[Event "Capablanca Memorial-04"]
[Site "Havana"]
[Date "1965.09.16"]
[Round "16"]
[White "Lehmann, Heinz"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 Qe7 11. Ne4 Bb6 12. dxc5 Bxc5 13. Nxc5 Qxc5 14. b4 Qh5 15. Bb2 e5 16. Qe2 Bg4 17. h3 e4 18. hxg4 Nxg4 19. Rfd1 exf3 20. Qxf3 Qh2+ 21. Kf1 Nce5 22. Bxe5 Nxe5 23. Qe4 Nxc4 24. Qxc4 Qh1+ 25. Ke2 Qxg2 26. Rg1 Qh3 27. Qd5 g6 28. Qxb7 a5 29. Rgb1 Rac8 30. Rb2 axb4 31. axb4 Qg4+ 32. Kf1 Rfd8 33. Re1 Qc4+ 34. Kg2 Rb8 35. Qe7 Qg4+ 36. Kf1 Rd5 37. Qc7 Qh3+ 38. Ke2 Qg4+ 39. Kf1 Rbd8 40. Qf4 Qh3+ 41. Ke2 Qh5+ 42. f3 Rf5 43. Qg3 Rg5 44. Qf2 Qh3 45. Rg1 Qc8 46. Qe1 Qc4+ 0-1