 27. Rag1 Rc8 28. Qc1 Nd8 29. hxg6 hxg6 30. Rxh8 Kxh8 31. Rh1+ Kg7 32. Rh3 Nf7 33. Qh1 Rh8 34. Rxh8 Nxh8 35. Qh6+ Kg8 36. Nh4 Bc6 37. Nxf5 Qxf5 38. e6 1-0

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.29"]
[Round "3"]
[White "Kruglikov, Aleksandr"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2003"]
[BlackElo "2230"]
[PlyCount "101"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 Bd6 8. 0-0 0-0 9. Re1 c5 10. Ne4 Nxe4 11. Bxe4 h6 12. c3 Nf6 13. Bc2 cxd4 14. Qxd4 Qe7 15. Qh4 Nd5 16. Qe4 f5 17. Qe2 Kh7 18. Bb3 Nc7 19. Ne5 b5 20. Qf3 g5 21. Bc2 Kg7 22. a4 Qf6 23. Qe2 b4 24. cxb4 Bxb4 25. Bd2 Ba6 26. Bd3 Bxd3 27. Qxd3 Rfd8 28. Qc4 Bxd2 29. Qxc7+ Kg8 30. Re2 Bf4 31. g3 Rac8 32. Qa5 Bxe5 33. Rxe5 f4 34. Rae1 fxg3 35. hxg3 Rf8 36. Qxa7 Rc2 37. R5e2 Qxb2 38. Rxe6 Qg7 39. Re7 Qf6 40. R7e2 Rxe2 41. Rxe2 Qa1+ 42. Kg2 Qd1 43. Qe3 Qxa4 44. Qe6+ Kg7 45. Qe5+ Rf6 46. Rb2 Qc6+ 47. Kh2 Kg6 48. Re2 Qf3 49. Qe8+ Kg7 50. Qe7+ Rf7 51. Qe5+ 1/2-1/2

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.28"]
[Round "2"]
[White "Nikitin, Sergey E"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2230"]
[BlackElo "2557"]
[PlyCount "76"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. 0-0 0-0 7. h3 Re8 8. a3 a6 9. b4 Ba7 10. Nd5 d6 11. Be3 Nxd5 12. Bxd5 Ne7 13. Bb3 Ng6 14. Qd2 Qf6 15. Kh2 c6 16. Bxa7 Rxa7 17. Qe3 Ra8 18. g3 Be6 19. Bxe6 Qxe6 20. Qb6 Re7 21. Ne1 f5 22. exf5 Qxf5 23. Ng2 Rf8 24. Rae1 Ref7 25. a4 Qd7 26. c4 Rf3 27. d4 Rd3 28. Re4 Kh7 29. dxe5 Nxe5 30. Ne1 Rc3 31. f4 Qf5 32. Re2 Qh5 33. Re4 Qg6 34. Re2 Qxg3+ 35. Kh1 Qxh3+ 36. Kg1 Rg3+ 37. Rg2 Ng4 38. Rff2 Re8 0-1

[Event "Chigorin Memorial 26th"]
[Site "St Petersburg"]
[Date "2018.10.27"]
[Round "1"]
[White "Serov, Aleksandr"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1688"]
[BlackElo "2230"]
[PlyCount "54"]
[EventDate "2018.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. cxd5 exd5 7. d3 h6 8. Nc3 Bb4 9. Qb3 Qe7 10. Bd2 Na6 11. Rfe1 Be6 12. Nd4 0-0 13. Nxe6 fxe6 14. a3 Bc5 15. e3 e5 16. d4 Bb6 17. dxe5 Qxe5 18. Na4 Ne4 19. Bxe4 Qxe4 20. Nxb6 Nc5 21. Qb4 axb6 22. Qxb6 Nd3 23. f3 Rxf3 24. Rf1 Raf8 25. Qd4 Rxf1+ 26. Rxf1 Rxf1+ 27. Kxf1 Qf3+ 0-1

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.23"]
[Round "9"]
[White "Nikitin, Sergey E"]
[Black "Ovchinnikov, Vsevolod"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2133"]
[BlackElo "2343"]
[PlyCount "107"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bd3 Nf6 5. 0-0 0-0 6. h3 Nbd7 7. Be3 e5 8. Nc3 b6 9. dxe5 dxe5 10. Qe2 a6 11. a4 Bb7 12. Bg5 h6 13. Bxf6 Qxf6 14. Rad1 c6 15. Bc4 Rfd8 16. Qe3 b5 17. axb5 axb5 18. Bb3 Bf8 19. Rd2 Nc5 20. Rfd1 Rxd2 21. Rxd2 b4 22. Nd1 Ba6 23. g3 Kg7 24. Kg2 Bd6 25. Nh2 Qe7 26. Ng4 Rh8 27. Qf3 Nxb3 28. Qxb3 h5 29. Nge3 h4 30. Nc4 Bc5 31. g4 Ra8 32. Nce3 Bc8 33. Qd3 Be6 34. Nc4 Qg5 35. Nde3 Qf4 36. Re2 Be7 37. Kg1 Rd8 38. Qb3 Kg8 39. Qa4 Qf3 40. Rd2 Rxd2 41. Nxd2 Qxh3 42. Qxc6 Bg5 43. Ndf1 Qf3 44. c4 Bf4 45. b3 h3 46. c5 Bxg4 47. Qe8+ Kg7 48. c6 Qxe4 49. c7 Qb7 50. Qd8 Be6 51. Nd5 g5 52. Nxf4 gxf4 53. Qg5+ Kh7 54. Qh5+ 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.22"]
[Round "8"]
[White "Schekachikhin, Maksim"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2392"]
[BlackElo "2133"]
[PlyCount "200"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 0-0 7. Rc1 Ne4 8. e3 c5 9. dxc5 Qa5 10. Bd3 Nd7 11. 0-0 Bxc3 12. bxc3 Ndxc5 13. Bb1 Be6 14. Nd4 Rac8 15. Qh5 Nf6 16. Qh4 Ncd7 17. Bd6 Rfe8 18. f4 Qb6 19. Be5 Nxe5 20. fxe5 Ne4 21. c4 Qd8 22. Qf4 Qg5 23. Nxe6 fxe6 24. Bxe4 Qxf4 25. Rxf4 dxe4 26. Rxe4 Rc5 27. Kf2 Rec8 28. Ke2 b5 29. Kd3 h6 30. Rc3 a6 31. Ra3 bxc4+ 32. Kc3 Rd5 33. Rxc4 Ra8 34. Rc6 a5 35. e4 Rxe5 36. Kd4 Rg5 37. Rg3 Rd8+ 38. Ke3 Rb5 39. Rxe6 Rd1 40. Rxh6 Re1+ 41. Kd3 Rd1+ 42. Kc4 Rb4+ 43. Kc3 Rc1+ 44. Kd3 Rd1+ 45. Ke2 Ra1 46. Re6 Rxa2+ 47. Kf3 Rb7 48. Ra6 Rf7+ 49. Kg4 Re7 50. Kf4 Re2 51. Rxa5 R7xe4+ 52. Kf5 Re7 53. h4 Rf2+ 54. Kg4 Re4+ 55. Kh3 Rf1 56. Rg4 Re3+ 57. Kh2 Re7 58. Rgg5 Rf4 59. g3 Rf6 60. Kh3 Rd6 61. h5 Kh7 62. Kh4 Re4+ 63. g4 Rd7 64. Rg6 Red4 65. Re6 R7d5 66. Ra7 Rd7 67. Re7 Rxa7 68. Rxa7 Kh6 69. Ra6+ Kh7 70. Re6 Rc4 71. Kg5 Rc5+ 72. Kf4 Rc4+ 73. Kf5 Rc5+ 74. Kf4 Rc4+ 75. Kf5 Rc5+ 76. Kf4 Rc4+ 77. Kg3 Rc3+ 78. Kh4 Rc4 79. Rg6 Rb4 80. Rg5 Rd4 81. Re5 Kh6 82. Kg3 Rc4 83. Re6+ Kh7 84. g5 Rc3+ 85. Kf4 Rc7 86. Re8 Rc4+ 87. Kf5 Rc5+ 88. Re5 Rxe5+ 89. Kxe5 Kg8 90. Ke6 Kf8 91. Kf5 Kf7 92. Ke5 Ke7 93. Kd5 Kf7 94. Kd6 Kf8 95. Ke6 Ke8 96. Kf5 Kf7 97. g6+ Kf8 98. Ke6 Kg8 99. Ke7 Kh8 100. h6 Kg8 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.21"]
[Round "7"]
[White "Nikitin, Sergey E"]
[Black "Ioffe, Ilya"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2133"]
[BlackElo "2267"]
[PlyCount "125"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 Bb4 7. Nge2 d5 8. exd5 Nxd5 9. 0-0 0-0 10. Nxd5 Qxd5 11. Bd2 Bc5 12. Nc3 Qc6 13. Ra4 Bf5 14. Qh5 Qg6 15. Qxg6 hxg6 16. Be3 Bxe3 17. fxe3 Bd7 18. Ra5 f6 19. Rfa1 a6 20. b4 Rad8 21. Kf2 Bc6 22. Rc5 Kf7 23. b5 axb5 24. Nxb5 Rd7 25. Nc3 Ke6 26. b4 Kd6 27. Rc4 b6 28. Ra7 Re7 29. b5 Ba8 30. e4 f5 31. Kg3 Rc8 32. Rxa8 Rxa8 33. Rc6+ Kd7 34. Nd5 f4+ 35. Kg4 Rf7 36. Rxc7+ Ke8 37. Rc6 Ra1 38. Rc8+ Kd7 39. Nxb6+ Ke7 40. Nd5+ Kd7 41. Rc7+ Ke6 42. Rxf7 Kxf7 43. b6 Ke6 44. c3 Kd6 45. b7 Rb1 46. Nb4 Kc7 47. b8Q+ Kxb8 48. Nc6+ Kc7 49. Nxe5 Rg1 50. Kxf4 Rxg2 51. h4 Kd6 52. d4 Rf2+ 53. Ke3 Rg2 54. c4 Rg1 55. c5+ Ke7 56. d5 Re1+ 57. Kd4 Rd1+ 58. Nd3 Rh1 59. Ke5 Rxh4 60. d6+ Kd7 61. Kd5 g5 62. Ne5+ Ke8 63. c6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.20"]
[Round "6"]
[White "Vorotnikov, Vladislav V"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2445"]
[BlackElo "2133"]
[PlyCount "85"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 Nf6 4. e5 Nfd7 5. Qg3 e6 6. f4 g6 7. Nf3 c5 8. h4 Nc6 9. h5 Rg8 10. hxg6 hxg6 11. b3 a6 12. Bb2 Ne7 13. Qf2 b5 14. a4 b4 15. Ne2 Bb7 16. g4 Qc7 17. Bg2 Nc6 18. Rh7 Be7 19. d3 Nf8 20. Rh3 c4 21. dxc4 dxc4 22. bxc4 0-0-0 23. Nd2 g5 24. Bxc6 Qxc6 25. f5 exf5 26. Nd4 Qc5 27. N2b3 Qxe5+ 28. Re3 Qc7 29. Qxf5+ Kb8 30. 0-0-0 Bd6 31. Red3 Ng6 32. c5 Bf4+ 33. Kb1 Ne5 34. c6 Nxc6 35. Nxc6+ Bxc6 36. Rxd8+ Rxd8 37. Rxd8+ Qxd8 38. Be5+ Bxe5 39. Qxe5+ Qc7 40. Qxg5 Bxa4 41. Nc5 Bb5 42. Qd5 Qe7 43. g5 1/2-1/2

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.19"]
[Round "5"]
[White "Lugovskoy, Maxim"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2405"]
[BlackElo "2133"]
[PlyCount "95"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. 0-0 b6 9. Qe2 Be7 10. Rd1 Qc7 11. d5 Nxd5 12. Nh5 0-0 13. Be4 N7f6 14. Ng5 g6 15. Nxf6+ Bxf6 16. Qf3 Qe5 17. Nh3 Ba6 18. Re1 Bg7 19. Ng5 f5 20. Qh3 h5 21. Nf3 Qd6 22. Bxd5 exd5 23. Bg5 Rfe8 24. Qh4 Bxb2 25. Rab1 Re4 26. Rxe4 dxe4 27. Bf4 Qf6 28. Bg5 Qc3 29. Ne1 Qc4 30. h3 Bd4 31. Kh2 Qe2 32. Be3 Bxe3 33. fxe3 Qxe3 34. Rd1 Rf8 35. Rd6 Kg7 36. Qe7+ Rf7 37. Qe5+ Kh7 38. Rd8 Kh6 39. Nf3 Qc1 40. Qh8+ Rh7 41. Qf8+ Rg7 42. Qh8+ Rh7 43. Qf8+ Rg7 44. Rd7 Qf4+ 45. g3 Qxf3 46. Qxg7+ Kg5 47. h4+ Kg4 48. Qxg6# 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.18"]
[Round "4"]
[White "Nikitin, Sergey E"]
[Black "Murtazin, Bulat"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2133"]
[BlackElo "2404"]
[PlyCount "129"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Bb3 Bc5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qf3 Nxb3 9. Qxf6 gxf6 10. axb3 Rg8 11. Nd5 Kd8 12. Kf1 Rg6 13. b4 Bf8 14. c3 f5 15. exf5 Rd6 16. Ne3 Rxd3 17. Ke2 Rd6 18. Nf3 Bg7 19. g4 b5 20. Nd2 Ra6 21. Rxa6 Bxa6 22. h4 Bb7 23. f3 a5 24. bxa5 Rxa5 25. g5 h5 26. f6 Bf8 27. Ne4 Ra2 28. Rb1 Ra4 29. b4 Ra2+ 30. Nd2 c5 31. bxc5 Bxc5 32. Nf5 d5 33. Ng3 e4 34. fxe4 dxe4 35. Nf5 Ba6 36. Ke1 Bc8 37. Nxe4 Bxf5 38. Rd1+ Kc7 39. Nxc5 Rc2 40. Na6+ Kc8 41. Rd5 Bg6 42. Rxb5 Rh2 43. Rb4 Rh3 44. Rc4+ Kd7 45. Nb4 Kd6 46. Kf2 Bh7 47. Rd4+ Ke5 48. Nc6+ Kf5 49. Ne7+ Ke6 50. c4 Ra3 51. c5 Rc3 52. c6 Bb1 53. Ke2 Rc2+ 54. Kd1 Rc5 55. Rb4 Bh7 56. Kd2 Rc2+ 57. Ke3 Rc1 58. Kd4 Kd6 59. Rc4 Rd1+ 60. Ke3 Kc7 61. Rd4 Rc1 62. Rd7+ Kb8 63. c7+ Rxc7 64. Rxc7 Kxc7 65. g6 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.17"]
[Round "3"]
[White "Nikitin, Sergey E"]
[Black "Shadunts, Kirill"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2133"]
[BlackElo "1893"]
[PlyCount "73"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 Nxd5 6. Nb3 Nc6 7. dxc5 Bxc5 8. Nxc5 Qa5+ 9. Qd2 Qxc5 10. c4 Nf6 11. a3 a6 12. b4 Qh5 13. Bb2 e5 14. Qd6 Ne4 15. Qc7 0-0 16. Be2 Qf5 17. 0-0 Be6 18. Qxb7 Rfc8 19. Qb6 Nd6 20. Rac1 Qf4 21. Qe3 Qxe3 22. fxe3 f6 23. Rfd1 Rd8 24. c5 Nf5 25. Kf2 Bb3 26. Rxd8+ Nxd8 27. Nd2 Be6 28. Nc4 Nc6 29. Nb6 Ra7 30. Bc3 Kf7 31. a4 Nd8 32. Rd1 Ke8 33. Be1 Ke7 34. h3 Ke8 35. b5 axb5 36. Bxb5+ Ke7 37. Bb4 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.16"]
[Round "2"]
[White "Kjartansson, Gudmundur"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2434"]
[BlackElo "2133"]
[PlyCount "89"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bg4 4. c4 c6 5. Ne5 Bh5 6. cxd5 Nxd5 7. g4 Bg6 8. Nc3 Nxc3 9. bxc3 Nd7 10. Nxg6 hxg6 11. Rb1 Qc7 12. h3 e6 13. d4 Bd6 14. Qb3 b5 15. c4 bxc4 16. Qxc4 Rb8 17. Rxb8+ Nxb8 18. Bd2 0-0 19. 0-0 c5 20. dxc5 Qxc5 21. Qxc5 Bxc5 22. Rc1 Bb6 23. a4 Rd8 24. a5 Bd4 25. Kf1 f6 26. e3 Be5 27. Ke2 Kf7 28. f4 Bd6 29. Rb1 Rd7 30. h4 Na6 31. Be4 Rc7 32. Bb7 Nc5 33. a6 Na4 34. Kf3 Rc2 35. Ba5 Nc5 36. Rb5 Nd7 37. Be4 Rc5 38. Rb7 Ke7 39. Bb4 f5 40. Bd3 Rd5 41. Bc4 Rd1 42. Bxd6+ Kxd6 43. Rxa7 Rd2 44. Rxd7+ Kxd7 45. a7 1-0

[Event "St Petersburg Korchnoi Memorial op"]
[Site "St Petersburg"]
[Date "2018.08.15"]
[Round "1"]
[White "Nikitin, Sergey E"]
[Black "Shepelev, Aleksander"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2133"]
[BlackElo "1548"]
[PlyCount "49"]
[EventDate "2018.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 h6 7. cxd5 Nxd5 8. Bd3 Bb4 9. Bd2 Nc6 10. 0-0 0-0 11. a3 Ba5 12. Qe2 Qf6 13. Qe4 Rd8 14. Rfe1 Bc7 15. Nxd5 Rxd5 16. Qxd5 Nxd4 17. Qxd4 Qe7 18. Bc3 f6 19. Qe4 f5 20. Qxf5 e5 21. Qh7+ Kf7 22. Bxe5 Bxe5 23. Nxe5+ Ke8 24. Qg8+ Qf8 25. Bb5+ 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.29"]
[Round "9"]
[White "Doshi, Moksh Amitbhai"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2222"]
[BlackElo "1923"]
[PlyCount "145"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 e6 3. e3 Nf6 4. f4 c5 5. Nf3 a6 6. Bd3 Nc6 7. 0-0 b5 8. Nc3 Bd6 9. a4 b4 10. Ne2 Bb7 11. Ng3 Qe7 12. Ne5 Qc7 13. Ng4 Be7 14. Nxf6+ Bxf6 15. Bxf6 gxf6 16. f5 Ke7 17. Qh5 Ne5 18. Qh4 Raf8 19. Be2 Nd7 20. d4 cxd4 21. Qxd4 Qc5 22. a5 Rc8 23. Qd2 Qc3 24. Rfd1 Rc5 25. Ra4 Qxd2 26. Rxd2 Bc6 27. Rxb4 Rxa5 28. c4 Rb8 29. Rxb8 Nxb8 30. Bd3 h6 31. Kf2 Ra3 32. Rb2 Nd7 33. fxe6 fxe6 34. Nf1 dxc4 35. Bxc4 Ne5 36. Be2 Bb5 37. Nd2 f5 38. Rc2 Bxe2 39. Kxe2 a5 40. Rc5 Ng4 41. h3 Nf6 42. Rc7+ Ke8 43. Kd3 Nd7 44. Kc3 Ra2 45. Ra7 Nb6 46. e4 a4 47. Ra6 Nd7 48. Rxe6+ Kf7 49. exf5 axb3 50. Rxh6 Rc2+ 51. Kd3 Ne5+ 52. Ke3 b2 53. Rh7+ Kf6 54. Rb7 Kxf5 55. g4+ Kg6 56. Rb6+ Kg7 57. Rb4 Kh6 58. Rb5 Nc4+ 59. Nxc4 Rxc4 60. Kf3 Rc2 61. Kg3 Kg6 62. Rb6+ Kg7 63. Kh4 Kh7 64. Kh5 Kg7 65. h4 Rd2 66. g5 Rh2 67. Rb7+ Kf8 68. g6 Kg8 69. Kg5 Kh8 70. h5 Kg8 71. Rb8+ Kg7 72. h6+ Rxh6 73. Rb7+ 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.28"]
[Round "8"]
[White "Nikitin, Sergey E"]
[Black "Shuvalov, Evgenij"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1923"]
[BlackElo "2247"]
[PlyCount "84"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Nc3 a6 13. Re1 0-0 14. h3 Bd7 15. Bd2 Rae8 16. Rc1 Qb8 17. a3 Re7 18. Bb1 Be8 19. Bg5 h6 20. Bxf6 Rxf6 21. Bd3 Bh5 22. g4 Ref7 23. Be2 Bg6 24. Nb1 Be4 25. Rc3 Qf8 26. Nbd2 Nxd4 27. Nxe4 Nxf3+ 28. Bxf3 dxe4 29. Qc2 Qe7 30. Rc8+ Rf8 31. Rxf8+ Qxf8 32. Bxe4 Bc5 33. Re2 b6 34. Kg2 a5 35. a4 Qd6 36. Qd2 Bd4 37. b3 Rf8 38. Qd3 Kh8 39. Qc4 Bc5 40. Bc2 Rf4 41. Qd3 Qxd3 42. Bxd3 e5 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.27"]
[Round "7"]
[White "Navrodsky, Boris"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2180"]
[BlackElo "1923"]
[PlyCount "90"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Be7 9. b4 0-0 10. b5 Nfd7 11. Bd2 cxb5 12. Bxb5 a6 13. 0-0 Nc6 14. Be2 Rfb8 15. Na4 b5 16. Nc3 b4 17. Na4 Bd8 18. Rfc1 h6 19. b3 Bc7 20. Nb2 a5 21. Ra4 g5 22. h3 Kg7 23. Bd3 Bxd3 24. Nxd3 Rb5 25. Rc2 Rc8 26. Bc1 f5 27. Bb2 Kg6 28. Nd2 e5 29. dxe5 Bxe5 30. Nxe5+ Ncxe5 31. Bd4 Rc6 32. Kf1 Nd3 33. Rca2 N7xc5 34. Rxa5 Rxa5 35. Rxa5 Ne4 36. Nf3 Rc1+ 37. Ke2 Ndxf2 38. Ne5+ Kh5 39. Rxd5 Rc2+ 40. Kf3 Nf6 41. Rc5 Ra2 42. Rc6 N2e4 43. Nd3 Nd2+ 44. Kg3 Nfe4+ 45. Kh2 Nf3+ 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.26"]
[Round "6"]
[White "Nikitin, Sergey E"]
[Black "Zimin, Alexey"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1923"]
[BlackElo "2227"]
[PlyCount "103"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Na3 cxd4 7. Bc4 Qe4+ 8. Be3 Nh6 9. cxd4 0-0 10. Nb5 a6 11. Nc3 Qc6 12. Bb3 Bg4 13. Nd5 Qb5 14. Rc1 Qa5+ 15. Qd2 Qxd2+ 16. Nxd2 Nc6 17. h3 Bd7 18. Nb6 Rad8 19. d5 Ne5 20. Ke2 Bb5+ 21. Ndc4 Nf5 22. a4 Bxc4+ 23. Bxc4 Nxc4 24. Rxc4 Bxb2 25. Rc7 Rfe8 26. Rb1 Bg7 27. Rxb7 e6 28. dxe6 Rxe6 29. Nc4 Nxe3 30. Nxe3 Bh6 31. Rb8 Rxb8 32. Rxb8+ Kg7 33. Kf3 Rf6+ 34. Ke2 Rf4 35. g3 Rxa4 36. f4 Ra3 37. Kf3 g5 38. Rb6 gxf4 39. gxf4 f6 40. h4 Kg6 41. Rb7 a5 42. Kg4 f5+ 43. Nxf5 Bf8 44. h5+ Kf6 45. Rxh7 Ra1 46. Ra7 a4 47. Ra6+ Kf7 48. h6 Rh1 49. Ra7+ Kg6 50. Rxa4 Rg1+ 51. Ng3 Kxh6 52. Ra6+ 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.25"]
[Round "5"]
[White "Vunder, Andrei"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2161"]
[BlackElo "1923"]
[PlyCount "126"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Nbd7 9. b4 Nh5 10. Bc7 Rc8 11. Be5 a6 12. h3 Nhf6 13. Bh2 Be7 14. Nf3 h6 15. Nd2 Bd8 16. Nb3 Bc7 17. Bxc7 Rxc7 18. b5 0-0 19. bxa6 bxa6 20. Na5 Rb8 21. b3 e5 22. Kd2 exd4 23. exd4 Nf8 24. f3 Ne6 25. Ra4 g5 26. g3 Bg6 27. Bd3 Bxd3 28. Kxd3 h5 29. h4 g4 30. f4 Ng7 31. f5 Kf8 32. Rf1 Ke7 33. Ra2 Rb4 34. Re2+ Kd7 35. Re5 Rb8 36. Rfe1 Re8 37. R1e2 Kd8 38. R2e3 Rxe5 39. dxe5 Nd7 40. e6 fxe6 41. fxe6 Nxc5+ 42. Kc2 Ncxe6 43. Re5 Ke7 44. b4 Kd6 45. Re1 Nf5 46. Ne2 c5 47. Kb3 c4+ 48. Kc3 d4+ 49. Nxd4 Nexd4 50. Nxc4+ Kd7 51. Re5 Nb5+ 52. Kd3 Nxg3 53. Rg5 Ke6 54. Rg6+ Kf5 55. Rxa6 Kf4 56. Rf6+ Nf5 57. Nb6 Rc3+ 58. Kd2 Ra3 59. Nc4 Rb3 60. Nb6 g3 61. Re6 g2 62. Nd5+ Kg3 63. Rg6+ Kh2 0-1

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.24"]
[Round "4"]
[White "Nikitin, Sergey E"]
[Black "Makarian, Rudik"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1923"]
[BlackElo "2263"]
[PlyCount "190"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. a4 Qc7 12. Qe2 Bd6 13. Nf3 0-0 14. Bg5 Bd7 15. Bb3 Bc6 16. Rad1 Bxf3 17. Qxf3 Bxh2+ 18. Kh1 Be5 19. Rd3 Rad8 20. Bxf6 Bxf6 21. Rfd1 Rxd3 22. Rxd3 b6 23. c3 Rd8 24. Bc2 a5 25. g3 Be7 26. Kg2 g6 27. Kf1 Bc5 28. Qe4 Rxd3 29. Bxd3 Qd6 30. Ke2 Kg7 31. Bc4 e5 32. f3 f5 33. Qb7+ Qe7 34. Qd5 Kh6 35. Bd3 Qd6 36. Qc4 Kg7 37. Bc2 Qf6 38. Qd5 Qd6 39. Qc4 Bg1 40. Bb3 Qc5 41. Qxc5 Bxc5 42. Bd5 Kf6 43. Bc6 Kg5 44. Kf1 Bd6 45. Kg2 Kf6 46. Kf2 Bc5+ 47. Kg2 Ke7 48. Bd5 h5 49. Kh3 g5 50. g4 hxg4+ 51. fxg4 Kf6 52. gxf5 Kxf5 53. Kg3 e4 54. Bc4 Bd6+ 55. Kg2 Kf4 56. Be2 g4 57. Bd1 g3 58. Bh5 Kg5 59. Bd1 Kf5 60. Bh5 Ke6 61. Bd1 Kd5 62. Bb3+ Kc5 63. Bc2 Kd5 64. Bb3+ Kc5 65. Bc2 e3 66. Bd3 Bf4 67. Be2 Kd5 68. Kf3 Ke6 69. Bd3 Kf6 70. Be2 Kg5 71. Bd3 Kh4 72. Kg2 Bd6 73. Be2 Kg5 74. Kf3 Kh4 75. Kg2 Be7 76. Bf3 Bf8 77. Be2 Bd6 78. Bf3 Kg5 79. Be2 Kf4 80. Bd3 Be5 81. Bb5 Ke4 82. Be2 Bf4 83. Bb5 Bb8 84. Be2 Be5 85. Bb5 Bd6 86. Be2 Be5 87. Bb5 Bf4 88. Be2 Be5 89. Bb5 e2 90. Bxe2 Ke3 91. Bb5 Kd2 92. Be8 Kc2 93. b4 Kxc3 94. bxa5 bxa5 95. Bb5 Kb4 1/2-1/2

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.23"]
[Round "3"]
[White "Nikitin, Sergey E"]
[Black "Khodko, Yurii N"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1923"]
[BlackElo "1583"]
[PlyCount "49"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Nb3 Qb4+ 8. Nbd2 Nc6 9. a3 Qb6 10. b4 Be7 11. Bb2 Bf6 12. 0-0 Bd7 13. Ne4 Ne5 14. Nxe5 Bxe5 15. Nc5 0-0-0 16. Qh5 f6 17. f4 Bb8 18. Qf7 Nh6 19. Nxd7 Rxd7 20. Qxe6 Kd8 21. Qxb6+ axb6 22. Rad1 Re8 23. Bb5 Nf5 24. Bxd7 Kxd7 25. Bxd4 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.22"]
[Round "2"]
[White "Yatzenko, Anton"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2365"]
[BlackElo "1923"]
[PlyCount "93"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 c6 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nd7 7. d3 g6 8. Bg2 Bg7 9. 0-0 Ne7 10. Qe2 0-0 11. f4 Nb6 12. e5 Nf5 13. Qf2 h5 14. Ne2 Qe7 15. Bd2 c5 16. c3 Rac8 17. Rae1 c4 18. d4 Na4 19. Bc1 Nh6 20. Bf3 Kh7 21. g4 hxg4 22. hxg4 Rh8 23. Kg2 Kg8 24. Rh1 Kf8 25. Ng3 Nb6 26. Rh2 Ke8 27. Reh1 Qf8 28. Be3 Kd7 29. Qd2 Rg8 30. f5 Nxf5 31. gxf5 exf5 32. Bh6 Qe7 33. Bg5 Qe6 34. Ne2 Kc6 35. Nf4 Qd7 36. b3 Kc7 37. bxc4 dxc4 38. Qb2 Kb8 39. Rh7 Qe8 40. Nd5 Nxd5 41. Bxd5 b6 42. Qa3 Rc7 43. Rb1 Bxe5 44. Rxb6+ Kc8 45. Qa6+ Kd7 46. Qb5+ Kc8 47. Rb8# 1-0

[Event "Chigorin Memorial 25th"]
[Site "St Petersburg"]
[Date "2017.10.21"]
[Round "1"]
[White "Suleymanli, Aydin Elshan"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2353"]
[BlackElo "1923"]
[PlyCount "129"]
[EventDate "2017.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 Bd6 10. Qe2 0-0 11. Rd1 Qe7 12. e4 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. g3 Rfe8 16. f3 a6 17. Be3 c5 18. Rac1 c4 19. Bb1 Rad8 20. Qf2 Rxd1+ 21. Rxd1 Rd8 22. Bd4 b4 23. Bxe5 Rxd1+ 24. Nxd1 Qxe5 25. Qb6 Qb5 26. Qd8+ Ne8 27. Ne3 Kf8 28. Qd4 c3 29. bxc3 bxc3 30. Bc2 Qe2 31. Bd1 Qe1+ 32. Kg2 a5 33. Nc2 Qd2+ 34. Qxd2 cxd2 35. Kf2 Nd6 36. Na3 f6 37. Ke3 Ke7 38. Kxd2 h5 39. Ke3 g5 40. Bc2 Ke6 41. Kd4 Ke7 42. Bd3 a4 43. Bc2 Bc6 44. Bd3 Bb7 45. Nb1 Bc6 46. Nc3 Ke6 47. Kc5 Bd7 48. Ba6 f5 49. Kd4 g4 50. e5 Ne8 51. f4 h4 52. Bc4+ Ke7 53. Nd5+ Kf8 54. Nf6 Bc6 55. Nxe8 Bxe8 56. e6 hxg3 57. hxg3 Ke7 58. Ke5 a3 59. Kxf5 Ba4 60. Ke5 Bc6 61. f5 Ba4 62. f6+ Ke8 63. Kd6 Kf8 64. e7+ Ke8 65. f7# 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.24"]
[Round "9"]
[White "Zabolotnov, Evgeny"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2015"]
[BlackElo "1827"]
[PlyCount "88"]
[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 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 0-0 7. Be2 Ngxe5 8. Nxe5 Nxe5 9. 0-0 d6 10. b3 Re8 11. Bb2 Bd7 12. Nd5 Bc6 13. Kh1 Qd7 14. Qd2 Bxd5 15. Qxd5 Qc6 16. Qxc6 Nxc6 17. Bf3 a5 18. a3 Ra6 19. Bc3 Rea8 20. Rfb1 f6 21. h4 Kf7 22. g4 Rb6 23. Bd5+ Ke7 24. g5 Nd8 25. gxf6+ gxf6 26. Rg1 Ne6 27. f4 c6 28. Bxe6 Kxe6 29. Rg7 Rxb3 30. f5+ Kxf5 31. Rf1+ Ke4 32. Bxf6 Rxa3 33. Rxh7 Rxe3 34. Re7+ Kd3 35. Rxe3+ Bxe3 36. Rd1+ Kxc4 37. Rxd6 a4 38. h5 Ra5 39. h6 Rh5+ 40. Kg2 Rxh6 41. Kf3 Bc5 42. Re6 Bd4 43. Ke4 Rxf6 44. Rxc6+ Rxc6 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.23"]
[Round "8"]
[White "Nikitin, Sergey E"]
[Black "Burhanov, Vassily"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1827"]
[BlackElo "1974"]
[PlyCount "55"]
[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. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. Be3 Qb6 9. 0-0 cxd4 10. Bxd4 Bc5 11. Bxc5 Qxc5 12. c3 0-0 13. Re1 h6 14. Qa4 b6 15. Rad1 Bb7 16. Ne5 Rfd8 17. Qf4 Qe7 18. a3 g5 19. Qa4 Rd5 20. Bc4 Rxd1 21. Rxd1 Qc7 22. Nd7 Ne8 23. Qb4 Kg7 24. Qf8+ Kg6 25. Bd3+ f5 26. Qe7 Bd5 27. g3 Bc4 28. Bxc4 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.22"]
[Round "7"]
[White "Nakhodkin, Gennadiy"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2001"]
[BlackElo "1827"]
[PlyCount "96"]
[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. Nd2 Bd6 5. Bg3 0-0 6. Ngf3 b6 7. Bd3 Bb7 8. 0-0 Ne4 9. Bxd6 cxd6 10. c4 Nxd2 11. Nxd2 dxc4 12. Bxc4 Nd7 13. Be2 Nf6 14. Bf3 Bxf3 15. Qxf3 d5 16. Qe2 Qd7 17. a4 Rac8 18. Nf3 Qc6 19. Ne5 Qc2 20. Qxc2 Rxc2 21. b4 a6 22. f3 Rfc8 23. b5 a5 24. Nc6 Kf8 25. Rfc1 Rxc1+ 26. Rxc1 Ne8 27. Kf2 Nd6 28. Ke2 f6 29. Kd3 Nc4 30. Rc2 Na3 31. Re2 Nc4 32. e4 Re8 33. g4 Kf7 34. h4 h6 35. e5 g6 36. f4 f5 37. gxf5 gxf5 38. Rg2 h5 39. Rg5 Rh8 40. Na7 Nb2+ 41. Kc2 Nc4 42. Kd3 Nb2+ 43. Kc2 Nc4 44. Rg3 Rg8 45. Rxg8 Kxg8 46. Nc6 Kf7 47. Kd3 Ke8 48. Nb8 Kd8 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.21"]
[Round "6"]
[White "Nikitin, Sergey E"]
[Black "Morozova, Ulia"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1827"]
[BlackElo "2017"]
[PlyCount "120"]
[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. dxe5 dxe5 5. Qxd8+ Kxd8 6. a3 Be6 7. Nf3 Nbd7 8. Ng5 Bc5 9. Nxe6+ fxe6 10. f3 c6 11. Na4 Bb6 12. c4 Nc5 13. Nxc5 Bxc5 14. Bd2 Kc7 15. Bc3 Bd4 16. 0-0-0 Rad8 17. Bxd4 exd4 18. e5 Nh5 19. g3 c5 20. Bh3 Kd7 21. Bg4 g6 22. f4 Ng7 23. h4 Nf5 24. Bxf5 gxf5 25. Rd3 h5 26. Rf1 Kc6 27. a4 Rhg8 28. Kc2 Kb6 29. Ra1 Ka5 30. Raa3 Kb4 31. Rab3+ Kxc4 32. Rxb7 Kd5 33. b3 a5 34. Rc7 Rc8 35. Rd7+ Ke4 36. Rd6 Rgd8 37. Rxe6 c4 38. bxc4 Rxc4+ 39. Kd2 Rxa4 40. Rc6 Rb8 41. Rc2 Rab4 42. Ra3 a4 43. Rc5 R8b6 44. Rc2 Ra6 45. Rca2 Ra7 46. Rc2 Rb1 47. Rc5 Rg1 48. e6 Rg2+ 49. Kd1 d3 50. Re5+ Kd4 51. e7 Rg1+ 52. Kd2 Rg2+ 53. Ke1 d2+ 54. Kd1 Rc7 55. Rxa4+ Kd3 56. Re3+ Kxe3 57. e8Q+ Kf3 58. Qxh5+ Kxg3 59. Ra1 Rg1+ 60. Kxd2 Rxa1 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.20"]
[Round "5"]
[White "Oskin, Iakov"]
[Black "Nikitin, Sergey E"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1472"]
[BlackElo "1827"]
[PlyCount "60"]
[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. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Qc2 Bb7 10. 0-0-0 a6 11. h4 g4 12. Nh2 h5 13. Bf4 Nbd7 14. f3 gxf3 15. gxf3 Rg8 16. e5 Nd5 17. Nxd5 cxd5 18. Qh7 Rg6 19. Qxh5 Qa5 20. Kb1 Qa4 21. Rc1 b4 22. Qh8 b3 23. a3 0-0-0 24. h5 Bxa3 25. Bxc4 dxc4 26. Qxd8+ Kxd8 27. hxg6 Bb4 28. Bg5+ Ke8 29. gxf7+ Kxf7 30. Rc3 Bxc3 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.19"]
[Round "4"]
[White "Nikitin, Sergey E"]
[Black "Lezhepekova, Veronika"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1827"]
[BlackElo "2040"]
[PlyCount "162"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nf6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qa5 11. Qb3 Qb4 12. Qxb4 Bxb4 13. a3 Ba5 14. b4 Bb6 15. Rfd1 0-0 16. h3 Bf5 17. Rac1 Rfd8 18. Na4 Be4 19. Nc5 Ne7 20. Nd2 Bd5 21. Bf3 Nf5 22. g4 Nd6 23. a4 Bxf3 24. Nxf3 Nd5 25. b5 Ba5 26. Rd3 Rac8 27. Ne5 Rc7 28. Nb3 Rxc1+ 29. Bxc1 Bb4 30. Nc5 Rc8 31. Be3 Kf8 32. Rb3 Ke7 33. Kf1 f6 34. Ned3 Bc3 35. Bf4 Nxf4 36. Nxf4 Bxd4 37. Ncxe6 Be5 38. Nc7 Rxc7 39. Nd5+ Kd7 40. Nxc7 Kxc7 41. b6+ axb6 42. Ke2 Ne4 43. Rb4 Nc5 44. f4 Bd6 45. h4 Kc6 46. f5 Bg3 47. g5 Be5 48. Kf3 Bc3 49. Rc4 Be5 50. Rb4 Na6 51. Rb5 Nc7 52. Rb1 Nd5 53. Rh1 Nc3 54. g6 h5 55. Re1 Kd5 56. Ra1 Bd6 57. Re1 Nxa4 58. Re8 Nc5 59. Rg8 Ke5 60. Rxg7 Kxf5 61. Rxb7 Kxg6 62. Rxb6 Be5 63. Rc6 Nd3 64. Rc8 Kf5 65. Rh8 Nf4 66. Rh6 Bc3 67. Rh8 Be1 68. Rc8 Ng6 69. Rc5+ Ne5+ 70. Kg2 Kg4 71. Rb5 Kxh4 72. Rb6 Kg5 73. Rb5 h4 74. Rd5 Bg3 75. Rd4 f5 76. Ra4 f4 77. Kh3 f3 78. Rg4+ Kf5 79. Re4 f2 80. Rxe5+ Kxe5 81. Kg2 h3+ 0-1

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.18"]
[Round "3"]
[White "Lysenko, Viktoria"]
[Black "Nikitin, Sergey E"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2025"]
[BlackElo "1827"]
[PlyCount "90"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Ne7 8. Bb5+ Nd7 9. Bg5 Bg6 10. 0-0 a6 11. Ba4 b5 12. Bb3 Nxe5 13. f4 Nc4 14. f5 exf5 15. Nc3 f6 16. Bf4 Bf7 17. Re1 g5 18. Bg3 f4 19. Bxc4 bxc4 20. Bf2 Qd7 21. b3 Bg7 22. Na4 Rb8 23. Nc5 Qc8 24. Nde6 Bf8 25. Qd4 Bxe6 26. Rxe6 Rg8 27. Qxd5 Rg6 28. Qxc4 f5 29. Rae1 Rb6 30. Qa4+ Kf7 31. Rxb6 Rxb6 32. Nd7 Rd6 33. Ne5+ Kg8 34. c4 Re6 35. c5 Bg7 36. Qc4 Bxe5 37. Rxe5 Kf7 38. Bd4 Nc6 39. Rd5 Qe8 40. Bf2 Kg6 41. Qc1 Qe7 42. h4 h6 43. a3 Ne5 44. Qc2 gxh4 45. Qd2 Qg5 1/2-1/2

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.17"]
[Round "2"]
[White "Shimelkov, Vasiliy"]
[Black "Nikitin, Sergey E"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2221"]
[BlackElo "1827"]
[PlyCount "60"]
[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. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. a3 Bb7 10. Be2 Nbd7 11. 0-0 Nh5 12. e5 Nxg3 13. fxg3 Be7 14. b3 cxb3 15. Qxb3 0-0 16. Rad1 Qb6 17. Kh1 a6 18. Bd3 c5 19. Bb1 Rfd8 20. dxc5 Qxc5 21. Bg6 Bxf3 22. Bxf7+ Kxf7 23. Rxf3+ Kg7 24. Rxd7 Rxd7 25. Qxe6 Rf8 26. Qxd7 Qxe5 27. Qd2 Bxa3 28. h4 gxh4 29. Qd7+ Kh8 30. Qc6 Bd6 1-0

[Event "St Petersburg Summer op"]
[Site "St Petersburg"]
[Date "2017.08.16"]
[Round "1"]
[White "Nikitin, Sergey E"]
[Black "Anchutin, Nikita"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1827"]
[BlackElo "2262"]
[PlyCount "104"]
[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. c3 g6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Bc4 Bg7 7. Qb3 e6 8. d5 Qb6 9. Nxe4 Qxb3 10. Bxb3 Nf6 11. Nd6+ Ke7 12. Nb5 Na6 13. dxe6 Bxe6 14. Bxe6 fxe6 15. Nf3 Nd5 16. Bg5+ Kd7 17. 0-0-0 Nab4 18. a3 Nc6 19. Rhe1 Rhf8 20. Re2 Rac8 21. Kb1 a6 22. Nbd4 Nxd4 23. Nxd4 Bxd4 24. Rxd4 Rc6 25. f3 Rfc8 26. Rh4 h5 27. g4 Rc4 28. gxh5 Rxh4 29. Bxh4 gxh5 30. Re5 Nf4 31. Bg3 Rf8 32. Kc2 h4 33. Bxh4 Ng6 34. Re4 Nxh4 35. Rxh4 Rxf3 36. Rh7+ Kc6 37. h4 Rh3 38. h5 b6 39. Re7 Kd6 40. Rb7 Kc5 41. Re7 Kd5 42. Ra7 Rxh5 43. Rxa6 Kc5 44. Ra4 e5 45. Rb4 Rf5 46. Kd2 Rf4 47. Rb3 Rh4 48. Rd3 Rd4 49. Kc3 Rc4+ 50. Kd2 e4 51. Rc3 b5 52. b3 Rxc3 1/2-1/2

