[Event "US op Irwin 122nd"]
[Site "Rancho Mirage"]
[Date "2022.07.31"]
[Round "3"]
[White "Kosokin, Valeriy"]
[Black "Sevillano, Enrico"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2156"]
[BlackElo "2390"]
[PlyCount "214"]
[EventDate "2022.07.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 c6 4. Bd3 d5 5. Nd2 Nd7 6. Ngf3 dxe4 7. Nxe4 Ngf6 8. 0-0 0-0 9. Re1 Re8 10. Nxf6+ exf6 11. Rxe8+ Qxe8 12. Bf4 Nb6 13. Qc2 Be6 14. Nd2 Nd5 15. Bg3 f5 16. h3 Qe7 17. a3 h6 18. Bh2 Nb6 19. Re1 c5 20. dxc5 Qxc5 21. Nf3 Bd5 22. Nd4 Bc4 23. Bf4 Rd8 24. Bxc4 Qxc4 25. Qe2 g5 26. Bd2 Qxe2 27. Rxe2 Bxd4 28. cxd4 Rxd4 29. Re8+ Kh7 30. Bc3 Rd1+ 31. Kh2 f4 32. Re7 Rd7 33. Rxd7 Nxd7 34. Bd4 a6 35. f3 Kg6 36. Kg1 Nb8 37. Kf2 Nc6 38. Bc3 Ne7 39. Ke2 Nf5 40. Be1 Kf6 41. Bf2 Ke5 42. Kd3 Kd5 43. b3 Ne7 44. Bd4 Ng6 45. Bg7 Nh4 46. Bxh6 f6 47. Bg7 Ke6 48. Bf8 Nxg2 49. Bc5 Nh4 50. Ke2 Ng6 51. Bb6 Ne7 52. Bd4 Nc6 53. Bc3 Kf5 54. Kd3 Ne5+ 55. Ke2 Kg6 56. Be1 Kh5 57. a4 f5 58. Bf2 g4 59. hxg4+ fxg4 60. fxg4+ Kxg4 61. b4 b5 62. axb5 axb5 63. Bd4 Kf5 64. Bc5 Ke4 65. Be7 Kf5 66. Bd6 Nc4 67. Bc5 Kg4 68. Kf2 Nd2 69. Bd4 Ne4+ 70. Ke2 Kg3 71. Be5 Kg4 72. Bd4 Ng5 73. Kf2 Nh3+ 74. Kg2 Ng5 75. Kf2 Kf5 76. Ke2 Ke4 77. Bc5 Nf3 78. Kf2 Ne5 79. Bf8 Ng4+ 80. Ke2 f3+ 81. Kf1 Ne3+ 82. Kf2 Nd1+ 83. Ke1 Nb2 84. Kf1 Nd3 85. Be7 Ke3 86. Bg5+ Ke4 87. Be7 Kf4 88. Bd6+ Ke3 89. Be7 Ne5 90. Bc5+ Ke4 91. Be7 Ng4 92. Bf8 Kd5 93. Be7 Kc4 94. Bf8 Kd3 95. Be7 Ke4 96. Bf8 Ne5 97. Be7 Nd3 98. Bf8 Ke3 99. Bh6+ Kd4 100. Bf8 Kc4 101. Bd6 Kd5 102. Be7 Ke6 103. Bf8 Kf5 104. Be7 Ne5 105. Kf2 Kg4 106. Bd6 Nc4 107. Bc7 Nd2 0-1

[Event "Iowa City ch-IA"]
[Site "Iowa"]
[Date "2019.04.07"]
[Round "5"]
[White "Kosokin, Valeriy"]
[Black "Neal Ii, James A"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2142"]
[BlackElo "2097"]
[PlyCount "98"]
[EventDate "2019.04.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Be2 Qc7 5. 0-0 g6 6. Be3 e5 7. Nc3 Nf6 8. Nd2 d6 9. Bg5 Be7 10. f4 Qd8 11. f5 Nd4 12. Bxf6 Bxf6 13. Nd5 Bg5 14. c3 Nc6 15. Nc4 0-0 16. Bg4 Ne7 17. Nce3 Bxe3+ 18. Nxe3 f6 19. fxg6 hxg6 20. Bxc8 Qxc8 21. Qb3+ Kg7 22. Rf3 Qd7 23. h3 Rad8 24. Qc2 d5 25. Ng4 Ng8 26. a3 Rf7 27. Qf2 d4 28. c4 Rdf8 29. Qg3 Nh6 30. Nxh6 Kxh6 31. Qh4+ Kg7 32. g4 g5 33. Qf2 Rh8 34. Kg2 Rh6 35. b4 Qd6 36. Rb1 b6 37. b5 Rf8 38. a4 a5 39. bxa6 Ra8 40. Qb2 Rxa6 41. Qb5 Ra5 42. Qxb6 Qxb6 43. Rxb6 Rxa4 44. Rb7+ Kg6 45. Rb5 Ra6 46. Rxc5 Kg7 47. Rc7+ Kg6 48. Rb7 Ra2+ 49. Kg3 Ra1 1/2-1/2

[Event "Iowa City ch-IA"]
[Site "Iowa"]
[Date "2019.04.07"]
[Round "4"]
[White "Saleem, Arshaq"]
[Black "Kosokin, Valeriy"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2127"]
[BlackElo "2142"]
[PlyCount "89"]
[EventDate "2019.04.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Be2 0-0 6. Be3 e5 7. d5 Ne8 8. g4 f5 9. gxf5 gxf5 10. exf5 Bxf5 11. h4 Nf6 12. h5 h6 13. Qd2 Ng4 14. Bxg4 Bxg4 15. Bxh6 Bxh6 16. Qxh6 Qf6 17. Qxf6 Rxf6 18. Rh4 Bf5 19. f3 Nd7 20. Ke2 Kh7 21. Nh3 Bxh3 22. Rxh3 Rg8 23. Rf1 Rf4 24. b3 a6 25. Ke3 Nf6 26. Ne2 Rf5 27. Ng3 Rfg5 28. Ne4 Rf5 29. Rc1 Rg2 30. Nxf6+ Rxf6 31. c5 Rf7 32. cxd6 cxd6 33. a4 Rg8 34. Rc4 Kh6 35. Rg4 Rxg4 36. fxg4 Kg5 37. Rf3 Rd7 38. Ke4 Kxg4 39. Rf5 Rh7 40. Rf6 Rd7 41. h6 Kg5 42. Re6 Kh5 43. h7 Rxh7 44. Rxd6 Kg5 45. Kxe5 1-0

[Event "Iowa City ch-IA"]
[Site "Iowa"]
[Date "2019.04.06"]
[Round "3"]
[White "Kosokin, Valeriy"]
[Black "Noble, Cub"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2142"]
[BlackElo "1888"]
[PlyCount "83"]
[EventDate "2019.04.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. Be2 Ne7 6. 0-0 0-0 7. c3 Nd7 8. d4 Qc7 9. Re1 b6 10. Bd3 h6 11. exd5 Nxd5 12. Nc4 exd4 13. Nxd6 Qxd6 14. Nxd4 Ne5 15. Be4 Bb7 16. Nf5 Qf6 17. Qc2 Rfe8 18. Bd2 Nc4 19. Bxd5 Nxd2 20. Nd4 cxd5 21. Qxd2 Ba6 22. Re3 Rac8 23. Rae1 Rxe3 24. Qxe3 Rc7 25. Qe5 Qxe5 26. Rxe5 Bc4 27. Re8+ Kh7 28. a3 Kg6 29. f3 Kf6 30. Kf2 Rd7 31. Ke3 Bf1 32. g3 Ba6 33. Ra8 Re7+ 34. Kd2 Bf1 35. Rd8 Ba6 36. Rd6+ Ke5 37. Rd8 Rc7 38. f4+ Kf6 39. Rd6+ Ke7 40. Nf5+ Ke8 41. Nxg7+ Kf8 42. Nf5 1-0

[Event "Iowa City ch-IA"]
[Site "Iowa"]
[Date "2019.04.06"]
[Round "1"]
[White "Kosokin, Valeriy"]
[Black "Wan, Joseph C"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2142"]
[BlackElo "2193"]
[PlyCount "110"]
[EventDate "2019.04.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 c5 6. Be2 0-0 7. 0-0 Nc6 8. Re1 b5 9. a4 b4 10. exd5 exd5 11. Nb3 Re8 12. Be3 Qb6 13. a5 Qb5 14. Bf1 d4 15. Bg5 Be6 16. Nfd2 c4 17. Bxf6 cxb3 18. Bxe7 bxc2 19. Qxc2 Rxe7 20. Rec1 Bd5 21. Qc5 Rb8 22. Qxb5 Rxb5 23. Bg2 Re6 24. Nf3 Rb8 25. Ng5 Rd6 26. Bxd5 Rxd5 27. Rxc6 Rxg5 28. Ra6 Rb7 29. Rc1 g6 30. Rc8+ Kg7 31. Ra8 Rc5 32. R8xa7 Rxa7 33. Rxa7 Rc2 34. Rd7 Rxb2 35. Rxd4 Kf6 36. a6 Ke5 37. a7 Ra2 38. Rxb4 Rxa7 39. Kf1 Ra2 40. Re4+ Kd6 41. Ke1 h5 42. Re2 Ra1+ 43. Kd2 f6 44. Re8 Ra4 45. h4 g5 46. hxg5 fxg5 47. Rh8 h4 48. gxh4 gxh4 49. Ke3 Rg4 50. f3 Ra4 51. f4 Ke6 52. Rxh4 Kf5 53. Rh5+ Kf6 54. d4 Ra1 55. Ke4 Rf1 1-0

[Event "Iowa City ch-IA"]
[Site "Iowa"]
[Date "2019.04.06"]
[Round "2"]
[White "Takahashi, Michael John"]
[Black "Kosokin, Valeriy"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2005"]
[BlackElo "2142"]
[PlyCount "82"]
[EventDate "2019.04.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. h3 Nc6 10. Nde2 Rb8 11. a4 b5 12. Be3 e6 13. axb5 axb5 14. e5 Nxe5 15. Ba7 Rb7 16. Bxb7 Bxb7 17. Nd4 b4 18. Ncb5 Nd5 19. Qe2 Qd7 20. f3 Ra8 21. c4 bxc3 22. Nxc3 Nxc3 23. bxc3 Bxf3 24. Nxf3 Rxa7 25. Nxe5 Bxe5 26. Qe3 Rc7 27. Rfc1 Qc8 28. Ra3 Kg7 29. Qd3 Rc4 30. Rb3 d5 31. Qf3 Qc7 32. Kg2 h5 33. Qf2 Re4 34. Rf1 Rc4 35. Rc1 Qc6 36. Qf3 h4 37. Rf1 Qc7 38. gxh4 Rxh4 39. Qe2 Rc4 40. Qe3 Re4 41. Qf3 Rf4 0-1

[Event "Port of Burlington op"]
[Site "Burlington"]
[Date "2019.02.03"]
[Round "5"]
[White "Corrales Jimenez, Fidel"]
[Black "Kosokin, Valeriy"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2559"]
[BlackElo "2151"]
[PlyCount "115"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 h5 6. c4 a6 7. Nc3 e6 8. Be3 Nbd7 9. Qd2 Qc7 10. Be2 b6 11. 0-0 Bb7 12. Rac1 Be7 13. Rfd1 Rc8 14. b4 Qb8 15. Nb3 0-0 16. a3 Rfe8 17. Bf1 Bc6 18. h3 Rcd8 19. Qf2 Rc8 20. Rc2 Ba8 21. Na4 Bd8 22. Rcd2 Bc7 23. Bf4 b5 24. Nb2 Ne5 25. Bxe5 dxe5 26. Qe3 Bb6 27. c5 Bc7 28. Nc1 Bd8 29. a4 Bc6 30. Na2 Nh7 31. Qb3 Bg5 32. Rd3 Nf8 33. Nc3 Red8 34. axb5 axb5 35. Kh1 Rxd3 36. Rxd3 Qb7 37. Rd6 Rb8 38. Ne2 Be7 39. Rd1 h4 40. Nd3 Ng6 41. Ndc1 Ra8 42. Qc2 Ra3 43. Nb3 Ra6 44. Na5 Qc8 45. Nxc6 Rxc6 46. Qd3 Bg5 47. Qxb5 Nf4 48. Nxf4 Bxf4 49. Qd3 Bg3 50. Qd8+ Qxd8 51. Rxd8+ Kh7 52. Rd7 Be1 53. Bb5 Rc8 54. Ba6 Rf8 55. b5 f5 56. exf5 exf5 57. c6 e4 58. c7 1-0

[Event "Port of Burlington op"]
[Site "Burlington"]
[Date "2019.02.03"]
[Round "4"]
[White "Peralta, Luis M"]
[Black "Kosokin, Valeriy"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1723"]
[BlackElo "2151"]
[PlyCount "36"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bxe7 Qxe7 10. Rc1 Be6 11. Qc2 Rc8 12. Bd3 h6 13. 0-0 c5 14. b3 Nc6 15. dxc5 Nb4 16. Qe2 bxc5 17. Bb1 g6 18. Ne5 Nc6 1/2-1/2

[Event "Port of Burlington op"]
[Site "Burlington"]
[Date "2019.02.02"]
[Round "3"]
[White "Kosokin, Valeriy"]
[Black "Takahashi, Michael John"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2151"]
[BlackElo "1970"]
[PlyCount "46"]
[EventDate "2019.02.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Nf3 Bd6 6. c3 Nge7 7. 0-0 Bf5 8. Re1 Qd7 9. Bg5 f6 10. Bxf5 Qxf5 11. Bh4 0-0 12. Bg3 Bxg3 13. hxg3 Ng6 14. Nbd2 Rfe8 15. Qb3 Rxe1+ 16. Rxe1 Rb8 17. Nf1 Qd7 18. Ne3 Nce7 19. c4 c6 20. cxd5 Nxd5 21. Nxd5 Qxd5 22. Qxd5+ cxd5 23. Rc1 Ne7 1/2-1/2

[Event "Iowa op 62nd"]
[Site "Iowa"]
[Date "2016.08.27"]
[Round "2"]
[White "White, James L"]
[Black "Kosokin, Valeriy"]
[Result "1/2-1/2"]
[ECO "B23"]
[BlackElo "2259"]
[PlyCount "101"]
[EventDate "2016.08.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. d3 d5 6. Be2 dxe4 7. dxe4 Qxd1+ 8. Nxd1 b6 9. c3 Bb7 10. Nf2 Nf6 11. Bd3 h6 12. Be3 0-0-0 13. 0-0-0 Be7 14. Rhe1 Kc7 15. Bc2 b5 16. h3 Nd7 17. Nd3 Rhe8 18. Nde5 Ndxe5 19. fxe5 Rxd1+ 20. Rxd1 Rd8 21. Rf1 Rd7 22. Bf4 Kd8 23. g4 Ke8 24. h4 Bd8 25. g5 h5 26. Re1 Bc7 27. Bh2 Ne7 28. Bg1 Ng6 29. Bxc5 Nxe5 30. Nxe5 Bxe5 31. Be3 Bc6 32. Rg1 g6 33. Rf1 Kf8 34. Bf4 Bg7 35. e5 Ke8 36. b4 Bd5 37. a4 Bc4 38. Rf2 Kd8 39. Rf3 Kc8 40. a5 Bd5 41. Rf2 Kd8 42. Rd2 Rc7 43. Kb2 Rc4 44. Rd4 Bf8 45. Be3 Rxd4 46. Bxd4 Kd7 47. Bd3 Kc6 48. Kc2 Bg2 49. Kd2 Kd5 50. Ke3 Be7 51. Be2 1/2-1/2

