1.
d4
d5
2.
c4
dxc4
3.
Nf3
Nf6
4.
Qa4+
Bd7
5.
Qxc4
e6
6.
e3
a6
7.
Nc3
b5
8.
Qb3
c5
9.
g3
Nc6
10.
dxc5
Bxc5
11.
Bg2
O-O
12.
O-O
Qb6
13.
Qc2
Rac8
14.
Ne4
Be7
15.
Nfg5
Nxe4
16.
Nxe4
Nb4
17.
Qd2
Rfd8
18.
Nc3
Be8
19.
Qe2
Nd3
20.
Rd1
Nxc1
21.
Raxc1
b4
22.
Nb1
Bb5
23.
Rxd8+
Qxd8
24.
Qe1
Rxc1
25.
Qxc1
Qa5
26.
a3
Bd3
27.
Bf1
Bxb1
28.
Qxb1
bxa3
29.
bxa3
Qxa3
30.
Qb8+
Bf8
31.
Qe8
a5
32.
Bb5
g6
33.
Ba4
Kg7
34.
Qb5
Qa1+
35.
Kg2
Bb4
36.
e4
Qd4
37.
e5
g5
38.
Bc2
Bc3
39.
Qe2
Qxe5
40.
Qf3
Qd4
41.
Qh5
h6
42.
f4
Qd2+
0-1
Opening Explorer
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Event
Site
San Francisco
Date
1961.08.18
Round
5
White
Nowak, John
Black
Osbun, Erik Delwin
Result
0-1
Score
[Event "US Open-62"] [Site "San Francisco"] [Date "1961.08.18"] [Round "5"] [White "Nowak, John"] [Black "Osbun, Erik Delwin"] [Result "0-1"] 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Bd7 5. Qxc4 e6 6. e3 a6 7. Nc3 b5 8. Qb3 c5 9. g3 Nc6 10. dxc5 Bxc5 11. Bg2 O-O 12. O-O Qb6 13. Qc2 Rac8 14. Ne4 Be7 15. Nfg5 Nxe4 16. Nxe4 Nb4 17. Qd2 Rfd8 18. Nc3 Be8 19. Qe2 Nd3 20. Rd1 Nxc1 21. Raxc1 b4 22. Nb1 Bb5 23. Rxd8+ Qxd8 24. Qe1 Rxc1 25. Qxc1 Qa5 26. a3 Bd3 27. Bf1 Bxb1 28. Qxb1 bxa3 29. bxa3 Qxa3 30. Qb8+ Bf8 31. Qe8 a5 32. Bb5 g6 33. Ba4 Kg7 34. Qb5 Qa1+ 35. Kg2 Bb4 36. e4 Qd4 37. e5 g5 38. Bc2 Bc3 39. Qe2 Qxe5 40. Qf3 Qd4 41. Qh5 h6 42. f4 Qd2+ 0-1