[Event "IBM"]
[Site "Amsterdam"]
[Date "1965.??.??"]
[Round "2"]
[White "Trifunovic, Petar"]
[Black "Karaklajic, Nikola"]
[Result "1-0"]

1. Nf3 d5 2. d4 c5 3. c4 cxd4 4. cxd5 Nf6 5. Nxd4 Nxd5 6. Nb5 Qa5+ 7. N1c3 Nxc3 8. Nxc3 e6 9. g3 Bd7 10. Bg2 Bc6 11. O-O Bxg2 12. Kxg2 Nc6 13. Qb3 Bb4 14. a3 Bxc3 15. Qxb7 Qd5+ 16. e4 Na5 17. exd5 Nxb7 18. bxc3 exd5 19. Rd1 O-O-O 20. Be3 a6 21. Rd4 Rhe8 22. c4 Re4 23. cxd5 Rxd4 24. Bxd4 Rxd5 25. Bxg7 Kd7 26. Rb1 Nd6 27. Bf8 Nc4 28. Rb4 Nxa3 29. Rb7+ Kc6 30. Rxf7 Nb5 31. Rxh7 a5 32. Rh6+ Nd6 33. h4 a4 34. Re6 Kc5 35. h5 a3 36. h6 a2 37. Re1 Kc4 38. h7 Nf7 39. Bg7 Rd8 40. Re7 Nh8 41. Ra7 Kb3 42. f4 Rd2+ 43. Kh3 Rd8 44. f5 Rc8 45. g4 1-0