[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.30"]
[Round "9"]
[White "Sergeyev, Dmitriy"]
[Black "Adilbekuly, Altair"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1862"]
[BlackElo "1819"]
[PlyCount "112"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. Be2 exd5 9. cxd5 Bg4 10. h3 Bxf3 11. Bxf3 Re8 12. g4 b5 13. g5 Nfd7 14. Kf1 b4 15. Ne2 Nb6 16. Rb1 a5 17. h4 Qd7 18. h5 Ra7 19. Ng3 Qa4 20. Qxa4 Nxa4 21. e5 dxe5 22. f5 gxf5 23. Nxf5 e4 24. Nd6 Rd8 25. Nxe4 Nd7 26. b3 Nc3 27. Nxc3 bxc3 28. Be3 a4 29. b4 Rb7 30. b5 Ne5 31. Be4 Nc4 32. Bf4 Na3 33. Rc1 Rxb5 34. Bc7 Re8 35. d6 Rxe4 36. d7 Rd4 37. d8Q+ Rxd8 38. Bxd8 Bd4 39. Rh2 Rb2 40. Re2 h6 41. gxh6 Nc4 42. Bg5 Nd2+ 43. Bxd2 cxd2 44. Rd1 Bc3 45. Re3 Ba5 46. Re5 Bb4 47. Ke2 Rxa2 48. Rg1+ Kh7 49. Rg7+ Kxh6 50. Rxf7 Ra1 51. Rf6+ Kh7 52. Re7+ Kg8 53. Rd7 Re1+ 54. Kf2 d1Q 55. Rxd1 Rxd1 56. Ke2 Rh1 0-1

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.29"]
[Round "8"]
[White "Bekbol, Beibarys"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1734"]
[BlackElo "1862"]
[PlyCount "174"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. a4 d6 6. Bb5 Bd7 7. 0-0 Nf6 8. d3 0-0 9. h3 Nd4 10. Bc4 Bc6 11. Be3 d5 12. exd5 Nxd5 13. Bxd4 cxd4 14. Nxd5 Bxd5 15. Nd2 Rc8 16. f5 Bh6 17. Bxd5 Qxd5 18. fxg6 hxg6 19. Nc4 Rxc4 20. dxc4 Qxc4 21. Kh1 e5 22. Re1 Re8 23. Qd3 Qxd3 24. cxd3 Bf4 25. Re2 Rc8 26. Kg1 Bg3 27. Kf1 f5 28. Rd2 Bf4 29. Re2 Bg3 30. Rd2 Bf4 31. Re2 Be3 32. g3 Kf7 33. Kg2 Ke6 34. Ra3 Kd5 35. Rb3 b6 36. g4 e4 37. gxf5 exd3 38. Rxd3 Ke4 39. Rxd4+ Kxd4 40. fxg6 Rc6 41. g7 Rg6+ 42. Kf3 Bg5 43. h4 Rxg7 44. hxg5 Rxg5 45. b4 Rf5+ 46. Kg4 Rf7 47. Rc2 Kd3 48. Rc1 Kd4 49. a5 Kd5 50. axb6 axb6 51. b5 Rf6 52. Kg5 Re6 53. Kf5 Rh6 54. Kg5 Rd6 55. Kf5 Kd4 56. Kf4 Rd5 57. Rb1 Kc4 58. Ke4 Rxb5 59. Rc1+ Kb4 60. Rb1+ Kc5 61. Rc1+ Kd6 62. Rg1 Rc5 63. Kd4 Kc6 64. Rf1 Kb5 65. Rb1+ Ka6 66. Ra1+ Kb7 67. Rf1 Rc7 68. Rb1 Rc6 69. Rb2 Ka6 70. Ra2+ Kb5 71. Kd5 Rc3 72. Rb2+ Ka6 73. Ra2+ Kb7 74. Rb2 Kc7 75. Rb1 Rc5+ 76. Kd4 Kc6 77. Rf1 Rc2 78. Kd3 Rh2 79. Kc3 Kb5 80. Kb3 Rh3+ 81. Kb2 Kb4 82. Rf4+ Ka5 83. Re4 b5 84. Rf4 b4 85. Rg4 Ka4 86. Rg2 Rf3 87. Rh2 Rg3 1/2-1/2

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.28"]
[Round "7"]
[White "Sergeyev, Dmitriy"]
[Black "Shudabay, Almas"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1862"]
[BlackElo "1795"]
[PlyCount "81"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Bd6 6. Bd3 0-0 7. 0-0 Nbd7 8. Re1 e5 9. cxd5 cxd5 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 Bb4 13. Bd2 Bxd2 14. Qxd2 Nf6 15. Bc4 b5 16. Bxb5 Qxd5 17. Re5 Qd8 18. Qxd4 Bb7 19. Qxd8 Rfxd8 20. Re7 Rab8 21. Bc4 Bd5 22. Bxd5 Nxd5 23. Rxa7 Rxb2 24. Rd1 Re8 25. g3 Nc3 26. Rd2 Rxd2 27. Nxd2 f6 28. a4 Re2 29. Nc4 Ne4 30. a5 Nxf2 31. a6 Ra2 32. Nd6 Kf8 33. Rf7+ Kg8 34. Re7 Nh3+ 35. Kf1 g5 36. a7 Ra1+ 37. Ke2 Ng1+ 38. Ke3 Re1+ 39. Kf2 Rxe7 40. a8Q+ Kg7 41. Nf5+ 1-0

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.27"]
[Round "6"]
[White "Urazayev, Alibek"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1783"]
[BlackElo "1862"]
[PlyCount "104"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. b3 cxd4 7. exd4 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Be7 11. Nbd2 0-0 12. Bg5 h6 13. Bh4 Rfe8 14. Ne5 Nxe5 15. dxe5 Nd7 16. Bg3 Rac8 17. Rac1 Bg5 18. Kh1 Nc5 19. Qd4 Ne4 20. Qxb6 axb6 21. Nxe4 Bxc1 22. Nd6 Bb2 23. c4 dxc4 24. Nxe8 Rxe8 25. bxc4 Rc8 26. Rd1 Rxc4 27. Rd8+ Kh7 28. h4 Rd4 29. Rf8 Rd7 30. a4 Kg6 31. Rg8 h5 32. Kg1 Rd1+ 33. Kh2 Rd4 34. Ra8 Bc3 35. f3 Rc4 36. Ra7 Bd4 37. Rxb7 Rxa4 38. Bf4 Bc5 39. g3 Ra2+ 40. Kh1 Rf2 41. Bg5 Rxf3 42. Kg2 Rf2+ 43. Kh3 Re2 44. Bd8 Bg1 45. g4 hxg4+ 46. Kxg4 Re4+ 47. Kf3 Rxe5 48. Bc7 Rd5 49. Kg4 Rd4+ 50. Kh3 Rd7 51. Kg4 Bh2 52. h5+ Kh7 0-1

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.26"]
[Round "5"]
[White "Sergeyev, Dmitriy"]
[Black "Mukashev, Alrami"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1862"]
[BlackElo "1712"]
[PlyCount "85"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qd3 Qc7 16. Ne5 Bd6 17. Qe2 0-0-0 18. c4 Kb8 19. Bc3 Rhf8 20. f4 Nd7 21. Qg4 Nxe5 22. dxe5 Bc5 23. Kb1 Rxd1+ 24. Rxd1 Rd8 25. Kc2 Rxd1 26. Qxd1 Qe7 27. b4 Bb6 28. Qd6+ Qxd6 29. exd6 f6 30. c5 Bd8 31. g4 Kc8 32. Kd3 Kd7 33. g5 Ke8 34. gxh6 gxh6 35. f5 Kf7 36. Bd2 e5 37. Bxh6 a5 38. a3 axb4 39. axb4 b6 40. cxb6 Bxb6 41. Be3 Bd8 42. Ba7 Kg7 43. Bb8 1-0

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.25"]
[Round "4"]
[White "Makhfuzov, Alisher"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1717"]
[BlackElo "1862"]
[PlyCount "88"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nc6 5. Bd3 e5 6. Bc2 d5 7. exd5 Qxd5 8. d3 Be6 9. Qe2 0-0-0 10. 0-0 h6 11. Re1 Bf5 12. c4 Qd7 13. Nxe5 Nxe5 14. Qxe5 Bd6 15. Qe2 Rhe8 16. Qf1 Rxe1 17. Qxe1 Bxh3 18. Bd1 Re8 19. Qf1 Bf5 20. Be2 Qe7 21. Nc3 Ng4 22. g3 h5 23. Nb5 Bb8 24. Nc3 h4 25. Bxg4 Bxg4 26. Nd5 Qe1 27. Bf4 Qxf1+ 28. Rxf1 Bh3 29. Rd1 hxg3 30. fxg3 Re2 31. b4 Rg2+ 32. Kh1 Rxa2 33. bxc5 Bxf4 34. Nxf4 Bg4 35. Re1 Bf3+ 36. Kg1 g5 37. Nd5 Bxd5 38. cxd5 Rc2 39. d4 Rd2 40. Re8+ Kd7 41. Rb8 Rxd4 42. Rxb7+ Kc8 43. Rxa7 Rxd5 44. Rxf7 Rxc5 1/2-1/2

[Event "Aktobe Dvorkovich U1900 op"]
[Site "Aktobe"]
[Date "2025.06.22"]
[Round "1"]
[White "Sergeyev, Dmitriy"]
[Black "Bekpaev, Sayat"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1862"]
[BlackElo "1556"]
[PlyCount "49"]
[EventDate "2025.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CB27_2025"]
[SourceDate "2025.07.02"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 a6 6. f3 Nc6 7. Nge2 e5 8. dxe5 Nxe5 9. Nf4 Bd7 10. 0-0-0 Bc6 11. Nfd5 b5 12. Bg5 h6 13. Be3 Nxd5 14. Nxd5 Bb7 15. Qc3 Bxd5 16. exd5 0-0 17. Qd2 Qh4 18. f4 Ng4 19. Bd4 Bxd4 20. Qxd4 Qf2 21. Rd2 Qe1+ 22. Rd1 Qf2 23. Rd2 Qe1+ 24. Rd1 Qf2 25. Rd2 1/2-1/2

[Event "Atyrau op"]
[Site "Atyrau"]
[Date "2022.08.18"]
[Round "3"]
[White "Sergeyev, Dmitriy"]
[Black "Amonatov, Farrukh"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1889"]
[BlackElo "2620"]
[PlyCount "127"]
[EventDate "2022.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "KAZ"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 Nh6 11. c5 g5 12. Bg3 g4 13. Nh4 exd4 14. Qxd4 Nxc5 15. Nf5 Re8 16. b4 Ne6 17. Qd1 Ng5 18. Nxh6+ Bxh6 19. Bxg4 Bxg4 20. Qxg4 Qc8 21. Qh4 Bg7 22. Rac1 Qd7 23. Rfe1 c6 24. Red1 Nf7 25. Rd3 Rad8 26. Bf4 h6 27. Qh5 Ng5 28. Rxd6 Qe7 29. Rxd8 Rxd8 30. Qg6 Qxb4 31. h4 Nf7 32. Ne2 Ne5 33. Bxe5 fxe5 34. Ng3 Qd6 35. Qg4 Kh7 36. h5 Qf6 37. Rb1 b6 38. Rd1 Rxd1+ 39. Qxd1 Qf7 40. Qd6 c5 41. Nf5 c4 42. Qc6 Bf8 43. a4 Qxh5 44. Qc7+ Kg8 45. Qxc4+ Qf7 46. Qc8 Kh7 47. Qb8 Bg7 48. Qd6 Qb7 49. f3 Qf7 50. Qb8 Qd7 51. Kh2 Bf6 52. Qf8 Bg7 53. Nxg7 Qxg7 54. Qf5+ Kg8 55. Qc8+ Kf7 56. Qd7+ Kf6 57. Qd8+ Kg6 58. Qe8+ Kf6 59. Qd8+ Kg6 60. Qe8+ Kf6 61. g3 Qf7 62. Qh8+ Kg6 63. Kg2 Qa2+ 64. Kh3 1/2-1/2

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.16"]
[Round "9"]
[White "Makarova, Darya"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1822"]
[BlackElo "2030"]
[PlyCount "70"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 d6 5. b4 c5 6. a3 0-0 7. Bb2 cxd4 8. exd4 a5 9. Be2 axb4 10. axb4 Rxa1 11. Bxa1 d5 12. c5 Ne4 13. 0-0 Nd7 14. Ne5 Qc7 15. Nxd7 Bxd7 16. Nd2 Ra8 17. Nxe4 dxe4 18. Qc2 Bc6 19. Bc4 Qd7 20. Qd2 Bd5 21. Bxd5 Qxd5 22. Bc3 Ra2 23. Qe3 Qc4 24. Ra1 Bh6 25. Qe1 f5 26. Rxa2 Qxa2 27. Qa1 Qd5 28. h3 e3 29. fxe3 Bxe3+ 30. Kh1 f4 31. Qd1 e5 32. b5 exd4 33. c6 bxc6 34. b6 dxc3 35. Qc2 Bxb6 0-1

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.15"]
[Round "8"]
[White "Sergeyev, Dmitriy"]
[Black "Kosyrev, Nikita"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2030"]
[BlackElo "1833"]
[PlyCount "53"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Bb7 9. Bd3 Be7 10. Nc3 0-0 11. Qh3 h6 12. Nge4 Nd5 13. Nxd5 cxd5 14. Ng3 e4 15. Be2 Bc5 16. 0-0 Bc8 17. Bg4 Ba6 18. d3 exd3 19. Nf5 Qf6 20. cxd3 Nc6 21. Bf4 Nd4 22. Be3 Qb6 23. b4 Qxb4 24. Bxh6 Nxf5 25. Bxf5 g6 26. Bxf8 Rxf8 27. Bxg6 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.14"]
[Round "7"]
[White "Severina, Maria"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2232"]
[BlackElo "2030"]
[PlyCount "103"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. e4 Nxe4 5. dxc5 Nxc5 6. Nf3 e6 7. Nc3 exd5 8. Qxd5 Qxd5 9. Nxd5 Nba6 10. Ne5 Bd6 11. Bb5+ Kf8 12. Bf4 Ne4 13. Bxa6 bxa6 14. f3 g5 15. fxe4 gxf4 16. Nd3 Bb7 17. 0-0 Re8 18. Nf6 Rd8 19. Nxf4 Be5 20. N6d5 Bxd5 21. Nxd5 Bxb2 22. Rab1 Bd4+ 23. Kh1 Rd7 24. Nf6 Bxf6 25. Rxf6 Kg7 26. Rxa6 Re8 27. Ra4 Rb8 28. Rf1 Rb2 29. h3 Re2 30. Rf4 Rc7 31. Kh2 Kf8 32. Kg3 Kg7 33. Rf2 Rc3+ 34. Rf3 Rc7 35. h4 Rcc2 36. Rxa7 Rxg2+ 37. Kh3 Rh2+ 38. Kg4 Rhg2+ 39. Kh5 Rc5+ 40. Rf5 Rxf5+ 41. exf5 Rg3 42. Ra6 Kf8 43. f6 Ke8 44. Kh6 Rh3 45. h5 Rh2 46. a4 Rh4 47. Ra8+ Kd7 48. Kxh7 Rxh5+ 49. Kg7 Rg5+ 50. Kxf7 Rg1 51. a5 Rg5 52. a6 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.13"]
[Round "6"]
[White "Fakhretdinov, Rinat"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2215"]
[BlackElo "2030"]
[PlyCount "53"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d5 4. exd5 Nf6 5. Nf3 Nxd5 6. Nxd5 Qxd5 7. c4 Qd8 8. Be2 0-0 9. h3 Bf5 10. 0-0 Nc6 11. Be3 e5 12. d5 e4 13. dxc6 exf3 14. Bxf3 bxc6 15. Qa4 Bxb2 16. Rad1 Qf6 17. Bxc6 Rad8 18. Bc5 Rxd1 19. Rxd1 Rd8 20. Rxd8+ Qxd8 21. Qxa7 Qd1+ 22. Kh2 Be5+ 23. g3 Qf1 24. Qa8+ Kg7 25. Qf8+ Kf6 26. Qe7+ Kg7 27. Qxe5+ 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.12"]
[Round "5"]
[White "Sergeyev, Dmitriy"]
[Black "Filipenko, Alexander V"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2030"]
[BlackElo "2286"]
[PlyCount "80"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Ba4 a6 6. c4 e5 7. d3 g6 8. Nc3 Bg7 9. Nd5 0-0 10. Be3 d6 11. Qd2 Nxd5 12. cxd5 b5 13. Bxb5 axb5 14. dxc6 Qb6 15. b4 Qxc6 16. Rfc1 c4 17. dxc4 bxc4 18. Qc2 Qa4 19. Qxa4 Rxa4 20. Rxc4 Be6 21. Rc6 Rxb4 22. Rxd6 Ra8 23. Bd2 Rba4 24. Bc3 Rxe4 25. a4 Rc4 26. Bxe5 Bxe5 27. Nxe5 Raxa4 28. Rdd1 Rd4 29. h3 h5 30. Nf3 Rxd1+ 31. Rxd1 Kg7 32. Nd4 Kf6 33. Nxe6 Kxe6 34. Rb1 Ra5 35. h4 Kf5 36. g3 Rc5 37. Kg2 Ra5 38. Rb4 Kf6 39. Rf4+ Kg7 40. Rb4 Rc5 1/2-1/2

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.11"]
[Round "4"]
[White "Sergeyev, Dmitriy"]
[Black "Kalashnikova, Elena"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2030"]
[BlackElo "1722"]
[PlyCount "77"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 Ngf6 5. Re1 a6 6. Bf1 e6 7. c3 b5 8. d4 Be7 9. Bf4 Nh5 10. Be3 Nhf6 11. Bf4 Nh5 12. Be3 Nhf6 13. Nbd2 Bb7 14. Bd3 0-0 15. Rc1 Rc8 16. h3 h6 17. Qe2 c4 18. Bc2 Nb6 19. Bf4 d5 20. e5 Nh7 21. Qe3 g5 22. Bg3 Kg7 23. Nh2 a5 24. f4 Bc6 25. Rf1 b4 26. Ng4 bxc3 27. bxc3 a4 28. Nf3 a3 29. h4 gxh4 30. f5 Bg5 31. f6+ Kh8 32. Bf4 Rg8 33. Nxh6 Bxh6 34. Bxh6 h3 35. Ng5 Nxg5 36. Bxg5 Rg6 37. Qxh3+ Kg8 38. Bxg6 fxg6 39. f7+ 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.10"]
[Round "3"]
[White "Natacheev, Peter"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2297"]
[BlackElo "2030"]
[PlyCount "81"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 e6 5. Qd4 Nc6 6. Bb5 Ne4 7. b4 Be7 8. Ne2 0-0 9. Qb2 Bf6 10. c3 e5 11. Bg3 a5 12. a3 Bd7 13. 0-0 Nxg3 14. Nxg3 axb4 15. axb4 Rxa1 16. Qxa1 Qc7 17. Rd1 Be6 18. e4 d4 19. Nd2 Rd8 20. Nc4 dxc3 21. Rxd8+ Qxd8 22. Qxc3 Qd1+ 23. Nf1 Nd4 24. Nce3 Qb1 25. Bd3 Qa2 26. Nc2 g6 27. Qa3 Nxc2 28. Qxa2 Bxa2 29. Bxc2 Bc4 30. Ne3 Bb5 31. Bb3 Bd8 32. Bc4 Ba4 33. Nd5 Bc6 34. Nc3 Kf8 35. Kf1 f5 36. f3 fxe4 37. fxe4 Ke7 38. Ke2 Kf6 39. Ke3 Kg5 40. Bd5 Kf6 41. b5 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.09"]
[Round "2"]
[White "Sergeyev, Dmitriy"]
[Black "Kuznetsov, Vladimir"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2030"]
[BlackElo "1653"]
[PlyCount "59"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 Nc6 5. Qd2 e5 6. dxe5 Nxe5 7. f4 Ng4 8. Bd4 N8f6 9. 0-0-0 0-0 10. h3 Nh6 11. g4 Nhxg4 12. hxg4 Bxg4 13. Be2 Bxe2 14. Ngxe2 c5 15. Bxf6 Bxf6 16. Qxd6 Bxc3 17. Nxc3 Qa5 18. Qf6 Qb6 19. Nd5 Qxf6 20. Nxf6+ Kg7 21. e5 h6 22. Rxh6 Rh8 23. Rxh8 Rxh8 24. Rd7 Rh4 25. Nd5 g5 26. e6 gxf4 27. e7 Rh1+ 28. Kd2 Rh2+ 29. Ke1 Rh1+ 30. Kf2 1-0

[Event "Samara Polugaevsky Memorial 7th"]
[Site "Samara"]
[Date "2017.07.08"]
[Round "1"]
[White "Kozionov, Kirill"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2440"]
[BlackElo "2030"]
[PlyCount "53"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6 6. g3 Bc7 7. d6 Ba5 8. Bg2 0-0 9. Nh3 Nc6 10. 0-0 Bxc3 11. bxc3 b6 12. Re1 Bb7 13. e4 Kh8 14. e5 Ng8 15. Ng5 Qe8 16. Be4 Nd8 17. Bxh7 Ne6 18. Be4 Bxe4 19. Rxe4 Nh6 20. Rh4 Nxg5 21. Bxg5 Qe6 22. Qd2 Kh7 23. Re1 Rae8 24. Bf6 Rh8 25. Qg5 Rhg8 26. Ree4 Qxa2 27. Qf5+ 1-0

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.11"]
[Round "9"]
[White "Asatryan, Gor"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1956"]
[BlackElo "2054"]
[PlyCount "72"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 Nc6 5. Nf3 g6 6. 0-0 Bg7 7. h3 0-0 8. Be3 cxd4 9. cxd4 Nb4 10. Nc3 Nxd3 11. Qxd3 d5 12. e5 Ne8 13. Nd2 Nc7 14. Rfc1 Bf5 15. Qe2 Qd7 16. Nb3 b6 17. Qd2 Rfc8 18. Bh6 Bh8 19. Ne2 f6 20. f4 a5 21. Qe3 Na6 22. a3 Qb5 23. g4 Qd3 24. Qxd3 Bxd3 25. Nc3 Rd8 26. Na4 Bc4 27. Nxb6 Bxb3 28. Nxa8 Rxa8 29. a4 Bc4 30. Ra3 Nb4 31. b3 Ba6 32. Rc7 Kf7 33. Ra1 g5 34. exf6 Bxf6 35. Bxg5 Bxd4+ 36. Kg2 Bxa1 0-1

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.10"]
[Round "8"]
[White "Sergeyev, Dmitriy"]
[Black "Velichko, Arseny"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2054"]
[BlackElo "2219"]
[PlyCount "120"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. 0-0 g5 9. dxc5 g4 10. Nd4 Ndxe5 11. Bb5 Bd7 12. N2b3 h5 13. Bf4 Ng6 14. Bd6 Bxd6 15. cxd6 Nxd4 16. Nxd4 Bxb5 17. Nxb5 0-0 18. Qd3 Qd7 19. f4 Nh4 20. c4 dxc4 21. Qxc4 Rac8 22. Qd3 Rfd8 23. Rad1 Nf5 24. Rfe1 a6 25. Nd4 Qxd6 26. Nxf5 Qxd3 27. Rxd3 exf5 28. Rxd8+ Rxd8 29. Kf2 h4 30. g3 h3 31. Ke3 Kg7 32. Rc1 Kf6 33. Ke2 Rd5 34. Rc7 Rb5 35. b3 Ke6 36. Kd3 Rb6 37. Kd2 Rd6+ 38. Ke2 b6 39. b4 a5 40. bxa5 bxa5 41. Rb7 Rd4 42. Rb6+ Kd7 43. a3 Ra4 44. Rb4 Kc6 45. Kd3 Kc5 46. Rb3 Kd5 47. Kd2 Rc4 48. Re3 Rd4+ 49. Kc2 Re4 50. Rd3+ Kc5 51. Rd2 Kc4 52. Kb2 Re3 53. Rc2+ Kd4 54. Rd2+ Ke4 55. a4 Kf3 56. Rd5 Re2+ 57. Kb3 Rxh2 58. Rxa5 Re2 59. Rxf5 h2 60. Rh5 Kg2 0-1

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.09"]
[Round "7"]
[White "Lingur, Zalina"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2182"]
[BlackElo "2054"]
[PlyCount "160"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 c5 3. Nf3 d5 4. dxc5 e6 5. Nc3 Bxc5 6. e3 0-0 7. cxd5 exd5 8. Be2 a6 9. 0-0 Nc6 10. a3 d4 11. exd4 Nxd4 12. Nxd4 Qxd4 13. Qxd4 Bxd4 14. Bf3 Re8 15. h3 Rb8 16. Bf4 Be5 17. Be3 Be6 18. Rac1 Bb3 19. Rfe1 h6 20. Bb6 Bf4 21. Ra1 Bd2 22. Rxe8+ Rxe8 23. Bd4 Bxc3 24. Bxc3 Bd5 25. Bxd5 Nxd5 26. Bd2 Rc8 27. Rc1 Rxc1+ 28. Bxc1 Kf8 29. Kf1 Ke7 30. Ke2 Ke6 31. Kd3 b5 32. b3 f6 33. Kd4 Kd6 34. Bd2 h5 35. h4 g6 36. f3 Kc6 37. g4 Kd6 38. Bh6 a5 39. Bf8+ Ke6 40. Kc5 Nc3 41. gxh5 gxh5 42. Bh6 Ke5 43. Bd2 Nb1 44. Bc1 b4 45. axb4 axb4 46. Kxb4 Kd5 47. Ka5 Kc6 48. b4 Nc3 49. Bb2 Nd5 50. Bd4 f5 51. b5+ Kb7 52. Ka4 Nf4 53. Kb3 Ng6 54. Bf6 Nf4 55. Kc4 Ne2 56. Be5 Kb6 57. Bd4+ Kb7 58. Be3 f4 59. Bf2 Nc1 60. Bd4 Ne2 61. Kd5 Kc7 62. Ke4 Kd6 63. Be5+ Kc5 64. Bxf4 Kxb5 65. Be5 Kc6 66. Kf5 Kd5 67. Bb2 Ng1 68. Kf4 Ke6 69. Ba1 Nh3+ 70. Ke4 Nf2+ 71. Ke3 Nh3 72. f4 Kf5 73. Be5 Kg4 74. f5 Kxf5 75. Bg3 Kg4 76. Be1 Nf4 77. Bf2 Ng2+ 78. Ke2 Nxh4 79. Bxh4 Kxh4 80. Kf2 Kh3 1/2-1/2

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.08"]
[Round "6"]
[White "Sevastianov, Viktor"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1904"]
[BlackElo "2054"]
[PlyCount "86"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 Be6 9. b4 a5 10. b5 Nd4 11. Nxd4 exd4 12. Na4 Bd5 13. Nxb6 cxb6 14. Qa4 Bxg2 15. Kxg2 Qd5+ 16. f3 Rc8 17. d3 Qe5 18. Bb2 Qxe2+ 19. Rf2 Qxd3 20. Qxd4 Qxd4 21. Bxd4 0-0 22. Bxb6 a4 23. Re2 Bc5 24. Bxc5 Rxc5 25. Re4 Ra8 26. Rb4 Rc2+ 27. Kh3 Rc3 28. f4 g6 29. Ra2 Ra5 30. Ra1 Kg7 31. Kg4 Kf6 32. Rb2 Re3 33. Kh3 Ke6 34. Kg2 Rb3 35. Rxb3 axb3 36. Kf2 b2 37. Rb1 Rxa3 38. Kg2 Rb3 39. Kh3 Rxb5 40. Kg4 Kd5 41. Kg5 Kc4+ 42. Kf6 Rf5+ 43. Kg7 Kc3 0-1

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.07"]
[Round "5"]
[White "Sergeyev, Dmitriy"]
[Black "Galaktionov, Artem"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2054"]
[BlackElo "2269"]
[PlyCount "98"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. b4 c6 2. Bb2 Qb6 3. a3 a5 4. c4 d6 5. Nc3 axb4 6. Na4 Qc7 7. axb4 Nf6 8. Nf3 Nbd7 9. g3 e5 10. Bg2 Be7 11. 0-0 0-0 12. Qc2 d5 13. cxd5 Nxd5 14. Ng5 Bxg5 15. Bxd5 Qd6 16. Be4 Qxd2 17. Bxh7+ Kh8 18. Bc3 Qxc2 19. Bxc2 Be7 20. Nb2 Rxa1 21. Rxa1 Nb6 22. e4 f6 23. Bb3 Bg4 24. Kg2 Be2 25. Re1 Bb5 26. Ra1 Rd8 27. Kf3 Kh7 28. h4 Na8 29. Rd1 Rxd1 30. Nxd1 Nc7 31. Ne3 Na6 32. Nc2 Bd3 33. Ke3 Bxc2 34. Bxc2 Bxb4 35. Bb2 Bc5+ 36. Ke2 b5 37. Bd3 Kg8 38. f4 Bd6 39. f5 Bb4 40. g4 Nc7 41. g5 c5 42. g6 c4 43. Bb1 Bc5 44. Ba2 Ne8 45. h5 Nd6 46. Bb1 b4 47. Bc1 b3 48. Bd2 Nb5 49. Ba5 Na3 0-1

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.06"]
[Round "4"]
[White "Palin, Denis"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "2194"]
[BlackElo "2054"]
[PlyCount "62"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. Nf3 cxd4 5. Qxd4 Qxd5 6. Nc3 Qxd4 7. Nxd4 e5 8. Ndb5 Na6 9. Bg5 Bd7 10. e4 Bc6 11. Bxf6 gxf6 12. Bc4 Bb4 13. 0-0-0 Ke7 14. Kb1 Bxc3 15. Nxc3 Nc7 16. Rd2 Rad8 17. Rhd1 Rxd2 18. Rxd2 Ne6 19. Bxe6 fxe6 20. Kc2 Rg8 21. g3 h5 22. Kd3 f5 23. Ke3 h4 24. Re2 Kf6 25. gxh4 Rh8 26. f3 Rxh4 27. Rg2 Kf7 28. Kd3 Rh3 29. Ke3 Rh4 30. Kd3 Rh3 31. Ke3 Rh4 1/2-1/2

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.05"]
[Round "3"]
[White "Sergeyev, Dmitriy"]
[Black "Makhlin, Miron"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2054"]
[BlackElo "1738"]
[PlyCount "64"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. 0-0 0-0 8. Bg5 a6 9. Qd2 b6 10. Bh6 Bb7 11. Bxg7 Kxg7 12. d4 cxd4 13. Nxd4 Qc7 14. Rad1 Rfd8 15. f4 f5 16. Nd5 Nxd5 17. exd5 Nxd4 18. Qxd4+ Kf7 19. Rfe1 e5 20. d6 Qxc2 21. Bd5+ Bxd5 22. Qxd5+ Kf8 23. Rxe5 Qc5+ 24. Qxc5 bxc5 25. Rxc5 Rab8 26. b3 Rb6 27. Kf2 Kf7 28. Re5 Rc6 29. Re2 Kg8 30. Ke3 h5 31. Rd3 Kf7 32. Kd2 Rb6 1-0

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.04"]
[Round "2"]
[White "Trifonov, Jaroslav"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1715"]
[BlackElo "2054"]
[PlyCount "109"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Nf6 7. a3 Be7 8. Be2 b5 9. f3 Bb7 10. 0-0 d6 11. Qe1 Nbd7 12. Qg3 0-0 13. Rfd1 Ne5 14. Nb3 d5 15. Bd4 Nfd7 16. Bxe5 Qxe5 17. Qxe5 Nxe5 18. exd5 exd5 19. Nxd5 Bxd5 20. Rxd5 Ng6 21. g3 Rfd8 22. Rad1 Rxd5 23. Rxd5 Rd8 24. Rxd8+ Bxd8 25. Kf1 Bb6 26. f4 Ne7 27. Bf3 Nf5 28. Be4 Ne3+ 29. Ke1 Nc4 30. Bb7 a5 31. Ba6 Nd6 32. Ke2 Kf8 33. Nd2 Ke7 34. Kd3 Kd7 35. b4 axb4 36. axb4 Kc6 37. c4 bxc4+ 38. Bxc4 f6 39. g4 Bf2 40. Nf3 Kb6 41. Nd4 Be1 42. Ne6 Ne8 43. b5 Bb4 44. f5 Bd6 45. h3 Be7 46. Kd4 Bb4 47. Kd5 Be7 48. h4 Bb4 49. g5 Be1 50. h5 fxg5 51. Nxg5 Nf6+ 52. Ke6 Nxh5 53. Nxh7 Kc5 54. Bf1 Bc3 55. Ng5 1/2-1/2

[Event "Samara Polugaevsky Memorial 6th"]
[Site "Samara"]
[Date "2016.07.03"]
[Round "1"]
[White "Sergeyev, Dmitriy"]
[Black "Oganian, Miran"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2054"]
[BlackElo "2433"]
[PlyCount "118"]
[EventDate "2016.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. h3 Qb6 8. Bf1 Rd8 9. d4 d5 10. dxc5 Qxc5 11. Be3 Qa5 12. exd5 Nxd5 13. Qc1 Nxe3 14. Qxe3 Qh5 15. Na3 Bh6 16. Qe4 Bf5 17. Qh4 Qxh4 18. Nxh4 Be6 19. Bc4 Bxc4 20. Nxc4 Bg7 21. Nf3 b5 22. Nce5 Nxe5 23. Nxe5 a5 24. Nc6 Rd6 25. Nd4 Bxd4 26. cxd4 Rxd4 27. Rxe7 Rd2 28. Rb1 Rc8 29. Re5 Rcc2 30. Rxb5 Rxf2 31. Rg5 f5 32. Rg3 Kg7 33. b4 a4 34. b5 f4 35. Rg4 h5 36. Rg5 Rb2 37. Rxb2 Rxb2 38. Rc5 a3 39. Rc4 f3 40. gxf3 Rxb5 41. Ra4 Rb1+ 42. Kf2 Rb2+ 43. Kg3 Rxa2 44. Ra7+ Kf6 45. Ra6+ Kf5 46. h4 Ra1 47. Ra5+ Ke6 48. Kg2 Kd6 49. Ra6+ Kc5 50. Rxg6 Rc1 51. Ra6 Rc2+ 52. Kg3 a2 53. Ra8 Kb4 54. Rb8+ Kc3 55. Rc8+ Kb2 56. Rb8+ Kc1 57. Ra8 Rc5 58. Rb8 Kc2 59. Ra8 Kb3 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.11"]
[Round "9"]
[White "Sergeyev, Dmitriy"]
[Black "Pankova, Julia"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2077"]
[BlackElo "1703"]
[PlyCount "97"]
[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. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. e5 dxe5 7. Nxe5 Qc8 8. Qf3 Nbd7 9. Nc4 e6 10. Nc3 Be7 11. d3 a6 12. a4 0-0 13. Bf4 Qc6 14. Qxc6 bxc6 15. Bg3 Nh5 16. Bd6 Bxd6 17. Nxd6 Rab8 18. Nc4 Nf4 19. Rfe1 Nd5 20. Ne4 Nb4 21. Re2 h6 22. g3 Rfd8 23. f4 g6 24. Na5 Rf8 25. Rd1 Rb6 26. Kg2 Nd5 27. Nc4 Rbb8 28. Rf1 Ne7 29. g4 Kg7 30. h3 Kh7 31. b3 Kg7 32. Ned6 Nb6 33. Nxb6 Rxb6 34. f5 gxf5 35. gxf5 Nxf5 36. Nxf5+ exf5 37. Rxf5 c4 38. dxc4 Kg6 39. Rc5 Rc8 40. Rd2 Kg7 41. Rd6 Re8 42. Rf5 Re2+ 43. Rf2 Re6 44. Rd7 Rg6+ 45. Kf1 Rf6 46. Rxf6 Kxf6 47. a5 Rb8 48. Rd6+ Kg7 49. Rxc6 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.10"]
[Round "8"]
[White "Sergeyev, Dmitriy"]
[Black "Scheglov, Dmitry"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2077"]
[BlackElo "1910"]
[PlyCount "120"]
[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. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. 0-0 g5 9. dxc5 Nxc5 10. Bb5 Nd7 11. Qe2 Qc7 12. Re1 a6 13. Bxc6 bxc6 14. Nf1 c5 15. Bxg5 Nxe5 16. Qxe5 Qxe5 17. Rxe5 f6 18. Bxf6 Bxf6 19. Re2 0-0 20. Rd1 Ra7 21. Ng3 h6 22. Ne5 Kh7 23. Rd3 Bg5 24. Rf3 Rxf3 25. Nxf3 Bf6 26. Ne5 a5 27. Nd3 Rc7 28. Nf4 Rc6 29. h3 Rd6 30. Nd3 Ba6 31. Rd2 Bg5 32. f4 Bxd3 33. fxg5 Bb1 34. gxh6 Bxa2 35. Ne4 Rc6 36. Ng5+ Kxh6 37. Nf7+ Kg7 38. Ne5 Rc7 39. b4 Bb3 40. bxa5 Kf6 41. Ng4+ Ke7 42. Rf2 Ra7 43. Ne5 Kd6 44. Nf7+ Ke7 45. Ne5 Kd6 46. Nf7+ Kc7 47. h4 Bd1 48. Ra2 Kc6 49. Ne5+ Kd6 50. Nd3 e5 51. Nf2 Bb3 52. Ra1 e4 53. h5 Ke5 54. Ng4+ Kf5 55. Ne3+ Kf4 56. Kf2 d4 57. cxd4 cxd4 58. g3+ Kg5 59. Ng2 e3+ 60. Nxe3 dxe3+ 1/2-1/2

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.09"]
[Round "7"]
[White "Martynov, Petr"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "1889"]
[BlackElo "2077"]
[PlyCount "81"]
[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 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bc4 Nb6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. 0-0 Nc6 9. d3 e6 10. Bg5 h6 11. Bh4 Nd5 12. Nxd5 Qxd5 13. Bg3 g5 14. Re1 Bg7 15. Qe2 Bxb2 16. c4 Qf5 17. Qxb2 0-0-0 18. Ne5 Nb8 19. Rab1 b6 20. Qb5 Kb7 21. a4 f6 22. a5 fxe5 23. axb6 a6 24. Qxc5 Nc6 25. Bxe5 Rxd3 26. Bd6 Qxc5 27. Bxc5 Rc3 28. Rxe6 Rxc4 29. Be3 a5 30. g3 a4 31. Rd6 Rh7 32. Kg2 Ne5 33. Rb5 Rc6 34. Ra5 Rxd6 35. Ra7+ Kb8 36. Rxh7 Nc4 37. Bc5 Rc6 38. Rh8+ Kb7 39. Rh7+ Kb8 40. Rh8+ Kb7 41. Rh7+ 1/2-1/2

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.08"]
[Round "6"]
[White "Sergeyev, Dmitriy"]
[Black "Mischeryakov, Alexey"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2077"]
[BlackElo "1923"]
[PlyCount "118"]
[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 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bf4 Ne7 6. Nge2 0-0 7. Qd3 Nd7 8. 0-0-0 b5 9. h4 Nb6 10. a3 Bd6 11. Bxd6 Qxd6 12. e5 Qc7 13. Ng3 a5 14. Qe3 b4 15. Nb1 Ba6 16. Qg5 f6 17. Qg4 f5 18. Qf4 Bxf1 19. Nxf1 Qb7 20. Nfd2 Nc4 21. Nxc4 dxc4 22. d5 cxd5 23. h5 Rab8 24. a4 Qd7 25. Qxc4 Qxa4 26. Qa6 Kf7 27. Rd2 Qb5 28. Qa7 Rb7 29. Qe3 h6 30. g4 fxg4 31. fxg4 Kg8 32. Rf2 Nc6 33. Rxf8+ Kxf8 34. g5 hxg5 35. Qxg5 Rf7 36. Nd2 Ke8 37. h6 gxh6 38. Rxh6 Kd7 39. Rg6 Qe2 40. Kb1 Qxe5 41. Qg1 Qd4 42. Qe1 Qe5 43. Qg1 Nd4 44. Rg5 Qf6 45. Rg8 b3 46. cxb3 Qf2 47. Qg5 Qf5+ 48. Qxf5 Rxf5 49. Ka2 Rf2 50. Nb1 Rf1 51. Ra8 Nc6 52. Rh8 Nb4+ 53. Ka3 Nc2+ 54. Ka2 d4 55. Rh2 d3 56. Rd2 Ke7 57. Rh2 e5 58. b4 Nxb4+ 59. Ka1 e4 0-1

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.07"]
[Round "5"]
[White "Zhurikhin, Alexander"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2309"]
[BlackElo "2077"]
[PlyCount "179"]
[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 Nf6 3. e5 Nd5 4. Nc3 e6 5. Ne4 f5 6. exf6 Nxf6 7. Nxf6+ Qxf6 8. d4 cxd4 9. Qxd4 Nc6 10. Qxf6 gxf6 11. Be2 Rg8 12. 0-0 b6 13. Nd2 Nd4 14. Bh5+ Ke7 15. c3 Bb7 16. g3 Rg5 17. Bd1 Nf5 18. Bf3 Bxf3 19. Nxf3 Rg8 20. c4 Kf7 21. Rd1 Bd6 22. b3 Ke7 23. Bb2 h5 24. Rd3 Bc5 25. Rad1 Rad8 26. Nd2 Nd6 27. Kg2 h4 28. Rf3 f5 29. Be5 Nf7 30. Bc3 hxg3 31. hxg3 Rg6 32. Re1 Kf8 33. Rh1 Rh6 34. Rd1 Ke7 35. Rd3 a5 36. Nf3 Rg6 37. Bd2 Rgg8 38. Bf4 d6 39. Bc1 Rc8 40. Re1 Rh8 41. Nh4 Kd7 42. Ng6 Rh7 43. Nh4 Bb4 44. Bd2 Bxd2 45. Rxd2 a4 46. Nf3 axb3 47. axb3 Ra8 48. Nd4 Rh6 49. Nb5 Kc6 50. Nd4+ Kd7 51. Nb5 Kc6 52. Rdd1 e5 53. Ra1 Rhh8 54. Nc3 Kc5 55. Nd5 b5 56. Rac1 bxc4 57. Red1 Ra3 58. Rxc4+ Kb5 59. Rc7 Ng5 60. Rb7+ Ka6 61. Rb6+ Ka7 62. Rc1 Rh7 63. Rxd6 Rxb3 64. Ra1+ Kb7 65. Rda6 Rf7 66. Ra7+ Kc6 67. Rxf7 Nxf7 68. Ne7+ Kd7 69. Nxf5 Ke6 70. Ne3 Rb6 71. Ra8 Rc6 72. Ra4 Ng5 73. Rh4 Nf7 74. Kf3 Ra6 75. Rh5 Ra4 76. g4 Kf6 77. Kg3 Ra1 78. Rf5+ Ke6 79. Kf3 Rg1 80. Ke2 Nd6 81. Rh5 Nf7 82. f3 Kf6 83. Kf2 Ra1 84. Rf5+ Ke6 85. g5 Nd6 86. Rf6+ Kd7 87. g6 Ra8 88. Ng4 Rg8 89. Nh6 Rg7 90. Rxd6+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.06"]
[Round "4"]
[White "Sergeyev, Dmitriy"]
[Black "Kiseleva, Ekaterina"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2077"]
[BlackElo "1859"]
[PlyCount "45"]
[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 e5 2. Nf3 d6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Bg4 6. f3 Bh5 7. Qe2 Qe7 8. Nc3 Nbd7 9. d3 0-0-0 10. Be3 a6 11. Qf2 Ne8 12. g4 Bg6 13. 0-0-0 h6 14. Nge4 Ndf6 15. Bc5 Qd7 16. Bxf8 Rxf8 17. Qa7 c6 18. Nc5 Qc7 19. Nxb7 Nd6 20. Nxd6+ Rxd6 21. Bxa6+ Kd8 22. Qxc7+ Kxc7 23. dxc6 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.05"]
[Round "3"]
[White "Palchun, Grigory"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2315"]
[BlackElo "2077"]
[PlyCount "163"]
[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 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. Ba2 a5 9. Re1 exd4 10. Nxd4 Nc5 11. f3 Qb6 12. Kh1 Qb4 13. Nce2 Ncxe4 14. fxe4 Nxe4 15. Rf1 Bg4 16. c3 Qc5 17. Qd3 d5 18. Ng3 f5 19. Bf4 Kh8 20. h3 Bd6 21. Ne6 Bxf4 22. Nxc5 Nxg3+ 23. Kg1 Be2 24. Rxf4 Bxd3 25. Nxd3 Ne2+ 26. Kf2 Nxf4 27. Nxf4 Rfe8 28. Bb1 Re7 29. h4 Rae8 30. Bd3 g6 31. Rd1 Kg7 32. Ne2 Kf6 33. Nd4 Re5 34. g3 R5e7 35. b4 axb4 36. cxb4 Ra8 37. Ra1 Ke5 38. Nb3 Kd6 39. a5 Ree8 40. Rc1 Re7 41. Nd4 Ke5 42. Ke3 Kf6+ 43. Kd2 Ke5 44. Kc3 Kd6 45. Kd2 Ke5 46. Nf3+ Kd6 47. Rc3 Ree8 48. Nd4 Ke5 49. Ke3 Kd6+ 50. Kf4 Rac8 51. h5 Re1 52. Bc2 Rh1 53. hxg6 hxg6 54. Kg5 Rg1 55. Ne2 Rg2 56. Nf4 Rd2 57. Nxg6 d4 58. Rc4 d3 59. Rd4+ Kc7 60. Bxd3 Re8 61. Kxf5 Re3 62. Ne5 Rxg3 63. Rd7+ Kb8 64. Kf6 Rg1 65. Nc4 Rf1+ 66. Ke5 Re1+ 67. Kd4 Rh2 68. Nd6 Rh4+ 69. Kc3 Rh3 70. Rxb7+ Ka8 71. Rd7 Ra1 72. Nc4 Kb8 73. Ne5 Kc8 74. Rd6 Kb7 75. Kb2 Re1 76. a6+ Kb8 77. Nxc6+ Kc7 78. a7 Rh8 79. Rd8 Rh2+ 80. Kb3 Ra1 81. Na5 Kxd8 82. a8Q+ 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.04"]
[Round "2"]
[White "Sergeyev, Dmitriy"]
[Black "Chechetko, Georgy"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2077"]
[BlackElo "1827"]
[PlyCount "101"]
[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. Bb5+ Bd7 4. Bxd7+ Nxd7 5. Nc3 Ngf6 6. d3 g6 7. Bf4 Bg7 8. Qd2 0-0 9. Bh6 Qa5 10. 0-0 a6 11. Nd5 Qd8 12. Bxg7 Kxg7 13. Nxf6 Nxf6 14. Nh4 e5 15. f4 Nh5 16. g3 exf4 17. g4 Qxh4 18. gxh5 g5 19. Qg2 Kh8 20. Qf3 Rae8 21. Rf2 f5 22. exf5 Rxf5 23. Qxb7 Qxh5 24. Raf1 Rfe5 25. Qxa6 Re2 26. Rxe2 Rxe2 27. Qc8+ Re8 28. Qf5 Qh6 29. a4 Qe6 30. Qxe6 Rxe6 31. a5 d5 32. Ra1 Ra6 33. c3 c4 34. dxc4 dxc4 35. Kf2 Kg7 36. Kf3 Kf6 37. Ke4 h6 38. Kd5 Kf5 39. Kxc4 Ke4 40. b4 f3 41. b5 Ra8 42. b6 f2 43. Kb5 Kf3 44. b7 Re8 45. Rf1 Kg2 46. Rxf2+ Kxf2 47. a6 Kg2 48. a7 Kxh2 49. b8Q+ Rxb8+ 50. axb8Q+ Kh3 51. Qh8 1-0

[Event "Chigorin Memorial 23rd"]
[Site "St Petersburg"]
[Date "2015.10.03"]
[Round "1"]
[White "Ulko, Jaroslav"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2467"]
[BlackElo "2077"]
[PlyCount "45"]
[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 d6 2. e4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 b6 9. Bg5 Bb7 10. dxe5 dxe5 11. Nh4 h6 12. Bxf6 Nxf6 13. Ng6 Re8 14. Nxe5 Rf8 15. Qxd8 Raxd8 16. Rad1 Rxd1 17. Rxd1 b5 18. axb5 cxb5 19. Nxb5 Bxe4 20. c3 Rb8 21. b4 a6 22. Nd6 Kf8 23. Nxe4 1-0

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.11"]
[Round "9"]
[White "Sergeyev, Dmitriy"]
[Black "Kontsevik, Georgy"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2043"]
[BlackElo "2127"]
[PlyCount "85"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nd4 5. Nxd4 cxd4 6. d3 Nf6 7. Nd2 Be7 8. Nf3 Qb6 9. Ba4 0-0 10. c3 dxc3 11. bxc3 Qc7 12. Bd2 d6 13. Rb1 e5 14. Qe2 Nd7 15. d4 Nb6 16. Bb3 Kh8 17. Ng5 Bxg5 18. Bxg5 f5 19. exf5 Bxf5 20. Rbc1 exd4 21. cxd4 Qd7 22. Qe7 Rae8 23. Qxd7 Bxd7 24. Rfe1 Rxe1+ 25. Rxe1 d5 26. Re5 Bc6 27. Be7 Re8 28. Bc5 Rxe5 29. dxe5 Nd7 30. Bd6 Kg8 31. f4 g6 32. g4 Kf7 33. f5 gxf5 34. gxf5 Nb6 35. Bd1 Nc4 36. Bh5+ Kg8 37. Bc7 d4 38. e6 d3 39. f6 d2 40. Bf4 Kh8 41. Bh6 Ne5 42. f7 Ng6 43. Bxd2 1-0

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.10"]
[Round "8"]
[White "Fedotov, Nikita1"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2140"]
[BlackElo "2043"]
[PlyCount "124"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. c4 d6 6. Nc3 0-0 7. d3 e5 8. Rb1 a5 9. a3 h6 10. Nd2 Nc6 11. b4 axb4 12. axb4 Qe8 13. c5 dxc5 14. bxc5 Qe7 15. Nc4 Qxc5 16. Rb5 Qe7 17. Be3 Rd8 18. Qc1 Kh7 19. Bxc6 bxc6 20. Rxe5 Qf7 21. Ra5 Rxa5 22. Nxa5 Nd5 23. Nxd5 Qxd5 24. Qc5 f4 25. Qxd5 Rxd5 26. Bd2 f3 27. exf3 Rxd3 28. Be3 Bc3 29. Nb3 Bh3 30. Rb1 Bf5 31. g4 Rxe3 32. gxf5 Rxf3 33. fxg6+ Kxg6 34. Kg2 Rf6 35. Rc1 Be5 36. Na5 c5 37. Rxc5 Rxf2+ 38. Kxf2 Bd4+ 39. Kf3 Bxc5 40. Kg4 h5+ 41. Kf3 Kf5 42. Nc4 Bg1 43. h3 Bd4 44. Nd2 Ke5 45. Ne4 c6 46. Ng3 h4 47. Ne4 Kd5 48. Nd2 c5 49. Ke2 Bc3 50. Nf3 Bf6 51. Nd2 Bd8 52. Kd3 Ke5 53. Nb3 Be7 54. Ke2 Kf4 55. Kf2 c4 56. Nc1 Bc5+ 57. Ke2 Kg3 58. Kf1 Kxh3 59. Ne2 Be3 60. Nc3 Kg3 61. Nd5 h3 62. Nxe3 h2 0-1

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.09"]
[Round "7"]
[White "Sergeyev, Dmitriy"]
[Black "Chistyakova, Daria"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2043"]
[BlackElo "1832"]
[PlyCount "83"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 Na5 9. Be2 d5 10. Nxd5 Nxd5 11. Qd3 Nc6 12. exd5 Ne5 13. Qg3 Bxd2+ 14. Rxd2 Qf6 15. Nf3 Bd7 16. Nxe5 Rxe5 17. f4 Re4 18. Rf1 Rae8 19. Bd3 Ra4 20. a3 Kh8 21. Re2 Rxe2 22. Bxe2 g6 23. Qe3 Kg8 24. g3 c6 25. dxc6 Bxc6 26. Bf3 Bxf3 27. Qe8+ Kg7 28. Qxa4 Be2 29. Re1 Ba6 30. Qe4 Qb6 31. Qe3 Qc6 32. Qe5+ Kh6 33. Qe8 Qc5 34. Qxf7 Qf2 35. Qf8+ Kh5 36. Qe7 Kg4 37. Qe6+ Kf3 38. Qe4+ Kg4 39. f5+ Kh3 40. fxg6 hxg6 41. Qe3 Qxh2 42. Qf3 1-0

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.08"]
[Round "6"]
[White "Sergeyev, Dmitriy"]
[Black "Strunin, Anton"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2043"]
[BlackElo "1904"]
[PlyCount "131"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc4 Be7 7. 0-0 Be6 8. Bxe6 fxe6 9. Nxd4 Qd6 10. Bf4 Qd7 11. Bxb8 Rxb8 12. Qh5+ Kd8 13. Qe5 Bd6 14. Qxe6 Bc5 15. Qxd7+ Kxd7 16. c3 Re8 17. Nd2 Nf6 18. Rae1 Re5 19. b4 Bb6 20. Kh1 Rhe8 21. N4f3 R5e7 22. Rd1 Kc7 23. c4 Kb8 24. e5 Ng4 25. c5 Bc7 26. Nc4 Nxe5 27. Nd6 Rd8 28. Rfe1 Ng6 29. Rxe7 Nxe7 30. Ne5 Bxd6 31. cxd6 Nf5 32. Nf7 Rd7 33. Ng5 Rxd6 34. Rxd6 Nxd6 35. Nxh7 Kc7 36. Nf8 Ne8 37. h4 Kd6 38. Kh2 Ke5 39. Kg3 Nf6 40. Kf3 Kf5 41. h5 a5 42. a3 b6 43. Ng6 c5 44. bxc5 bxc5 45. Nf4 c4 46. g3 Ng4 47. Nd5 Ne5+ 48. Ke3 Kg4 49. Kd4 Nd7 50. Ne3+ Kxh5 51. Kxc4 Kg5 52. Kb5 Kf6 53. Kxa5 Ke5 54. Ka6 Ke4 55. Nc2 Kf3 56. Nd4+ Kxg3 57. Nf5+ Kf4 58. Nxg7 Ke5 59. Kb5 Kd6 60. a4 Kc7 61. a5 Nb8 62. Ne6+ Kb7 63. Nc5+ Ka7 64. Kc4 Nc6 65. Kb5 Nxa5 66. Kxa5 1/2-1/2

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.07"]
[Round "5"]
[White "Zakaryan, David"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2306"]
[BlackElo "2043"]
[PlyCount "55"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 Na5 6. Nf3 Qe7 7. Nc4 Nxc4 8. Bxc4 c6 9. d4 e4 10. Ne5 0-0 11. f4 exf3 12. gxf3 b5 13. Be2 Nd5 14. Qd3 Qh4+ 15. Kd2 Nb4 16. Qe4 Qxe4 17. fxe4 Re8 18. Rhg1 f6 19. Ng4 Kh8 20. a3 Na6 21. Bd3 Bb7 22. Raf1 Rf8 23. Rf3 Nc7 24. e5 Be7 25. exf6 gxf6 26. Rh3 Rf7 27. Nh6 Rff8 28. Rhg3 1-0

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.06"]
[Round "4"]
[White "Filipenko, Alexander V"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2297"]
[BlackElo "2043"]
[PlyCount "115"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. f3 a6 9. Nh3 Nc6 10. Be3 Bd6 11. Nf2 Ke7 12. 0-0-0 h6 13. Ne2 b5 14. Kb1 Na5 15. b3 Nb7 16. Kb2 Bc5 17. Bxc5+ Nxc5 18. Nd3 Nxd3+ 19. Rxd3 Rhd8 20. Rhd1 Rd6 21. Nc1 Nh5 22. Rg1 Nf4 23. Rc3 Kd7 24. g3 Nh3 25. Rg2 Ng5 26. Nd3 Nf7 27. Rc5 Rf8 28. Rf2 Rd4 29. Nxe5+ Nxe5 30. Rxe5 Kd6 31. f4 g5 32. c3 Rd1 33. Kc2 gxf4 34. gxf4 Rxf4 35. Rxe6+ Kxe6 36. Rxf4 Ke5 37. Rh4 Rd6 38. Kb2 c6 39. a4 Rd2+ 40. Ka3 Rc2 41. axb5 axb5 42. Kb4 c5+ 43. Kxc5 Rxc3+ 44. Kb4 Rd3 45. Rxh6 Kxe4 46. Rh5 Kd4 47. Rh8 Rf3 48. Rd8+ Ke5 49. h4 Rh3 50. h5 Rxh5 51. Kxb5 Ke6+ 52. Kc6 Ke7 53. Rd4 Rh8 54. b4 Rh6+ 55. Kc7 Rh5 56. Re4+ Kf8 57. Kb6 Rh6+ 58. Ka5 1-0

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.05"]
[Round "3"]
[White "Sergeyev, Dmitriy"]
[Black "Pogorelskikh, Sergey"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2043"]
[BlackElo "2223"]
[PlyCount "117"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. Be3 b5 5. Qd2 Bb7 6. f3 d6 7. Bd3 Nd7 8. Rd1 c5 9. dxc5 Nxc5 10. a3 Rc8 11. Nge2 Nf6 12. 0-0 0-0 13. Bh6 Qb6 14. Kh1 b4 15. axb4 Qxb4 16. Bxg7 Kxg7 17. Ra1 Rc7 18. Qe3 e5 19. Ra2 Re8 20. Ng3 h6 21. Nce2 a5 22. c3 Qb6 23. b4 axb4 24. cxb4 Ncd7 25. Qxb6 Nxb6 26. Rc1 Rec8 27. Rxc7 Rxc7 28. Rc2 Rxc2 29. Bxc2 Ba6 30. Nc3 Bc4 31. Na4 Nfd7 32. Nb2 Be6 33. Kg1 Kf6 34. Kf2 Kg5 35. Ne2 Nc4 36. Nxc4 Bxc4 37. Nc3 f5 38. Ba4 Nb6 39. Bc6 Bb3 40. Bb5 Kf6 41. Bc6 f4 42. h4 g5 43. hxg5+ hxg5 44. Bb5 Ke7 45. Bc6 Kd8 46. Bb5 Kc7 47. Be8 Bc4 48. Bb5 Bf7 49. Bd3 Nc8 50. Bb5 Na7 51. Ba4 Bc4 52. Be8 Nc8 53. Ba4 Ne7 54. Be8 Ng8 55. Ba4 Nf6 56. Bb5 Bb3 57. Ba4 Bxa4 58. Nxa4 g4 59. g3 1/2-1/2

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.04"]
[Round "2"]
[White "Rumyantsev, Nikolay"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1697"]
[BlackElo "2043"]
[PlyCount "88"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 5. exd5 Nd4 6. Qd1 Nxf3+ 7. Qxf3 Nf6 8. Bc4 e4 9. Qe2 Bd6 10. d4 0-0 11. h3 Re8 12. 0-0 Qc8 13. f4 a6 14. a4 b6 15. Be3 Qb7 16. b4 b5 17. Bb3 Nxd5 18. a5 Be6 19. Ba2 f5 20. g3 Rf8 21. Bd2 Rae8 22. Na3 Kh8 23. Be1 Qa7 24. Nc2 c6 25. Qd2 Qf7 26. Ne3 Nxe3 27. Bxe6 Nxf1 28. Bxf7 Nxd2 29. Bxe8 Nf3+ 30. Kf1 Rxe8 31. Bf2 h6 32. h4 g5 33. hxg5 hxg5 34. Be3 Kg7 35. Kg2 Rh8 36. Rh1 Rxh1 37. Kxh1 g4 38. Kg2 Kf6 39. Kf1 Ke6 40. Ke2 Kd5 41. Kd1 Kc4 42. Kc2 Ne1+ 43. Kd2 Nd3 44. Kc2 Nxb4+ 0-1

[Event "Samara Polugaevsky Memorial 5th"]
[Site "Samara"]
[Date "2015.07.03"]
[Round "1"]
[White "Sergeyev, Dmitriy"]
[Black "Ozolin, Maxim"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2043"]
[BlackElo "2384"]
[PlyCount "94"]
[EventDate "2015.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Bxe3 9. Qxe3 Nf6 10. Nc3 d6 11. 0-0-0 b5 12. f4 b4 13. Na4 Rb8 14. g4 Nxg4 15. Qe2 Qh4 16. Rhg1 h5 17. Bxa6 Qxh2 18. Qxh2 Nxh2 19. Rxd6 Bxa6 20. Rxc6 Bb5 21. Rb6 Rxb6 22. Nxb6 Nf3 23. Rg3 h4 24. Rxf3 h3 25. Rxh3 Rxh3 26. Nd4 Ba6 27. Kd2 Bb7 28. Nc4 Ke7 29. e5 Bd5 30. Ne3 Be4 31. Nc4 Kd7 32. Nb6+ Kc7 33. Nc4 Rh2+ 34. Ke3 Bxc2 35. Nf3 Rh3 36. Kf2 Bg6 37. a3 bxa3 38. bxa3 Kc6 39. Nd6 f6 40. exf6 gxf6 41. Nc4 Kc5 42. Ncd2 Rh8 43. a4 Ra8 44. a5 Kd5 45. Nb3 Bc2 46. Nfd4 Bxb3 47. Nxb3 Rb8 0-1

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.10"]
[Round "9"]
[White "Sergeyev, Dmitriy"]
[Black "Mikheev, Stanislav Valerievi"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2100"]
[BlackElo "2240"]
[PlyCount "47"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 0-0 10. 0-0 b6 11. Ng4 Qg6 12. h3 Bb7 13. Bd3 Qe8 14. Re1 Rxf3 15. Qxf3 Nxd4 16. Qd1 c5 17. c3 Nc6 18. Qc2 Nf8 19. Bg5 Qh5 20. Qd2 Kh8 21. Rad1 Re8 22. Bf4 e5 23. Bg3 Nd7 24. Ba6 1-0

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.09"]
[Round "8"]
[White "Sidorov, Anatoly"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2319"]
[BlackElo "2100"]
[PlyCount "120"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qa4 d4 9. Ne4 Nxe4 10. Bxe4 Bb4+ 11. Kf1 Bd7 12. a3 Qe7 13. Qc2 Bd6 14. Kg2 Rc8 15. Bf5 Bxf5 16. Qxf5 0-0 17. Bg5 Qe5 18. Qxe5 Nxe5 19. Rd1 f6 20. Bf4 Rc2 21. Rxd4 Bc5 22. Rd2 Rxd2 23. Bxd2 Rd8 24. Bc3 Ng4 25. Nh3 g5 26. Rc1 Bb6 27. e3 Kf7 28. Ng1 Re8 29. Re1 h5 30. Nf3 Rc8 31. Re2 Ke6 32. Rd2 Nh6 33. h4 g4 34. Nd4+ Bxd4 35. Rxd4 Nf7 36. Re4+ Ne5 37. Kf1 Rc4 38. Rxc4 Nxc4 39. Ke2 f5 40. f3 Kd5 41. e4+ Ke6 42. fxg4 fxg4 43. a4 Nd6 44. Ke3 b5 45. a5 a6 46. b3 Nf7 47. Kf4 Nd6 48. Bd4 Nf7 49. Bb2 Nd6 50. Bc3 Nf7 51. Bd4 Nd6 52. Bb6 Nf7 53. Bc7 Kf6 54. Ke3 Ke6 55. Kd4 Kd7 56. Bb8 Nd8 57. Kd5 Nc6 58. e5 Nxb8 59. e6+ Kc7 60. Ke5 Nc6+ 0-1

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.08"]
[Round "7"]
[White "Sergeyev, Dmitriy"]
[Black "Kalugin, Yury"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2100"]
[BlackElo "1878"]
[PlyCount "59"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 Be6 7. 0-0-0 Ne5 8. f4 Nc4 9. Bxc4 Bxc4 10. e5 dxe5 11. fxe5 Nd7 12. Nf3 Be7 13. Qe4 Be6 14. Be3 c6 15. Nd4 Qc7 16. Nxe6 fxe6 17. Qg4 Qxe5 18. Rhe1 0-0-0 19. Qa4 Bg5 20. Qxa7 Nb8 21. Bxg5 Qxg5+ 22. Kb1 Qxg2 23. Qe3 Rhe8 24. Rxd8+ Rxd8 25. Qxe6+ Kc7 26. Qe5+ Kb6 27. Na4+ Ka6 28. Qc7 Qf2 29. Nc5+ Qxc5 30. Qxd8 1-0

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.07"]
[Round "6"]
[White "Bogolepov, Grigory"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1896"]
[BlackElo "2100"]
[PlyCount "257"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Bg5 exd4 5. Qxd4 Be7 6. e4 h6 7. Be3 Ng4 8. Bf4 Nc6 9. Qd2 Bf6 10. f3 Nge5 11. Be3 Be6 12. b3 0-0 13. g3 Re8 14. Be2 a6 15. f4 Ng4 16. Nf3 Nxe3 17. Qxe3 Bf5 18. Nd2 Bd4 19. Qf3 Bg4 20. Qxg4 Bxc3 21. Rd1 Rxe4 22. 0-0 Ne5 23. Qh5 g6 24. Nxe4 gxh5 25. Bxh5 Nxc4 26. bxc4 Qe7 27. Bf3 Qe6 28. Kg2 Bg7 29. f5 Qxf5 30. Rd5 Qe6 31. c5 c6 32. Rxd6 Qxa2+ 33. Rf2 Qc4 34. Rd7 Rf8 35. Rxb7 a5 36. Rc7 a4 37. Rxc6 a3 38. Nd6 Qd4 39. Rc7 Be5 40. Re2 Bxd6 41. cxd6 Qxd6 42. Ra7 Rb8 43. Rae7 a2 44. Ra7 Qc5 45. Raxa2 Rb1 46. Rf2 Qc1 47. Bh5 Qg1+ 48. Kh3 Rf1 49. Rxf1 Qxf1+ 50. Rg2 Kg7 51. Be2 Qe1 52. g4 Kf6 53. Bd3 Kg5 54. Rg3 Qf2 55. Bc4 f6 56. Bd3 Kf4 57. Bc4 Qd2 58. Bd3 Qd1 59. Kg2 h5 60. gxh5 Qxh5 61. Kg1 Qd1+ 62. Kg2 Qd2+ 63. Kg1 Qc1+ 64. Kg2 Qc6+ 65. Kg1 Qd5 66. Bf1 Ke5 67. Re3+ Kf4 68. Rg3 Qd4+ 69. Kg2 Qd2+ 70. Kh1 Qf2 71. Rg1 f5 72. Bg2 Ke5 73. Rf1 Qe2 74. Rf3 f4 75. Rf1 Kf5 76. h3 Kg5 77. Kh2 Qe5 78. Rf3 Kh4 79. Kh1 Kg5 80. Kh2 Qe1 81. Rb3 Kf5 82. Rd3 Qe5 83. Kh1 Qe1+ 84. Kh2 Kg5 85. Rf3 Qc1 86. Rd3 Qc7 87. Rf3 Kf5 88. Kh1 Ke5 89. Rd3 Qc1+ 90. Kh2 Qc2 91. Rf3 Qd2 92. Rb3 Kd4 93. Rf3 Qc1 94. Rf1 Qd2 95. Rf3 Ke5 96. Kh1 Qc2 97. Kh2 Kf5 98. Kh1 Kg5 99. Kh2 Qd2 100. Kh1 Kh4 101. Kh2 Qc1 102. Rf1 Qc7 103. Rf3 Qe5 104. Kh1 Qd4 105. Kh2 Kg5 106. Kh1 Qb2 107. Kh2 Qc1 108. Rd3 Qc2 109. Rf3 Qd2 110. Kh1 Kh4 111. Kh2 Kg5 112. Kh1 Qe1+ 113. Kh2 Kf5 114. Rd3 Qh4 115. Rd5+ Ke6 116. Rd3 Qe1 117. Rf3 Qe5 118. Kh1 Qa1+ 119. Kh2 Ke5 120. Rd3 Qb1 121. Rf3 Qf5 122. Kh1 Kd4 123. Kh2 Qe5 124. Kh1 Qe1+ 125. Kh2 Qh4 126. Kh1 Ke5 127. Kh2 Qe1 128. Rd3 Qe2 129. Rf3 1/2-1/2

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.06"]
[Round "5"]
[White "Sergeyev, Dmitriy"]
[Black "Vdovin, Maxim"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "2100"]
[BlackElo "1760"]
[PlyCount "33"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nh5 9. Bb5+ Kf8 10. Ne6+ fxe6 11. Qxd8+ Kf7 12. 0-0+ Nf6 13. Qc7 Nc6 14. exf6 Bxf6 15. Ne4 Bd7 16. Qxd7 Rhe8 17. Nd6+ 1-0

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.05"]
[Round "4"]
[White "Ishkinin, Robert"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1815"]
[BlackElo "2100"]
[PlyCount "188"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Re1 c6 8. a4 a5 9. h3 exd4 10. Nxd4 Nb6 11. Ba2 d5 12. e5 Ne4 13. Nxe4 dxe4 14. e6 fxe6 15. Nxe6 Bxe6 16. Bxe6+ Kh8 17. Qg4 Bc5 18. Be3 Bxe3 19. Rxe3 Qf6 20. Qxe4 Qxf2+ 21. Kh1 Rae8 22. Rae1 Nd5 23. R3e2 Qf6 24. Qg4 Nc7 25. c3 g6 26. Bb3 h5 27. Qd4 Qxd4 28. cxd4 Kg7 29. Kg1 Rxe2 30. Rxe2 Re8 31. Rf2 Re7 32. Kf1 Ne8 33. Rf3 Nd6 34. Ba2 Nf5 35. Rd3 h4 36. Kf2 Re4 37. Kf3 Rxd4 38. Rxd4 Nxd4+ 39. Kg4 Nf5 40. Be6 Ne3+ 41. Kxh4 Nxg2+ 42. Kg5 Ne1 43. Bc8 b6 44. Bb7 Nd3 45. Bxc6 Nxb2 46. h4 Nd3 47. Be4 Nc5 48. Bc2 Ne6+ 49. Kg4 Kf6 50. Bd1 Nd4 51. Kf4 Nf5 52. h5 gxh5 53. Bxh5 Nd6 54. Bg4 Nc4 55. Ke4 Nb2 56. Bd7 Ke7 57. Bb5 Kd6 58. Kd4 Nd1 59. Be2 Nf2 60. Bf3 Nh3 61. Kc4 Nf4 62. Kb5 Kc7 63. Kc4 Ng6 64. Kd5 Ne7+ 65. Kc4 Nf5 66. Be4 Nd6+ 67. Kd5 Nb7 68. Bc2 Nc5 69. Bd1 Nd3 70. Kd4 Nb4 71. Kc4 Nc6 72. Kd5 Ne7+ 73. Ke6 Ng6 74. Kf5 Nh4+ 75. Ke5 Kc6 76. Kd4 Nf5+ 77. Ke4 Ng3+ 78. Kd4 b5 79. axb5+ Kxb5 80. Kc3 Ne4+ 81. Kb3 Nc5+ 82. Ka3 Kc4 83. Be2+ Kc3 84. Bd1 Kd2 85. Bb3 Kc3 86. Bd1 Kd2 87. Bb3 Kc3 88. Bd1 Kd3 89. Bb3 Kd2 90. Ba4 Kc1 91. Bb3 Kb1 92. Bd1 Kc1 93. Bb3 Kd2 94. Ba4 Kc3 1/2-1/2

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.04"]
[Round "3"]
[White "Sergeyev, Dmitriy"]
[Black "Velichko, Artemy"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2100"]
[BlackElo "1793"]
[PlyCount "62"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 b6 6. Bg2 Bb7 7. 0-0 Be7 8. Re1 Nc6 9. e5 Nd7 10. Nf1 g5 11. h3 h5 12. g4 hxg4 13. hxg4 Qc7 14. Nxg5 Ncxe5 15. Bf4 Bxg5 16. Bxg5 d4 17. Ng3 Bxg2 18. Kxg2 f6 19. Bf4 Qc6+ 20. Re4 Ng6 21. f3 0-0-0 22. c3 dxc3 23. bxc3 f5 24. gxf5 exf5 25. Nxf5 Nxf4+ 26. Rxf4 Rdg8+ 27. Ng3 Qh6 28. Qa4 Rxg3+ 29. Kxg3 Qh2+ 30. Kg4 Qh3+ 31. Kg5 Rg8# 0-1

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.03"]
[Round "2"]
[White "Budnikova, Varvara"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1767"]
[BlackElo "2100"]
[PlyCount "57"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 e5 3. d4 Nd7 4. Nc3 Ngf6 5. g3 Be7 6. Bg2 c6 7. 0-0 0-0 8. h3 Re8 9. Re1 Bf8 10. b3 b5 11. a3 g6 12. Bb2 Bg7 13. d5 cxd5 14. Nxd5 Bb7 15. Nc3 Qb6 16. Nd2 Nh5 17. Nf1 Rac8 18. Ne3 Ndf6 19. a4 b4 20. a5 Qd4 21. Nb5 Qxb2 22. Qd2 Bh6 23. Reb1 Bxe3 24. Qxe3 Qxc2 25. Rc1 Qb2 26. Rcb1 Qc2 27. Rc1 Qb2 28. Rcb1 Qc2 29. Rc1 1/2-1/2

[Event "Samara Polugaevsky Memorial 4th"]
[Site "Samara"]
[Date "2014.07.02"]
[Round "1"]
[White "Sergeyev, Dmitriy"]
[Black "Shaposhnikov, Evgeny"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2100"]
[BlackElo "2553"]
[PlyCount "116"]
[EventDate "2014.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be2 Bb7 9. f3 Nc6 10. Be3 Rb8 11. Rc1 Nxd4 12. Bxd4 d6 13. 0-0 Be7 14. Qa4+ Kf8 15. b4 h5 16. Qb3 h4 17. Na4 Nd7 18. Qb2 Rh7 19. Qd2 Kg8 20. Rfd1 Ba8 21. Qe3 Rh6 22. Qf2 Rg6 23. Kh1 Bg5 24. Be3 Bxe3 25. Qxe3 e5 26. Nc3 Qd8 27. Nd5 Bb7 28. Rc3 Rc8 29. Rcc1 Ra8 30. Rb1 Bc6 31. Nc3 a5 32. Rd2 axb4 33. axb4 Ra3 34. Ra2 Rxa2 35. Nxa2 Nf8 36. Nc3 Ne6 37. Bf1 Rf6 38. Ne2 h3 39. gxh3 Qa8 40. Bg2 Qa2 41. Rc1 Qb2 42. b5 Bd7 43. Rd1 Nc5 44. Nc3 Rg6 45. Qd2 Qb3 46. Nd5 Kh7 47. Nxb6 Bxh3 48. Bxh3 Qxf3+ 49. Bg2 Rxg2 50. Qxg2 Qxd1+ 51. Qg1 Qe2 52. Qg3 g6 53. Qh4+ Kg7 54. Kg1 Nxe4 55. Nd7 Qe3+ 56. Kg2 g5 57. Qh3 Qe2+ 58. Kg1 Nd2 0-1

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.23"]
[Round "9"]
[White "Yakovlev, Egor"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1941"]
[BlackElo "2094"]
[PlyCount "71"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Rb1 Qa5 12. Bd2 Rfb8 13. Qc2 Ng4 14. b3 Qa3 15. Bh3 h5 16. Bc1 Qa5 17. Bd2 Qa3 18. Bc1 Qb4 19. Bd2 c4 20. Na4 cxb3 21. axb3 Qb5 22. Nc3 Qc5 23. Ng5 Bxe2 24. Nge4 Qc7 25. Rfc1 Ba6 26. Qd1 Bd3 27. Rb2 Qb6 28. Bxg4 hxg4 29. Be3 Qb4 30. Qxd3 Ne5 31. Qc2 Nf3+ 32. Kg2 Rc8 33. Ra2 f5 34. Rxa8 Rxa8 35. Nd2 Rc8 36. Nc4 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.22"]
[Round "8"]
[White "Sergeyev, Dmitriy"]
[Black "Davidenko, Evgeny"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2094"]
[BlackElo "2003"]
[PlyCount "37"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. f3 a6 11. Qd2 Qa5 12. Rfd1 Qh5 13. Nd5 Nxd5 14. cxd5 Nxd4 15. Bxd4 Be5 16. Bxe5 Qxe5 17. Rac1 Rac8 18. Rxc8 Rxc8 19. Rc1 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.21"]
[Round "7"]
[White "Akopov, Victor"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1775"]
[BlackElo "2094"]
[PlyCount "88"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 c5 4. d5 b5 5. cxb5 d6 6. Nc3 a6 7. bxa6 Bxa6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Re1 Ng4 12. Qc2 Nge5 13. b3 Qa5 14. Bd2 Nxf3+ 15. Bxf3 Ne5 16. Bg2 c4 17. Ne4 cxb3 18. axb3 Qb6 19. Be3 Qb5 20. Ra4 Rfb8 21. Nd2 Rc8 22. Qa2 Bb7 23. Ra1 Rxa4 24. Qxa4 Qxe2 25. Rb1 Rc2 26. Qa7 Qa6 27. Qxa6 Bxa6 28. b4 Ng4 29. Nf1 Nxe3 30. Nxe3 Rc7 31. b5 Bb7 32. Kf1 Kf8 33. Ke2 Ke8 34. Kd1 Rc5 35. Bf1 Bd4 36. Bg2 Bxe3 37. fxe3 Bxd5 38. Bxd5 Rxd5+ 39. Ke2 Rc5 40. Kf3 Kd7 41. b6 Kc8 42. Rb4 Kb7 43. Rf4 f5 44. g4 Kxb6 0-1

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.20"]
[Round "6"]
[White "Sergeyev, Dmitriy"]
[Black "Khoroshilov, Nikita"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2094"]
[BlackElo "2231"]
[PlyCount "88"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Bg7 5. g4 0-0 6. Be3 Nc6 7. Bg2 e5 8. d5 Ne7 9. Nge2 c6 10. g5 Ne8 11. Qd2 cxd5 12. Nxd5 Nxd5 13. Qxd5 Be6 14. Qd2 Rc8 15. b3 f5 16. gxf6 Nxf6 17. Rd1 Rc6 18. 0-0 Qc8 19. Kh2 Rxc2 20. Qd3 d5 21. Rc1 Rxc1 22. Rxc1 Qd7 23. exd5 e4 24. Qc4 Bxd5 25. Qc7 Ng4+ 26. Kg1 Qxc7 27. Rxc7 Nxe3 28. fxe3 Bc6 29. Nd4 Bxd4 30. exd4 Rd8 31. Bf1 Rxd4 32. Bc4+ Kh8 33. Kf2 Rd2+ 34. Ke3 Rxa2 35. Kf4 Rf2+ 36. Kg5 Rf5+ 37. Kg4 a5 38. Re7 b5 39. Be6 Re5 40. Kf4 e3 41. Kxe5 e2 42. Kd6 e1Q 43. Kxc6 a4 44. bxa4 bxa4 0-1

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.19"]
[Round "5"]
[White "Irgaliyev, Alikhan"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1937"]
[BlackElo "2094"]
[PlyCount "30"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. Nc3 d6 6. h3 0-0 7. d3 Na5 8. Bb5 c6 9. Ba4 b5 10. Bb3 h6 11. Be3 Nxb3 12. axb3 b4 13. Ne2 c5 14. Nd2 d5 15. exd5 Qxd5 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.18"]
[Round "4"]
[White "Sergeyev, Dmitriy"]
[Black "Muslimov, Evgeny"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2094"]
[BlackElo "2135"]
[PlyCount "48"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d3 d4 4. Nce2 c5 5. g3 Nc6 6. Bg2 e5 7. f4 exf4 8. Nxf4 Bd6 9. Nf3 Nge7 10. 0-0 0-0 11. c4 Ne5 12. Nxe5 Bxe5 13. Qh5 Qd6 14. Nd5 Nxd5 15. cxd5 b5 16. Bf4 f6 17. Bxe5 Qxe5 18. Qxe5 fxe5 19. Rxf8+ Kxf8 20. Rc1 Bd7 21. Rxc5 Rc8 22. Rxc8+ Bxc8 23. b4 Ke7 24. Bf3 g5 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.17"]
[Round "3"]
[White "Aliev, Vladislav"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2155"]
[BlackElo "2094"]
[PlyCount "55"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Na3 Bc6 10. Nxc4 Nbd7 11. Bf4 Be4 12. Qd1 Nd5 13. Ncd2 Nxf4 14. gxf4 Bg6 15. Ne5 Nxe5 16. dxe5 Qd4 17. Ne4 Qb4 18. Qd2 Rfd8 19. Qxb4 Bxb4 20. Rfd1 Kf8 21. Ng3 c6 22. e4 f6 23. Bh3 Ke7 24. exf6+ gxf6 25. f5 Bf7 26. fxe6 Bxe6 27. Nf5+ Bxf5 28. Bxf5 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.16"]
[Round "2"]
[White "Sergeyev, Dmitriy"]
[Black "Khryaschev, Denis"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2094"]
[BlackElo "1937"]
[PlyCount "69"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 Nc6 8. Qd2 Bd7 9. 0-0-0 Nxd4 10. Bxd4 0-0 11. g4 Qa5 12. Kb1 Kh8 13. h4 Ne8 14. h5 g5 15. h6 Bxd4 16. Qxd4+ e5 17. Qe3 Qd8 18. Bc4 Be6 19. Bd5 Qe7 20. Rd3 Rg8 21. Ne2 Nf6 22. c4 Rac8 23. Qxa7 Ra8 24. Qe3 Rg6 25. Ra3 Rc8 26. Ra7 Bxd5 27. cxd5 Ng8 28. Qb3 Rc7 29. Rc1 Rxh6 30. Rxc7 Qxc7 31. a3 Rh2 32. Rxb7 Qc5 33. Nc3 Rh1+ 34. Ka2 Qe3 35. Rxf7 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2012.08.15"]
[Round "1"]
[White "Isaev, Felix"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1720"]
[BlackElo "2094"]
[PlyCount "112"]
[EventDate "2012.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Nxc6 bxc6 6. exd5 Qxd5 7. Nc3 Qxd1+ 8. Nxd1 e5 9. Bc4 f5 10. h3 Nf6 11. f3 Nd5 12. Ne3 Be6 13. Bd2 Nxe3 14. Bxe6 Nxc2+ 15. Kf2 Bc5+ 16. Kg3 f4+ 17. Kh2 Nxa1 18. Rxa1 Ke7 19. Bf5 Rhd8 20. Ba5 Rd6 21. Re1 Kf6 22. Bg4 Bf2 23. Rd1 Be3 24. Rf1 Rd5 25. b4 g6 26. h4 h5 27. Bh3 Bb6 28. Rc1 Rd6 29. a4 Bxa5 30. bxa5 Rb8 31. a6 Rb4 32. Ra1 Rdd4 33. a5 Ra4 34. Rc1 Rd6 35. Bc8 Rxa5 36. Bb7 c5 37. Rb1 Raxa6 38. Bxa6 Rxa6 39. Rb7 Ke6 40. Rc7 Kd5 41. Rd7+ Kc4 42. Re7 Kd4 43. Rd7+ Kc3 44. Rd5 c4 45. Rxe5 Kb2 46. Rb5+ Kc2 47. g4 fxg3+ 48. Kxg3 c3 49. Rb7 Rb6 50. Rxa7 Kb2 51. Kf4 c2 52. Rc7 c1Q+ 53. Rxc1 Kxc1 54. Kg5 Kd2 55. Kf4 Ke2 56. Kg5 Kxf3 0-1

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.25"]
[Round "9.6"]
[White "Bedirov, Timur"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "2257"]
[BlackElo "2086"]
[PlyCount "123"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Ne5 Nxe5 9. Bxe5 Nd7 10. Bg3 Be7 11. Qb3 b6 12. Ba6 0-0 13. Bb7 Nf6 14. Bxa8 Qxa8 15. Qb5 Rc8 16. 0-0 Rc4 17. Rfc1 Bd3 18. Qb3 Qc6 19. Qd1 Bf5 20. f3 b5 21. a3 a5 22. Qd2 a4 23. Na2 Qb6 24. Rxc4 bxc4 25. Nb4 h6 26. Be1 Bd6 27. Rc1 Be7 28. Qd1 Qb5 29. Bc3 Nd7 30. Qe1 Bg5 31. h4 Bf6 32. g4 Bg6 33. Qg3 Qb6 34. Kf2 Be7 35. Rh1 Bd6 36. Qg1 Be7 37. Qd1 Qb5 38. Na2 Qb3 39. Qxb3 cxb3 40. Nb4 Nb6 41. Na6 Bd3 42. Nc5 Bb5 43. Nb7 Ba6 44. Na5 Bb5 45. h5 Nc4 46. Nxc4 Bxc4 47. Ke1 Bg5 48. Kd2 Bb5 49. Bb4 Bc4 50. Bd6 Kh7 51. Rc1 Bd8 52. Bb4 Bb6 53. Rxc4 dxc4 54. Kc3 e5 55. Kxc4 exd4 56. exd4 Kg8 57. Bc5 Ba5 58. Kb5 Bc3 59. Kxa4 Bxb2 60. Kxb3 Bc1 61. a4 Bd2 62. Kc4 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.24"]
[Round "8.3"]
[White "Sergeyev, Dmitriy"]
[Black "Semyonov, Konstantin"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2086"]
[BlackElo "2311"]
[PlyCount "56"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 a6 9. f3 Bd7 10. h4 Nxd4 11. Qxd4 Bc6 12. g4 Qa5 13. Kb1 Rd8 14. Be3 d5 15. Qb6 Qxb6 16. Bxb6 Rc8 17. g5 Nd7 18. exd5 Nxb6 19. dxc6 Rxc6 20. Bd3 0-0 21. Be4 Rc7 22. f4 Nd7 23. Ne2 Nc5 24. Bf3 Rd8 25. Rxd8+ Bxd8 26. Rd1 Be7 27. Nc3 b5 28. Ne4 Nxe4 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.23"]
[Round "7.5"]
[White "Sergeyev, Dmitriy"]
[Black "Nurmukhanov, Timur"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2086"]
[BlackElo "2256"]
[PlyCount "69"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 g6 7. f3 Bg7 8. Qd2 0-0 9. g4 Nd7 10. 0-0-0 Nde5 11. Be2 Na5 12. b3 Nac6 13. h4 Qa5 14. h5 Nxd4 15. Bxd4 Be6 16. Kb1 Rfc8 17. Nd5 Qxd2 18. Rxd2 Bxd5 19. exd5 Bh6 20. Rdd1 Bf4 21. hxg6 hxg6 22. Rh3 a6 23. c4 Kg7 24. Rdh1 Kf6 25. Rh7 Rab8 26. Ba7 Ra8 27. Bd4 Rab8 28. a4 Rf8 29. Kb2 e6 30. dxe6 Kxe6 31. Rd1 Nc6 32. Bb6 Rh8 33. Rdh1 Rxh7 34. Rxh7 Be5+ 35. Ka3 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.22"]
[Round "6.4"]
[White "Petrov, Pavel"]
[Black "Sergeyev, Dmitriy"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2009"]
[BlackElo "2086"]
[PlyCount "80"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 Re8 8. f4 Nc6 9. Nxc6 bxc6 10. Bf3 Rb8 11. e5 dxe5 12. fxe5 Qxd1 13. Rxd1 Bc5+ 14. Kh1 Ng4 15. Bxg4 Bxg4 16. Re1 Bd4 17. Na4 Bxe5 18. Be3 h6 19. c3 Bf5 20. b3 a6 21. Rac1 Bd6 22. Bd4 Rxe1+ 23. Rxe1 f6 24. Nc5 Kf7 25. g3 Rh8 26. Kg2 h5 27. h3 Bc8 28. b4 Re8 29. Rxe8 Kxe8 30. a3 Kf7 31. h4 Kg6 32. Kf3 Kf5 33. Be3 Be5 34. Bd2 g5 35. Be1 gxh4 36. gxh4 Bf4 37. Bf2 Bc1 38. a4 Bf4 39. Be1 Bd6 40. Bf2 Be5 1/2-1/2

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.21"]
[Round "5.7"]
[White "Skolznev, Nikolay"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A30"]
[BlackElo "2086"]
[PlyCount "62"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. d4 cxd4 7. Nxd4 Bxg2 8. Kxg2 Qc7 9. b3 a6 10. Bb2 Be7 11. Nc3 Qb7+ 12. f3 0-0 13. e4 d6 14. Qe2 Nc6 15. Nc2 Rab8 16. a4 Rfc8 17. Ne3 Nd7 18. Rfd1 Nc5 19. Ra3 Nb4 20. Rd2 Qc6 21. Qd1 Rd8 22. Ra1 Bg5 23. Kf2 Rbc8 24. Ba3 a5 25. Rc1 Nca6 26. f4 Be7 27. Bb2 Nc5 28. Ng4 Nxe4+ 29. Nxe4 Qxe4 30. h4 d5 31. Rd4 Bc5 0-1

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.20"]
[Round "4.9"]
[White "Sergeyev, Dmitriy"]
[Black "Petrov, Petr T"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2086"]
[BlackElo "1922"]
[PlyCount "95"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Be7 5. Nc3 Nf6 6. Bd2 d5 7. exd5 Nxd5 8. Nxd5 Qxd5 9. Nf3 0-0 10. Bd3 Bf5 11. Bxf5 Qxf5 12. 0-0-0 Bf6 13. Rhe1 Rad8 14. Bc3 Rd6 15. Rxd6 cxd6 16. Bxf6 Qxf6 17. Qg5 Qxg5+ 18. Nxg5 Rd8 19. Kd2 h6 20. Ne4 Kf8 21. f4 Rd7 22. Re3 Rd8 23. Rd3 Ke7 24. Nc3 Kf8 25. Nd5 Rd7 26. c4 Ke8 27. b4 Ne7 28. Nc3 Nc8 29. Rg3 f5 30. Nd5 Kf7 31. Rd3 Ne7 32. Nc3 Ke6 33. Nb5 Nc8 34. Nd4+ Kf6 35. Nb3 Re7 36. Re3 Rxe3 37. Kxe3 Ke6 38. Na5 b6 39. Nc6 g6 40. Kd4 g5 41. g3 gxf4 42. gxf4 h5 43. b5 h4 44. h3 Kd7 45. Kd5 Kc7 46. Ke6 a6 47. a4 axb5 48. axb5 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.19"]
[Round "3.1"]
[White "Stambulian, Arsen"]
[Black "Sergeyev, Dmitriy"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2401"]
[BlackElo "2086"]
[PlyCount "37"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 e6 5. 0-0 Be7 6. Re1 0-0 7. Bf1 Nc6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Nc3 Nxc3 12. bxc3 Na5 13. Bd3 h6 14. Bc2 f5 15. exf6 Bxf6 16. Qd3 Nc4 17. Bxh6 Kf7 18. Qg6+ Ke7 19. Bxg7 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.18"]
[Round "2.11"]
[White "Sergeyev, Dmitriy"]
[Black "Kasachev, Yuriy"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2086"]
[PlyCount "55"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e6 6. Nc3 Bc5 7. Nb3 Ba7 8. Bf4 e5 9. Bg3 Nge7 10. Be2 d6 11. 0-0 Be6 12. Qd2 Qd7 13. Rad1 0-0-0 14. Kh1 f5 15. f3 h6 16. Nd5 Kb8 17. Bf2 Rhf8 18. Bxa7+ Kxa7 19. Qe3+ Kb8 20. c5 f4 21. Qc3 Nc8 22. cxd6 Qxd6 23. Nxf4 Nd4 24. Nxe6 Qxe6 25. Nxd4 exd4 26. Rxd4 Nd6 27. Rfd1 Rc8 28. Rxd6 1-0

[Event "Astrakhan op"]
[Site "Astrakhan"]
[Date "2011.08.17"]
[Round "1.15"]
[White "Basov, Gennady"]
[Black "Sergeyev, Dmitriy"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "2086"]
[PlyCount "64"]
[EventDate "2011.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. b3 Nc6 6. Bb2 Be7 7. d3 0-0 8. Nf3 d4 9. Ne4 Nxe4 10. dxe4 e5 11. 0-0 f5 12. Ne1 Qd6 13. Qd2 Qg6 14. Qc2 Nb4 15. Qb1 fxe4 16. Bxe4 Bf5 17. Bxf5 Qxf5 18. Qxf5 Rxf5 19. a3 Nc6 20. f3 Na5 21. g4 Rff8 22. Nd3 Nxb3 23. Ra2 e4 24. Nc1 Nd2 25. Rd1 Nxc4 26. Kf2 Bh4+ 27. Kg1 Ne3 28. Rd2 exf3 29. exf3 Rxf3 30. h3 Rg3+ 31. Kh1 Rf8 32. Re2 Rxh3+ 0-1

