[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.11"]
[Round "9"]
[White "Zhurikhin, Alexander"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2329"]
[BlackElo "2181"]
[PlyCount "87"]
[EventDate "2015.04.02"]
[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 e6 2. Qe2 Be7 3. Nf3 d5 4. d3 Nf6 5. g3 c5 6. Bg2 Nc6 7. e5 Nd7 8. c4 d4 9. 0-0 g5 10. h3 h5 11. g4 hxg4 12. hxg4 Qc7 13. Re1 Rg8 14. Na3 a6 15. Qe4 Rg7 16. Nc2 f6 17. b4 fxe5 18. b5 axb5 19. cxb5 Nd8 20. Na3 Nf6 21. Qxe5 Qxe5 22. Nxe5 Nd5 23. Nac4 Rb8 24. Be4 b6 25. Bd2 Bb7 26. Bg6+ Rxg6 27. Nxg6 Bf6 28. a4 Kd7 29. Nf8+ Ke7 30. Nh7 Nf7 31. f3 Rh8 32. Nxf6 Nxf6 33. Rf1 Nd7 34. a5 bxa5 35. Rxa5 Bd5 36. Ra7 Rb8 37. Rb1 Ke8 38. Kf2 Bxc4 39. dxc4 Nb6 40. Rc1 Ne5 41. Rh1 Nbd7 42. Rh8+ Nf8 43. Bxg5 Nf7 44. Re7+ 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.10"]
[Round "8"]
[White "Orekhov, Nikolai"]
[Black "Ioffe, Evgeny"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2181"]
[BlackElo "2036"]
[PlyCount "152"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. 0-0 Be7 9. e3 h6 10. Nc3 0-0 11. Rd1 Ne4 12. Qe2 Qb6 13. Nd2 Nxd2 14. Bxd2 Bc2 15. Rdc1 Bg6 16. Be1 Rad8 17. Na4 Qc7 18. b4 a6 19. a3 Rfe8 20. Nc3 Qb6 21. f4 Nf6 22. Bf2 Bh5 23. Qf1 Ng4 24. Bf3 Nxh2 25. Kxh2 Bxf3 26. Bg1 Bg4 27. Na4 Qc7 28. Nc5 Rd5 29. Kg2 Bxc5 30. Rxc5 f5 31. Rac1 Qf7 32. Kf2 Qh5 33. Ke1 Qh1 34. Kd2 Bf3 35. Qf2 Be4 36. Bh2 Qf3 37. Qxf3 Bxf3 38. Rf1 Be4 39. Bg1 a5 40. Ra1 Ra8 41. Rcc1 Rb5 42. Kc3 Kf7 43. Bf2 Kg6 44. Be1 Kh5 45. Kc4 Bd5+ 46. Kd3 a4 47. Ke2 Kg4 48. Kf2 Rb6 49. Bd2 g5 50. Rc5 Rd8 51. Rac1 Ra6 52. Rg1 Raa8 53. Rcc1 b5 54. Bc3 Rh8 55. Bd2 Rag8 56. Rge1 Kh5 57. Rg1 Kg6 58. Rce1 g4 59. Rh1 Bxh1 60. Rxh1 h5 61. Rh4 Rd8 62. Ke2 Rd7 63. Bc3 Rhd8 64. Kd3 Re8 65. Kc2 Rf7 66. Bd2 Rh8 67. Kd3 Rhh7 68. Bc1 Rb7 69. Kc3 Rhd7 70. Bd2 Rbc7 71. Kc2 Ra7 72. Bc3 Rab7 73. Kd3 Rh7 74. Bd2 Kf7 75. Bc3 Ke7 76. Bd2 Kd6 1/2-1/2

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.09"]
[Round "7"]
[White "Vinogradov, Anatoly"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2235"]
[BlackElo "2181"]
[PlyCount "35"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 a6 7. Bd3 e6 8. h3 Be7 9. Nf3 0-0 10. 0-0 Bd7 11. Rc1 Qa5 12. Nd2 Rfc8 13. Nb3 Qb6 14. Na4 Qa7 15. Nac5 Be8 16. a3 Nb8 17. Qe2 Nbd7 18. Nxd7 1/2-1/2

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.08"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Cherednichenko, Dmitrij"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2181"]
[BlackElo "2061"]
[PlyCount "49"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. a3 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bg4 5. d3 Nbd7 6. h3 Bh5 7. 0-0 e6 8. Nbd2 Bd6 9. c4 0-0 10. b4 a5 11. c5 Bc7 12. Bb2 b6 13. cxb6 Bxb6 14. d4 Qe7 15. Bc3 Bc7 16. Qc1 Rfc8 17. e3 axb4 18. axb4 Rxa1 19. Qxa1 Bd6 20. Qa4 Rb8 21. Ne5 Bxe5 22. dxe5 Ne8 23. Nb3 Be2 24. Nd4 Nxe5 25. Nxe2 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.07"]
[Round "5"]
[White "Provkin, Vladimir"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2141"]
[BlackElo "2181"]
[PlyCount "31"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nc6 4. e4 d5 5. exd5 Qxd5 6. Be3 Nf6 7. Be2 cxd4 8. cxd4 Be7 9. Nc3 Qd8 10. 0-0 0-0 11. Ne5 Nb4 12. Rc1 Nbd5 13. Bg5 h6 14. Bh4 Nd7 15. Bg3 Nxe5 16. Bxe5 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.06"]
[Round "4"]
[White "Orekhov, Nikolai"]
[Black "Kholodov, Vladimir"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2181"]
[BlackElo "2010"]
[PlyCount "133"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nbd7 7. Nc3 c6 8. h3 h6 9. e4 e5 10. Be3 Qe7 11. Qc2 Nh5 12. Rad1 f5 13. exf5 gxf5 14. dxe5 dxe5 15. Rfe1 Qf7 16. Ne2 f4 17. Bc1 Nc5 18. g4 e4 19. gxh5 exf3 20. Bxf3 Bf5 21. Qd2 Nd3 22. Nxf4 Nxe1 23. Qxe1 Bxh3 24. Qa5 Rae8 25. Qa3 Be5 26. Nxh3 Qxf3 27. Qxf3 Rxf3 28. Kg2 Rf7 29. Bxh6 Rh7 30. Be3 Rxh5 31. b3 Re7 32. Rd8+ Kh7 33. Nf4 Rf5 34. Nd3 Bc7 35. Rd4 Kg8 36. Rh4 Rd7 37. Rg4+ Rg7 38. Rxg7+ Kxg7 39. Nc5 Bb6 40. Nxb7 Bxe3 41. fxe3 Kf6 42. b4 Ke5 43. Nc5 Rf7 44. a3 Rf5 45. a4 Rf7 46. a5 Kd6 47. Nd3 Rh7 48. Kf3 Rh3+ 49. Ke4 Rh4+ 50. Nf4 Rh7 51. Kd4 Re7 52. Nd3 Rh7 53. e4 Rh4 54. Nf2 Rf4 55. Nd1 Rf1 56. Ne3 Rb1 57. e5+ Ke6 58. Nc2 Rb2 59. Kc3 Rb1 60. Nd4+ Kd7 61. e6+ Kd6 62. c5+ Kd5 63. e7 Re1 64. Nf5 Re6 65. Kd3 a6 66. Kc3 Ke4 67. Nd6+ 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.05"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Rudnitsky, Ivan"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2181"]
[BlackElo "2039"]
[PlyCount "60"]
[EventDate "2015.04.02"]
[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 d5 2. d4 c6 3. c4 e6 4. Qc2 dxc4 5. Qxc4 b5 6. Qd3 Bb7 7. g3 Nf6 8. Bg2 Nbd7 9. 0-0 a6 10. a4 b4 11. Nbd2 c5 12. b3 cxd4 13. Qxd4 Bc5 14. Qd3 0-0 15. Bb2 Qe7 16. e3 Rfd8 17. Qe2 Nb6 18. Rac1 Rac8 19. Rfd1 Nbd5 20. Ne5 Bd6 21. Ndc4 Bxe5 22. Bxe5 h6 23. Qe1 Ng4 24. Bb2 h5 25. h3 Nh6 26. e4 Nf6 27. Be5 Ne8 28. Bf4 Rxd1 29. Qxd1 h4 30. g4 Qd8 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.03"]
[Round "2"]
[White "Strelnikov, Sergey"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2388"]
[BlackElo "2181"]
[PlyCount "111"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 Ng6 13. Bg3 b6 14. b4 Be6 15. Rfc1 Rfd8 16. Bf3 Rab8 17. Qc3 f6 18. Bd5 Ne5 19. f4 Nf7 20. Re1 Rbc8 21. b5 Bd7 22. Bb7 Rb8 23. Bf3 Rbc8 24. a4 c6 25. Qd3 cxb5 26. axb5 Rc7 27. Bd5 Be6 28. e4 Rdd7 29. Rac1 Rd8 30. Bf2 Re8 31. Re3 Qd8 32. Ree1 Qe7 33. Kf1 Qd8 34. Bd4 Bxd5 35. cxd5 Rxc1 36. Rxc1 Qe7 37. Kf2 h5 38. Kf3 Qd7 39. h3 Rc8 40. Rc6 Nd8 41. Rxc8 Qxc8 42. Qc3 Qxc3+ 43. Bxc3 Kf7 44. e5 Nb7 45. e6+ Ke7 46. f5 Nc5 47. Bd4 Nd3 48. Ke3 Ne5 49. Bxe5 dxe5 50. Kf3 Kd6 51. Kg3 Ke7 52. Kh4 Kd6 53. Kxh5 Ke7 54. Kg6 e4 55. d6+ Kxd6 56. Kf7 1-0

[Event "Voronezh-ch op2"]
[Site "Voronezh"]
[Date "2015.04.02"]
[Round "1"]
[White "Filippov, Vladimir Mikhailovi"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1929"]
[BlackElo "2181"]
[PlyCount "154"]
[EventDate "2015.04.02"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 e6 10. Be3 b5 11. cxb5 axb5 12. Qc2 Ne7 13. b4 Bd7 14. Rfc1 Bc6 15. g4 Qd7 16. Rd1 Rfc8 17. Rac1 Bb7 18. Bf1 Ba8 19. Bg2 Qe8 20. Qd3 Bc6 21. Rd2 Ra8 22. Rdc2 Rab8 23. Nd2 Nd7 24. Nb3 Nb6 25. Na5 Bd7 26. d5 e5 27. g5 f5 28. gxf6 Bxf6 29. Bf1 Na4 30. Nxa4 bxa4 31. a3 Qd8 32. Qd2 Kh8 33. Bg5 Nxd5 34. Bxf6+ Nxf6 35. Qg5 Ne8 36. Qe3 Ra8 37. Rc3 Qh4 38. Qg3 Qxg3+ 39. fxg3 c5 40. Nc4 cxb4 41. axb4 Rab8 42. Rb1 Bb5 43. Rcc1 Bxc4 44. Rxc4 Rxc4 45. Bxc4 Nf6 46. Bd3 Kg7 47. b5 Nd7 48. Ra1 Nc5 49. Bc4 Rf8 50. Bd5 Rb8 51. Bc6 Kf6 52. Kf2 Ke7 53. Ke2 g5 54. Ra3 h6 55. Kd2 Nb3+ 56. Kc3 Nd4 57. Kc4 Nxc6 58. bxc6 Rb6 59. Rxa4 Rxc6+ 60. Kd3 Rb6 61. Ra3 Ke6 62. Ke3 h5 63. Kf3 Rb2 64. Rd3 Rh2 65. Ra3 Rxh3 66. Kg2 g4 67. Ra8 h4 68. gxh4 Rxh4 69. Kg3 Rh1 70. Kxg4 Rf1 71. Ra4 Rf4+ 72. Kg3 Kd7 73. Rc4 Ke7 74. Rc7+ Ke6 75. Rc4 Kd7 76. Ra4 Kc6 77. Ra8 Rxe4 0-1

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.06"]
[Round "9"]
[White "Orekhov, Nikolai"]
[Black "Lodoev, Ayur"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2139"]
[BlackElo "2160"]
[PlyCount "115"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. d5 Na5 8. Qa4 c5 9. Bd2 b6 10. Bc3 Bd7 11. Qc2 b5 12. Nbd2 Nxc4 13. Nxc4 Bf5 14. Qd1 bxc4 15. Nd2 Qd7 16. Nxc4 Bh3 17. Re1 Bxg2 18. Kxg2 Qf5 19. Bxf6 Bxf6 20. e4 Qd7 21. Rb1 Rfb8 22. b3 a5 23. Qd3 a4 24. bxa4 Qxa4 25. a3 Bd4 26. Qe2 Qa6 27. Qa2 Kg7 28. Qc2 e6 29. Qd3 exd5 30. exd5 Rb7 31. Rxb7 Qxb7 32. Qf3 Rd8 33. Na5 Qb2 34. Re7 Bf6 35. Rb7 Qc2 36. Nc6 Ra8 37. Rd7 Qc3 38. Qe4 Qxa3 39. Qe6 Rf8 40. Qxd6 Re8 41. Qc7 Rf8 42. Qf4 Qd3 43. Rd6 Qf5 44. Qxf5 gxf5 45. Rd7 c4 46. Rc7 c3 47. Nb4 Rb8 48. Nc2 Rb2 49. Ne3 Kg6 50. Rc6 Rd2 51. Kf3 h5 52. h4 Rd3 53. Ke2 Rd2+ 54. Ke1 f4 55. gxf4 Kg7 56. Nf5+ Kg6 57. Ng3 Rxd5 58. f5+ 1-0

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.05"]
[Round "8"]
[White "Sergeev, Veniamin"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2374"]
[BlackElo "2139"]
[PlyCount "49"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b5 10. Be2 Bb7 11. Rd1 Qc7 12. e4 e5 13. g3 Rfe8 14. a3 a5 15. dxe5 Nxe5 16. Nd4 Bc5 17. Nf5 Neg4 18. Bxg4 Nxg4 19. Bf4 Qb6 20. Rd2 Rad8 21. Rad1 Rxd2 22. Rxd2 Rd8 23. Bd6 Bxd6 24. Rxd6 Rxd6 25. Nxd6 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.04"]
[Round "7"]
[White "Orekhov, Nikolai"]
[Black "Chigaeva, Anastasia"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2139"]
[BlackElo "2042"]
[PlyCount "79"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 Nc6 6. Rb1 e6 7. d3 Nge7 8. Bd2 0-0 9. 0-0 b6 10. a3 Bb7 11. b4 Qd7 12. Nb5 Rad8 13. Bc3 e5 14. Bd2 Nd4 15. Nbxd4 cxd4 16. Rc1 Rc8 17. Bg5 f6 18. Bd2 h6 19. e3 dxe3 20. Bxe3 f5 21. Ne1 Bxg2 22. Nxg2 d5 23. cxd5 Qxd5 24. Qa4 Nc6 25. b5 Na5 26. Qb4 Qxd3 27. Qe7 Qd5 28. Qxa7 Rxc1 29. Rxc1 Nc4 30. Qa4 Nd6 31. Bxb6 Qxb5 32. Qxb5 Nxb5 33. a4 Nd4 34. Rc7 Ra8 35. a5 Nf3+ 36. Kh1 Bf8 37. Ne3 Bb4 38. Nd5 Bxa5 39. Nf6+ Kf8 40. Bc5# 1-0

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.03"]
[Round "6"]
[White "Artamonov, Valery"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2256"]
[BlackElo "2139"]
[PlyCount "47"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Be2 Bd6 5. Nc3 c6 6. b3 Qe7 7. Bb2 a5 8. Qc2 Na6 9. e4 Nb4 10. Qb1 dxe4 11. Nxe4 Nxe4 12. Qxe4 f5 13. Qb1 e5 14. a3 Na6 15. d4 e4 16. Nd2 0-0 17. Qc2 b6 18. g3 Bd7 19. c5 Nxc5 20. dxc5 Bxc5 21. Qc3 Rae8 22. Nc4 Be6 23. Ne3 Rf7 24. Bh5 1-0

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.02"]
[Round "5"]
[White "Orekhov, Nikolai"]
[Black "Pranizin, Gennady"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2139"]
[BlackElo "2187"]
[PlyCount "28"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.12.01"]
[Round "4"]
[White "Goriatchkin, Jouri"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2322"]
[BlackElo "2139"]
[PlyCount "70"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 Rb8 7. Nc3 a6 8. Bf4 Bd6 9. Bxd6 cxd6 10. Qb4 Qb6 11. Qxb6 Nxb6 12. e4 Bd7 13. b3 Bc6 14. Nge2 Ke7 15. f3 Rhc8 16. Kd2 a5 17. a4 Na8 18. Nb5 Nc7 19. Nxc7 Rxc7 20. Nc3 Rbc8 21. Rhc1 Be8 22. Bf1 Bc6 23. Nb5 Bxb5 24. Bxb5 Rxc1 25. Rxc1 Rxc1 26. Kxc1 d5 27. e5 Nd7 28. Bxd7 Kxd7 29. Kd2 f5 30. f4 h5 31. h4 Kc6 32. Kc3 Kd7 33. Kd2 Kc6 34. Kc3 Kd7 35. Kd2 Kc6 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.11.30"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Iliushkin, Evgeny"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2139"]
[BlackElo "2282"]
[PlyCount "61"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. Nc3 0-0 7. d4 Ne4 8. Bd2 f5 9. Qc2 Nxc3 10. Bxc3 Be4 11. Qd2 Bf6 12. Ne1 Bxg2 13. Nxg2 Qe7 14. Rac1 d6 15. Qd3 Nd7 16. e4 fxe4 17. Qxe4 e5 18. dxe5 Bxe5 19. f4 Bf6 20. Qxe7 Bxe7 21. Rce1 Rfe8 22. Ne3 Bf6 23. Nd5 c6 24. Nxf6+ Nxf6 25. Bxf6 gxf6 26. Kf2 Kf7 27. Kf3 f5 28. h3 h5 29. g4 fxg4+ 30. hxg4 hxg4+ 31. Kxg4 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.11.29"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Mikhailenko, Galina"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2139"]
[BlackElo "1839"]
[PlyCount "89"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. e3 Nf6 5. b3 Ne4 6. Bd3 f5 7. 0-0 Bd6 8. Bb2 0-0 9. Nc3 Nd7 10. Ne2 Ndf6 11. Ne5 Ng5 12. Qc2 Nf7 13. c5 Bc7 14. b4 a6 15. f3 g5 16. a4 Nxe5 17. dxe5 Nd7 18. f4 Rf7 19. Nd4 Nf8 20. b5 axb5 21. axb5 Rxa1 22. Rxa1 cxb5 23. Nxb5 Bd7 24. Nd6 Bxd6 25. exd6 gxf4 26. exf4 Ng6 27. g3 h6 28. Qc3 Kh7 29. Be2 Qg8 30. Qd4 Bc6 31. Bh5 Bd7 32. Re1 Rf8 33. Ra1 Rf7 34. Kf2 Bc6 35. h4 Bd7 36. Bc3 Bc6 37. Be2 Qe8 38. h5 Nh8 39. g4 Qg8 40. g5 hxg5 41. fxg5 Rf8 42. g6+ Nxg6 43. hxg6+ Qxg6 44. Rh1+ Kg8 45. Rg1 1-0

[Event "Khanty-Mansiysk Governor Cup-B 9th"]
[Site "Khanty-Mansiysk"]
[Date "2013.11.28"]
[Round "1"]
[White "Kidamov, Anatoly"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2139"]
[PlyCount "20"]
[EventDate "2013.11.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 cxd4 5. cxd4 dxe4 6. Bxe4 Nf6 7. Bg5 Qa5+ 8. Qd2 Bb4 9. Nc3 Nxe4 10. Nxe4 Bxd2+ 0-1

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.10"]
[Round "9"]
[White "Konaplev, Anton"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1939"]
[BlackElo "2129"]
[PlyCount "63"]
[EventDate "2013.08.02"]
[EventType "team-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. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 Nb4 10. Bd3 d6 11. Bg5 Be6 12. a3 Nxd3+ 13. cxd3 Nd7 14. b4 Rc8 15. Kd2 h6 16. Be3 Nf6 17. Rac1 Kd7 18. Na4 Rc6 19. Rxc6 bxc6 20. f4 Ng4 21. fxe5 Nxe5 22. Bd4 f6 23. Rc1 Kc7 24. Nc3 Rb8 25. Nd5+ Kb7 26. Bxe5 fxe5 27. Ne7 Bd7 28. Rf1 Be6 29. Rc1 Bd7 30. Rf1 Be6 31. Rc1 Bd7 32. Rf1 1/2-1/2

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.09"]
[Round "8"]
[White "Orekhov, Nikolai"]
[Black "Ufimtsev, Egor"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2129"]
[BlackElo "1946"]
[PlyCount "142"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Bxf6 Nxf6 12. Nbd2 Rc8 13. Nb3 Be4 14. Qc1 Nd7 15. Qe3 Bd5 16. Rfd1 c5 17. dxc5 Nxc5 18. Ne5 Bg5 19. f4 Nxb3 20. axb3 Be7 21. Kh1 Bc5 22. Qd3 Bxg2+ 23. Kxg2 Qc7 24. Qf3 Bd6 25. Nd3 Qb6 26. Rac1 Rfd8 27. Nf2 h6 28. Rc3 Be7 29. Rdc1 Rxc3 30. Rxc3 a5 31. Nd3 a4 32. bxa4 bxa4 33. Qe4 Qa5 34. Rc4 a3 35. bxa3 Qxa3 36. Rc7 Bd6 37. Rb7 Qa8 38. Qf3 Rb8 39. Rxb8+ Qxb8 40. f5 exf5 41. Qxf5 Qe8 42. Qf3 Qe6 43. h3 g6 44. g4 Kg7 45. Nf2 Qe5 46. Ne4 Qh2+ 47. Kf1 Qf4 48. Kf2 Qxf3+ 49. Kxf3 Be5 50. Nc5 Bd6 51. Nd3 Kf6 52. Nf2 Bb8 53. h4 Kg7 54. e4 Kf6 55. Nd1 Ba7 56. Nc3 Ke5 57. g5 hxg5 58. hxg5 f6 59. gxf6 Kxf6 60. Nd5+ Kf7 61. Nf4 Bb8 62. Nd3 Bc7 63. Nf2 Bb8 64. Nh3 Kf6 65. Ng1 Ke5 66. Ne2 g5 67. Ng3 Kf6 68. Nf5 Bf4 69. Nd4 Bb8 70. Nc6 Bc7 71. Kg4 Bf4 1/2-1/2

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.08"]
[Round "7"]
[White "Khramov, Andrey"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1978"]
[BlackElo "2129"]
[PlyCount "73"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. Qd1 Nc6 10. Nf3 c4 11. h4 h6 12. Nh2 Bd7 13. h5 0-0-0 14. Ng4 g5 15. f4 Qa5 16. fxg5 hxg5 17. h6 Nge7 18. Nf6 Nf5 19. h7 Nce7 20. Rh3 Ng6 21. Bxg5 Ba4 22. Qd2 Qb6 23. Ng4 Qb2 24. Qc1 Qxc2 25. Qxc2 Bxc2 26. Bxd8 Kxd8 27. Kd2 Ba4 28. Nf6 Ke7 29. Rb1 b5 30. Be2 Nf4 31. Rf3 Nxg2 32. Rg1 Ngh4 33. Rg8 Ng6 34. Nxd5+ exd5 35. Rxh8 Nxh8 36. Rxf5 Kf8 37. Rg5 1-0

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.07"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Mamchenko, Sergei"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2129"]
[BlackElo "1927"]
[PlyCount "87"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Be2 Nbd7 9. 0-0 dxc4 10. Bxc4 Nd5 11. h3 Be7 12. e4 Nxc3 13. bxc3 0-0 14. Be3 Qc7 15. Rc1 c5 16. Qb3 Rac8 17. f4 Nf6 18. e5 Nd7 19. Be2 Nb6 20. Bf3 Rfd8 21. Be4 cxd4 22. cxd4 Qd7 23. g4 Nd5 24. Bxd5 Qxd5 25. Qxd5 exd5 26. f5 gxf5 27. gxf5 Ba3 28. Rb1 Rc3 29. Rf3 b6 30. Kg2 Rc2+ 31. Rf2 Rdc8 32. Rb5 R2c3 33. Re2 Rd8 34. Bg5 f6 35. exf6 gxf6 36. Bxf6 Rf8 37. Re6 Kf7 38. Rxd5 Rg8+ 39. Kf2 Rc2+ 40. Kf3 Rc3+ 41. Ke4 Rgg3 42. Rd7+ Kf8 43. Rxa7 Rxh3 44. Bg7+ 1-0

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.06"]
[Round "5"]
[White "Payanidi, Janis"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2047"]
[BlackElo "2129"]
[PlyCount "80"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. c3 Nbc6 9. Nf3 cxd4 10. cxd4 Qa5 11. Nc3 b6 12. Bd3 Nb4 13. Be2 Ba6 14. 0-0 Bxe2 15. Qxe2 Qa6 16. Qxa6 Nxa6 17. a3 Nb8 18. Rac1 Nbc6 19. b4 a6 20. Rc2 Rfc8 21. Na4 Rab8 22. Rfc1 h6 23. h3 Kh7 24. Nb2 Na7 25. a4 Rxc2 26. Rxc2 Rc8 27. Rxc8 Naxc8 28. Nd3 Nc6 29. Kf1 N8e7 30. g4 a5 31. b5 Nb8 32. Nd2 Nd7 33. f4 g6 34. Nb3 Nc8 35. Kf2 Kg7 36. Ke3 Kh7 37. Kf3 Kg7 38. Ke3 Kh7 39. Kf3 Kg7 40. Ke3 Kh7 1/2-1/2

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.05"]
[Round "4"]
[White "Orekhov, Nikolai"]
[Black "Gusarov, Aleksey"]
[Result "1/2-1/2"]
[ECO "E02"]
[WhiteElo "2129"]
[BlackElo "2041"]
[PlyCount "120"]
[EventDate "2013.08.02"]
[EventType "team-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 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 c5 8. dxc5 Bxc5 9. Qxc4 Nbd7 10. Nc3 Qc7 11. Qb3 Nb6 12. Bf4 Qe7 13. Bg5 h6 14. Bxf6 Qxf6 15. Ne4 Qe7 16. Rac1 Bd6 17. Nxd6 Qxd6 18. Rfd1 Qe7 19. Ne5 Rd8 20. Rxd8+ Qxd8 21. Rd1 Qc7 22. Qb5 Kf8 23. Qb4+ Kg8 24. Qd4 Nd5 25. e4 f6 26. Ng6 Nb6 27. e5 f5 28. h4 Bd7 29. h5 Re8 30. g4 Bc6 31. gxf5 Bxg2 32. Kxg2 Qc6+ 33. Kg3 exf5 34. Qb4 Kh7 35. Qf4 Qc2 36. Rd2 Qc1 37. Rd4 Qg1+ 38. Kh3 Qh1+ 39. Kg3 Qxh5 40. Nh4 Qg4+ 41. Qxg4 fxg4 42. Re4 Nd7 43. Rxg4 Rxe5 44. Rd4 Rg5+ 45. Kf3 Ne5+ 46. Ke3 Rg4 47. b3 Rxd4 48. Kxd4 Nc6+ 49. Ke4 g5 50. Nf5 Kg6 51. Nd6 Nd8 52. b4 a6 53. a4 h5 54. b5 axb5 55. Nxb5 h4 56. Nd6 g4 57. Kf4 Kh5 58. Ne4 Ne6+ 59. Ke5 Nf8 60. Nf6+ Kg5 1/2-1/2

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.04"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Piskovets, Nikita"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2129"]
[BlackElo "2181"]
[PlyCount "82"]
[EventDate "2013.08.02"]
[EventType "team-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 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Nd7 7. Qxc4 Nb6 8. Qc2 Bb4+ 9. Nc3 Nxd4 10. Nxd4 Qxd4 11. 0-0 Bxc3 12. bxc3 Qa4 13. Qb1 0-0 14. Bf4 c6 15. Rd1 Qa5 16. Qb4 Qxb4 17. cxb4 f6 18. Bd6 Re8 19. a4 a6 20. a5 Nd7 21. f4 e5 22. e4 exf4 23. gxf4 Nf8 24. f5 g6 25. Rf1 Kg7 26. Rad1 Nd7 27. Bg3 Ne5 28. Bxe5 fxe5 29. Bh3 Rb8 30. f6+ Kf7 31. Bxc8 Rexc8 32. Rd7+ Kg8 33. Rfd1 Rf8 34. Rg7+ Kh8 35. Rdd7 Rxf6 36. Rxh7+ Kg8 37. Rxb7 Rxb7 38. Rxb7 Rf4 39. Rb6 Rxe4 40. Rxc6 Kf7 41. Rxa6 Rxb4 1/2-1/2

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.03"]
[Round "2"]
[White "Usmanov, Vasily"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2377"]
[BlackElo "2129"]
[PlyCount "106"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c6 2. e4 e5 3. Nf3 d6 4. d4 Nd7 5. Bd3 Ngf6 6. 0-0 Be7 7. h3 0-0 8. Nc3 Qc7 9. Re1 a6 10. d5 Nc5 11. Bf1 a5 12. Rb1 Bd7 13. b3 Rfc8 14. a3 cxd5 15. Nxd5 Nxd5 16. cxd5 a4 17. b4 Nb3 18. Bd3 Nxc1 19. Rxc1 Qxc1 20. Qxc1 Rxc1 21. Rxc1 Bd8 22. Kf1 Kf8 23. Ke2 Ke7 24. Nd2 b5 25. Nf1 Bb6 26. Ne3 g6 27. f3 Kd8 28. Kd2 Bd4 29. Nc2 Bb6 30. Ne3 Bd4 31. Nc2 Bb6 32. Rf1 Ke7 33. f4 f6 34. fxe5 fxe5 35. Ne1 Rc8 36. Nf3 h6 37. Be2 Be8 38. g4 Rc7 39. Nxe5 Bd4 40. Nf3 Bc3+ 41. Kd3 Bg7 42. e5 dxe5 43. Nd2 Bf7 44. Ke4 Kd6 45. Bxb5 Bxd5+ 46. Ke3 e4 47. Nxe4+ Bxe4 48. Kxe4 Re7+ 49. Kd3 Rc7 50. Bc4 Bb2 51. b5 Kc5 52. Bf7 Kxb5 53. Bxg6 Bxa3 1-0

[Event "RUS-chT U20"]
[Site "Kaliningrad"]
[Date "2013.08.02"]
[Round "1"]
[White "Goryachkin, Alexey"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1889"]
[BlackElo "2129"]
[PlyCount "196"]
[EventDate "2013.08.02"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. cxd5 cxd5 5. d4 Nc6 6. Bg2 Bf5 7. 0-0 e6 8. Nc3 Be7 9. Nh4 Bg6 10. Nxg6 hxg6 11. b3 0-0 12. Bb2 Rc8 13. Rc1 Qa5 14. Qd3 Ba3 15. Bxa3 Qxa3 16. Nb5 Qe7 17. e3 Qd7 18. Nc3 Qe7 19. Qd2 Nd7 20. e4 dxe4 21. Bxe4 Nf6 22. Bg2 Rfd8 23. d5 Qb4 24. Rfd1 Ne7 25. d6 Nf5 26. Qb2 Rxd6 27. Rxd6 Nxd6 28. a3 Qb6 29. Rd1 Nc4 30. Qa2 Na5 31. Ne2 Qxb3 32. Qxb3 Nxb3 33. Bxb7 Rb8 34. Bf3 Na5 35. Nd4 Rd8 36. Nb5 Rxd1+ 37. Bxd1 Nc6 38. f4 a5 39. Ba4 Nd5 40. Nd6 Nd4 41. Nb7 Nb6 42. Bd1 Nb5 43. Nxa5 Nxa3 44. Kf2 Nac4 45. Nxc4 Nxc4 46. Be2 Nd6 47. Kf3 Kf8 48. g4 Ke7 49. Ke3 Nb7 50. Kd4 Kd6 51. Bb5 Nd8 52. Ba4 Ke7 53. g5 Nb7 54. Bc6 Nd6 55. Ba4 Nf5+ 56. Ke5 Ne3 57. h3 Nd5 58. Bb3 Nb6 59. Ba2 Nd7+ 60. Kd4 Kd6 61. Bc4 Nb6 62. Bb5 Nd5 63. Be8 Ke7 64. Bc6 Nxf4 65. h4 Ne2+ 66. Ke3 Ng3 67. Kf4 Nf5 68. Kg4 Nd6 69. Kf4 Nc4 70. Bb5 e5+ 71. Kf3 Nd6 72. Bc6 f5 73. Bd5 Nb5 74. Bc4 Nd4+ 75. Ke3 Ne6 76. Bb5 Nf4 77. Kf3 Nd5 78. Bc6 Kd6 79. Be8 Ne7 80. Bf7 Kc5 81. Ke3 Kb4 82. Kd3 Kc5 83. Ke3 Kd6 84. Kd3 Nd5 85. Kd2 Nf4 86. Ke3 Ke7 87. Bc4 Ne6 88. Kf3 Kd6 89. Ke3 e4 90. Bb3 Ke5 91. Bd1 Nf4 92. Kf2 Nd5 93. Kg3 f4+ 94. Kf2 Ne7 95. Kg2 Nf5 96. Kh3 f3 97. Kh2 Ne3 98. Bb3 f2 0-1

[Event "Pardubice Czech op-B 24th"]
[Site "Pardubice"]
[Date "2013.07.21"]
[Round "3"]
[White "Ragnarsson, Dagur"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2020"]
[BlackElo "2125"]
[PlyCount "97"]
[EventDate "2013.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. Bg2 dxc4 5. Na3 Nbd7 6. Nxc4 c5 7. 0-0 b5 8. Nce5 Bb7 9. Nxf7 Kxf7 10. Ng5+ Ke7 11. Bxb7 Rb8 12. Bg2 h6 13. Nh3 Kf7 14. d4 cxd4 15. Qxd4 Bc5 16. Qc3 Qb6 17. e3 Rhc8 18. Rd1 Be7 19. Qd2 Rd8 20. Qe2 Rbc8 21. b3 Nc5 22. Bb2 Nce4 23. Nf4 Nc3 24. Bxc3 Rxd1+ 25. Rxd1 Rxc3 26. h4 Rc5 27. Qd3 Rc8 28. Bh3 Rc6 29. Qg6+ Kf8 30. Nd3 Qc7 31. e4 e5 32. Qf5 Bd6 33. g4 Qd7 34. Qf3 Qf7 35. g5 hxg5 36. hxg5 Nh7 37. Nxe5 Qxf3 38. Nxf3 Be7 39. Rd5 Rc5 40. Rxc5 Bxc5 41. Bf5 Kg8 42. Bxh7+ Kxh7 43. Nh4 Bd6 44. g6+ Kg8 45. Kg2 Kf8 46. f4 Ke7 47. Kf2 Bc5+ 48. Kf3 Kf6 49. f5 1-0

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.07.04"]
[Round "9"]
[White "Orekhov, Nikolai"]
[Black "Soboleva, Anastasia"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2125"]
[BlackElo "1940"]
[PlyCount "61"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 c5 7. Nc3 cxd4 8. Nxd4 Bxg2 9. Kxg2 a6 10. e4 Qc7 11. Qe2 d6 12. Be3 0-0 13. f3 Nbd7 14. Rac1 Qb7 15. Rfd1 d5 16. cxd5 exd5 17. Nf5 Bc5 18. Bxc5 Nxc5 19. b4 Ne6 20. exd5 Nc7 21. d6 Ne6 22. Ne4 Nd7 23. Qb2 Qb8 24. Ng5 Nf6 25. Ne7+ Kh8 26. Rc8 Qxc8 27. Nxc8 Raxc8 28. Nxe6 fxe6 29. d7 Rcd8 30. Qe5 Nxd7 31. Qc7 1-0

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.07.03"]
[Round "8"]
[White "Chernyshev, Alexander"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2061"]
[BlackElo "2125"]
[PlyCount "60"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 b6 8. Qa4 a5 9. dxc5 bxc5 10. Qg4 Bf8 11. 0-0 Ba6 12. c4 Nc6 13. Re1 Nb6 14. b3 dxc4 15. Bxc4 Nxc4 16. Nxc4 Bxc4 17. bxc4 Qd3 18. Be3 Qg6 19. Qxg6 hxg6 20. Rab1 Be7 21. Rb5 Nb4 22. Re2 0-0 23. Bxc5 Bxc5 24. Rxc5 Rfd8 25. a3 Nc2 26. g3 Nxa3 27. Ra2 Rd3 28. Kg2 Rc3 29. Nd2 a4 30. h4 Rc2 1/2-1/2

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.07.02"]
[Round "7"]
[White "Orekhov, Nikolai"]
[Black "Kovalenko, Sergey D"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2125"]
[BlackElo "2305"]
[PlyCount "38"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. f3 Bb7 6. Nc3 a6 7. e4 d6 8. Be3 e6 9. Be2 Be7 10. 0-0 0-0 11. Rb1 Nbd7 12. b4 Qc7 13. Qb3 Rab8 14. Rfc1 Rfc8 15. Qd1 Qd8 16. Nb3 d5 17. cxd5 Bxb4 18. dxe6 Bxc3 19. exd7 Qxd7 1/2-1/2

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.06.30"]
[Round "6"]
[White "Provkin, Vladimir"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2182"]
[BlackElo "2125"]
[PlyCount "79"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. Nf3 Qb6 5. b3 Bf5 6. e3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 9. 0-0 e6 10. Nbd2 Be7 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Kxe7 14. f4 Rad8 15. Kh1 Nc5 16. Qe2 h5 17. f5 Qc7 18. f6+ gxf6 19. exf6+ Kd7 20. b4 Na4 21. Qd3 Kc8 22. Rab1 Nb6 23. b5 c5 24. a4 Nd7 25. Qc3 Qe5 26. Qa3 Rhg8 27. Rf2 Rg6 28. Rbf1 Kb8 29. c4 Nxf6 30. Nf3 Qc7 31. a5 Ng4 32. Rc2 dxc4 33. b6 Qd6 34. bxa7+ Ka8 35. Rd2 Qc7 36. Rxd8+ Qxd8 37. Qxc5 Qd3 38. Qc8+ Kxa7 39. Qc5+ Kb8 40. Qf8+ 1/2-1/2

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.06.28"]
[Round "4"]
[White "Shestakov, A."]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2149"]
[BlackElo "2125"]
[PlyCount "34"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 d5 2. b3 Nc6 3. Nf3 Bg4 4. e3 e5 5. h3 Bxf3 6. Qxf3 exf4 7. exf4 Qf6 8. Nc3 0-0-0 9. Be2 Nd4 10. Qg4+ Kb8 11. 0-0 Nh6 12. Qg5 Nxe2+ 13. Nxe2 Bc5+ 14. d4 Bxd4+ 15. Nxd4 Qxd4+ 16. Be3 Qxe3+ 17. Kh1 f6 0-1

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.06.27"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Rodionov, Roman"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2125"]
[BlackElo "1778"]
[PlyCount "91"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. g3 Nbd7 6. Bg2 Bd6 7. 0-0 0-0 8. Nbd2 Bc7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Re8 12. Rd1 e5 13. dxe5 Qe7 14. Bg5 f6 15. Bf4 Nxe5 16. Nxe5 Bxe5 17. Bxe5 Qxe5 18. Qc2 Bg4 19. Rf1 Rad8 20. h3 Bf5 21. Qb3 Re7 22. Qb4 Rde8 23. Rad1 c5 24. Qd2 b6 25. Kh2 Bg6 26. Bc6 Rc8 27. Bd7 Rc7 28. Bg4 f5 29. Rfe1 Qd4 30. Rxe7 Rxe7 31. Bf3 f4 32. Qxd4 cxd4 33. Rxd4 fxg3+ 34. Kxg3 Kf7 35. b4 Ke6 36. Bg4+ Ke5 37. Rd5+ Kf6 38. Rd6+ Ke5 39. c5 Rc7 40. f4+ Ke4 41. c6 Bf5 42. Bf3+ Ke3 43. h4 g6 44. Rd8 h6 45. Rh8 Be4 46. Re8 1-0

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.06.26"]
[Round "2"]
[White "Artemov, Nikita"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1981"]
[BlackElo "2125"]
[PlyCount "49"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. c4 dxc4 7. Bxc4 Nb6 8. Bd3 c5 9. 0-0 cxd4 10. Nb3 Nc6 11. Nbxd4 Bd7 12. a3 Nd5 13. Nxc6 bxc6 14. Nd2 Nf4 15. Ne4 Nxd3 16. Qxd3 Qa5 17. Rd1 Qd5 18. Qf3 Qxe5 19. Bf4 Qf5 20. Rxd7 Kxd7 21. Rd1+ Bd6 22. Nxd6 Qc2 23. Nxf7+ Ke7 24. Nxh8 Rxh8 25. Bg5+ 1-0

[Event "Zagorovsky Memorial op"]
[Site "Voronezh"]
[Date "2013.06.25"]
[Round "1"]
[White "Orekhov, Nikolai"]
[Black "Chermashentsev, Victor"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2125"]
[BlackElo "1825"]
[PlyCount "89"]
[EventDate "2013.06.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 Nf6 5. e3 Nbd7 6. Qc2 Qc7 7. Bd3 dxc4 8. Bxc4 Bd6 9. 0-0 g5 10. Nxg5 Bxh2+ 11. Kh1 Ng4 12. e4 Bf4 13. g3 Bxc1 14. Raxc1 h5 15. Qe2 Nb6 16. Bb3 Qe7 17. f4 Bd7 18. e5 0-0-0 19. Nce4 Kb8 20. Kg2 Be8 21. Rcd1 Nd5 22. Bxd5 exd5 23. Nd2 f5 24. Ndf3 c5 25. Rc1 Rc8 26. Nh4 Rf8 27. Ngf3 a6 28. Rfe1 c4 29. Qc2 Rc6 30. Nxf5 Qh7 31. N5h4 Qh6 32. Qd2 Bd7 33. Rc3 Bf5 34. Nxf5 Rxf5 35. Nh4 Rf8 36. Re2 Qh7 37. Rf3 Nh6 38. e6 Nf5 39. Nxf5 Qxf5 40. Re5 Qg4 41. f5 h4 42. Qf4 Qg8 43. e7 Re8 44. f6 h3+ 45. Kxh3 1-0

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.20"]
[Round "9"]
[White "Shuvalova, Polina"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "1983"]
[BlackElo "2125"]
[PlyCount "99"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. exd5 Qxd5 6. Ngf3 cxd4 7. 0-0 Nc6 8. Bc4 Qd8 9. Nb3 Bf6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Nbxd4 Bd7 13. Bf4 Be7 14. Ne5 Nf6 15. Qf3 Qb6 16. Rfd1 Rd8 17. b3 Bc8 18. Ne2 0-0 19. c4 Qa5 20. Qc3 Bb4 21. Qc2 Nh5 22. Nd3 Nxf4 23. Nexf4 Be7 24. Rab1 Qf5 25. Qe2 Rd4 26. g3 Ba3 27. Qe3 Rfd8 28. b4 a5 29. Nd5 R8xd5 30. cxd5 Qxd5 31. Qe2 g5 32. Ne5 Bxb4 33. Rxd4 Qxd4 34. Rd1 Qc3 35. Rd3 Qc7 36. Ng4 Be7 37. Nh6+ Kf8 38. Qh5 Bf6 39. Rf3 Qe7 40. Ng4 Bg7 41. Qxh7 Bd7 42. Nh6 Qc5 43. Qg8+ Ke7 44. Qxf7+ Kd6 45. Qxg7 Qc1+ 46. Kg2 Bc6 47. Nf7+ Kd5 48. Qe5+ Kc4 49. Nd6+ Kb4 50. Qd4+ 1-0

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.19"]
[Round "8"]
[White "Orekhov, Nikolai"]
[Black "Manukovsky, Vladimir"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2125"]
[BlackElo "2233"]
[PlyCount "63"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. c3 Qb6 7. Nb3 Nf6 8. e4 0-0 9. 0-0 d6 10. Be3 Qc7 11. h3 b6 12. N1d2 Bb7 13. a4 Rfd8 14. f4 Ba6 15. Re1 e5 16. Qf3 d5 17. Qf2 dxe4 18. Nxe4 Nd5 19. Rad1 Nxe3 20. Qxe3 exf4 21. Qxf4 Qxf4 22. gxf4 Rxd1 23. Rxd1 Rd8 24. Rxd8+ Nxd8 25. Nd6 Kf8 26. Kf2 Ke7 27. Nb5 Ne6 28. Kf3 f5 29. Bf1 Bh6 30. N3d4 Nxf4 31. Nc6+ Kd7 32. Ncxa7 1/2-1/2

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.17"]
[Round "7"]
[White "Grishchenko, Vladimir"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2020"]
[BlackElo "2125"]
[PlyCount "114"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Re1 Nc6 9. c3 a5 10. e5 Ng4 11. d4 cxd4 12. cxd4 f6 13. h3 Nxf2 14. Qe2 fxe5 15. dxe5 Qb6 16. Kh2 Nb4 17. Nb3 Ne4 18. Be3 Qa6 19. Nc5 Qxe2 20. Rxe2 Nxc5 21. Bxc5 Re8 22. a3 Nc6 23. Bd6 Bd7 24. b3 Rac8 25. b4 a4 26. h4 Bf8 27. b5 Na7 28. b6 Nb5 29. Bxf8 Rxf8 30. Ng5 h6 31. Nh3 Nd4 32. Rf2 Rxf2 33. Nxf2 Rc2 34. Ng4 Kg7 35. Kh3 Rc3 36. Nf6 Bc6 37. Kh2 Nf5 38. h5 g5 39. Bh3 Rc2+ 40. Kg1 d4 41. Bxf5 exf5 42. Rd1 Re2 43. Rxd4 Rxe5 44. Nd7 Re3 45. Rd6 Be4 46. Rg6+ Kf7 47. Rxh6 Rxg3+ 48. Kf1 Rc3 49. Ne5+ Ke7 50. Rh7+ Ke6 51. Nf7 Kf6 52. Nd6 Bf3 53. Nxb7 g4 54. Nd6 g3 55. Rc7 Rb3 56. Rc1 Rxb6 57. Nc8 Rb2 0-1

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.17"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Gritsenko, Vladimir"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2125"]
[BlackElo "2257"]
[PlyCount "60"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 Nh5 8. Be3 e5 9. a4 Qd8 10. Bb5+ Nd7 11. Ne2 Be7 12. 0-0 g6 13. b4 cxb4 14. cxb4 0-0 15. Nd2 Bg5 16. Bf2 f5 17. Bd3 Ndf6 18. Qc2 Bd7 19. Nc4 fxe4 20. Bxe4 Rc8 21. Qd3 Nxe4 22. fxe4 Qc7 23. Ne3 Nf4 24. Qd2 Nxe2+ 25. Qxe2 Qc3 26. h4 Rxf2 27. Kxf2 Bxe3+ 28. Qxe3 Rf8+ 29. Ke2 Bg4+ 30. Rf3 Qxa1 0-1

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.16"]
[Round "5"]
[White "Orekhov, Nikolai"]
[Black "Izhokin, Igor"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2125"]
[BlackElo "2060"]
[PlyCount "83"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Bxf6 Nxf6 12. Nbd2 Rc8 13. Nb3 Be4 14. Qc3 Nd7 15. Rfd1 c6 16. Rac1 Qc7 17. Ne5 Bxg2 18. Nxd7 Qxd7 19. Kxg2 Qa7 20. Rc2 Rc7 21. Rdc1 Rfc8 22. Qa5 h6 23. Nc5 Qa8 24. e3 Bd8 25. Kg1 Ra7 26. Qc3 a5 27. Qd3 a4 28. Ne4 Rac7 29. Nc5 Be7 30. Qe4 Rd8 31. Nd3 Rd5 32. Nf4 Rd6 33. Rc5 Rd5 34. Nxd5 exd5 35. Qe5 Qc8 36. R5c2 b4 37. Qh5 a3 38. b3 Bd6 39. Qe2 c5 40. dxc5 Bxc5 41. Qb5 Bd6 42. Rxc7 1-0

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.15"]
[Round "4"]
[White "Aseeva, Anastasia"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2035"]
[BlackElo "2125"]
[PlyCount "68"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. a3 Be7 10. cxd5 exd5 11. Bd3 Qd8 12. 0-0 a5 13. f3 h6 14. Bh4 c5 15. Bg3 cxd4 16. exd4 Nb8 17. Nb5 Nc6 18. Bc7 Qd7 19. Nb3 a4 20. Nc5 Bxc5 21. Qxc5 b6 22. Qxb6 Ba6 23. Rfd1 Rfc8 24. Rac1 Bxb5 25. Bxb5 Qxc7 26. Rxc6 Qf4 27. Qc5 Qe3+ 28. Kh1 Rxc6 29. Qxc6 Rb8 30. Bxa4 Rxb2 31. Qc8+ Kh7 32. Qf5+ Kg8 33. Qc8+ Kh7 34. Qf5+ Kg8 1/2-1/2

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.14"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Klimentov, Evgeny"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2125"]
[BlackElo "2006"]
[PlyCount "111"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. Nf3 c5 7. 0-0 Nc6 8. d5 Na5 9. Nd2 Bd7 10. Qc2 Rb8 11. b3 a6 12. Bb2 b5 13. Rab1 bxc4 14. bxc4 e6 15. e4 Re8 16. Ba1 exd5 17. Rxb8 Qxb8 18. exd5 Bf5 19. Nce4 Nxe4 20. Bxe4 Bxa1 21. Rxa1 Bd7 22. Rb1 Qd8 23. Qc3 f5 24. Bd3 Bc8 25. Nf3 Nb7 26. Re1 Rxe1+ 27. Qxe1 Qf8 28. Ng5 Nd8 29. f4 Nf7 30. Nf3 Bd7 31. Qa5 Qe7 32. Kf2 Bc8 33. Qb6 Kg7 34. Qb8 Qb7 35. Qxb7 Bxb7 36. Bc2 Kf6 37. Ba4 Bc8 38. Be8 Ke7 39. Bxf7 Kxf7 40. Ke3 h6 41. h4 Ke7 42. Kd3 Kd7 43. Kc3 Kc7 44. Kb3 Bd7 45. Ka3 Kd8 46. Kb3 Kc7 47. Nd2 Kb7 48. Ka3 Kc7 49. Nf3 Kd8 50. Kb3 Kc7 51. Nh2 Kd8 52. Nf3 Kc7 53. h5 gxh5 54. Nh4 Kd8 55. Ng6 Ke8 56. Nh4 1/2-1/2

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.13"]
[Round "2"]
[White "Sitnikov, S."]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2231"]
[BlackElo "2125"]
[PlyCount "123"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. e3 c6 5. a3 Nbd7 6. d4 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. Ne4 c5 11. dxc5 Nxc5 12. Nxc5 Bxc5 13. Qc2 Be7 14. 0-0 Bb7 15. Rd1 Qc8 16. Qe2 Be4 17. Bd2 Bxd3 18. Qxd3 Qb7 19. Rac1 0-0 20. Ba5 Qe4 21. Qxe4 Nxe4 22. Rc6 Bf6 23. Nd4 Rfc8 24. Rdc1 Rxc6 25. Rxc6 Bxd4 26. exd4 Nf6 27. Kf1 Nd5 28. g3 Kf8 29. Ke2 Ke7 30. f4 Kd7 31. Rc5 g6 32. Kf3 f5 33. h3 h5 34. g4 hxg4+ 35. hxg4 Rh8 36. gxf5 gxf5 37. Kg3 Rh1 38. Rc2 Rg1+ 39. Kf2 Rg4 40. Bd2 Nf6 41. Kf3 Ne4 42. Be1 Rg1 43. Ke2 Kd6 44. Rc8 Rg2+ 45. Kd3 Rxb2 46. Bb4+ Kd7 47. Ra8 Rb3+ 48. Ke2 Kc6 49. Rxa6+ Kd5 50. Rb6 Kxd4 51. Rxb5 Rb2+ 52. Kd1 Nf2+ 53. Kc1 Nd3+ 54. Kd1 Ra2 55. Rb6 Nxf4 56. Bd6 Nd5 57. Ra6 Kd3 58. Be5 Ne3+ 59. Kc1 Nc4 60. Rxe6 Re2 61. Rd6+ Nxd6 62. Bxd6 0-1

[Event "Voronezh op-B 17th"]
[Site "Voronezh"]
[Date "2013.06.12"]
[Round "1"]
[White "Orekhov, Nikolai"]
[Black "Aleksandrov, Grigoriy"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2125"]
[BlackElo "1859"]
[PlyCount "40"]
[EventDate "2013.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 g6 4. cxd5 Nxd5 5. e4 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 b6 9. h3 Bb7 10. Qc2 Nbd7 11. Rd1 Rc8 12. Be3 Re8 13. Bc4 c6 14. Bxf7+ Kxf7 15. Ng5+ Kg8 16. Ne6 Nf8 17. Nxd8 Rexd8 18. Qa4 a5 19. Qb3+ e6 20. Qxb6 Ba8 1-0

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.08"]
[Round "9"]
[White "Orekhov, Nikolai"]
[Black "Drachev, Oleg"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2121"]
[BlackElo "2187"]
[PlyCount "109"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 Bd7 10. Rc1 e6 11. e4 b5 12. cxb5 axb5 13. e5 Ne8 14. Re1 b4 15. Na4 Ne7 16. a3 Bh6 17. Rb1 Nd5 18. axb4 f6 19. Nd2 Nxb4 20. Nc4 fxe5 21. dxe5 d5 22. Ne3 Bxa4 23. bxa4 Bxe3 24. Rxe3 c5 25. Ba3 Qa5 26. Bf1 Nc7 27. h4 c4 28. h5 Rf5 29. hxg6 hxg6 30. Qg4 Kg7 31. Rf3 Nca6 32. Rxf5 exf5 33. Qg5 Qd8 34. Qd2 Qa5 35. e6 Qc5 36. Bb2+ Kh7 37. Qc3 Qe7 38. g4 fxg4 39. Qe5 Qc7 40. Qxc7+ Nxc7 41. Be5 c3 42. Bxc3 d4 43. Bxb4 Nxe6 44. a5 Kg7 45. a6 Kf6 46. a7 Ra8 47. Ra1 Ng5 48. Ra6+ Kf5 49. Ra5+ Kf6 50. Bg2 Nf3+ 51. Bxf3 gxf3 52. Bd6 g5 53. Bb8 Ke6 54. Re5+ Kf6 55. Rd5 1-0

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.07"]
[Round "8"]
[White "Sarana, Alexey"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2209"]
[BlackElo "2121"]
[PlyCount "91"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1 c4 9. Ne2 Nc6 10. Ng3 Nge7 11. Be2 b6 12. 0-0 Bd7 13. Nh5 Rg8 14. Ra2 0-0-0 15. Kh1 Rdf8 16. Qe1 Kb7 17. Bf3 Nc8 18. Bg5 b5 19. Qd2 Nb6 20. Rb1 Qa5 21. a4 Nxa4 22. Qc1 Ka8 23. Bd2 Rb8 24. h3 Qd8 25. Nf4 Ne7 26. Qe1 Bc6 27. Bc1 Qa5 28. Ba3 Nc8 29. Bb4 Qd8 30. Qe3 Rb7 31. Nh5 h6 32. Nf4 Rb8 33. Bh5 Rb7 34. Kh2 g6 35. Bg4 Re8 36. Bf3 h5 37. g3 Qc7 38. h4 a5 39. Ba3 Qb8 40. Qe1 Rd8 41. Nh3 Rdd7 42. Bd1 Rb6 43. Bf8 Rd8 44. Ba3 Rd7 45. Bf8 Rd8 46. Ba3 1/2-1/2

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.06"]
[Round "7"]
[White "Orekhov, Nikolai"]
[Black "Bulatov, Ramil"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2121"]
[BlackElo "2221"]
[PlyCount "119"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. cxd5 Nxd5 7. Nc3 c5 8. Nxd5 Qxd5 9. d3 Nc6 10. Ng5 Qd7 11. Rb1 b6 12. a3 h6 13. Nf3 Bb7 14. b4 cxb4 15. axb4 b5 16. Be3 e5 17. Qd2 Kh7 18. Rfc1 Nd4 19. Bxd4 exd4 20. Qf4 Rfc8 21. Ne5 Bxe5 22. Qxe5 Bxg2 23. Kxg2 Kg8 24. Qf4 h5 25. Ra1 Rc3 26. Rcb1 Rc2 27. Re1 Re8 28. Qf3 Rb2 29. Rab1 Rxb1 30. Rxb1 Qd6 31. Ra1 a6 32. Rb1 Re6 33. Rb2 Qc7 34. Qa8+ Kg7 35. Ra2 Qd6 36. Rb2 Re7 37. Rc2 Qxb4 38. Qxa6 Qb1 39. Qd6 Qxc2 40. Qxe7 Qc6+ 41. Kg1 Qd5 42. h4 Qe6 43. Qc5 Qd7 44. Qb6 Qd5 45. f3 Qe5 46. Kf2 Qe3+ 47. Kf1 Qc1+ 48. Kf2 Qb2 49. Qc5 b4 50. Qe5+ Kh7 51. g4 hxg4 52. h5 gxf3 53. hxg6+ Kxg6 54. Qd6+ f6 55. Qg3+ Kf5 56. Qxf3+ Ke5 57. Qg3+ Kd5 58. Qg8+ Kc5 59. Qc8+ Kb5 60. Qe8+ 1/2-1/2

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.05"]
[Round "6"]
[White "Lyutov, Timofey"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "1856"]
[BlackElo "2121"]
[PlyCount "72"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. Nge2 h6 6. Bxf6 Qxf6 7. a3 Bxc3+ 8. Nxc3 dxe4 9. Nxe4 Qe7 10. Bd3 0-0 11. 0-0 Rd8 12. c3 Bd7 13. Qe2 Bc6 14. Rfe1 Nd7 15. Rad1 Nf8 16. Ng3 Qg5 17. Qe5 Qxe5 18. Rxe5 Ba4 19. Rd2 Nd7 20. Re1 Rab8 21. Bc2 Bxc2 22. Rxc2 c5 23. Rd2 Nb6 24. Red1 Nc4 25. Rc2 cxd4 26. cxd4 Nb6 27. Ne2 Kf8 28. Kf1 Ke7 29. Rc7+ Rd7 30. Rxd7+ Kxd7 31. Nc3 Nc4 32. Na4 Kd6 33. Nc5 Nxb2 34. Rb1 Nc4 35. Na6 Nd2+ 36. Ke2 Nxb1 0-1

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.04"]
[Round "5"]
[White "Orekhov, Nikolai"]
[Black "Mischuk, Dmitry"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2121"]
[BlackElo "2312"]
[PlyCount "60"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Be2 Nbd7 14. 0-0 Qc7 15. c5 Bc6 16. Ne5 Nxe5 17. dxe5 Ne4 18. Bf3 0-0 19. Bxe4 Bxe4 20. Qd6 Qb7 21. f3 Bc6 22. Rfd1 a4 23. Qd3 a3 24. Bd4 b3 25. Rdb1 Rfb8 26. Kf2 h6 27. h4 Qb4 28. Rd1 b2 29. Rab1 Bd5 30. g4 Ba2 0-1

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.03"]
[Round "4"]
[White "Gromak, Ivan"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1894"]
[BlackElo "2121"]
[PlyCount "80"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 Nbd7 9. h3 Bd6 10. 0-0 Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bf3 Bc7 15. Be3 0-0 16. Re1 a5 17. Qc2 Bd6 18. a3 Qc7 19. Rad1 Bf4 20. Bxf4 Qxf4 21. d5 cxd5 22. cxd5 exd5 23. Bxd5 Nxd5 24. Rxd5 Rfe8 25. Red1 Rac8 26. Qd2 Qxd2 27. R1xd2 b6 28. Rd6 b5 29. Rb6 Re5 30. Rb7 a4 31. g4 Rc4 32. Kg2 g5 33. Kg3 g6 34. Rd8+ Kg7 35. Rdd7 Rf4 36. Rd2 Rc4 37. Rdd7 Rf4 38. Rd2 Rc4 39. Rdd7 Rf4 40. Rd2 Rc4 1/2-1/2

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.02"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Ponfilenok, Vladimir"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2121"]
[BlackElo "2395"]
[PlyCount "112"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. Nc3 d5 7. cxd5 exd5 8. e3 c6 9. b3 Ne4 10. Bb2 Bf6 11. Qc2 Na6 12. a3 Nc7 13. Ne2 Ne6 14. Bxf6 Qxf6 15. d3 Nd6 16. Qc3 Qxc3 17. Nxc3 Nc5 18. b4 Nxd3 19. Rab1 Re8 20. Rfd1 Ne5 21. Nxe5 Rxe5 22. b5 Be6 23. bxc6 bxc6 24. Na4 Rc8 25. Nc5 Bf7 26. Rdc1 Re7 27. a4 Nc4 28. Bf1 Nd2 29. Ba6 Rd8 30. Rb7 Rde8 31. Rxe7 Rxe7 32. Bc8 d4 33. Bxf5 dxe3 34. fxe3 g6 35. Bd7 Bd5 36. e4 Nxe4 37. Nxe4 Rxe4 38. Bxc6 Bxc6 39. Rxc6 Rxa4 40. Rc7 Ra2 41. Rb7 h5 42. Rc7 a5 43. Rb7 a4 44. Ra7 a3 45. Kf1 Kf8 46. Ke1 Ra1+ 47. Kd2 a2 48. Kc3 Rc1+ 49. Kb2 Rh1 50. Kxa2 Rxh2+ 51. Kb1 Rg2 52. Ra3 Kf7 53. Rf3+ Kg7 54. Kc1 Kh6 55. Kd1 Kg5 56. Ke1 Kg4 0-1

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.06.01"]
[Round "2"]
[White "Trushina, Marina"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1739"]
[BlackElo "2121"]
[PlyCount "86"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Ne7 6. Bf4 Nbc6 7. c3 Bxf4 8. Qxf4 0-0 9. Nf3 Ng6 10. Qd2 Re8+ 11. Be2 Qe7 12. g3 Bg4 13. Qd3 Qxe2+ 14. Qxe2 Rxe2+ 15. Kxe2 Re8+ 16. Kd2 Bxf3 17. Re1 Rd8 18. Re3 Bg4 19. Na3 a6 20. Rae1 Kf8 21. f3 Bf5 22. Nc2 Bxc2 23. Kxc2 Nge7 24. R3e2 Nf5 25. b3 Nfxd4+ 26. cxd4 Nxd4+ 27. Kd3 Nxe2 28. Rxe2 Re8 29. Rc2 c6 30. Kd4 Ke7 31. Kc5 Kd7 32. Kb6 Kc8 33. b4 Re3 34. f4 Re4 35. Ka5 Kc7 36. Ka4 b6 37. Kb3 Re3+ 38. Kb2 Kd6 39. Kc1 c5 40. Kd2 Re8 41. Rb2 c4 42. Kc3 Re3+ 43. Kd4 Rd3# 0-1

[Event "Nezhmetdinov Memorial 35th"]
[Site "Kazan"]
[Date "2013.05.31"]
[Round "1"]
[White "Orekhov, Nikolai"]
[Black "Voitsekhovsky, Stanislav"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2121"]
[BlackElo "2523"]
[PlyCount "48"]
[EventDate "2013.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. Qc2 b4 6. b3 Bg7 7. Bb2 0-0 8. e4 d6 9. Bd3 e5 10. dxe6 fxe6 11. 0-0 e5 12. Nbd2 Nc6 13. Rfd1 Nh5 14. g3 Qf6 15. Kg2 Bh6 16. Be2 Nd4 17. Bxd4 exd4 18. h3 Bb7 19. Rf1 Rf7 20. Bd3 Raf8 21. Be2 Bxd2 22. Nxd2 Qxf2+ 23. Rxf2 Rxf2+ 24. Kg1 Rxe2 0-1

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.23"]
[Round "9"]
[White "Orekhov, Nikolai"]
[Black "Bykov, Egor"]
[Result "0-1"]
[ECO "D23"]
[WhiteElo "2118"]
[BlackElo "2047"]
[PlyCount "94"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 Nbd7 7. Bg2 e6 8. 0-0 Be7 9. Nc3 h6 10. e3 Nb6 11. Qe2 Nbd5 12. Ne5 Nxc3 13. bxc3 0-0 14. e4 Bh7 15. Bb2 c5 16. Nd3 c4 17. Ne5 b5 18. Nc6 Qc7 19. Nxe7+ Qxe7 20. a4 Qb7 21. f3 a6 22. Ba3 Rfe8 23. Rfb1 Qc6 24. Bc1 e5 25. d5 Qd7 26. Be3 Rec8 27. axb5 axb5 28. Rxa8 Rxa8 29. Qb2 Rb8 30. Bf1 Qc7 31. Qb4 Nd7 32. Qe7 f5 33. Bh3 Qb7 34. Ra1 Nf6 35. Qe6+ Kh8 36. Ra7 Qc8 37. Bxh6 Qc5+ 38. Kg2 Qxa7 39. Bg5 Re8 40. Qc6 Qd7 41. Qa6 Nh5 42. exf5 Qxd5 43. Bg4 Ra8 44. Qb6 Nf6 45. Bxf6 Qd2+ 46. Kh3 Qh6+ 47. Kg2 Ra2+ 0-1

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.22"]
[Round "8"]
[White "Mikhailov, Sergey"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2377"]
[BlackElo "2118"]
[PlyCount "82"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Rc1 e6 8. Bd3 Be7 9. h3 Bd7 10. Nf3 0-0 11. 0-0 Qa5 12. Ne5 Rfc8 13. Bg5 Be8 14. f4 Qd8 15. f5 Nd7 16. Bxe7 Qxe7 17. Nxd7 Bxd7 18. f6 gxf6 19. Qh5 f5 20. g4 Kh8 21. gxf5 Rg8+ 22. Kh2 Qg5 23. Qf3 Qf6 24. Rg1 Ne7 25. Rcf1 Rxg1 26. Rxg1 Bc6 27. Ne2 Bb5 28. Bxb5 axb5 29. Ng3 Rxa2 30. Qf4 Rxb2+ 31. Kh1 Rc2 32. Qg4 Rc8 33. Nh5 Qh6 34. Qg3 Rg8 35. Qe5+ f6 36. Qxe6 Rxg1+ 37. Kxg1 Qg5+ 38. Kh2 Qxh5 39. Qxe7 Qe2+ 40. Kg3 Qe1+ 41. Kg4 Qg1+ 1/2-1/2

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.21"]
[Round "7"]
[White "Arshaev, Ajush"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "1911"]
[BlackElo "2118"]
[PlyCount "58"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 7. Be3 Nf6 8. Qd2 Bd7 9. h3 Ne7 10. 0-0-0 Bc6 11. g4 Ned5 12. Bg2 Nxe3 13. fxe3 h6 14. Qe2 Qe7 15. h4 0-0-0 16. g5 hxg5 17. hxg5 Nh7 18. Nxe4 Bxe4 19. Bxe4 Nxg5 20. Bg2 f6 21. Bxb7+ Kxb7 22. Qb5+ Ka8 23. Qc6+ Kb8 24. Qb5+ Kc8 25. Qa6+ Kd7 26. Qb5+ Kc8 27. Qa6+ Kd7 28. Qb5+ Kc8 29. Qa6+ Kd7 1/2-1/2

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.20"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Gunchenko, Vadim"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2118"]
[BlackElo "1962"]
[PlyCount "114"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 h6 4. Bxf6 exf6 5. c4 c6 6. Nc3 Be6 7. Qb3 Qd7 8. cxd5 cxd5 9. Nge2 Nc6 10. Nf4 Rd8 11. Be2 Bd6 12. Nxe6 fxe6 13. 0-0 0-0 14. Bb5 a6 15. Bxc6 Qxc6 16. Rac1 Qd7 17. Rc2 b5 18. Rfc1 Rc8 19. Nb1 Kh8 20. Nd2 f5 21. g3 g5 22. Qd3 Kg7 23. Nf3 g4 24. Ne1 Qb7 25. Qe2 Kf7 26. Nd3 Ke7 27. Nf4 Bxf4 28. exf4 Rxc2 29. Rxc2 Rc8 30. Qe5 Kf7 31. Rc5 Rxc5 32. dxc5 Qc6 33. b4 a5 34. a3 axb4 35. axb4 Qa8 36. h4 gxh3 37. Qc7+ Kf6 38. Qh7 Qa1+ 39. Kh2 Qf1 40. Qxh6+ Ke7 41. Qg7+ Ke8 42. Qh8+ Ke7 43. Qh4+ Kd7 44. Qxh3 Qxf2+ 45. Qg2 Qd4 46. Qa2 Qxb4 47. Qa7+ Ke8 48. Kh3 Qe1 49. Kh4 Qc3 50. Qc7 Qf6+ 51. Kh3 Qh8+ 52. Kg2 Qb2+ 53. Kh1 Qb1+ 54. Kg2 Qe4+ 55. Kh2 Qe2+ 56. Kg1 Qe3+ 57. Kh2 Qe2+ 1/2-1/2

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.19"]
[Round "5"]
[White "Orekhov, Nikolai"]
[Black "Dida, Igor"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2118"]
[BlackElo "1947"]
[PlyCount "69"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Nd2 c5 5. e5 Nd5 6. Bxe7 Qxe7 7. Ne4 0-0 8. Nxc5 d6 9. Nd3 Nc6 10. Nf3 dxe5 11. dxe5 Rd8 12. Qd2 Ndb4 13. a3 Nxd3+ 14. Bxd3 Qc5 15. 0-0 b5 16. Qf4 h6 17. b4 Qb6 18. Qe4 Kf8 19. Qh7 Ne7 20. Qh8+ Ng8 21. Bh7 Ke7 22. Bxg8 Bb7 23. Qxg7 Rxg8 24. Qf6+ Ke8 25. Rad1 Be4 26. Rd6 Qb7 27. Rfd1 Bd5 28. R1xd5 exd5 29. e6 Qe7 30. exf7+ Qxf7 31. Qe5+ Kf8 32. Rf6 Rd8 33. Qf5 Qxf6 34. Qxf6+ Ke8 35. Ne5 1-0

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.18"]
[Round "4"]
[White "Severina, Maria"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2232"]
[BlackElo "2118"]
[PlyCount "101"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. b3 g6 6. Bb2 Bg7 7. d3 0-0 8. Nbd2 Ne8 9. d4 Nd6 10. c4 Nd7 11. h3 Bxf3 12. Bxf3 Nf6 13. Qc2 Qd7 14. h4 Qh3 15. Bg2 Qe6 16. e3 Rac8 17. Rac1 Nfe4 18. Nf3 f5 19. c5 Nf7 20. b4 h6 21. Qe2 a6 22. a4 g5 23. b5 axb5 24. axb5 Qg6 25. Ra1 g4 26. Ne1 e5 27. Nd3 Qe6 28. bxc6 bxc6 29. Qc2 Rb8 30. Ra7 Rb5 31. dxe5 Nxe5 32. Rxg7+ Kxg7 33. Bxe5+ Kh7 34. Rb1 Rxb1+ 35. Qxb1 Qd7 36. Qb6 Nd2 37. Qc7 Qxc7 38. Bxc7 Rf7 39. Bb6 Nc4 40. Nb4 Ne5 41. Nc2 Nc4 42. Nd4 Nxb6 43. cxb6 Rb7 44. Nxc6 Rxb6 45. Bxd5 Kg6 46. Nd4 Kf6 47. Bc4 Ke5 48. Bd3 Rd6 49. Bc2 Rd5 50. Nxf5 Rd2 51. Nd4 1-0

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.16"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Martynov, Roman"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2118"]
[BlackElo "2279"]
[PlyCount "91"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 d6 6. Qd2 a6 7. f4 g5 8. Nh3 gxf4 9. Nxf4 Nc6 10. 0-0-0 h5 11. Kb1 Bh6 12. g3 h4 13. Be2 Bd7 14. Nh5 Qe7 15. Qe1 hxg3 16. hxg3 0-0-0 17. Qf1 Kb8 18. Qf2 Bg5 19. Rdf1 Rdf8 20. Nf4 Rhg8 21. Bh5 Be8 22. Nce2 Bd7 23. Qe1 Qd8 24. Ng1 e5 25. dxe5 Nxe5 26. Nf3 Nxf3 27. Rxf3 Rh8 28. g4 Rxh5 29. gxh5 Bg4 30. Qg3 Bxf3 31. Qxf3 Qf6 32. Rf1 Bxf4 33. Qxf4 Qxf4 34. Rxf4 Kc8 35. c4 Kd7 36. Kc2 Ke6 37. Kd3 Rh8 38. Rf5 Rg8 39. b4 Rg3+ 40. Ke2 Ra3 41. Kf2 Rxa2+ 42. Kg3 Ra1 43. Kg2 Ra2+ 44. Kg3 Ra3+ 45. Kg2 Ra2+ 46. Kg3 1/2-1/2

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.15"]
[Round "3"]
[White "Ivaschenko, Vadim"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2275"]
[BlackElo "2118"]
[PlyCount "61"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 e6 3. f4 dxe4 4. Nxe4 Nf6 5. Nc3 c5 6. Nf3 Be7 7. g3 b6 8. Bg2 Bb7 9. b3 Nbd7 10. Qe2 a6 11. Bb2 0-0 12. 0-0 Rc8 13. Rae1 Re8 14. Ne5 Qc7 15. a4 Bf8 16. d3 Bxg2 17. Qxg2 Nb8 18. g4 Rcd8 19. g5 Nd5 20. Ne4 Ne7 21. h4 Nf5 22. h5 Nd7 23. h6 Nxe5 24. Bxe5 Qd7 25. Kh1 Qd5 26. Re2 Nh4 27. Qh3 Ng6 28. Bxg7 Bxg7 29. hxg7 Kxg7 30. Qh6+ Kg8 31. Rg2 1-0

[Event "Dvorkovich Memorial op"]
[Site "Taganrog"]
[Date "2013.01.15"]
[Round "1"]
[White "Tunik, Gennady"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2437"]
[BlackElo "2118"]
[PlyCount "97"]
[EventDate "2013.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. g3 Nbd7 9. Bg2 dxc4 10. Qe2 Nb6 11. a4 a5 12. 0-0 Be7 13. Rd1 Qc7 14. e4 e5 15. Be3 Nfd7 16. dxe5 Qxe5 17. f4 Qc7 18. e5 Nc5 19. Qf2 Nbd7 20. Bf1 Nd3 21. Bxd3 cxd3 22. Rxd3 Bb4 23. Rad1 0-0-0 24. Nd5 cxd5 25. Rc1 Nc5 26. Bxc5 d4 27. Qc2 Bxc5 28. Qxc5 Qxc5 29. Rxc5+ Kb8 30. Rxa5 Rd7 31. Rc5 Rhd8 32. Kf2 Rc7 33. Rxc7 Kxc7 34. Kf3 Kc6 35. Ke4 Kc5 36. g4 b6 37. b3 Rd7 38. h4 Rd8 39. h5 f5+ 40. gxf5 gxh5 41. e6 h4 42. Rh3 Rh8 43. Ke5 Kc6 44. Kxd4 Kd6 45. Ke4 Rh6 46. b4 g6 47. Rd3+ Ke7 48. Rd7+ Ke8 49. f6 1-0

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.23"]
[Round "9"]
[White "Kitaev, Ilya"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1985"]
[BlackElo "2127"]
[PlyCount "64"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Be2 Bd6 9. h3 Nbd7 10. Qc2 g5 11. Bd2 g4 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qe3 Qc7 16. 0-0-0 gxh3 17. Rxh3 Rxh3 18. Qxh3 0-0-0 19. Bf3 Bf4 20. Be3 Bxe3+ 21. fxe3 Qa5 22. Qg3 Qxa2 23. Qxg7 Qxc4+ 24. Kb1 Nd5 25. Bxd5 Qxd5 26. Qxf7 Qe4+ 27. Ka2 Rd5 28. Qf8+ Kc7 29. Qf4+ Qxf4 30. exf4 c5 31. Rc1 Rxd4 32. Rxc5+ Kd6 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.22"]
[Round "8"]
[White "Orekhov, Nikolai"]
[Black "Gordeev, Sergey"]
[Result "0-1"]
[ECO "A94"]
[WhiteElo "2127"]
[BlackElo "2043"]
[PlyCount "85"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. d4 d5 7. Qc2 c6 8. b3 Nbd7 9. Ba3 Bxa3 10. Nxa3 Ne4 11. Qc1 Ndf6 12. Nc2 Bd7 13. Nce1 Qe8 14. Nd3 Rd8 15. Nfe5 dxc4 16. bxc4 Bc8 17. Qb2 Nd6 18. Qa3 a6 19. Qb2 Nd7 20. Qc3 Nf7 21. Rad1 Ndxe5 22. dxe5 Qe7 23. c5 Rd7 24. Nb2 Rfd8 25. f4 Rxd1 26. Rxd1 Rxd1+ 27. Nxd1 g5 28. e3 h5 29. Qd4 h4 30. Nb2 hxg3 31. hxg3 Qd7 32. Nc4 Qxd4 33. exd4 Bd7 34. fxg5 Kg7 35. Kf2 Kg6 36. Kf3 Be8 37. Nd6 Nxd6 38. exd6 Bd7 39. Bf1 Bc8 40. Bh3 Bd7 41. g4 fxg4+ 42. Bxg4 Kxg5 43. Kf2 0-1

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.21"]
[Round "7"]
[White "Boot, Svetlana"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2127"]
[PlyCount "86"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nbd2 Nc6 7. c3 e5 8. e4 Bg4 9. d5 Ne7 10. h3 Bd7 11. c4 Ne8 12. Nh2 Qc8 13. h4 f5 14. f3 Nf6 15. Re1 Qe8 16. Ndf1 Kh8 17. Qe2 Neg8 18. Be3 Qe7 19. Bf2 Nh5 20. Rac1 b6 21. b4 a5 22. a3 axb4 23. axb4 Ra4 24. Rb1 Bf6 25. Qc2 Rfa8 26. Rb2 Ng7 27. c5 bxc5 28. bxc5 f4 29. c6 Bc8 30. Reb1 fxg3 31. Bxg3 Nh5 32. Rb8 Nxg3 33. Rxc8 Rxc8 34. Qxa4 Ne2+ 35. Kh1 Rf8 36. Rb2 Nf4 37. Qa2 Bxh4 38. Qa5 h5 39. Rb7 Rf7 40. Qa7 Be1 41. Qe3 Qg5 42. Rb2 Ba5 43. Qf2 Nd3 0-1

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.20"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Gutenev, Alexander"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2127"]
[BlackElo "2341"]
[PlyCount "78"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Nd7 8. Bf4 c6 9. Kc2 Nc5 10. Nd2 f6 11. f3 e5 12. Be3 Ne6 13. Bc4 Bd6 14. Rhd1 Ke7 15. a4 a5 16. Nb3 Rd8 17. Rd2 Bc7 18. Rxd8 Bxd8 19. Nd2 Bc7 20. Rd1 b6 21. h4 Bd7 22. g3 Rf8 23. Be2 f5 24. Bg1 h5 25. Nc4 Rb8 26. b3 f4 27. g4 b5 28. axb5 cxb5 29. Nd2 hxg4 30. fxg4 Bc6 31. Bf3 b4 32. Nc4 a4 33. Rb1 axb3+ 34. Kb2 Ba4 35. Ra1 bxc3+ 36. Kxc3 b2 37. Nxb2 Ba5+ 38. Kd3 Rb3+ 39. Kc4 Rc3+ 0-1

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.20"]
[Round "5"]
[White "Papayan, Oleg"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2238"]
[BlackElo "2127"]
[PlyCount "64"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Bf5 5. Nxe4 Bxe4 6. f3 h6 7. Bf4 Bf5 8. g4 Bh7 9. e3 Nd7 10. Bd3 Bxd3 11. Qxd3 c6 12. Ne2 e6 13. 0-0-0 Qa5 14. Kb1 0-0-0 15. c4 dxc4 16. Qxc4 Nb6 17. Qb3 Bd6 18. e4 Rd7 19. Bxd6 Rxd6 20. e5 Rd7 21. Nc3 Nd5 22. Ne4 Qb6 23. Nd6+ Kb8 24. Qa3 Rhd8 25. Rd3 Qb4 26. g5 Qxa3 27. Rxa3 Nc7 28. Rd3 Ne8 29. Nxe8 Rxe8 30. gxh6 gxh6 31. Rg1 Red8 32. Rg7 c5 1/2-1/2

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.18"]
[Round "4"]
[White "Vorobiov, Nikolai"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1991"]
[BlackElo "2127"]
[PlyCount "156"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 0-0 6. Nc4 Re8 7. Nxd6 cxd6 8. Be2 d5 9. d3 d4 10. Bf3 dxe3 11. fxe3 d5 12. Ne2 Qb6 13. e4 Bg4 14. Ng3 Bxf3 15. gxf3 Rac8 16. Qd2 Red8 17. Nf5 Kh8 18. Qg5 Ne8 19. a3 Qc5 20. Rc1 dxe4 21. fxe4 f6 22. Qg1 Nd4 23. Nxd4 exd4 24. h4 Nc7 25. c4 Ne6 26. Qg4 Qe7 27. b4 a5 28. bxa5 Nc5 29. Ke2 Ra8 30. Rcg1 Rxa5 31. Rh3 Na4 32. Bc1 Nc3+ 33. Kf2 Rf8 34. Rf3 Re5 35. Bf4 Re6 36. Qg3 Rb6 37. Bc1 Na2 38. Kg2 Rb1 39. Rff1 Nc3 40. Rf2 Rg8 41. Kh2 Na4 42. Rfg2 Nc5 43. Qf3 Rb3 44. Rd1 Ne6 45. Rg3 Nf8 46. Rdg1 Nd7 47. Qf2 Qd6 48. Kh1 Ne5 49. Bf4 Rxa3 50. h5 Qd8 51. Bxe5 fxe5 52. Qf5 Qe7 53. R1g2 Qh4+ 54. Rh3 Ra1+ 55. Kh2 Qf6 56. Rf3 Rf8 57. Qg4 Qe7 58. Rgf2 Rxf3 59. Rxf3 Ra2+ 60. Kh3 Ra8 61. Rf5 Re8 62. Qg3 Qe6 63. Kh2 g6 64. hxg6 hxg6 65. Qh3+ Kg7 66. Qg3 Rf8 67. Qxe5+ Qxe5+ 68. Rxe5 Rf3 69. Re7+ Kf6 70. Rxb7 Rxd3 71. c5 Rc3 72. Rd7 Ke5 73. Re7+ Kf4 74. e5 Rxc5 75. e6 Re5 76. Rd7 Ke3 77. e7 d3 78. Kg2 Ke2 0-1

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.17"]
[Round "3"]
[White "Orekhov, Nikolai"]
[Black "Tolstykh, Nikolay"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2127"]
[BlackElo "1786"]
[PlyCount "49"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 c5 7. 0-0 cxd4 8. Nxd4 Qb6 9. Nb3 Nc7 10. Be3 Qb4 11. Bc5 Qg4 12. Nc3 Nc6 13. Bf3 Qf5 14. Ba3 Nb5 15. Nxb5 Qxb5 16. Rc1 Bh3 17. Re1 0-0 18. Qd5 Qb6 19. Qc5 Qa6 20. Qg5 Bxb2 21. Bxb2 Qxa2 22. Ba1 Qxb3 23. Bd5 Qb6 24. Rxc6 bxc6 25. Qe5 1-0

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.16"]
[Round "2"]
[White "Averchenko, Sergej"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2335"]
[BlackElo "2127"]
[PlyCount "79"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. h3 h6 10. 0-0 0-0 11. Be3 b6 12. d5 Ne7 13. Nh2 Nh7 14. f4 exf4 15. Bxf4 Ng6 16. Bg3 Ne5 17. Nf3 Nxd3 18. Qxd3 f6 19. Nh4 Re8 20. Rae1 Nf8 21. Qf3 Qc7 22. Qf4 Re5 23. Qf3 Re8 24. Qh5 Ba6 25. Qg4 Bc8 26. Nf5 Bxf5 27. exf5 Qd7 28. Qf4 Qa4 29. Qxd6 Qxc4 30. Qc6 Rec8 31. Qb7 Qxc3 32. Kh2 Re8 33. d6 Qc4 34. Rf4 Qxa2 35. Re7 Rab8 36. Rxg7+ Kh8 37. Qf7 Qxf7 38. Rxf7 a5 39. Rg4 Red8 40. Rxf6 1-0

[Event "Khanty-Mansiysk Governor Cup-B 8th"]
[Site "Khanty-Mansiysk"]
[Date "2012.11.15"]
[Round "1"]
[White "Orekhov, Nikolai"]
[Black "Baichurin, Rinat"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2127"]
[PlyCount "54"]
[EventDate "2012.11.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 Qh4 5. Nc3 Bb4 6. Qe2 Nf6 7. Bd3 Nc6 8. Nf3 Qg4 9. 0-0 Bxc3 10. bxc3 0-0 11. h3 Qh5 12. Bf4 a6 13. a4 Nd7 14. Bxc7 f6 15. Qa2 Kh8 16. Be2 Qg6 17. Qc2 e5 18. d5 Ne7 19. Bd6 Re8 20. Bxe7 Rxe7 21. Nh4 Qg5 22. Nf5 Nc5 23. h4 Qf4 24. Nxe7 Bd7 25. Nf5 g6 26. Nd6 Rg8 27. g3 Qh6 1-0

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.18"]
[Round "9"]
[White "Schroeder, Jan Christian"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2311"]
[BlackElo "2043"]
[PlyCount "191"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Germany U18"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "RUS"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7 9. 0-0 Ne7 10. Rb1 Qc7 11. Re1 Nc8 12. Nf1 Nb6 13. Bf4 h6 14. h4 0-0-0 15. Qd2 Be7 16. N1h2 Rdg8 17. Ng4 Qd8 18. h5 Qe8 19. Nfh2 Qf8 20. g3 Kb8 21. Kg2 Ka8 22. Bf3 Qd8 23. Rh1 Ba4 24. Nf1 Nb3 25. Qe3 Na5 26. Qd2 Nb3 27. Qe2 Na5 28. Re1 Bg5 29. Qd2 Be7 30. Kg1 Nb3 31. Qe2 Bg5 32. Qe3 Be7 33. Nd2 Na5 34. Rc1 Nb3 35. Nxb3 cxb3 36. Qe2 Bg5 37. Bxg5 Qxg5 38. Kg2 Nc4 39. Ne3 Bb5 40. Nxc4 Bxc4 41. Qe3 Qxe3 42. fxe3 f6 43. e4 dxe4 44. Bxe4 fxe5 45. dxe5 Rd8 46. Rcd1 Be2 47. Rd6 Rxd6 48. exd6 Rd8 49. Kf2 Bg4 50. Rh4 Bd1 51. Rf4 Bxh5 52. g4 e5 53. Rf5 Bxg4 54. Rxe5 a6 55. Kg3 Bc8 56. Rd5 Bd7 57. Rd4 g5 58. Bf3 Ka7 59. c4 Kb6 60. Rd5 Rc8 61. Be2 Re8 62. c5+ Ka7 63. Bg4 Bc6 64. Rd3 Rh8 65. Bh5 Ba4 66. Re3 Rc8 67. Re5 Bc6 68. Bd1 Rf8 69. Re3 Rh8 70. Bh5 Ba4 71. Re7 Bc6 72. Kg4 Rf8 73. Bf7 a5 74. Kh5 a4 75. Kxh6 g4 76. Kg7 Rd8 77. Re3 b6 78. Kf6 bxc5 79. Ke7 Rd7+ 80. Ke6 Rd8 81. Ke7 Rd7+ 82. Ke6 Rd8 83. Rg3 Kb6 84. Rxg4 Bd7+ 85. Ke7 Bxg4 86. Kxd8 c4 87. Ke7 Kc5 88. d7 Bxd7 89. Kxd7 Kd4 90. Kc6 c3 91. bxc3+ Kxc3 92. Kc5 b2 93. Ba2 b1Q 94. Bxb1 Kb3 95. Bc2+ Kxa3 96. Bxa4 1/2-1/2

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.17"]
[Round "8"]
[White "Kantor, Gergely"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2313"]
[BlackElo "2043"]
[PlyCount "93"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Hungary U18"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "RUS"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. g3 Nbd7 9. Qe2 Bd6 10. Bg2 0-0 11. 0-0 Qe7 12. Bd2 dxc4 13. Qxc4 e5 14. Rfe1 exd4 15. exd4 Nb6 16. Qb3 Qd7 17. a4 Be7 18. Bf4 Nbd5 19. Be5 a5 20. Rac1 Rac8 21. Ne4 Nxe4 22. Bxe4 Bb4 23. Red1 Rfe8 24. Bb1 Qe6 25. Qf3 f6 26. Bf4 Nxf4 27. Qxf4 f5 28. Bd3 Qf6 29. Bc4+ Kh7 30. h4 Re4 31. Qf3 Rxd4 32. Rxd4 Qxd4 33. h5 Qg4 34. hxg6+ Kxg6 35. Qd3 Re8 36. Bb3 Qe4 37. Qd7 Qe7 38. Qd4 Qe4 39. Qd7 Qe7 40. Qd4 Rd8 41. Qc4 Rd2 42. Rf1 Bc5 43. Bc2 Rxf2 44. Qg4+ Kf7 45. Qh5+ Kg8 46. Bb3+ Kf8 47. Qh8# 1-0

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.16"]
[Round "6"]
[White "Grigorian, Spartak"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2107"]
[BlackElo "2043"]
[PlyCount "75"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Germany U18 II"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "RUS"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxc4 8. e4 b5 9. Be2 Bb7 10. 0-0 Nbd7 11. Qc2 Be7 12. Rad1 0-0 13. h4 Nh5 14. Bh2 Nf4 15. Bxf4 gxf4 16. Qc1 Bxh4 17. Qxf4 Bg5 18. Nxg5 hxg5 19. Qg3 f5 20. d5 f4 21. Qh3 Qf6 22. Bg4 Ne5 23. Bxe6+ Kg7 24. dxc6 Bxc6 25. Rd6 Rad8 26. Rfd1 Rxd6 27. Rxd6 Rd8 28. Rxd8 Qxd8 29. Nd5 Bxd5 30. exd5 Qa5 31. Qf5 Qe1+ 32. Kh2 Nf3+ 33. gxf3 Qxf2+ 34. Kh1 Qf1+ 35. Kh2 Qf2+ 36. Kh1 Qf1+ 37. Kh2 Qf2+ 38. Kh1 1/2-1/2

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.16"]
[Round "7"]
[White "Orekhov, Nikolai"]
[Black "Ivekovic, Bozidar1111"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2043"]
[BlackElo "2209"]
[PlyCount "59"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Yamal U18"]
[BlackTeam "Croatia U18"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "CRO"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 Re8 9. h3 exd4 10. Nxd4 Nc5 11. Re1 a5 12. Qc2 Nfxe4 13. Nxe4 Bxd4 14. Bg5 Qd7 15. Nf6+ Bxf6 16. Bxf6 Re6 17. Bd4 Qe8 18. Qd2 Qf8 19. Be3 Rxe3 20. Rxe3 Be6 21. b3 Qc8 22. Rae1 Qd7 23. Qc3 Ra7 24. Qf6 b5 25. cxb5 Qxb5 26. Bd5 Qd7 27. Bxe6 fxe6 28. Rxe6 Nxe6 29. Rxe6 c5 30. Rxd6 1-0

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.14"]
[Round "4"]
[White "Sadzikowski, Daniel"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2433"]
[BlackElo "2043"]
[PlyCount "89"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Poland U18"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "RUS"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 b6 7. b3 Bb7 8. Bd3 Be7 9. 0-0 0-0 10. Ne5 dxc4 11. bxc4 c5 12. Bb2 h6 13. Rad1 Rc8 14. f4 Qc7 15. d5 exd5 16. cxd5 a6 17. Nc4 Qb8 18. d6 Bd8 19. a4 Bc6 20. Ne5 Qb7 21. Nxc6 Rxc6 22. Bc4 Qb8 23. e4 Rxd6 24. e5 Rxd1 25. Rxd1 Nxe5 26. fxe5 Qxe5 27. Nd5 Qg5 28. Nxf6+ Bxf6 29. Bxf6 Qxf6 30. Bxa6 Rd8 31. Rf1 Qd4+ 32. Kh1 Qd7 33. Bc4 Rf8 34. Qb3 Qd4 35. Bxf7+ Kh8 36. h3 Qd6 37. Rd1 Qc7 38. Bc4 Rf6 39. Qe3 Rf8 40. Qe6 Qb8 41. Rb1 Rf6 42. Qd5 Qf8 43. Re1 Rd6 44. Qh5 Rd8 45. Qg6 1-0

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.14"]
[Round "3"]
[White "Stegariu, Vlad Ionut"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "2236"]
[BlackElo "2043"]
[PlyCount "88"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Romania"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "ROU"]
[BlackTeamCountry "RUS"]

1. c4 c6 2. e4 e5 3. Nc3 Nf6 4. Nf3 d6 5. d4 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. Re1 a6 9. a4 a5 10. Bg5 Qc7 11. Qc2 Re8 12. Rad1 Nf8 13. c5 exd4 14. cxd6 Bxd6 15. Rxd4 Ng4 16. h3 Ne5 17. Red1 Nxf3+ 18. Bxf3 Bh2+ 19. Kh1 Ne6 20. Be3 Nxd4 21. Bxd4 Be5 22. Be3 Qe7 23. Be2 Qh4 24. Bf1 Be6 25. g3 Qe7 26. f4 Bc7 27. Qf2 f6 28. Bc5 Qf7 29. Re1 Rad8 30. Bb6 Bxb6 31. Qxb6 Qh5 32. f5 Qf3+ 33. Kh2 Bf7 34. Nb1 c5 35. Bg2 Qf2 36. Rf1 Qd4 37. Nc3 Qb4 38. Nb5 Rd2 39. Qxb7 Rxb2 40. Qc7 Qxe4 41. Qxf7+ Kxf7 42. Nd6+ Kf8 43. Nxe4 Rxe4 44. Rg1 Re3 0-1

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.13"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Matijevic, Filip"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2043"]
[BlackElo "2145"]
[PlyCount "151"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Yamal U18"]
[BlackTeam "Slovenia"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "SLO"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 d5 4. Qd2 Bg7 5. Bh6 Bxh6 6. Qxh6 c5 7. e3 Nc6 8. Bb5 Bf5 9. Nf3 c4 10. Ne5 Qb6 11. 0-0 Bxc2 12. Rfc1 Bf5 13. b3 cxb3 14. axb3 Rc8 15. Qg7 Rf8 16. Qh6 a6 17. Ba4 Qb4 18. Nxc6 bxc6 19. Nxd5 Qd6 20. Nb6 Rc7 21. Nc4 Qd5 22. Ne5 Ng4 23. Nxg4 Bxg4 24. Rc5 Qd6 25. Rac1 Bd7 26. d5 e5 27. dxc6 Be6 28. Qxh7 Ke7 29. Qg7 Rd8 30. h3 e4 31. Qe5 Qxe5 32. Rxe5 f5 33. Ra5 Bc8 34. f3 exf3 35. gxf3 Rd2 36. Rac5 f4 37. exf4 Bxh3 38. R5c2 Rd3 39. Kf2 Kf6 40. Re2 Be6 41. Re3 Rd2+ 42. Kg3 Bf5 43. Rh1 Bd3 44. Re5 Bb5 45. Bxb5 axb5 46. Rc1 b4 47. Re4 Rd6 48. Rxb4 Rcxc6 49. Rxc6 Rxc6 50. Rb5 Rc2 51. f5 g5 52. f4 gxf4+ 53. Kxf4 Rf2+ 54. Ke4 Re2+ 55. Kd4 Rc2 56. Rc5 Rh2 57. b4 Rh4+ 58. Kc3 Ke7 59. Kb3 Kd6 60. Ka4 Rh8 61. Ra5 Rh4 62. Ra6+ Kc7 63. Rg6 Rf4 64. Rf6 Re4 65. Ka5 Re1 66. Rf7+ Kc6 67. b5+ Kc5 68. Rc7+ Kd6 69. Rc6+ Kd7 70. f6 Rf1 71. Ka6 Rf5 72. Rb6 Kc8 73. Ka7 Rf2 74. Ra6 Rd2 75. Rc6+ Kd7 76. Kb7 1-0

[Event "EU-chT U18 12th"]
[Site "Pardubice"]
[Date "2012.07.12"]
[Round "1"]
[White "Starek, Stanislav"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2082"]
[BlackElo "2043"]
[PlyCount "104"]
[EventDate "2012.07.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Ricany U18"]
[BlackTeam "Yamal U18"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "RUS"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bd6 8. Bxd6 Qxd6 9. Bd3 Bd7 10. 0-0 0-0 11. Rc1 a6 12. Re1 Rfc8 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 h6 16. d5 exd5 17. Qxd5 Qxd5 18. Bxd5 Kf8 19. h3 Re8 20. Kh2 Rxe1 21. Rxe1 Rd8 22. Ne5 Nxe5 23. Rxe5 b6 24. Bb7 Bb5 25. b3 Rd7 26. Bf3 Rd2 27. a4 Be8 28. Kg3 Rd3 29. Re3 Rd4 30. Bb7 a5 31. Ba6 Rb4 32. Bc4 Bxa4 33. Rd3 Be8 34. Rd6 Ke7 35. Rd3 Kf8 36. Bd5 f6 37. Rc3 Ke7 38. Bg8 Rd4 39. Kf3 Rd6 40. Ke3 b5 41. f4 Rc6 42. Rd3 Rc2 43. Bd5 Bg6 44. Rd1 Bf7 45. Bxf7 Kxf7 46. Ra1 Rxg2 47. Rxa5 Rg3+ 48. Ke4 Rxb3 49. h4 Rb4+ 50. Kf5 g6+ 51. Kg4 h5+ 52. Kf3 Ke6 0-1

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.04.01"]
[Round "9"]
[White "Orekhov, Nikolai"]
[Black "Pogromsky, Mikhail"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2017"]
[BlackElo "2435"]
[PlyCount "102"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 a6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Be7 11. Rfc1 0-0 12. Na4 Nd7 13. Qb3 Na5 14. Qd1 Nc6 15. Qb3 Ra7 16. Nc5 Nxc5 17. dxc5 Qd7 18. Ne5 Nxe5 19. Bxe5 Qc6 20. Qb6 Raa8 21. Qxc6 bxc6 22. Bd6 Ra7 23. Bxe7 Rxe7 24. Kf1 Rb8 25. b3 a5 26. Rc3 Reb7 27. Ke2 e5 28. Kd2 f6 29. Rac1 Kf7 30. Kc2 a4 31. Rb1 Ke6 32. Kb2 Rb5 33. Rbc1 Ra8 34. a3 axb3 35. Rxb3 Rxb3+ 36. Kxb3 Rb8+ 37. Ka2 d4 38. e4 f5 39. f3 fxe4 40. fxe4 Rf8 41. Rc2 Rf1 42. a4 Re1 43. a5 Rxe4 44. Rd2 Rf4 45. a6 Rf8 46. Kb3 Kd5 47. Kb4 Rb8+ 48. Ka5 e4 49. a7 Ra8 50. Kb6 e3 51. Ra2 d3 0-1

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.31"]
[Round "8"]
[White "Matsenko, Sergei"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2468"]
[BlackElo "2017"]
[PlyCount "99"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Bxf3 9. Qxf3 c6 10. Re1 Be7 11. c3 0-0 12. Bc2 Re8 13. Qd3 Qc7 14. Bg5 Bf8 15. Bxf6 Nxf6 16. Nh5 Be7 17. Nxf6+ Bxf6 18. Qxh7+ Kf8 19. Rad1 Ke7 20. Qf5 Rh8 21. h3 Kf8 22. Qf3 Rd8 23. Re4 Qa5 24. Bb3 Rh5 25. Rf4 Rf5 26. Rxf5 Qxf5 27. Qxf5 exf5 28. g3 c5 29. dxc5 Rxd1+ 30. Bxd1 Be7 31. Bf3 Bxc5 32. Bxb7 Ke7 33. Bd5 f6 34. Kg2 Bd6 35. f4 Bc5 36. Kf3 Kd6 37. Bf7 Ke7 38. Bg6 Ke6 39. h4 Bb6 40. h5 Bc5 41. Bh7 Bd6 42. Bg8+ Ke7 43. Bc4 Bc5 44. Ba6 Kf7 45. b4 Bg1 46. a4 Bb6 47. a5 Bd8 48. c4 Be7 49. c5 Bd8 50. Ke3 1-0

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.30"]
[Round "7"]
[White "Orekhov, Nikolai"]
[Black "Yuffa, Daniil"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2017"]
[BlackElo "2334"]
[PlyCount "112"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. Qd2 Ng4 12. Rab1 Nde5 13. b4 b6 14. bxc5 bxc5 15. Nxe5 Nxe5 16. Bh6 Nc4 17. Qc1 Bxh6 18. Qxh6 Ba6 19. Rfe1 Rab8 20. Qf4 Qe5 21. Qxe5 Nxe5 22. f4 Nc4 23. e4 Nb2 24. e5 Bd3 25. Rbc1 Bf5 26. Bf1 dxe5 27. fxe5 c4 28. Ne4 Rfc8 29. Nd6 Rc7 30. Bxc4 Nxc4 31. Rxc4 Rxc4 32. Nxc4 Rb4 33. Nd6 Rd4 34. Nxf5 gxf5 35. d6 Kg7 36. Re2 Kf8 37. Rf2 Ke8 38. Rxf5 Ra4 39. Rf2 Re4 40. d7+ Kxd7 41. Rxf7+ Ke6 42. Rxa7 Rxe5 43. a4 h5 44. a5 Kf5 45. Kg2 Re4 46. a6 Ra4 47. Ra8 Kg6 48. Kf3 Kh7 49. Ke3 Kg7 50. Kf3 Kh7 51. h3 Kg7 52. a7 Kh7 53. g4 hxg4+ 54. hxg4 Kg7 55. Kg3 Ra3+ 56. Kf4 Ra1 1/2-1/2

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.29"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Artamonov, Valery"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2017"]
[BlackElo "2250"]
[PlyCount "141"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 d6 5. d4 Bd7 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nc2 h5 9. Bg5 Bg7 10. Nc3 h4 11. Bxh4 Ng4 12. h3 Nge5 13. Ne3 f6 14. f4 Nf7 15. Ne4 Qb6 16. c5 dxc5 17. Nd5 Qa5 18. a3 c4 19. b4 Qd8 20. Rc1 b6 21. Rxc4 Rc8 22. Rc1 Rh5 23. e3 Kf8 24. Ndc3 Qe8 25. Qe1 Rh7 26. g4 f5 27. gxf5 Bxf5 28. Nd5 Be6 29. Ng5 Nxg5 30. fxg5+ Kg8 31. Nf4 Bf7 32. Qf2 b5 33. Bg3 Bc4 34. Rfd1 Ne5 35. Qc2 e6 36. Be4 Qe7 37. h4 Bf8 38. Nxg6 Nxg6 39. Bxg6 Rh8 40. Qg2 Qg7 41. Bd3 a5 42. Bxc4 bxc4 43. Qe4 Rh6 44. Rxc4 Rxc4 45. Qxc4 axb4 46. axb4 Rg6 47. Qe4 Be7 48. Rd7 Qa1+ 49. Kh2 Qa2+ 50. Kh3 Rg7 51. Be5 Rf7 52. Bf6 Bxf6 53. Rxf7 Kxf7 54. gxf6 Kxf6 55. Kg4 Ke7 56. Kh5 Qe2+ 57. Kg6 Qf2 58. Qf4 Qc2+ 59. Kh6 Qc6 60. Qe5 Qf3 61. b5 Kf7 62. Qd4 Ke8 63. Qf4 Qb7 64. Qe5 Qb6 65. h5 Kf7 66. Kg5 Qd8+ 67. Kg4 Qd1+ 68. Kf4 Qf1+ 69. Kg5 Ke7 70. b6 Qg2+ 71. Kh6 1-0

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.28"]
[Round "5"]
[White "Turebayeva, Alfiya"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2187"]
[BlackElo "2017"]
[PlyCount "74"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 dxc4 5. Bxc4 Bd6 6. Nf3 Ne7 7. Ng5 0-0 8. Qh5 Bf5 9. Bxf7+ Kh8 10. 0-0 Nd7 11. Bb3 Bg6 12. Qe2 Nf5 13. Ne6 Qh4 14. f4 Rfe8 15. Qf2 Qxf2+ 16. Kxf2 Nf6 17. Nc3 Ng4+ 18. Kg1 Nxd4 19. h3 Nxb3 20. axb3 Rxe6 21. hxg4 Bd3 22. Rd1 Bc2 23. Rf1 Bxb3 24. f5 Ree8 25. Bf4 Bc4 26. Rf3 Bc5+ 27. Kh2 c6 28. Na4 Bd4 29. Rd1 Re4 30. Rxd4 Rxd4 31. Nc3 Bd5 32. Rf2 Re8 33. g5 Kg8 34. Ne2 Rxe2 35. Rxe2 Rxf4 36. g6 hxg6 37. fxg6 Re4 0-1

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.27"]
[Round "4"]
[White "Orekhov, Nikolai"]
[Black "Sakhautdinov, Gazizjan"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2017"]
[PlyCount "123"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Bf5 4. Qb3 Qb6 5. Nc3 Qxb3 6. axb3 dxc4 7. bxc4 e6 8. e4 Bg6 9. Ne5 Bb4 10. Bd3 Bxc3+ 11. bxc3 Ne7 12. c5 f6 13. Nc4 Nc8 14. Rb1 b5 15. cxb6 axb6 16. Nxb6 Nxb6 17. Rxb6 0-0 18. 0-0 Rc8 19. Bf4 Nd7 20. Rb7 Nf8 21. Bd6 Rd8 22. Bb4 Rd7 23. Rb6 Be8 24. Bc4 Rda7 25. Bxf8 Kxf8 26. Bxe6 Ke7 27. Bc4 Kd7 28. Rc1 Kc7 29. Rb2 Ra1 30. Rbb1 Rxb1 31. Rxb1 Ra3 32. Rc1 Kd6 33. f4 Bg6 34. e5+ fxe5 35. fxe5+ Ke7 36. Be2 Be4 37. Bf3 Bd5 38. Kf2 g6 39. Bxd5 cxd5 40. Rc2 Ke6 41. Ke3 Ra1 42. Rb2 Re1+ 43. Kf4 h6 44. Rb6+ Kf7 45. Rf6+ Kg7 46. Rd6 Rf1+ 47. Kg3 Rc1 48. Rd7+ Kf8 49. Rc7 Rd1 50. h4 Rd3+ 51. Kf4 Rd1 52. h5 Rf1+ 53. Kg4 g5 54. Rc5 Ke7 55. Rxd5 Rf4+ 56. Kg3 Rh4 57. Ra5 Rxh5 58. d5 Rh1 59. Ra7+ Ke8 60. Kg4 Rh4+ 61. Kf5 Rc4 62. Ke6 1-0

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.26"]
[Round "3"]
[White "Kondrin, Alexander"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2292"]
[BlackElo "2017"]
[PlyCount "47"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 c5 6. a3 a5 7. b3 b6 8. Bb2 Bb7 9. Ne5 dxc4 10. Ndxc4 Be7 11. dxc5 Qxd1+ 12. Rxd1 Bxc5 13. Nd6+ Bxd6 14. Rxd6 Nd5 15. e4 Nf6 16. f3 Nbd7 17. Bb5 Ke7 18. Nxd7 Kxd6 19. e5+ Kc7 20. exf6 Bc6 21. fxg7 Rhg8 22. Bxc6 Kxc6 23. Ne5+ Kb7 24. Nxf7 1-0

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.25"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Chekletsov, Egor"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2017"]
[PlyCount "79"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 0-0 6. g3 d6 7. Bg2 a6 8. 0-0 Re8 9. a4 e6 10. Nd2 exd5 11. cxd5 Nbd7 12. Nc4 Ne5 13. Na3 Qe7 14. f4 Neg4 15. e4 Nh5 16. Bf3 f5 17. Nc4 Bd4+ 18. Kg2 Nhf6 19. h3 Bxc3 20. bxc3 fxe4 21. Bxg4 Bxg4 22. hxg4 b5 23. Ne3 Nd7 24. c4 bxc4 25. Qc2 Rab8 26. Bb2 Rb3 27. Nxc4 Reb8 28. Ra3 Rxa3 29. Bxa3 e3 30. Re1 Nf6 31. Rxe3 Qd7 32. Re6 Nxd5 33. f5 Rf8 34. Qd2 Qc6 35. Kh2 Nf6 36. Rxd6 Nxg4+ 37. Kg1 Qxa4 38. Qd5+ Kh8 39. Bb2+ Nf6 40. Rxf6 1-0

[Event "Urals-ch"]
[Site "Satka"]
[Date "2012.03.24"]
[Round "1"]
[White "Gutenev, Alexander"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2343"]
[BlackElo "2017"]
[PlyCount "125"]
[EventDate "2012.03.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Qe2 Ngf6 8. 0-0 Bxe4 9. Bxe4 Nxe4 10. Qxe4 c6 11. c4 Be7 12. Bf4 0-0 13. h3 Re8 14. Rfd1 Bf6 15. Ne5 Nf8 16. Rd3 Ng6 17. Bg3 Qe7 18. Rad1 Rad8 19. b3 Qa3 20. Qe2 Qa5 21. Kh2 Be7 22. f4 Bf8 23. a4 Ne7 24. Qf3 Qc7 25. Kh1 b6 26. Bh2 Qc8 27. h4 f6 28. Ng4 Nf5 29. h5 c5 30. dxc5 Bxc5 31. Bg1 Bxg1 32. Kxg1 Rxd3 33. Qxd3 Qc5+ 34. Kh2 Ne7 35. h6 Qh5+ 36. Qh3 Qxh3+ 37. Kxh3 Ng6 38. Kg3 Kf7 39. hxg7 Kxg7 40. Rd7+ Re7 41. Rd8 Rc7 42. Ne3 Ne7 43. Kf3 Nc6 44. Rd6 Na5 45. Rd3 Nb7 46. f5 Nc5 47. Rd8 e5 48. Nd5 Rf7 49. b4 Nxa4 50. Ke3 Nb2 51. Rc8 Rd7 52. Ke4 Nd1 53. Rc6 Nf2+ 54. Ke3 Nd1+ 55. Ke2 Nb2 56. Nxf6 Rd4 57. Nh5+ Kf7 58. Rc7+ Kf8 59. c5 Rh4 60. Nf6 Rxb4 61. c6 Rc4 62. Nxh7+ Kg8 63. f6 1-0

[Event "Pardubice opJ"]
[Site "Pardubice"]
[Date "2011.07.16"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Shemeakin, Alexander"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1925"]
[BlackElo "2309"]
[PlyCount "130"]
[EventDate "2011.07.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CZE"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 cxd5 6. Bf4 e6 7. e3 Bd6 8. Bxd6 Qxd6 9. Ne5 Nbd7 10. f4 b5 11. Bd3 Bb7 12. a4 b4 13. Na2 0-0 14. 0-0 Rfc8 15. Nc1 Rc7 16. Nb3 Rac8 17. Qe2 Qb6 18. a5 Qd6 19. Rac1 Kf8 20. Nxd7+ Nxd7 21. Rxc7 Rxc7 22. Rc1 Rxc1+ 23. Nxc1 Qc6 24. Qc2 Nb8 25. Nb3 Qxc2 26. Bxc2 Nc6 27. Bd3 Ke7 28. Kf2 h6 29. Ke2 Kd6 30. Nc5 Nxa5 31. Bxa6 Bxa6+ 32. Nxa6 b3 33. Nc5 f6 34. Kd3 e5 35. fxe5+ fxe5 36. Kc3 Nc4 37. Kd3 Nxb2+ 38. Ke2 Nc4 39. Nxb3 e4 40. Nc5 g6 41. Na4 Kc6 42. Nc3 Nd6 43. Kf2 Nf5 44. Ne2 Kb5 45. Nf4 Ne7 46. g4 g5 47. Nh5 Kc4 48. Ng3 Kd3 49. Nf5 Ng8 50. h3 Kd2 51. Nd6 Ne7 52. Nf5 Nc6 53. Ng3 Nb4 54. Nf1+ Kd1 55. Ng3 Nd3+ 56. Kf1 Kd2 57. Nf5 Nb4 58. Kf2 Nc2 59. Nxh6 Nxe3 60. h4 Nd1+ 61. Kg2 e3 62. hxg5 e2 63. g6 Ne3+ 64. Kh2 e1Q 65. g7 Qh4+ 0-1

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.20"]
[Round "9"]
[White "Sukhareva, Evgenia"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2194"]
[BlackElo "1925"]
[PlyCount "88"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nf3 d5 6. b3 Bd6 7. 0-0 Qe7 8. Bf4 0-0 9. Nc3 b6 10. Rc1 Bb7 11. Bxd6 Qxd6 12. Qc2 Nbd7 13. Rfd1 Ne4 14. e3 Qe7 15. Ne2 c5 16. cxd5 exd5 17. dxc5 bxc5 18. Nf4 Ndf6 19. Nd2 Nxf2 20. Re1 N2e4 21. Nxe4 fxe4 22. Qxc5 Qxc5 23. Rxc5 Rfc8 24. Rb5 Ba6 25. Ra5 Bb7 26. Bh3 Rc2 27. Be6+ Kf8 28. Nxd5 Bxd5 29. Bxd5 Nxd5 30. Rxd5 Rxa2 31. Rc1 Re8 32. Rc7 Re7 33. Rxe7 Kxe7 34. Re5+ Kf6 35. Rxe4 Rb2 36. Rf4+ Kg6 37. Ra4 Rxb3 38. Ra6+ Kg5 39. Rxa7 Rxe3 40. Rxg7+ Kh6 41. Kf2 Ra3 42. Re7 Kg6 43. Re6+ Kf7 44. Re3 Ra2+ 1/2-1/2

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.19"]
[Round "8"]
[White "Orekhov, Nikolai"]
[Black "Belenkov, Dmitry"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "1925"]
[BlackElo "2040"]
[PlyCount "87"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qa5 10. Rb1 exd4 11. Nxd4 Ne5 12. b4 Qb6 13. Na4 Qd8 14. Qc2 Re8 15. Rd1 Qe7 16. Be3 Be6 17. Nxe6 Qxe6 18. Rbc1 Ned7 19. Bf4 Bf8 20. Re1 h6 21. Bd2 Nb6 22. Nb2 g5 23. Nd3 Bg7 24. a4 Nh5 25. Be3 Nd7 26. Bd2 g4 27. hxg4 Qxg4 28. Qd1 Qxd1 29. Rexd1 Nhf6 30. Re1 Ng4 31. Bf4 Nde5 32. Nxe5 dxe5 33. Bd2 Red8 34. Bc3 h5 35. Rcd1 f6 36. Bf1 Bf8 37. c5 a5 38. Bc4+ Kh7 39. Bb3 axb4 40. Bxb4 b6 41. Rxd8 Rxd8 42. Rd1 Rb8 43. Rd7+ Kg6 44. Bf7+ 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.18"]
[Round "7"]
[White "Matveenko, Yury"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2151"]
[BlackElo "1925"]
[PlyCount "85"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. e3 Nf6 5. c4 c6 6. Nf3 Nbd7 7. Be2 0-0 8. h3 Re8 9. 0-0 Nf8 10. d3 Ng6 11. Nbd2 Qe7 12. Re1 Be6 13. Qc2 Rad8 14. Bf1 Bc8 15. g3 h5 16. h4 Bg4 17. Bg2 e4 18. dxe4 dxe4 19. Ng5 Bf5 20. Bxf6 Qxf6 21. Bxe4 Rxe4 22. Ndxe4 Qe5 23. c5 Bc7 24. Qc4 Rf8 25. f4 Qe7 26. Nf2 Bc8 27. e4 Nxf4 28. gxf4 Bxf4 29. Nf3 Qf6 30. Qf1 Bg3 31. Qg2 Qf4 32. Rad1 Bg4 33. Rd3 Re8 34. Nh2 Bxh4 35. Nhxg4 hxg4 36. Rf1 g3 37. Nh3 Qg4 38. Rdf3 Rxe4 39. Rf4 Rxf4 40. Rxf4 Qd1+ 41. Qf1 Qd2 42. Qg2 g5 43. Qxd2 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.17"]
[Round "6"]
[White "Orekhov, Nikolai"]
[Black "Pozhidaev, Eduard"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1925"]
[BlackElo "2077"]
[PlyCount "82"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 0-0 7. d4 cxd4 8. Nxd4 Qb6 9. Nb3 Qb4 10. c5 Na5 11. Nxa5 Qxa5 12. Qd4 Ne8 13. Qc4 d6 14. c6 bxc6 15. Qxc6 Rb8 16. Nd5 Bf6 17. b4 Qa6 18. Nxf6+ Nxf6 19. Qc7 Bd7 20. Bh6 Rfc8 21. Qa5 Qxa5 22. bxa5 Rb2 23. Be3 a6 24. Bd4 Rxe2 25. Bb7 Rcc2 26. Bxa6 Red2 27. Be3 Rd5 28. Bb6 Rdd2 29. a4 Ng4 30. Bb5 Ne5 31. Bxd7 Nxd7 32. Rfc1 Ra2 33. Rxa2 Rxa2 34. Rc4 Ra1+ 35. Kg2 Rb1 36. Be3 Nb8 37. Rc7 e5 38. Bh6 f5 39. Rg7+ Kh8 40. Rf7 Nd7 41. Rxd7 Rb8 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.16"]
[Round "5"]
[White "Kareva, Natalia"]
[Black "Orekhov, Nikolai"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2066"]
[BlackElo "1925"]
[PlyCount "136"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Nf6 5. dxc5 b6 6. e4 bxc5 7. e5 Qc7 8. Bc4 e6 9. Nc3 Nc6 10. h4 Nxe5 11. Nh3 d6 12. Bxe5 dxe5 13. Qd2 Be7 14. 0-0-0 0-0 15. Qe3 Rb8 16. Rhe1 Qb6 17. b3 Ba6 18. Na4 Qa5 19. Bxa6 Qxa6 20. c4 Rb4 21. Nc3 Qa3+ 22. Kc2 a5 23. Qc1 Qxc1+ 24. Kxc1 e4 25. f4 Ng4 26. Nxe4 a4 27. Kc2 Rfb8 28. Rd3 Bxh4 29. Red1 Be7 30. Rc3 R4b7 31. Rcd3 h6 32. Nhf2 Nxf2 33. Nxf2 Bf6 34. Ne4 Bd4 35. Nd6 axb3+ 36. axb3 Ra7 37. Nb5 Ra2+ 38. Kb1 Rb2+ 39. Kc1 Rxg2 40. Nxd4 cxd4 41. Rf3 Rd8 42. c5 Ra8 43. Kb1 Raa2 44. Rxd4 Rab2+ 45. Ka1 Rbc2 46. Kb1 Rxc5 47. b4 Rh5 48. Rd1 Rb5 49. Rd4 g5 50. fxg5 hxg5 51. Rc3 e5 52. Rc8+ Kg7 53. Rdc4 Rd5 54. R8c5 Rd1+ 55. Rc1 Rdd2 56. R1c4 Rde2 57. b5 Rb2+ 58. Kc1 f6 59. Rc7+ Kg6 60. Rb7 Ra2 61. Kb1 Rgb2+ 62. Kc1 Rb3 63. Rc6 g4 64. Rc4 g3 65. Rg4+ Kf5 66. Rg8 g2 67. b6 Rf3 68. Kb1 Re2 0-1

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.15"]
[Round "4"]
[White "Orekhov, Nikolai"]
[Black "Voischeva, Zinaida"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1925"]
[PlyCount "71"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 c5 8. dxc5 Qc7 9. Nxc4 Rd8 10. Qc2 Bxc5 11. Bf4 Qe7 12. Nbd2 Nc6 13. Nb3 Nb4 14. Qc1 Nbd5 15. Bg5 h6 16. Bxf6 Nxf6 17. Nxc5 Qxc5 18. Ne3 Qb6 19. Qc3 Bd7 20. Nc4 Qa6 21. Ne5 Rac8 22. Qb4 Bb5 23. Qe7 Bd7 24. Qxf7+ Kh8 25. Rad1 Qb5 26. Ng6+ Kh7 27. Nf4 Rf8 28. Qg6+ Kh8 29. a4 Qxa4 30. Nh5 Nxh5 31. Qxh5 Rc2 32. Qe5 Bb5 33. Rd4 Qb3 34. Qd6 Rcc8 35. Rb4 Qc2 36. Rxb5 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.14"]
[Round "3"]
[White "Molodchin, Vladimir"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2075"]
[BlackElo "1925"]
[PlyCount "45"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. cxd5 exd5 7. Bd3 Bd6 8. Qc2 h6 9. Bd2 0-0 10. h3 c5 11. g4 cxd4 12. Nxd4 Nc5 13. Be2 Nfe4 14. h4 Nxd2 15. Qxd2 Ne4 16. Nxe4 dxe4 17. g5 hxg5 18. hxg5 Qxg5 19. 0-0-0 Qc5+ 20. Kb1 Qb4 21. Qc2 g6 22. Qxe4 Bf5 23. Qxf5 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.13"]
[Round "2"]
[White "Orekhov, Nikolai"]
[Black "Korotchenkov, Viktor"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1925"]
[BlackElo "1645"]
[PlyCount "51"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 e6 2. e4 b6 3. Bd3 Bb7 4. Nf3 h6 5. h4 Nf6 6. Qe2 Nc6 7. c3 Qe7 8. a4 Na5 9. Nbd2 d5 10. e5 Nd7 11. b4 Nc6 12. a5 Ncb8 13. a6 Bc8 14. b5 f6 15. Bg6+ Kd8 16. Ba3 Qxa3 17. Rxa3 Bxa3 18. exf6 Nxf6 19. Ne5 Rf8 20. g4 Ke7 21. g5 Ng8 22. Bh5 Kd6 23. Nb1 Bc1 24. Nd3 Bf4 25. Nxf4 Rxf4 26. Qe5+ 1-0

[Event "Voronezh op-B 15th"]
[Site "Voronezh"]
[Date "2011.06.12"]
[Round "1"]
[White "Vetryansky, Vladimir"]
[Black "Orekhov, Nikolai"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2243"]
[BlackElo "1925"]
[PlyCount "47"]
[EventDate "2011.06.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 h6 7. Nxf6+ Nxf6 8. Bf4 c5 9. dxc5 Qxd1+ 10. Rxd1 Bxc5 11. Ne5 Nd5 12. Bb5+ Ke7 13. Bg3 a6 14. Bc4 Rd8 15. 0-0 Bb6 16. Be2 f6 17. Ng6+ Kf7 18. Bh5 Kg8 19. c4 Nb4 20. c5 Rxd1 21. Rxd1 Bxc5 22. Rd8+ Kf7 23. Bd6 Bxd6 24. Ne5+ 1-0

[Event "Moscow op-E"]
[Site "Moscow"]
[Date "2011.02.06"]
[Round "9.153"]
[White "Asefi, Zaheeruddeen"]
[Black "Orekhov, Nikolai"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2078"]
[BlackElo "1921"]
[PlyCount "88"]
[EventDate "2011.01.29"]
[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 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 0-0 6. Qb3 Bxc3+ 7. bxc3 d5 8. Nh3 c6 9. Nf4 Re8 10. 0-0 Nbd7 11. cxd5 exd5 12. a4 Nb6 13. Re1 Nc4 14. Nd3 b6 15. f3 Ba6 16. Nb4 Bb7 17. e4 Na5 18. Qa2 c5 19. Nc2 fxe4 20. fxe4 Kh8 21. e5 Ne4 22. Re3 Qc7 23. Na3 a6 24. Bd2 Nxd2 25. Qxd2 Nb3 26. Qb2 Nxa1 27. Qxa1 cxd4 28. cxd4 b5 29. axb5 axb5 30. Qb2 Bc6 31. Bf1 Qb6 32. Nc2 Bd7 33. Nb4 Be6 34. Rb3 Reb8 35. Nd3 Bd7 36. Nc5 Bc6 37. Bd3 Qa5 38. Qf2 Rf8 39. Qe3 b4 40. Ne6 Rfe8 41. Nxg7 Kxg7 42. Qg5+ Kh8 43. Qf6+ Kg8 44. Qg5+ Kh8 1/2-1/2

