[Event "BUL-ch"]
[Site "Sofia BUL"]
[Date "1959.02.11"]
[EventDate "?"]
[Round "4"]
[Result "1-0"]
[White "Petko Kostov"]
[Black "Georgi Martinov"]
[ECO "B56"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e5
7. Ndb5 a6 8. Na3 Be6 9. Nc4 d5 10. exd5 Nxd5 11. Nxd5 Qxd5
12. Qxd5 Bxd5 13. O-O-O Be6 14. Be2 Be7 15. Nb6 Rd8 16. Bc4
Bf5 17. Rxd8+ Bxd8 18. Rd1 O-O 19. Nd7 Re8 20. Nc5 b5 21. Bd5
Nb4 22. Bb3 a5 23. a3 Nc6 24. Nb7 Nd4 25. Bxd4 exd4 26. Nd6
Bg5+ 27. Kb1 Bxc2+ 28. Kxc2 Re2+ 29. Kb1 Rxf2 30. Nxf7 Be3
31. Nd6+ Kf8 32. Bd5 b4 33. axb4 axb4 34. Bf3 g5 35. h3 h5
36. Ne4 g4 37. hxg4 hxg4 38. Nxf2 gxf3 39. Ng4 fxg2 40. Nxe3
dxe3 1-0