1.
d4
g6
2.
e4
Bg7
3.
c4
d6
4.
Nc3
e5
5.
Nge2
Nc6
6.
d5
Nce7
7.
g3
f5
8.
Bg2
Nf6
9.
f3
O-O
10.
O-O
c6
11.
Kh1
cxd5
12.
cxd5
Qb6
13.
Qb3
Qxb3
14.
axb3
Bd7
15.
Be3
a6
16.
h3
Rac8
17.
Rac1
h5
18.
Rc2
Kh7
19.
Rfc1
Bh6
20.
Bxh6
Kxh6
21.
Na4
Rxc2
22.
Rxc2
Rc8
23.
Rxc8
Nxc8
24.
Kg1
b5
25.
Nac3
b4
26.
Nb1
Bb5
27.
Nc1
Nb6
28.
Kf2
Nbd7
29.
Ke3
Nc5
30.
Nd2
a5
31.
f4
fxe4
32.
Bxe4
exf4+
33.
Kxf4
Ncxe4
34.
Nxe4
Nxe4
35.
Kxe4
g5
0-1
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Event
Site
Santa Monica
Date
1966.08.14
Round
17
White
Donner, Jan Hein
Black
Result
0-1
[Event "Piatigorsky-Cup 2nd"] [Site "Santa Monica"] [Date "1966.08.14"] [Round "17"] [White "Donner, Jan Hein"] [Black "Ivkov, Borislav"] [Result "0-1"] 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 e5 5. Nge2 Nc6 6. d5 Nce7 7. g3 f5 8. Bg2 Nf6 9. f3 O-O 10. O-O c6 11. Kh1 cxd5 12. cxd5 Qb6 13. Qb3 Qxb3 14. axb3 Bd7 15. Be3 a6 16. h3 Rac8 17. Rac1 h5 18. Rc2 Kh7 19. Rfc1 Bh6 20. Bxh6 Kxh6 21. Na4 Rxc2 22. Rxc2 Rc8 23. Rxc8 Nxc8 24. Kg1 b5 25. Nac3 b4 26. Nb1 Bb5 27. Nc1 Nb6 28. Kf2 Nbd7 29. Ke3 Nc5 30. Nd2 a5 31. f4 fxe4 32. Bxe4 exf4+ 33. Kxf4 Ncxe4 34. Nxe4 Nxe4 35. Kxe4 g5 0-1