1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
e3
b6
5.
Ne2
Ba6
6.
a3
Bxc3+
7.
Nxc3
d5
8.
b3
O-O
9.
Be2
Nc6
10.
a4
dxc4
11.
bxc4
Na5
12.
Ba3
Re8
13.
Nb5
c6
14.
Nd6
Re7
15.
O-O
Ne8
16.
Nxe8
Rxe8
17.
Qc2
Qc7
18.
Rfd1
Rad8
19.
Qc3
c5
20.
dxc5
bxc5
21.
Rxd8
Rxd8
22.
Rb1
f6
23.
Bf1
Nb7
24.
Qc2
Qd7
25.
h3
Kh8
26.
Be2
Qc7
27.
Qe4
Rd6
28.
Bd3
f5
29.
Qe5
Rc6
30.
Qc3
Rb6
31.
Rd1
Kg8
32.
Bf1
Rd6
33.
Qe5
Bxc4
34.
Bxc5
Rc6
35.
Qxc7
Rxc7
36.
Bxa7
Bxf1
37.
Kxf1
Rc4
38.
Rd7
Na5
39.
Bd4
g6
40.
Rg7+
Kf8
41.
Rxh7
Nc6
42.
Bf6
Rxa4
43.
Rg7
e5
44.
Rxg6
Ra1+
45.
Ke2
Kf7
46.
Rh6
Ra2+
47.
Kf3
Ra3
48.
g4
f4
49.
Ke4
1-0
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Event
Site
Venice
Date
1967.??.??
Round
4
White
Donner, Jan Hein
Black
Kupper, Josef
Result
1-0
Score
[Event "Venice"] [Site "Venice"] [Date "1967.??.??"] [Round "4"] [White "Donner, Jan Hein"] [Black "Kupper, Josef"] [Result "1-0"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 O-O 9. Be2 Nc6 10. a4 dxc4 11. bxc4 Na5 12. Ba3 Re8 13. Nb5 c6 14. Nd6 Re7 15. O-O Ne8 16. Nxe8 Rxe8 17. Qc2 Qc7 18. Rfd1 Rad8 19. Qc3 c5 20. dxc5 bxc5 21. Rxd8 Rxd8 22. Rb1 f6 23. Bf1 Nb7 24. Qc2 Qd7 25. h3 Kh8 26. Be2 Qc7 27. Qe4 Rd6 28. Bd3 f5 29. Qe5 Rc6 30. Qc3 Rb6 31. Rd1 Kg8 32. Bf1 Rd6 33. Qe5 Bxc4 34. Bxc5 Rc6 35. Qxc7 Rxc7 36. Bxa7 Bxf1 37. Kxf1 Rc4 38. Rd7 Na5 39. Bd4 g6 40. Rg7+ Kf8 41. Rxh7 Nc6 42. Bf6 Rxa4 43. Rg7 e5 44. Rxg6 Ra1+ 45. Ke2 Kf7 46. Rh6 Ra2+ 47. Kf3 Ra3 48. g4 f4 49. Ke4 1-0