1.
d4
Nf6
2.
c4
e6
3.
Nc3
Bb4
4.
Bg5
h6
5.
Bh4
d5
6.
e3
Nbd7
7.
cxd5
exd5
8.
Bd3
c6
9.
Qc2
O-O
10.
Ne2
Re8
11.
O-O-O
a5
12.
g4
Be7
13.
f3
b5
14.
Bg3
a4
15.
Nxb5
Bb7
16.
Nc7
c5
17.
Nxe8
Qxe8
18.
Nc3
c4
19.
Bf5
a3
20.
b3
Rc8
21.
b4
Bxb4
22.
Rhe1
Qd8
23.
e4
Qa5
24.
Re3
Bc6
25.
e5
Ne8
26.
e6
fxe6
27.
Bxe6+
Kh8
28.
h4
Nc7
29.
Bf7
Rf8
30.
Bxc7
Qxc7
31.
Nxd5
Bxd5
32.
Bxd5
Qf4
33.
Qe4
Qh2
34.
Re2
Qxh4
35.
Qg6
Qg3
36.
Be4
Qf4+
37.
Kc2
Nf6
38.
Qf5
Nxe4
39.
Qxf4
Rxf4
40.
fxe4
Rxg4
41.
d5
Ba5
42.
e5
Kg8
43.
e6
Kf8
44.
e7+
Ke8
45.
d6
1-0
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Event
Site
Omaha
Date
1959.07.23
Round
4
White
Osbun, Erik Delwin
Black
Warren, James E
Result
1-0
Score
[Event "US Open-60"] [Site "Omaha"] [Date "1959.07.23"] [Round "4"] [White "Osbun, Erik Delwin"] [Black "Warren, James E"] [Result "1-0"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 d5 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 O-O 10. Ne2 Re8 11. O-O-O a5 12. g4 Be7 13. f3 b5 14. Bg3 a4 15. Nxb5 Bb7 16. Nc7 c5 17. Nxe8 Qxe8 18. Nc3 c4 19. Bf5 a3 20. b3 Rc8 21. b4 Bxb4 22. Rhe1 Qd8 23. e4 Qa5 24. Re3 Bc6 25. e5 Ne8 26. e6 fxe6 27. Bxe6+ Kh8 28. h4 Nc7 29. Bf7 Rf8 30. Bxc7 Qxc7 31. Nxd5 Bxd5 32. Bxd5 Qf4 33. Qe4 Qh2 34. Re2 Qxh4 35. Qg6 Qg3 36. Be4 Qf4+ 37. Kc2 Nf6 38. Qf5 Nxe4 39. Qxf4 Rxf4 40. fxe4 Rxg4 41. d5 Ba5 42. e5 Kg8 43. e6 Kf8 44. e7+ Ke8 45. d6 1-0