1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
a6
6.
Bg5
Nbd7
7.
Bc4
Qa5
8.
Qd2
e6
9.
O-O
Be7
10.
Bb3
h6
11.
Bxf6
Nxf6
12.
f4
O-O
13.
Kh1
Bd7
14.
Rae1
Rad8
15.
e5
dxe5
16.
fxe5
Nh7
17.
Qf4
Bg5
18.
Qf2
Kh8
19.
h4
Be7
20.
Qg3
Bc8
21.
Nce2
Rde8
22.
c3
Qd8
23.
Rf4
g5
24.
hxg5
Bxg5
25.
Bc2
Bxf4
26.
Nxf4
Rg8
27.
Qh3
f5
28.
Qxh6
Qg5
29.
Qh2
Qg3
30.
Qxg3
Rxg3
31.
Bb3
Ng5
32.
Kh2
Rg4
33.
g3
Ne4
34.
Nfxe6
Re7
35.
Re3
Nd2
36.
Bd1
Nf1+
0-1
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Event
Site
Lincoln
Date
1969.08.17
Round
7
White
Grefe, John Alan
Black
Popovych, Orest
Result
0-1
Score
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.17"] [Round "7"] [White "Grefe, John Alan"] [Black "Popovych, Orest"] [Result "0-1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. O-O Be7 10. Bb3 h6 11. Bxf6 Nxf6 12. f4 O-O 13. Kh1 Bd7 14. Rae1 Rad8 15. e5 dxe5 16. fxe5 Nh7 17. Qf4 Bg5 18. Qf2 Kh8 19. h4 Be7 20. Qg3 Bc8 21. Nce2 Rde8 22. c3 Qd8 23. Rf4 g5 24. hxg5 Bxg5 25. Bc2 Bxf4 26. Nxf4 Rg8 27. Qh3 f5 28. Qxh6 Qg5 29. Qh2 Qg3 30. Qxg3 Rxg3 31. Bb3 Ng5 32. Kh2 Rg4 33. g3 Ne4 34. Nfxe6 Re7 35. Re3 Nd2 36. Bd1 Nf1+ 0-1