[Event "Hoogovens 27th"]
[Site "Beverwijk"]
[Date "1965.01.12"]
[Round "6"]
[White "Donner, Jan Hein"]
[Black "Lengyel, Levente"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bxc3 11. bxc3 Bb7 12. Bd3 Nbd7 13. Re1 Qc7 14. Rc1 Rfe8 15. Ne5 Nxe5 16. Rxe5 Qc6 17. Qf1 Nd7 18. Re3 Qd6 19. Bh4 Nf8 20. Bg3 Qd7 21. f3 Rac8 22. Qe2 Ng6 23. Qd2 Bd5 24. Ba6 Bb7 25. Bf1 Ne7 26. Ree1 Qa4 27. Qc2 Qxc2 28. Rxc2 Red8 29. Bf2 Rd7 30. a4 Rdc7 31. c4 Ba6 32. Rec1 Kf8 33. g4 Bb7 34. Be2 Nc6 35. c5 Nb4 36. Rb2 bxc5 37. dxc5 a5 38. Be1 Bd5 39. Bxb4 axb4 40. Rxb4 Rxc5 41. Rxc5 Rxc5 42. h4 Rc2 43. Kf2 Ra2 44. Ke3 Bc6 45. Bd1 1/2-1/2