1.
e4
c5
2.
Ne2
Nc6
3.
Nbc3
d6
4.
d3
g6
5.
h3
Bg7
6.
g4
e6
7.
Ng3
Nge7
8.
Bg2
Rb8
9.
Be3
b5
10.
Qd2
Nd4
11.
Nd1
e5
12.
f4
exf4
13.
Bxf4
Ne6
14.
Bh6
Be5
15.
Qf2
Nc6
16.
Ne2
Qf6
17.
Qxf6
Bxf6
18.
O-O
Be5
19.
Nf4
Ncd4
20.
Nxe6
Nxe6
21.
Be3
h5
22.
g5
b4
23.
a3
b3
24.
c3
Ba6
25.
Nf2
Bg3
26.
Rfd1
O-O
27.
d4
cxd4
28.
Bxd4
Nxd4
29.
Rxd4
Rb6
30.
Nd3
Bh4
31.
Nf4
Bxg5
32.
Nd5
Rbb8
33.
Bf1
Bxf1
34.
Rxf1
Kg7
35.
Kg2
Rfe8
36.
Ra4
Rb7
37.
Kg3
Re5
38.
Rd1
Bd8
39.
Nf4
Rd7
40.
Rb4
a5
41.
Rxb3
Rxe4
42.
Nd5
1/2-1/2
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Site
Havana
Date
1966.11.03
Round
7
White
Zwaig, Arne
Black
Result
1/2-1/2
Score
[Event "Olympiad-17 Preliminaries C"] [Site "Havana"] [Date "1966.11.03"] [Round "7"] [White "Zwaig, Arne"] [Black "Byrne, Robert Eugene"] [Result "1/2-1/2"] 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d3 g6 5. h3 Bg7 6. g4 e6 7. Ng3 Nge7 8. Bg2 Rb8 9. Be3 b5 10. Qd2 Nd4 11. Nd1 e5 12. f4 exf4 13. Bxf4 Ne6 14. Bh6 Be5 15. Qf2 Nc6 16. Ne2 Qf6 17. Qxf6 Bxf6 18. O-O Be5 19. Nf4 Ncd4 20. Nxe6 Nxe6 21. Be3 h5 22. g5 b4 23. a3 b3 24. c3 Ba6 25. Nf2 Bg3 26. Rfd1 O-O 27. d4 cxd4 28. Bxd4 Nxd4 29. Rxd4 Rb6 30. Nd3 Bh4 31. Nf4 Bxg5 32. Nd5 Rbb8 33. Bf1 Bxf1 34. Rxf1 Kg7 35. Kg2 Rfe8 36. Ra4 Rb7 37. Kg3 Re5 38. Rd1 Bd8 39. Nf4 Rd7 40. Rb4 a5 41. Rxb3 Rxe4 42. Nd5 1/2-1/2