1.
b3
e5
2.
Bb2
Nc6
3.
e3
d6
4.
g3
f5
5.
Bg2
Nf6
6.
Ne2
g6
7.
Nbc3
Bg7
8.
Nd5
Nxd5
9.
Bxd5
Ne7
10.
Bg2
O-O
11.
d3
c6
12.
Qd2
a5
13.
c4
Be6
14.
O-O
g5
15.
f4
h6
16.
Kh1
Ng6
17.
e4
d5
18.
cxd5
cxd5
19.
exf5
Bxf5
20.
fxe5
Nxe5
21.
Nd4
Bg4
22.
Rxf8+
Bxf8
23.
h3
Bc8
24.
Nb5
Nf7
25.
Qc3
Ra6
26.
Rf1
Rg6
27.
Qc7
Qxc7
28.
Nxc7
Rc6
29.
Nxd5
Rc2
30.
Nf6+
Kh8
31.
Ba1
Bg7
32.
Re1
Nd6
33.
Ne8
Nf5
34.
Nxg7
Nxg7
35.
Bd4
Rc7
36.
g4
1-0
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Event
Site
Boston
Date
1970.08.13
Round
4
White
Coudari, Camille
Black
Williams, Leo
Result
1-0
[Event "US Open-71"] [Site "Boston"] [Date "1970.08.13"] [Round "4"] [White "Coudari, Camille"] [Black "Williams, Leo"] [Result "1-0"] [EventArchiveKey "us-open-1970-boston"] 1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. g3 f5 5. Bg2 Nf6 6. Ne2 g6 7. Nbc3 Bg7 8. Nd5 Nxd5 9. Bxd5 Ne7 10. Bg2 O-O 11. d3 c6 12. Qd2 a5 13. c4 Be6 14. O-O g5 15. f4 h6 16. Kh1 Ng6 17. e4 d5 18. cxd5 cxd5 19. exf5 Bxf5 20. fxe5 Nxe5 21. Nd4 Bg4 22. Rxf8+ Bxf8 23. h3 Bc8 24. Nb5 Nf7 25. Qc3 Ra6 26. Rf1 Rg6 27. Qc7 Qxc7 28. Nxc7 Rc6 29. Nxd5 Rc2 30. Nf6+ Kh8 31. Ba1 Bg7 32. Re1 Nd6 33. Ne8 Nf5 34. Nxg7 Nxg7 35. Bd4 Rc7 36. g4 1-0