1.
d4
g6
2.
e4
Bg7
3.
Nc3
d6
4.
f4
a6
5.
Nf3
b5
6.
Bd3
Bb7
7.
Be3
Nd7
8.
a4
b4
9.
Ne2
Ngf6
10.
Nd2
c5
11.
c3
bxc3
12.
bxc3
cxd4
13.
cxd4
Qa5
14.
O-O
Ng4
15.
Rf3
Nxe3
16.
Rxe3
Qb6
17.
Rb1
Qa7
18.
Kh1
Nf6
19.
h3
O-O
20.
Bc2
Rac8
21.
Reb3
Bc6
22.
Rc3
Bd7
23.
Rxc8
Rxc8
24.
Bd3
Bc6
25.
Qb3
Nd7
26.
Nf3
Rb8
27.
Qa2
Rxb1+
28.
Bxb1
Qb7
29.
Bd3
e6
30.
Nc3
Nf6
31.
Qc4
a5
32.
Nd2
Nh5
33.
Ne2
d5
34.
Qc2
dxe4
35.
Bxe4
Bxe4
36.
Nxe4
Bxd4
37.
Nxd4
Qxe4
38.
Qxe4
Ng3+
39.
Kh2
Nxe4
40.
Nb3
Nc3
41.
Nxa5
Nxa4
42.
Kg3
f6
43.
Kf3
Kf7
44.
Nc4
Nc5
45.
Ke3
Ke7
46.
Kd4
Nb7
47.
Nd2
Nd6
48.
Nf3
Nf5+
49.
Kd3
Ng3
50.
Ke3
Kd6
51.
Kf2
Ne4+
52.
Ke3
Kd5
53.
Nd4
Ng3
54.
Nb5
Kc5
55.
Nc7
Nf5+
56.
Ke4
Kd6
57.
Nb5+
Kc6
58.
Nc3
Kc5
59.
Kd3
Nd6
60.
Ne2
h6
61.
Nc3
Kb4
62.
Ne2
Nb5
63.
h4
Kc5
64.
g4
Kd5
65.
Ke3
Nd6
66.
Nc3+
Kc4
67.
Ne2
h5
68.
g5
Nf5+
69.
Ke4
Nd6+
70.
Ke3
fxg5
71.
hxg5
Kd5
72.
Nc3+
Kc4
73.
Ne2
Kd5
74.
Nc3+
Kc5
75.
Ne2
Kc4
76.
Ng1
Kd5
77.
Nf3
Nf5+
78.
Kd3
h4
79.
Ne5
h3
80.
Ng4
Nh4
81.
Ke3
Ng2+
82.
Kf3
Kd4
83.
Kg3
Ke4
84.
Nf2+
Kf5
85.
Nxh3
Ne3
86.
Nf2
Nf1+
87.
Kf3
Nd2+
88.
Ke3
1/2-1/2
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Event
Site
Amsterdam
Date
1969.??.??
Round
9
White
Donner, Jan Hein
Black
Result
1/2-1/2
[Event "IBM"] [Site "Amsterdam"] [Date "1969.??.??"] [Round "9"] [White "Donner, Jan Hein"] [Black "Ivkov, Borislav"] [Result "1/2-1/2"] 1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Bb7 7. Be3 Nd7 8. a4 b4 9. Ne2 Ngf6 10. Nd2 c5 11. c3 bxc3 12. bxc3 cxd4 13. cxd4 Qa5 14. O-O Ng4 15. Rf3 Nxe3 16. Rxe3 Qb6 17. Rb1 Qa7 18. Kh1 Nf6 19. h3 O-O 20. Bc2 Rac8 21. Reb3 Bc6 22. Rc3 Bd7 23. Rxc8 Rxc8 24. Bd3 Bc6 25. Qb3 Nd7 26. Nf3 Rb8 27. Qa2 Rxb1+ 28. Bxb1 Qb7 29. Bd3 e6 30. Nc3 Nf6 31. Qc4 a5 32. Nd2 Nh5 33. Ne2 d5 34. Qc2 dxe4 35. Bxe4 Bxe4 36. Nxe4 Bxd4 37. Nxd4 Qxe4 38. Qxe4 Ng3+ 39. Kh2 Nxe4 40. Nb3 Nc3 41. Nxa5 Nxa4 42. Kg3 f6 43. Kf3 Kf7 44. Nc4 Nc5 45. Ke3 Ke7 46. Kd4 Nb7 47. Nd2 Nd6 48. Nf3 Nf5+ 49. Kd3 Ng3 50. Ke3 Kd6 51. Kf2 Ne4+ 52. Ke3 Kd5 53. Nd4 Ng3 54. Nb5 Kc5 55. Nc7 Nf5+ 56. Ke4 Kd6 57. Nb5+ Kc6 58. Nc3 Kc5 59. Kd3 Nd6 60. Ne2 h6 61. Nc3 Kb4 62. Ne2 Nb5 63. h4 Kc5 64. g4 Kd5 65. Ke3 Nd6 66. Nc3+ Kc4 67. Ne2 h5 68. g5 Nf5+ 69. Ke4 Nd6+ 70. Ke3 fxg5 71. hxg5 Kd5 72. Nc3+ Kc4 73. Ne2 Kd5 74. Nc3+ Kc5 75. Ne2 Kc4 76. Ng1 Kd5 77. Nf3 Nf5+ 78. Kd3 h4 79. Ne5 h3 80. Ng4 Nh4 81. Ke3 Ng2+ 82. Kf3 Kd4 83. Kg3 Ke4 84. Nf2+ Kf5 85. Nxh3 Ne3 86. Nf2 Nf1+ 87. Kf3 Nd2+ 88. Ke3 1/2-1/2