[Event "Hoogovens 28th"]
[Site "Beverwijk"]
[Date "1966.01.19"]
[Round "7"]
[White "Polugaevsky, Lev"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Qc2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. O-O-O c5 12. dxc5 Bxc3 13. Qxc3 Nd7 14. c6 Bxc6 15. Kb1 Rc8 16. Qd4 Bb7 17. Bd3 Nf6 18. Qf4 Qc7 19. Qxc7 Rxc7 20. Nd4 a6 21. Rc1 Rfc8 22. f3 g6 23. Rxc7 Rxc7 24. Rc1 Re7 25. Be2 Kf8 26. Rc3 Nd7 27. Kc1 Nc5 28. Kd2 Ne6 29. Nc6 Re8 30. b4 Rc8 31. Ne5 Rxc3 32. Kxc3 Ke7 33. a4 a5 34. bxa5 bxa5 35. Bb5 g5 36. Bc6 Kd6 37. Bxb7 Kxe5 38. Bc6 f5 39. g3 f4 40. exf4+ gxf4 41. Kd3 Nc5+ 42. Kc3 1/2-1/2