[Event "Olympiad-22"]
[Site "Haifa"]
[Date "1976.10.26"]
[Round "2(4)"]
[White "Rivas, Oswaldo"]
[Black "Grumer, Eugene"]
[Result "1-0"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. Bg5 Nc6 5. e3 Be7 6. Bd3 O-O 7. Nbd2 cxd4 8. exd4 Nd5 9. Bxe7 Qxe7 10. O-O Nf4 11. Bc2 b6 12. Ne4 d6 13. Qd2 e5 14. dxe5 dxe5 15. Qd6 Bb7 16. Qxe7 Nxe7 17. Nxe5 f5 18. Bb3+ Kh8 19. Nd6 Bxg2 20. Ndf7+ Kg8 21. Nh6+ Kh8 22. Nef7+ Rxf7 23. Nxf7+ Kg8 24. Rfe1 Kf8 25. Ng5 h6 26. Nh7+ Ke8 27. Rad1 Bc6 28. Rd6 Rc8 29. Rxc6 Rxc6 30. Ba4 Kd7 31. Nf8+ Ke8 32. Ne6 Nxe6 33. Rxe6 Kd7 34. Rxe7+ 1-0