1.
e4
g6
2.
d4
d6
3.
f4
c5
4.
c3
cxd4
5.
cxd4
Bg7
6.
Nf3
Bg4
7.
Nbd2
Nc6
8.
Qa4
Bd7
9.
Bb5
a6
10.
Bxc6
bxc6
11.
Qa3
Nf6
12.
O-O
O-O
13.
e5
dxe5
14.
fxe5
Ng4
15.
Ne4
Be6
16.
h3
Nh6
17.
Bf4
Nf5
18.
Rfd1
Bd5
19.
Ned2
f6
20.
Bh2
h5
21.
Qc5
g5
22.
exf6
exf6
23.
g4
hxg4
24.
hxg4
Ne3
25.
Re1
Re8
26.
Bd6
Qd7
27.
Nh2
Nxg4
28.
Nhf3
Ne3
29.
Kf2
Ng4+
30.
Kg1
Bf8
31.
Bxf8
Qh7
32.
Be7
Qh3
33.
Qd6
Rad8
34.
Bxd8
Re5
35.
Qxe5
fxe5
36.
Re2
Bxf3
37.
Nxf3
Qxf3
38.
Rg2
Qe3+
39.
Kf1
Qd3+
40.
Ke1
Qf3
0-1
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Event
Site
Lincoln
Date
1969.08.22
Round
12
White
Watson, John L
Black
Grefe, John Alan
Result
0-1
Score
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.22"] [Round "12"] [White "Watson, John L"] [Black "Grefe, John Alan"] [Result "0-1"] 1. e4 g6 2. d4 d6 3. f4 c5 4. c3 cxd4 5. cxd4 Bg7 6. Nf3 Bg4 7. Nbd2 Nc6 8. Qa4 Bd7 9. Bb5 a6 10. Bxc6 bxc6 11. Qa3 Nf6 12. O-O O-O 13. e5 dxe5 14. fxe5 Ng4 15. Ne4 Be6 16. h3 Nh6 17. Bf4 Nf5 18. Rfd1 Bd5 19. Ned2 f6 20. Bh2 h5 21. Qc5 g5 22. exf6 exf6 23. g4 hxg4 24. hxg4 Ne3 25. Re1 Re8 26. Bd6 Qd7 27. Nh2 Nxg4 28. Nhf3 Ne3 29. Kf2 Ng4+ 30. Kg1 Bf8 31. Bxf8 Qh7 32. Be7 Qh3 33. Qd6 Rad8 34. Bxd8 Re5 35. Qxe5 fxe5 36. Re2 Bxf3 37. Nxf3 Qxf3 38. Rg2 Qe3+ 39. Kf1 Qd3+ 40. Ke1 Qf3 0-1