[Event "URS-ch45 Semifinal"]
[Site "Beltsy"]
[Date "1977.??.??"]
[Round "2"]
[White "Zaichik, Gennadi"]
[Black "Petrushin, Alexander I"]
[Result "0-1"]
[BlackElo "2345"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. Nf3 Qa5+ 5. Nc3 Ne4 6. Qd3 f5 7. Bg2 Bg7 8. e3 Nc6 9. O-O Nb4 10. Qe2 Nxc3 11. bxc3 Nc6 12. Rb1 O-O 13. Qc2 d6 14. Ng5 h6 15. Bd5+ Kh8 16. Ne6 Bxe6 17. Bxe6 Nd8 18. Bd5 Rb8 19. Bg2 Qc7 20. d5 e5 21. dxe6 Nxe6 22. Bd2 b6 23. a4 Ng5 24. f4 Nh7 25. e4 Qf7 26. exf5 gxf5 27. Bd5 Qd7 28. Rfe1 Rbe8 29. Bf3 Nf6 30. a5 bxa5 31. Rxe8 Rxe8 32. Rb7 Qe6 33. Rxa7 Ne4 34. Bh5 Qxc4 35. Qd1 Rb8 36. Bg6 Qd5 37. Qh5 Rb1+ 38. Kg2 Ng5+ 0-1