[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "9"]
[White "Georgiev, Georgi"]
[Black "Koskin, Oleg"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. d3 d5 5. 0-0 Bd6 6. Nbd2 e5 7. e4 0-0 8. Re1 fxe4 9. dxe4 d4 10. Nc4 Nc6 11. c3 dxc3 12. bxc3 Qe7 13. Nxd6 Qxd6 14. Qxd6 cxd6 15. Ba3 Rd8 16. Rad1 d5 17. exd5 Rxd5 18. Rxd5 Nxd5 19. Nxe5 Nxc3 20. Nxc6 bxc6 21. Bxc6 Rb8 22. Bd6 Rb1 23. Bd5+ Kh8 24. Rxb1 Nxb1 25. Bb4 Bf5 26. a4 g6 27. a5 Bd3 28. a6 Kg7 29. Bb7 Kf6 30. Bc5 Nd2 31. Bxa7 Ne4 32. Bd4+ Ke6 33. a7 1-0

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "8"]
[White "Koskin, Oleg"]
[Black "Belovski, Dimitur"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "146"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 f5 4. Nf3 Bd6 5. 0-0 e4 6. Ng5 Nf6 7. dxe4 fxe4 8. Nc3 c6 9. f3 h6 10. Nh3 Bc5+ 11. Kh1 e3 12. Qd3 0-0 13. Na4 Na6 14. Nxc5 Nxc5 15. Qxe3 d4 16. Qa3 Qe7 17. Nf4 Bf5 18. e4 dxe3 19. Bxe3 b6 20. Rac1 Rfe8 21. Bxc5 bxc5 22. Nd3 c4 23. Qxe7 Rxe7 24. Nb4 Rc8 25. f4 Ne4 26. Kg1 a5 27. Na6 Rce8 28. Rfe1 Bc8 29. Nc7 Rxc7 30. Rxe4 Rxe4 31. Bxe4 Kf7 32. Re1 Be6 33. b3 Kf6 34. Re3 c5 35. Rc3 Rd7 36. Bf3 cxb3 37. axb3 c4 38. bxc4 Bh3 39. c5 Rc7 40. c6 Bc8 41. Ra3 Ra7 42. c4 Ke7 43. c5 Kd8 44. Kf2 Kc7 45. Ke3 a4 46. Kd4 Be6 47. Bd5 Bf5 48. Ke5 g6 49. Kf6 h5 50. Re3 a3 51. Re7+ Kb8 52. Rxa7 Kxa7 53. Ke7 Ka6 54. c7 Kb5 55. Kd8 Kxc5 56. Ba2 Kd4 57. c8Q Bxc8 58. Kxc8 Ke4 59. Kd7 h4 60. Ke6 hxg3 61. hxg3 Kf3 62. Kf6 Kxg3 63. Kg5 Kf3 64. Bb1 Ke3 65. Kg4 Kf2 66. Ba2 Kg2 67. Bd5+ Kf2 68. Kh3 Ke3 69. Kg3 Kd4 70. Ba2 Ke3 71. Bg8 Ke4 72. Ba2 Ke3 73. Bf7 Ke2 1/2-1/2

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "6"]
[White "Koskin, Oleg"]
[Black "Ignatov, Bojidar"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "86"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e6 3. Nf3 c5 4. 0-0 Nf6 5. d4 Nc6 6. Nc3 Be7 7. dxc5 Bxc5 8. Bg5 Be7 9. Nd4 0-0 10. Qd2 Qb6 11. Nb3 Rd8 12. a4 Bd7 13. a5 Qc7 14. Bf4 Qc8 15. e4 d4 16. Nb5 e5 17. Bg5 h6 18. Bxf6 Bxf6 19. Nc5 Be8 20. Nd3 Ne7 21. Na3 Qc7 22. f4 Ng6 23. b3 b5 24. axb6 axb6 25. Nb4 Be7 26. f5 Nf8 27. Nc4 Bxb4 28. Qxb4 Nd7 29. f6 Nxf6 30. Qxb6 Qxb6 31. Nxb6 Rab8 32. Nc4 Bb5 33. Ra5 Bxc4 34. bxc4 Ng4 35. h3 Ne3 36. Rxe5 Nxf1 37. Bxf1 Re8 38. Rxe8+ Rxe8 39. Bd3 Re5 40. Kf2 Kf8 41. g4 Ke7 42. Kf3 g5 43. Bf1 Kd6 0-1

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "2"]
[White "Koskin, Oleg"]
[Black "Mironov, Sergey Gennadievich"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. g3 Bg7 3. Bg2 d6 4. Ne2 Nd7 5. 0-0 e5 6. c3 Ngf6 7. Na3 0-0 8. Nc2 Re8 9. d3 Rb8 10. f4 c6 11. Ne3 a5 12. f5 Nc5 13. g4 Bh6 14. h4 Bxe3+ 15. Bxe3 Nxg4 16. Bg5 Qb6 17. d4 exd4 18. Nxd4 h5 19. fxg6 fxg6 20. Qf3 Be6 21. Kh1 Bc4 22. Qg3 Bxf1 23. Rxf1 Qc7 24. Bf4 Nxe4 25. Bxe4 Rxe4 26. Bxd6 Qd8 27. Bxb8 Qd5 28. Qf3 Nh6 29. Bf4 Rxf4 30. Qxd5+ 1-0

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "4"]
[White "Koskin, Oleg"]
[Black "Trifonov, Tony"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 e5 3. d3 d5 4. Nf3 Bd6 5. Nc3 c6 6. 0-0 h6 7. e4 d4 8. Ne2 Be6 9. Nh4 g5 10. Nf5 Bxf5 11. exf5 Qd7 12. Qe1 Kd8 13. f4 gxf4 14. gxf4 exf4 15. Bxf4 Bxf4 16. Rxf4 c5 17. Qh4 Qe7 18. Bxb7 Nbd7 19. Bxa8 Qxe2 20. Rf2 Qe3 21. Kh1 Kc7 22. Bg2 Kb6 23. Qf4 Qe7 24. Qf3 Ne5 25. Qd1 Nfg4 26. Re2 Qh4 27. Qg1 Rg8 28. Be4 Rg5 29. Qe1 Qh5 30. b4 c4 31. dxc4 Nxc4 32. Qd1 Nge5 33. Qxd4+ 1-0

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "7"]
[White "Popov, Alexander"]
[Black "Koskin, Oleg"]
[Result "1-0"]
[ECO "D17"]
[PlyCount "120"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. f3 e6 8. e4 Bg6 9. Bxc4 Nb4 10. Be3 a5 11. Qb3 Nd7 12. Nxg6 hxg6 13. 0-0-0 Qb6 14. Bg5 Be7 15. Bxe7 Kxe7 16. Rd2 Rad8 17. h3 Rh5 18. Rhd1 Kf8 19. Kb1 Nf6 20. Ne2 g5 21. Qe3 Qc7 22. f4 gxf4 23. Nxf4 Rh4 24. g3 Rh8 25. Bxe6 g5 26. Ng6+ fxg6 27. e5 Nfd5 28. Qxg5 Kg7 29. Rf2 Rdf8 30. Rdf1 Rxf2 31. Rxf2 Rf8 32. Rxf8 Kxf8 33. Qxg6 Qg7 34. Qf5+ Ke7 35. Bc8 Kd8 36. g4 Ne3 37. Qf6+ Qxf6 38. exf6 b6 39. g5 Ned5 40. Be6 Ke8 41. g6 Nxf6 42. g7 Ke7 43. g8Q Nxg8 44. Bxg8 Kf6 45. Kc1 Nd3+ 46. Kc2 Nf4 47. h4 Ng6 48. h5 Ne7 49. Bc4 Nf5 50. Kd3 Nd6 51. Bb3 Nf5 52. Bd1 Nd6 53. Bf3 Kg5 54. Kc3 c5 55. d5 Kf5 56. Kd3 Ke5 57. h6 Kf6 58. Bh5 Nf5 59. h7 Kg7 60. Ke2 Ng3+ 1-0

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "1"]
[White "Popov, Alexey"]
[Black "Koskin, Oleg"]
[Result "1-0"]
[ECO "A53"]
[PlyCount "115"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. Nf3 Qc7 5. d4 d6 6. Bd3 Bg4 7. Be3 Nbd7 8. d5 Be7 9. h3 Bh5 10. 0-0 0-0 11. g4 Bg6 12. Nh4 Nc5 13. Nxg6 hxg6 14. Bc2 a5 15. a3 Na6 16. Kh2 Nd7 17. Rg1 g5 18. h4 gxh4 19. g5 g6 20. Qg4 Kg7 21. Kg2 Rh8 22. Rh1 Rh5 23. Rxh4 Rxh4 24. Qxh4 Rh8 25. Qg3 Qd8 26. f4 Rh5 27. Bd1 Rh8 28. f5 Kg8 29. Be2 Ndc5 30. f6 Bf8 31. Bg4 Qb6 32. Qf2 Qb3 33. Qe2 Nc7 34. Rd1 cxd5 35. cxd5 b5 36. Bxc5 dxc5 37. d6 Ne6 38. Qd2 b4 39. axb4 cxb4 40. Ne2 Rh4 41. Bf3 Nd8 42. Kg3 Rh8 43. Nc1 Qe6 44. Bg4 Qc4 45. Qd3 Qxd3+ 46. Rxd3 Rh1 47. Nb3 a4 48. Nd2 Rc1 49. Nf3 Rc2 50. Bd7 Rxb2 51. Bxa4 Ra2 52. Bb3 Ra6 53. d7 Rd6 54. Nxe5 Rxd3+ 55. Nxd3 Bd6+ 56. e5 Bc7 57. Kf4 Nc6 58. Ke4 1-0

[Event "Bankia op"]
[Site "Bankia"]
[Date "1990.??.??"]
[Round "3"]
[White "Zshekov, Georgi"]
[Black "Koskin, Oleg"]
[Result "0-1"]
[ECO "D79"]
[PlyCount "112"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BUL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. g3 c6 4. Nf3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 Nbd7 8. cxd5 cxd5 9. Bf4 a6 10. Rc1 b5 11. a3 Bb7 12. Na2 Rc8 13. Qd3 Qb6 14. Rfd1 Nh5 15. Bg5 f6 16. Be3 Qe6 17. Rxc8 Rxc8 18. Rc1 Nb6 19. b3 Qd6 20. Nb4 a5 21. Nc2 Ba6 22. Qd2 a4 23. Nb4 Rxc1+ 24. Qxc1 Bc8 25. bxa4 bxa4 26. Nd2 Bd7 27. Qc5 Be6 28. Nc6 Nc8 29. Qxd6 exd6 30. Nd8 Bd7 31. Bxd5+ Kf8 32. Ne6+ Ke7 33. Nxg7 Nxg7 34. f3 Nb6 35. Ba2 Nf5 36. Bf2 d5 37. e4 Nd6 38. exd5 Nb5 39. Ne4 f5 40. d6+ Nxd6 41. Nxd6 Kxd6 42. Be1 Bc6 43. Kf2 Bd5 44. Bxd5 Kxd5 45. Ke2 Nc4 46. Kd3 Nxa3 47. Kc3 Nb5+ 48. Kb2 Nxd4 49. Bb4 Nxf3 50. h4 f4 51. gxf4 Nxh4 52. Be7 Ng2 53. Bg5 h5 54. Ka3 h4 55. Bxh4 Nxh4 56. Kxa4 Ke4 0-1

[Event "Zefirov Memorial"]
[Site "Gorky"]
[Date "1965.??.??"]
[Round "?"]
[White "Koskin, Oleg"]
[Black "Dubinin, Peter Vasilievich"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "64"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "1"]
[EventCountry "URS"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Nge7 7. d4 0-0 8. 0-0 exd4 9. exd4 Nf5 10. d5 Ne5 11. b3 Re8 12. Bb2 Rb8 13. h3 c5 14. Qd2 a6 15. Ne4 f6 16. f4 Nf7 17. Bc3 b5 18. cxb5 axb5 19. Qb2 b4 20. Nxf6+ Bxf6 21. Bxf6 Rxe2 22. Qxe2 Qxf6 23. Qe8+ Kg7 24. Qe1 Bd7 25. Qf2 h5 26. Rfe1 Nd4 27. Rad1 Rf8 28. Rd2 Nh6 29. Re3 Nhf5 30. Re1 Rf7 31. g4 hxg4 32. hxg4 Nh4 0-1

