1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
e6
6.
g4
Be7
7.
g5
Nfd7
8.
Be3
a6
9.
f4
Nc6
10.
Bc4
Nb6
11.
Bb3
Na5
12.
Qf3
Nbc4
13.
Bc1
Qc7
14.
Bxc4
Qxc4
15.
Be3
Nc6
16.
O-O-O
b5
17.
Kb1
Bb7
18.
f5
e5
19.
Nb3
d5
20.
exd5
Nb4
21.
Na5
Qc7
22.
Nxb7
Qxb7
23.
a3
a5
24.
Qe2
O-O
25.
d6
Bxd6
26.
axb4
axb4
27.
Qxb5
Qxh1
28.
Rxh1
bxc3
29.
bxc3
Rfb8
30.
Qxb8+
Rxb8+
31.
Kc1
e4
32.
h4
Be5
33.
Bd4
Bf4+
0-1
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Event
Site
Lincoln
Date
1969.08.20
Round
10
White
Koehler, Wesley
Black
Lohrman, Ronald E
Result
0-1
Score
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.20"] [Round "10"] [White "Koehler, Wesley"] [Black "Lohrman, Ronald E"] [Result "0-1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 Be7 7. g5 Nfd7 8. Be3 a6 9. f4 Nc6 10. Bc4 Nb6 11. Bb3 Na5 12. Qf3 Nbc4 13. Bc1 Qc7 14. Bxc4 Qxc4 15. Be3 Nc6 16. O-O-O b5 17. Kb1 Bb7 18. f5 e5 19. Nb3 d5 20. exd5 Nb4 21. Na5 Qc7 22. Nxb7 Qxb7 23. a3 a5 24. Qe2 O-O 25. d6 Bxd6 26. axb4 axb4 27. Qxb5 Qxh1 28. Rxh1 bxc3 29. bxc3 Rfb8 30. Qxb8+ Rxb8+ 31. Kc1 e4 32. h4 Be5 33. Bd4 Bf4+ 0-1