[Event "POL-ch 28th"]
[Site "Poznan POL"]
[Date "1971.02.18"]
[EventDate "1971.02.15"]
[Round "4"]
[Result "1/2-1/2"]
[White "Jerzy Kostro"]
[Black "Aleksander Sznapik"]
[ECO "B08"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. Qd2  e5 9. dxe5 dxe5 10. Rad1 Bxf3 11. Bxf3 Qe7 12. Bg5 Nd4 13. Nd5 Qd6 14. c3 Nxf3+  15. gxf3 Nxd5 16. Qxd5 Qb6 17. b4 h6 18. Be3 Qf6 19. Kg2 b6 20. Qd7 Rac8 21.  Qa4 Qe6 22. Rd7 Qc4 23. Qb3 Qxb3 24. axb3 Rfd8 25. Rfd1 Rxd7 26. Rxd7 Kf8 27.  Rd2 Ke8 28. Ra2 Ra8 29. b5 Kd7 30. Kf1 Kc8 31. Ke2 c6 32. c4 Kb7 33. Rd2 Kc7  34. f4 a6 35. Ra2 Kb7 36. bxa6+ Rxa6 37. Rxa6 Kxa6 38. fxe5 Bxe5 39. Bxh6 Bxh2  40. Bd2 Bd6 41. f4 1/2-1/2