1.
Nf3
d5
2.
c4
e6
3.
g3
Nf6
4.
Bg2
Be7
5.
O-O
O-O
6.
d4
dxc4
7.
Ne5
Nc6
8.
Nxc6
bxc6
9.
Bxc6
Rb8
10.
Nc3
Nd5
11.
Qa4
Nb4
12.
Bg2
Rb6
13.
a3
Ra6
14.
Qb5
Nc2
15.
Rb1
Nxd4
16.
Qxc4
c5
17.
b4
cxb4
18.
axb4
Nf5
19.
Rd1
Rd6
20.
Bf4
Rxd1+
21.
Rxd1
Qb6
22.
b5
Rd8
23.
Rxd8+
Qxd8
24.
Bb8
Bb7
25.
Bxa7
Bxg2
26.
Kxg2
Qa8+
27.
e4
Nh4+
28.
gxh4
Qxa7
29.
Qc8+
Bf8
30.
Qc6
Bc5
31.
e5
h6
32.
Ne4
Bd4
33.
Qd6
Qa1
34.
b6
Bxe5
35.
Qb4
Qd1
36.
Qb5
Qg4+
37.
Ng3
Qf4
38.
h5
Bb8
39.
b7
Ba7
40.
Qb2
Kh7
41.
Qa2
Bb8
42.
Qc2+
Kg8
43.
Qc8+
Kh7
44.
Qc5
Kg8
45.
h3
Bd6
46.
Qc8+
Kh7
47.
Qc2+
Kg8
48.
Qc6
Bb8
49.
Kf1
Ba7
50.
Ne4
Qf3
51.
Qa4
Bb8
52.
Qe8+
Kh7
53.
Nf6+
gxf6
54.
Qxf7+
Kh8
55.
Qf8+
Kh7
56.
Qf7+
Kh8
57.
Qe8+
Kg7
58.
Qe7+
1/2-1/2
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Event
Site
Amsterdam
Date
1976.??.??
Round
3
White
Black
Donner, Jan Hein
Result
1/2-1/2
WhiteElo
2520
[Event "IBM"] [Site "Amsterdam"] [Date "1976.??.??"] [Round "3"] [White "Ivkov, Borislav"] [Black "Donner, Jan Hein"] [Result "1/2-1/2"] [WhiteElo "2520"] 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Bxc6 Rb8 10. Nc3 Nd5 11. Qa4 Nb4 12. Bg2 Rb6 13. a3 Ra6 14. Qb5 Nc2 15. Rb1 Nxd4 16. Qxc4 c5 17. b4 cxb4 18. axb4 Nf5 19. Rd1 Rd6 20. Bf4 Rxd1+ 21. Rxd1 Qb6 22. b5 Rd8 23. Rxd8+ Qxd8 24. Bb8 Bb7 25. Bxa7 Bxg2 26. Kxg2 Qa8+ 27. e4 Nh4+ 28. gxh4 Qxa7 29. Qc8+ Bf8 30. Qc6 Bc5 31. e5 h6 32. Ne4 Bd4 33. Qd6 Qa1 34. b6 Bxe5 35. Qb4 Qd1 36. Qb5 Qg4+ 37. Ng3 Qf4 38. h5 Bb8 39. b7 Ba7 40. Qb2 Kh7 41. Qa2 Bb8 42. Qc2+ Kg8 43. Qc8+ Kh7 44. Qc5 Kg8 45. h3 Bd6 46. Qc8+ Kh7 47. Qc2+ Kg8 48. Qc6 Bb8 49. Kf1 Ba7 50. Ne4 Qf3 51. Qa4 Bb8 52. Qe8+ Kh7 53. Nf6+ gxf6 54. Qxf7+ Kh8 55. Qf8+ Kh7 56. Qf7+ Kh8 57. Qe8+ Kg7 58. Qe7+ 1/2-1/2