1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
Nf3
O-O
6.
Be2
e5
7.
O-O
Nc6
8.
d5
Ne7
9.
b4
Nd7
10.
c5
f5
11.
Ng5
Nf6
12.
f3
f4
13.
cxd6
cxd6
14.
Qb3
Qb6+
15.
Kh1
Bd7
16.
Ne6
Bxe6
17.
dxe6
Rac8
18.
Bd2
g5
19.
Rad1
h5
20.
Be1
Kh7
21.
Bf2
Qc6
22.
Nb5
Qc2
23.
Bd3
Qxb3
24.
axb3
Ne8
25.
Nxa7
Ra8
26.
b5
Nc8
27.
b6
Bf6
28.
Rc1
Ng7
29.
Rc7
Kh6
30.
Rfc1
Nxa7
31.
bxa7
Nxe6
32.
Rxb7
1-0
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Event
Site
Dearborn
Date
1992.??.??
Round
4
White
O'Donnell, Robert
Black
Marthinsen, Arthur A
Result
1-0
[Event "US Open-93"] [Site "Dearborn"] [Date "1992.??.??"] [Round "4"] [White "O'Donnell, Robert"] [Black "Marthinsen, Arthur A"] [Result "1-0"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nd7 10. c5 f5 11. Ng5 Nf6 12. f3 f4 13. cxd6 cxd6 14. Qb3 Qb6+ 15. Kh1 Bd7 16. Ne6 Bxe6 17. dxe6 Rac8 18. Bd2 g5 19. Rad1 h5 20. Be1 Kh7 21. Bf2 Qc6 22. Nb5 Qc2 23. Bd3 Qxb3 24. axb3 Ne8 25. Nxa7 Ra8 26. b5 Nc8 27. b6 Bf6 28. Rc1 Ng7 29. Rc7 Kh6 30. Rfc1 Nxa7 31. bxa7 Nxe6 32. Rxb7 1-0