1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
Nc6
5.
Nc3
a6
6.
g3
d6
7.
Bg2
Bd7
8.
O-O
Nf6
9.
Re1
Be7
10.
Nxc6
Bxc6
11.
f4
Qc7
12.
h3
O-O
13.
g4
Rfe8
14.
g5
Nd7
15.
h4
b5
16.
Be3
Rac8
17.
Qg4
Qb7
18.
a3
a5
19.
h5
b4
20.
axb4
axb4
21.
Ra7
Qb8
22.
Ne2
Bd8
23.
Ng3
Bb6
24.
Raa1
Bxe3+
25.
Rxe3
Qb6
26.
Re1
Ba4
27.
Kh1
Rxc2
28.
g6
Nf6
29.
gxf7+
Kxf7
30.
Qg5
Bc6
31.
R3e2
Qc5
32.
f5
Rxe2
33.
Rxe2
e5
34.
h6
Rg8
35.
Nh5
Nxh5
36.
Qxh5+
g6
37.
fxg6+
Rxg6
38.
Qf5+
Ke7
39.
Rf2
Qc1+
40.
Kh2
Qxh6+
41.
Bh3
Rf6
0-1
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Event
Site
Las Vegas
Date
1975.03.05
Round
6
White
Davidian, J
Black
Watson, John L
Result
0-1
Score
[Event "Las Vegas National op"] [Site "Las Vegas"] [Date "1975.03.05"] [Round "6"] [White "Davidian, J"] [Black "Watson, John L"] [Result "0-1"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 d6 7. Bg2 Bd7 8. O-O Nf6 9. Re1 Be7 10. Nxc6 Bxc6 11. f4 Qc7 12. h3 O-O 13. g4 Rfe8 14. g5 Nd7 15. h4 b5 16. Be3 Rac8 17. Qg4 Qb7 18. a3 a5 19. h5 b4 20. axb4 axb4 21. Ra7 Qb8 22. Ne2 Bd8 23. Ng3 Bb6 24. Raa1 Bxe3+ 25. Rxe3 Qb6 26. Re1 Ba4 27. Kh1 Rxc2 28. g6 Nf6 29. gxf7+ Kxf7 30. Qg5 Bc6 31. R3e2 Qc5 32. f5 Rxe2 33. Rxe2 e5 34. h6 Rg8 35. Nh5 Nxh5 36. Qxh5+ g6 37. fxg6+ Rxg6 38. Qf5+ Ke7 39. Rf2 Qc1+ 40. Kh2 Qxh6+ 41. Bh3 Rf6 0-1