[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1969.01.21"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Geller, Efim P"]
[Result "0-1"]
1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. Rb1
exd4 10. Nxd4 Re8 11. Re1 Ng4 12. Qxg4 Bxd4 13. Qd1 Bg7 14. Qc2 Qa5 15. Bd2 Qh5 16. Qd1
Qxd1 17. Nxd1 Ne5 18. Ne3 Nd3 19. Re2 Nxb2 20. Bb4 Na4 21. Rd1 a5 22. Be1 Bf8 23. f3 Be6
24. Bf1 Red8 25. Rc2 Bg7 26. Kf2 Nc5 27. Kg2 h5 28. h3 Bf6 29. Bf2 a4 30. Rcd2 Be7 31. Nc2
Re8 32. Nd4 Bc8 33. Nc2 a3 34. Be3 Na4 35. Rb1 Nb2 36. Bd4 Bg5 37. Rf2 h4 38. Nxa3 Rxa3
39. Rfxb2 hxg3 40. c5 Ra4 41. Bg1 Bf4 42. cxd6 Bxd6 43. Be3 f5 44. Rd2 Bc7 0-1