1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
e3
c5
5.
Bd3
O-O
6.
Nf3
d5
7.
O-O
Nc6
8.
a3
Bxc3
9.
bxc3
Qc7
10.
cxd5
exd5
11.
Nh4
Re8
12.
f3
Qd8
13.
Nf5
cxd4
14.
cxd4
Na5
15.
Ng3
Bd7
16.
Ra2
Rc8
17.
e4
Qb6
18.
Raf2
dxe4
19.
Nxe4
Bf5
20.
Re1
Bg6
21.
Rfe2
Red8
22.
Nxf6+
Qxf6
23.
Be3
Nc6
24.
Bxg6
hxg6
25.
d5
Qd6
26.
Rd2
Na5
27.
Rd3
Nc4
28.
Bc1
Rc5
29.
Re4
Ne5
30.
Bf4
Qb6
31.
Rb4
Rb5+
32.
Be3
Qa6
33.
Rxb5
Qxb5
34.
Rd4
Nc4
35.
Qd3
Nd6
36.
Qxb5
Nxb5
37.
Rd3
b6
38.
Bf4
Nd6
39.
Kf2
Kf8
40.
Bxd6+
Rxd6
41.
Ke3
Ke7
42.
Kd4
Rd8
43.
Kc4
Rc8+
44.
Kb5
Rc5+
45.
Ka6
Ra5+
46.
Kb7
Kd6
47.
f4
Ra4
48.
g3
Ra5
49.
Kb8
Ra4
50.
Ka8
a5
51.
Kb7
b5
52.
Kb6
b4
53.
axb4
axb4
54.
Kb5
Ra3
55.
Rd1
b3
56.
Kb4
Ra2
57.
Kxb3
Rxh2
58.
Kc4
Ra2
59.
Kd4
Ra3
60.
g4
g5
61.
fxg5
Ra4+
62.
Ke3
Rxg4
63.
Rf1
1/2-1/2
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Event
Site
Bad Aibling
Date
1968.05.03
Round
4
White
Donner, Jan Hein
Black
Keller, Dieter
Result
1/2-1/2
[Event "Clare Benedict Cup-15"] [Site "Bad Aibling"] [Date "1968.05.03"] [Round "4"] [White "Donner, Jan Hein"] [Black "Keller, Dieter"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5 11. Nh4 Re8 12. f3 Qd8 13. Nf5 cxd4 14. cxd4 Na5 15. Ng3 Bd7 16. Ra2 Rc8 17. e4 Qb6 18. Raf2 dxe4 19. Nxe4 Bf5 20. Re1 Bg6 21. Rfe2 Red8 22. Nxf6+ Qxf6 23. Be3 Nc6 24. Bxg6 hxg6 25. d5 Qd6 26. Rd2 Na5 27. Rd3 Nc4 28. Bc1 Rc5 29. Re4 Ne5 30. Bf4 Qb6 31. Rb4 Rb5+ 32. Be3 Qa6 33. Rxb5 Qxb5 34. Rd4 Nc4 35. Qd3 Nd6 36. Qxb5 Nxb5 37. Rd3 b6 38. Bf4 Nd6 39. Kf2 Kf8 40. Bxd6+ Rxd6 41. Ke3 Ke7 42. Kd4 Rd8 43. Kc4 Rc8+ 44. Kb5 Rc5+ 45. Ka6 Ra5+ 46. Kb7 Kd6 47. f4 Ra4 48. g3 Ra5 49. Kb8 Ra4 50. Ka8 a5 51. Kb7 b5 52. Kb6 b4 53. axb4 axb4 54. Kb5 Ra3 55. Rd1 b3 56. Kb4 Ra2 57. Kxb3 Rxh2 58. Kc4 Ra2 59. Kd4 Ra3 60. g4 g5 61. fxg5 Ra4+ 62. Ke3 Rxg4 63. Rf1 1/2-1/2