[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Valdellon, Vicente"]
[Black "Wostyn, Hendrik"]
[Result "0-1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 a6 8. Be2 Bd7 9. f4 b5 10. a3 Be7 11. Nf3 O-O 12. O-O-O Ra7 13. e5 dxe5 14. Nxe5 Nxe5 15. fxe5 Nd5 16. Bxe7 Nxe7 17. Bf3 Qc7 18. Qg5 Ng6 19. Rhe1 a5 20. Rd4 Rc8 21. Be4 h6 22. Qd2 Nxe5 23. Rd1 f5 24. Bf3 Nxf3 25. gxf3 Bc6 26. Qe2 e5 27. Rd6 b4 28. Qc4+ Kh7 29. Qe6 bxc3 30. Qg6+ Kh8 31. Rxc6 Qxc6 32. Rd8+ Rxd8 33. Qxc6 Rad7 34. bxc3 Rd1+ 35. Kb2 Rb8+ 36. Ka2 Rdb1 37. a4 R1b2+ 38. Ka3 Rxc2 39. Qc5 Rcb2 40. Qd5 e4 0-1