[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "1"]
[White "Marovic, Drazen"]
[Black "Radulov, Ivan"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. d5 e6 6. e4 exd5 7. e5 Nfd7 8. Bg5 Be7 9. Bxe7 Qxe7 10. Nxd5 Qd8 11. Bxc4 O-O 12. O-O Nc6 13. Re1 Re8 14. Nc3 Nb6 15. Bd3 Bg4 16. h3 Bxf3 17. Qxf3 c4 18. Be4 Nxe5 19. Bxh7+ Kxh7 20. Qh5+ Kg8 21. Rxe5 Qd2 22. Rb1 Rxe5 23. Qxe5 Qc2 24. Qb5 Rd8 25. Re1 Qg6 26. Re8+ Rxe8 27. Qxe8+ Kh7 28. Qe7 Qe6 29. Qh4+ Kg8 1/2-1/2