1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
g6
6.
Be3
Bg7
7.
f3
Nc6
8.
Qd2
O-O
9.
Bc4
Bd7
10.
h4
Rc8
11.
Bb3
Ne5
12.
O-O-O
Nc4
13.
Bxc4
Rxc4
14.
Nde2
h5
15.
e5
Ne8
16.
exd6
Nxd6
17.
Bg5
Rc6
18.
Nd4
Nc4
19.
Qd3
Ne5
20.
Qe3
Rd6
21.
Nb3
Bc6
22.
Rxd6
Qxd6
23.
Rd1
Qc7
24.
Qc5
e6
25.
Ne4
f6
26.
Be3
b6
27.
Qd6
Qxd6
28.
Nxd6
Rd8
29.
Bf4
Bf8
30.
Ne4
Rxd1+
31.
Kxd1
Bxe4
1/2-1/2
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Event
Site
Columbus
Date
1977.08.??
White
Haas, D
Black
Pruner, Earl W
Result
1/2-1/2
Score
[Event "US Open-78"] [Site "Columbus"] [Date "1977.08.??"] [Round "?"] [White "Haas, D"] [Black "Pruner, Earl W"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. O-O-O Nc4 13. Bxc4 Rxc4 14. Nde2 h5 15. e5 Ne8 16. exd6 Nxd6 17. Bg5 Rc6 18. Nd4 Nc4 19. Qd3 Ne5 20. Qe3 Rd6 21. Nb3 Bc6 22. Rxd6 Qxd6 23. Rd1 Qc7 24. Qc5 e6 25. Ne4 f6 26. Be3 b6 27. Qd6 Qxd6 28. Nxd6 Rd8 29. Bf4 Bf8 30. Ne4 Rxd1+ 31. Kxd1 Bxe4 1/2-1/2