1.
b3
e5
2.
e3
Nf6
3.
Bb2
Nc6
4.
Bb5
d6
5.
Bxc6+
bxc6
6.
d4
e4
7.
Ne2
g6
8.
O-O
Bh6
9.
d5
c5
10.
f4
O-O
11.
h3
Bb7
12.
c4
Bg7
13.
g4
c6
14.
dxc6
Bxc6
15.
Ng3
Nxg4
16.
Qe2
Nxe3
17.
Re1
Qh4
18.
Kh2
Bxb2
19.
Qxb2
Ng4+
20.
Kg2
e3+
21.
Kf1
Qxh3+
22.
Ke2
Qg2+
23.
Kd3
Qxb2
0-1
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Event
Site
Lincoln
Date
1969.08.13
Round
4
White
Williams, Lee V
Black
Grefe, John Alan
Result
0-1
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.13"] [Round "4"] [White "Williams, Lee V"] [Black "Grefe, John Alan"] [Result "0-1"] 1. b3 e5 2. e3 Nf6 3. Bb2 Nc6 4. Bb5 d6 5. Bxc6+ bxc6 6. d4 e4 7. Ne2 g6 8. O-O Bh6 9. d5 c5 10. f4 O-O 11. h3 Bb7 12. c4 Bg7 13. g4 c6 14. dxc6 Bxc6 15. Ng3 Nxg4 16. Qe2 Nxe3 17. Re1 Qh4 18. Kh2 Bxb2 19. Qxb2 Ng4+ 20. Kg2 e3+ 21. Kf1 Qxh3+ 22. Ke2 Qg2+ 23. Kd3 Qxb2 0-1