1.
Nf3
c5
2.
g3
Nc6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Bg2
g6
6.
O-O
Bg7
7.
c3
d5
8.
Nxc6
bxc6
9.
c4
O-O
10.
cxd5
cxd5
11.
Nc3
e6
12.
Bg5
Ba6
13.
Qd2
Qe7
14.
Rfe1
Rfd8
15.
Qf4
Rab8
16.
Rab1
Rb4
17.
Qd2
Rdb8
18.
b3
Qf8
19.
Na4
Nd7
20.
Qd1
Ne5
21.
Rc1
Rc8
22.
Be3
d4
23.
Bd2
Rbb8
24.
Bf4
Rxc1
25.
Qxc1
Rc8
26.
Qd2
Qe8
27.
Nb2
Qb5
28.
Bf1
Bb7
29.
Bxe5
Bxe5
30.
Nc4
Qd5
31.
f3
Bf6
32.
Bg2
Kg7
33.
e3
dxe3
34.
Qxd5
Bxd5
35.
Nxe3
Bd4
36.
Kf1
Bb7
37.
f4
Ba6+
38.
Nc4
Rxc4
39.
bxc4
Bxc4+
40.
Re2
Bg1
41.
h3
Bh2
42.
Kf2
Bxg3+
0-1
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Event
Site
Chicago
Date
1979.08.03
Round
6
White
Coffey, Allen
Black
Marfia, Jim
Result
0-1
Score
[Event "US Open-80"] [Site "Chicago"] [Date "1979.08.03"] [Round "6"] [White "Coffey, Allen"] [Black "Marfia, Jim"] [Result "0-1"] 1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg2 g6 6. O-O Bg7 7. c3 d5 8. Nxc6 bxc6 9. c4 O-O 10. cxd5 cxd5 11. Nc3 e6 12. Bg5 Ba6 13. Qd2 Qe7 14. Rfe1 Rfd8 15. Qf4 Rab8 16. Rab1 Rb4 17. Qd2 Rdb8 18. b3 Qf8 19. Na4 Nd7 20. Qd1 Ne5 21. Rc1 Rc8 22. Be3 d4 23. Bd2 Rbb8 24. Bf4 Rxc1 25. Qxc1 Rc8 26. Qd2 Qe8 27. Nb2 Qb5 28. Bf1 Bb7 29. Bxe5 Bxe5 30. Nc4 Qd5 31. f3 Bf6 32. Bg2 Kg7 33. e3 dxe3 34. Qxd5 Bxd5 35. Nxe3 Bd4 36. Kf1 Bb7 37. f4 Ba6+ 38. Nc4 Rxc4 39. bxc4 Bxc4+ 40. Re2 Bg1 41. h3 Bh2 42. Kf2 Bxg3+ 0-1