[Event "Hoogovens 28th"]
[Site "Beverwijk"]
[Date "1966.01.12"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Lehmann, Heinz"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 f6 7. Bb5 Be7 8. O-O O-O 9. exf6 Bxf6 10. Re1 Re8 11. Bf4 Ncb8 12. c3 b6 13. Ne5 Bxe5 14. Bxe5 c6 15. Bd3 Nxe5 16. Rxe5 Ba6 17. Bc2 Nd7 18. Re3 Qc7 19. Qh5 Nf8 20. Rae1 c5 21. Bf5 Qf7 22. Bg4 Bc4 23. Nd2 cxd4 24. cxd4 Qxh5 25. Bxh5 g6 26. Nxc4 dxc4 27. Bf3 Rad8 28. d5 Kf7 29. Kf1 Rd6 30. Re4 b5 31. Re5 a6 32. dxe6+ Nxe6 33. Bd5 Kf6 34. g4 h6 35. h4 Nc7 36. g5+ hxg5 37. hxg5+ Kg7 38. Bxc4 bxc4 39. Rxe8 Nxe8 40. Rxe8 Rd5 41. Re7+ Kf8 42. Rc7 Rxg5 43. Rxc4 Kg7 44. Ke2 Rb5 45. b4 a5 46. a3 axb4 47. axb4 Kf6 48. Kd3 Rf5 49. f4 Kf7 50. Rd4 g5 51. fxg5 Rxg5 52. Kc4 Rg6 53. Kc5 Rg5+ 54. Kc6 Rg6+ 55. Kc7 1-0