1.
d4
e6
2.
c4
Bb4+
3.
Nc3
c5
4.
e3
Nf6
5.
Bd3
d5
6.
Nf3
O-O
7.
O-O
cxd4
8.
exd4
dxc4
9.
Bxc4
b6
10.
Qe2
Bb7
11.
Bg5
Nbd7
12.
Rac1
Qb8
13.
Rfe1
Bxc3
14.
bxc3
h6
15.
Bh4
Qf4
16.
Bg3
Qg4
17.
Bd3
Nh5
18.
Qe3
Nxg3
19.
hxg3
Rfd8
20.
Red1
Rac8
21.
a4
Qh5
22.
Nd2
Nf6
23.
f3
Rc7
24.
Nb3
Nd5
25.
Qe1
a5
26.
c4
Nb4
27.
c5
bxc5
28.
Nxa5
Nxd3
29.
Rxd3
Ba6
30.
Rdd1
Rdc8
31.
dxc5
Rxc5
32.
Nb3
Rc4
33.
Qe3
Qf5
34.
Rxc4
Rxc4
35.
g4
Qg5
36.
Qxg5
hxg5
37.
Rd8+
Kh7
38.
Ra8
Bb7
39.
Ra7
Bd5
1/2-1/2
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Event
Site
Amsterdam
Date
1964.07.22
Round
2
White
Donner, Jan Hein
Black
Result
1/2-1/2
Score
[Event "IBM"] [Site "Amsterdam"] [Date "1964.07.22"] [Round "2"] [White "Donner, Jan Hein"] [Black "Barcza, Gedeon"] [Result "1/2-1/2"] 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nf6 5. Bd3 d5 6. Nf3 O-O 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Qe2 Bb7 11. Bg5 Nbd7 12. Rac1 Qb8 13. Rfe1 Bxc3 14. bxc3 h6 15. Bh4 Qf4 16. Bg3 Qg4 17. Bd3 Nh5 18. Qe3 Nxg3 19. hxg3 Rfd8 20. Red1 Rac8 21. a4 Qh5 22. Nd2 Nf6 23. f3 Rc7 24. Nb3 Nd5 25. Qe1 a5 26. c4 Nb4 27. c5 bxc5 28. Nxa5 Nxd3 29. Rxd3 Ba6 30. Rdd1 Rdc8 31. dxc5 Rxc5 32. Nb3 Rc4 33. Qe3 Qf5 34. Rxc4 Rxc4 35. g4 Qg5 36. Qxg5 hxg5 37. Rd8+ Kh7 38. Ra8 Bb7 39. Ra7 Bd5 1/2-1/2