[Event "Teteven op"]
[Site "Teteven"]
[Date "1991.??.??"]
[Round "3"]
[White "Prokopiev, Vladimir"]
[Black "Kostov, Nikolai"]
[Result "0-1"]
[ECO "D91"]
[PlyCount "102"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bg5 dxc4 6. e3 c6 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 0-0 11. Ne4 Re8 12. Nc5 Nxc5 13. Rxc5 Nd7 14. Rc2 Qb6 15. Be4 f5 16. Bd3 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Be2 Rac8 20. Bf3 Qc7 21. g3 Qg7 22. Rd2 Rc7 23. Rd8 Rxd8 24. Qxd8+ Qf8 25. Qxf8+ Kxf8 26. b3 c5 27. Bxb7 Rxb7 28. Rc1 Rc7 29. Bd8 Rc6 30. Ba5 Ke7 31. Bc3 Ke6 32. Kg2 c4 33. Bxe5 Kxe5 34. f3 c3 35. a3 a5 36. Kf2 b4 37. axb4 axb4 38. f4+ Kd5 39. Ke2 Kc5 40. Rc2 Ra6 41. g4 Ra3 42. gxf5 gxf5 43. Kd3 Rxb3 44. e4 fxe4+ 45. Kxe4 Rb2 46. Rc1 Rxh2 47. f5 Kc4 48. f6 Rf2 49. Ke5 b3 50. Ke6 b2 51. Rb1 Kb3 0-1

[Event "Teteven op"]
[Site "Teteven"]
[Date "1991.??.??"]
[Round "8"]
[White "Vutov, Biser"]
[Black "Prokopiev, Vladimir"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "47"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BUL"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 Bb7 8. e5 Qb6 9. exf6 gxf6 10. Bxb7 Qxb7 11. Qf3 Qxf3 12. Nxf3 Rg8 13. 0-0 Nd7 14. a4 b4 15. Nd5 Rc8 16. c3 bxc3 17. Nxc3 Rc4 18. Be3 e5 19. Rfc1 Rcg4 20. Ne1 Ke7 21. Nd5+ Ke6 22. Nc7+ Ke7 23. Nxa6 f5 24. f3 1-0

