[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.24"]
[Round "11"]
[White "Lein, Anatoly"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[WhiteElo "2535"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nge2 e5 7. O-O c6 8. h3 a5 9. Be3 Nfd7 10. Qd2 Re8 11. Rad1 Qc7 12. f4 exd4 13. Bxd4 Bf8 14. g4 b5 15. Ng3 b4 16. Nce2 c5 17. Be3 Bb7 18. g5 Nb6 19. b3 N8d7 20. f5 Ne5 21. Nf4 Rad8 22. Qf2 Bc8 23. Bc1 Bg7 24. Rfe1 Nc6 25. f6 Bf8 26. Bb2 Bd7 27. Nf1 a4 28. Ne3 Be6 29. Ned5 Bxd5 30. Nxd5 Nxd5 31. exd5 Na7 32. Bf1 Qd7 33. bxa4 Qxa4 34. Bc4 Rxe1+ 35. Rxe1 Re8 36. Re6 Qd7 37. Qe2 Rb8 38. Kh2 Nc8 39. Re8 Qf5 40. Bc1 Qd7 41. Bf4 Rb6 42. Kg3 Rb8 43. h4 Rb6 44. h5 Rb8 45. hxg6 1-0