[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[BlackElo "2690"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. Bd6 Re8 8. a3 Qa5 9. Rc1
Bxc3+ 10. Qxc3 Qxc3+ 11. Rxc3 Ne4 12. Rc2 Naxc5 13. Bxc5 Nxc5 14. Nf3 b6 15. Nd4 a5 16.
Nb5 Rd8 17. Nd6 Bb7 18. Nxb7 Nxb7 19. e3 Rac8 20. Bd3 Nc5 21. Be2 a4 22. f3 Nb3 23. Bd3
Rc5 24. Ke2 Rdc8 25. Rc3 Na5 26. Rhc1 Kf8 27. Kf2 Ke7 28. Ke2 h6 29. Ke1 Rh5 30. h3 Rhc5
31. Kf2 Nb3 32. R1c2 d6 33. Ke1 g5 34. g3 R5c7 35. Bf1 f5 36. Kf2 Rf8 37. Bg2 f4 38. Bf1
Rc5 39. Bd3 fxe3+ 40. Kxe3 Re5+ 41. Be4 Nc5 42. Kd4 Nb3+ 43. Kd3 Kd7 44. Ke3 Nc5 45. Kd4
Rc8 46. Rf2 Nb3+ 47. Kd3 Rf8 48. Rfc2 h5 49. Ke3 Nc5 50. Kd4 g4 51. Re3 gxf3 52. Bxf3 Nb3+
53. Kd3 Rxe3+ 0-1