[Event "Belgrade"]
[Site "Belgrade"]
[Date "1969.??.??"]
[Round "1"]
[White "Polugaevsky, Lev"]
[Black "Ivkov, Borislav"]
[Result "1-0"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nxd4 6. Qxd4 g6 7. e4 d6 8. Be3 Bg7 9.
f3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. Nd5 Qxd2+ 13. Kxd2 Bxd5 14. cxd5 Rfc8 15. Be2 a6 16. b4
Kf8 17. a4 Nd7 18. a5 Bb2 19. Rc2 Rxc2+ 20. Kxc2 Bg7 21. Kb3 Rc8 22. Bd2 Bd4 23. g4 Kg7
24. g5 Rc7 25. Rd1 Kf8 26. f4 Bg7 27. Bg4 Ke8 28. Rf1 Bd4 29. h4 Bg7 30. h5 Bd4 31. Rh1
Bg7 32. Rh3 Kf8 33. h6 Bd4 34. Rd3 Ba7 35. Bh3 Bg1 36. Bc3 Ke8 37. e5 Bh2 38. exd6 exd6
39. Re3+ Kd8 40. Re4 Bg1 41. Bxd7 1-0