1.
d4
Nf6
2.
c4
g6
3.
Nc3
d5
4.
g3
Bg7
5.
Bg2
c6
6.
Nf3
O-O
7.
cxd5
cxd5
8.
Ne5
Nc6
9.
Nxc6
bxc6
10.
O-O
e5
11.
dxe5
Ng4
12.
Bf4
Nxe5
13.
Rc1
Nc4
14.
b3
Nb6
15.
Qd2
Re8
16.
Rfd1
Bf5
17.
Be3
Rc8
18.
Bc5
h5
19.
e3
h4
20.
Ne2
hxg3
21.
hxg3
Bg4
22.
Re1
Rc7
23.
Nd4
Qf6
24.
Qa5
Rb8
25.
Rc3
Bd7
26.
Qa3
Nc8
27.
Rec1
Rcb7
28.
Bf1
Kh7
29.
Bg2
Kg8
30.
Qa6
Rc7
31.
Qa3
Rcb7
32.
R3c2
g5
33.
Qa6
Rc7
34.
Ba3
Rb6
35.
Qa5
Qe5
36.
Bc5
Rbb7
37.
Qa3
g4
38.
Bb4
Rxb4
39.
Qxb4
Bf8
40.
Qb8
c5
41.
Rxc5
Rxc5
42.
Qxe5
Rxc1+
43.
Kh2
Nb6
44.
Bxd5
Rc5
45.
e4
Nxd5
46.
exd5
Bg7
47.
Qb8+
Kh7
48.
Qd6
Bxd4
49.
Qxd7
1-0
Opening Explorer
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Event
Site
Palo Alto
Date
1981.??.??
Round
11
White
Siff, Boris
Black
Thinnsen, James A
Result
1-0
BlackElo
2220
Score
[Event "US Open-82"] [Site "Palo Alto"] [Date "1981.??.??"] [Round "11"] [White "Siff, Boris"] [Black "Thinnsen, James A"] [Result "1-0"] [BlackElo "2220"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g3 Bg7 5. Bg2 c6 6. Nf3 O-O 7. cxd5 cxd5 8. Ne5 Nc6 9. Nxc6 bxc6 10. O-O e5 11. dxe5 Ng4 12. Bf4 Nxe5 13. Rc1 Nc4 14. b3 Nb6 15. Qd2 Re8 16. Rfd1 Bf5 17. Be3 Rc8 18. Bc5 h5 19. e3 h4 20. Ne2 hxg3 21. hxg3 Bg4 22. Re1 Rc7 23. Nd4 Qf6 24. Qa5 Rb8 25. Rc3 Bd7 26. Qa3 Nc8 27. Rec1 Rcb7 28. Bf1 Kh7 29. Bg2 Kg8 30. Qa6 Rc7 31. Qa3 Rcb7 32. R3c2 g5 33. Qa6 Rc7 34. Ba3 Rb6 35. Qa5 Qe5 36. Bc5 Rbb7 37. Qa3 g4 38. Bb4 Rxb4 39. Qxb4 Bf8 40. Qb8 c5 41. Rxc5 Rxc5 42. Qxe5 Rxc1+ 43. Kh2 Nb6 44. Bxd5 Rc5 45. e4 Nxd5 46. exd5 Bg7 47. Qb8+ Kh7 48. Qd6 Bxd4 49. Qxd7 1-0