[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "8"]
[White "Marovic, Drazen"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]

1. c4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5 8. h3 Bf5 9. Nd2 e5 10. d5 c5 11. a3 Na6 12. e4 Bd7 13. Nb3 Qd8 14. Bg5 Qe8 15. Kh2 h5 16. Re1 Nh7 17. Be3 Qd8 18. Nd2 b6 19. f4 h4 20. gxh4 Qxh4 21. Nf3 Qe7 22. Qd2 Rad8 23. fxe5 dxe5 24. Re2 Bc8 25. Nb5 f5 26. exf5 gxf5 27. d6 Qf6 28. Bf2 e4 29. Bh4 Qg6 30. Ng5 Nf6 31. Rg1 Kh8 32. Qe1 Nh5 33. Nxe4 fxe4 34. Bxe4 Qe6 35. Re3 Rde8 36. Be7 Rf5 37. Bxf5 Qxf5 38. Rg5 Qf7 39. Qh4 Kg8 40. Rxh5 Bxh3 41. Kxh3 1-0