[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.08"]
[Round "9.10"]
[White "Korosten, Yakov"]
[Black "Golovchanskaya, Alina"]
[Result "1-0"]
[ECO "E81"]
[BlackElo "1563"]
[PlyCount "137"]
[EventDate "2011.06.27"]
[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 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nge2 Bg7 8. f3 0-0 9. Be3 Nbd7 10. Qd2 Ne5 11. Ng3 a6 12. Bh6 b5 13. h4 Re8 14. Bxg7 Kxg7 15. h5 Rh8 16. Be2 c4 17. Qd4 Rb8 18. f4 Ned7 19. e5 dxe5 20. fxe5 Ne8 21. 0-0-0 Qg5+ 22. Kb1 Qxg3 23. e6+ Ndf6 24. Ne4 Qf4 25. h6+ Kg8 26. exf7+ Kxf7 27. Rhf1 Qh4 28. Nxf6 Qxd4 29. Nxe8+ Bf5+ 30. Rxf5+ gxf5 31. Nd6+ Kf6 32. Rxd4 Ke5 33. Nxf5 Kxf5 34. Bf3 Ke5 35. Rg4 Rhg8 36. Re4+ Kxd5 37. Re7+ Kd6 38. Rxh7 Rh8 39. Ra7 Rb6 40. h7 Ke5 41. Re7+ Re6 42. Rxe6+ Kxe6 43. Be4 Ke5 44. Bc2 Kf4 45. Kc1 Rd8 46. Bb1 b4 47. Bg6 Rh8 48. Kd2 a5 49. a3 c3+ 50. bxc3 bxa3 51. Kc2 Rb8 52. Bf7 Ke3 53. Bg8 Rb2+ 54. Kc1 Kd3 55. h8Q Rc2+ 56. Kb1 Rb2+ 57. Ka1 Kc2 58. Bh7+ Kc1 59. Qe5 Kd2 60. Qd4+ Kc1 61. Qg1+ Kd2 62. Qf2+ Kxc3 63. Qe3+ Kb4 64. Qd4+ Kb3 65. Qb6+ Ka4 66. Qxb2 axb2+ 67. Kxb2 Kb4 68. g4 a4 69. g5 1-0

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.07"]
[Round "8.6"]
[White "Korosten, Yakov"]
[Black "Borisov, Denis A"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "96"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd2 b6 7. Qc2 Bb7 8. Be2 Be7 9. 0-0 0-0 10. a3 dxc4 11. Bxc4 c5 12. Ne5 Nxe5 13. dxe5 Nd5 14. Bd3 h6 15. Rad1 Nxc3 16. Bxc3 Qc7 17. f4 Rad8 18. f5 exf5 19. Rxf5 c4 20. Bd4 Rc8 21. Be2 b5 22. Rh5 Bc5 23. a4 a6 24. axb5 axb5 25. Bg4 Bxd4 26. Rxd4 Rcd8 27. Rxd8 Rxd8 28. e6 fxe6 29. Qg6 Bc8 30. Rxh6 Qe5 31. Rh3 Rf8 32. Qh7+ Kf7 33. Rf3+ Ke7 34. Rxf8 Kxf8 35. Qh8+ Ke7 36. Qxc8 Qxe3+ 37. Kf1 Qc1+ 38. Kf2 Qxb2+ 39. Kg3 Qc3+ 40. Kh4 Qf6+ 41. Kg3 Qe5+ 42. Kh3 Qe3+ 43. Bf3 Qh6+ 44. Kg3 Qg5+ 45. Kf2 Qd2+ 46. Kg3 Qg5+ 47. Bg4 Qe3+ 48. Kh4 Qh6+ 1/2-1/2

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.06"]
[Round "7.6"]
[White "Alimov, Ravil"]
[Black "Korosten, Yakov"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1872"]
[PlyCount "115"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Qd2 Nf6 5. f3 Nc6 6. Nc3 0-0 7. 0-0-0 a6 8. Bh6 Rb8 9. h4 e5 10. d5 Ne7 11. g4 b5 12. Nge2 Bd7 13. Ng3 b4 14. Nb1 a5 15. Rg1 a4 16. Nf5 Bxf5 17. gxf5 b3 18. axb3 axb3 19. c3 Nh5 20. Bd3 c6 21. fxg6 hxg6 22. dxc6 Nxc6 23. Bc4 Na5 24. Bd5 Kh7 25. Bg5 Bf6 26. Rg4 Rb6 27. Be3 Rb8 28. Rh1 Rc8 29. Rd1 Rb8 30. Qg2 Qc7 31. Qe2 Nc6 32. Qc4 Rbc8 33. Nd2 Nd4 34. Qxc7 Rxc7 35. Nxb3 Nxf3 36. Nd2 Nxd2 37. Kxd2 Be7 38. Rdg1 Nf6 39. R4g2 Nxd5 40. exd5 Rb8 41. Kc2 Rb5 42. h5 Rcb7 43. b4 g5 44. Bxg5 f6 45. Bd2 Bf8 46. c4 Rc7 47. Kb3 Rbb7 48. Rg8 Bg7 49. Rd8 Rd7 50. Rxd7 Rxd7 51. b5 f5 52. Kb4 e4 53. Rf1 Rf7 54. Bf4 Rd7 55. c5 Bd4 56. Bxd6 e3 57. Rxf5 Kg7 58. Be5+ 1-0

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.05"]
[Round "6.4"]
[White "Korosten, Yakov"]
[Black "Efimov, Ivan"]
[Result "0-1"]
[ECO "D15"]
[BlackElo "2198"]
[PlyCount "60"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. a4 b4 7. Na2 Nxe4 8. Bxc4 e6 9. 0-0 Be7 10. Qb3 a5 11. Bf4 0-0 12. Rac1 Nf6 13. Bd3 Bb7 14. Nc3 Nbd7 15. Ne4 Nxe4 16. Bxe4 Rc8 17. Qd3 Nf6 18. Ng5 Nxe4 19. Nxe4 c5 20. Rfd1 Qd5 21. f3 Rfd8 22. Be3 e5 23. Ng5 g6 24. h4 cxd4 25. Bd2 h6 26. h5 Bxg5 27. Bxg5 hxg5 28. hxg6 f6 29. Kf2 e4 30. Qe2 e3+ 0-1

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.04"]
[Round "5.7"]
[White "Berezhnov, Dmitry"]
[Black "Korosten, Yakov"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1862"]
[PlyCount "82"]
[EventDate "2011.06.27"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Bg5 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. d5 Nd4 11. N1e2 b5 12. Nxd4 exd4 13. Ne2 d3 14. Qxd3 bxc4 15. Qc2 Bd7 16. Nc3 c5 17. Bxc4 Qb6 18. b3 Bb5 19. Rb1 Nd7 20. 0-0 Ne5 21. Ne2 Rfe8 22. Bd2 Bd7 23. f4 Ng4 24. h3 Bd4+ 25. Nxd4 cxd4 26. Qd3 f5 27. hxg4 fxe4 28. Qg3 e3 29. Be1 Bb5 30. Bxb5 axb5 31. Bb4 d3 32. Rfe1 d2 33. Re2 Rbc8 34. Ba3 Qd4 35. Rd1 b4 36. Bb2 Qxb2 37. Rxe3 Qd4 38. Kf2 Rc1 39. Ke2 Qxe3+ 40. Qxe3 Rxe3+ 41. Kxd2 Rxd1+ 0-1

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.07.01"]
[Round "4.6"]
[White "Korosten, Yakov"]
[Black "Kruzhilin, Aleksey"]
[Result "1/2-1/2"]
[ECO "D55"]
[BlackElo "1896"]
[PlyCount "100"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Re8 7. Qa4 Nbd7 8. Ne5 c6 9. Qc2 dxc4 10. Bxc4 Nd5 11. h4 N7b6 12. Bxd5 exd5 13. Nxf7 Kxf7 14. Qxh7 Bxg5 15. Qh5+ Kf8 16. hxg5 Be6 17. Qg6 Qd7 18. Rh8+ Bg8 19. 0-0-0 Qe6 20. Qh5 Ke7 21. g6 Bf7 22. Rh7 Qxg6 23. Qxg6 Bxg6 24. Rxg7+ Bf7 25. Rh1 Rg8 26. Rhh7 Rxg7 27. Rxg7 Rg8 28. Rxg8 Bxg8 29. b3 Bh7 30. Kd2 Ke6 31. g4 Be4 32. Ke2 Kf6 33. f3 Bg6 34. Kf2 Nd7 35. Kg3 b5 36. b4 Nb6 37. Kf4 Nc4 38. a4 a6 39. axb5 axb5 40. e4 dxe4 41. fxe4 Na3 42. d5 cxd5 43. exd5 Bd3 44. g5+ Kg6 45. Ne4 Bxe4 46. Kxe4 Nc2 47. d6 Nxb4 48. d7 Nc6 49. Kd5 Nd8 50. Kc5 Kxg5 1/2-1/2

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.06.30"]
[Round "3.7"]
[White "Korosten, Yakov"]
[Black "Bolychevsky, Alexander"]
[Result "1/2-1/2"]
[ECO "D91"]
[BlackElo "1825"]
[PlyCount "52"]
[EventDate "2011.06.27"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. g3 0-0 10. Bg2 c6 11. 0-0 Re8 12. Rc1 Bg4 13. h3 Bxf3 14. Bxf3 Qb6 15. Bxd5 cxd5 16. Nxd5 Qxd4 17. Nc7 Nc6 18. Nxa8 Rxa8 19. Qxd4 Nxd4 20. Rc7 Nxe2+ 21. Kg2 b6 22. Re1 Nd4 23. Ree7 Ne6 24. Rb7 Nc5 25. Rbc7 Ne6 26. Rb7 Nc5 1/2-1/2

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.06.29"]
[Round "2.5"]
[White "Palin, Denis"]
[Black "Korosten, Yakov"]
[Result "1-0"]
[ECO "E72"]
[WhiteElo "2012"]
[PlyCount "55"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 0-0 5. g3 d6 6. Bg2 Nc6 7. Nge2 Na5 8. Qd3 c5 9. d5 Bg4 10. f3 Bd7 11. Rb1 b6 12. b3 Nb7 13. 0-0 Qc8 14. Nf4 g5 15. Nfe2 h6 16. f4 Nh7 17. Be3 Bh3 18. Qd2 Bxg2 19. Kxg2 g4 20. f5 h5 21. Bh6 Qd7 22. h3 gxh3+ 23. Kxh3 Nd8 24. Kg2 e6 25. f6 Nxf6 26. Bxg7 Ng4 27. Bxf8 Kxf8 28. Rh1 1-0

[Event "Saratov Summer Cup High school prop"]
[Site "Saratov"]
[Date "2011.06.27"]
[Round "1.8"]
[White "Fedukin, Alexandre"]
[Black "Korosten, Yakov"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1889"]
[PlyCount "146"]
[EventDate "2011.06.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 d6 2. d4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Be2 0-0 6. Nf3 e5 7. d5 Nbd7 8. 0-0 Nh5 9. Ne1 Nf4 10. Bf3 Nc5 11. Be3 b6 12. g3 Nh3+ 13. Kh1 f5 14. Bg2 f4 15. Bxc5 bxc5 16. g4 Qh4 17. Bxh3 Qxh3 18. Rg1 f3 19. Nd3 Bxg4 20. Rg3 Qh5 21. Qg1 Bh3 22. Qd1 Bg2+ 23. Kg1 Bf6 24. Rxg2 fxg2 25. Qxh5 gxh5 26. Kxg2 Rf7 27. Ne2 h4 28. f3 Raf8 29. Ng1 Bg5 30. Kf2 h3 31. Kg3 Be3 32. Kxh3 Rg7 33. Ne2 Rxf3+ 34. Ng3 Bf4 35. Ne1 Re3 36. Ng2 Rd3 37. Ne1 Rd2 38. Nf3 Rf2 39. Nh4 Rxb2 40. Nhf5 Rg5 41. Ne7+ Kf7 42. Nc6 Ke8 43. Nxa7 h5 44. Rh1 Bxg3 45. hxg3 Rg4 46. Nb5 Rxe4 47. Nxc7+ Kd7 48. Ne6 Rxa2 49. Rf1 h4 50. Rf7+ Ke8 51. Rf8+ Ke7 52. g4 Rxc4 53. Kxh4 Rd2 54. Rg8 Rxd5 55. Nc7 Rdd4 56. Kh5 Kf7 57. Rg5 e4 58. Rf5+ Ke7 59. Nd5+ Rxd5 60. Rxd5 e3 61. Rd1 Re4 62. g5 e2 63. Re1 Kf7 64. Kh6 Re6+ 65. Kh7 c4 66. g6+ Rxg6 67. Rxe2 Rg1 68. Kh6 d5 69. Re5 Kf6 70. Rxd5 Rh1+ 71. Rh5 Rxh5+ 72. Kxh5 c3 73. Kg4 c2 0-1

