[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "3"]
[White "Ribli, Zoltan"]
[Black "Smejkal, Jan"]
[Result "1-0"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d4 O-O 7. O-O d6 8. dxc5 dxc5 9. Be3 Be6 10. Nd2 Nd4 11. Nb3 Ng4 12. Bf4 Bxc4 13. Nxc5 e5 14. Bd2 b6 15. b3 bxc5 16. bxc4 Rb8 17. e3 Ne6 18. h3 Nf6 19. Qc2 e4 20. Rad1 Ng5 21. Bc1 Qc8 22. Nd5 Nxd5 23. Rxd5 Nxh3+ 24. Kh2 Ng5 25. Rxg5 f5 26. Bxe4 fxe4 27. Qxe4 Rf5 28. Rxf5 Qxf5 29. Qxf5 gxf5 30. Ba3 Rb6 31. Rd1 Ra6 32. Bxc5 Rxa2 33. Kg2 a5 34. Rd8+ Kf7 35. Rd7+ Kg6 36. Bd4 Bf8 37. c5 Rc2 38. Ra7 a4 39. Rxa4 Bxc5 40. Ra6+ 1-0