1.
d4
Nf6
2.
c4
g6
3.
Nc3
d5
4.
cxd5
Nxd5
5.
e4
Nxc3
6.
bxc3
Bg7
7.
Bc4
c5
8.
Ne2
Nc6
9.
Be3
cxd4
10.
cxd4
b5
11.
Bd5
Bd7
12.
Bxc6
Bxc6
13.
d5
Bd7
14.
Nd4
Rc8
15.
O-O
O-O
16.
Qd2
Qc7
17.
Rab1
a6
18.
Rfc1
Qe5
19.
f3
f5
20.
exf5
Qxd5
21.
fxg6
hxg6
22.
Rd1
e5
23.
Nb3
Qxd2
24.
Rxd2
Bf5
25.
Re1
Rfd8
26.
Red1
Rxd2
27.
Rxd2
Rc2
28.
g4
Rxd2
29.
Bxd2
Bb1
30.
a3
e4
31.
Kg2
Ba2
32.
Nc5
exf3+
33.
Kxf3
Bb2
34.
Nxa6
Bxa3
35.
Ke4
Be6
36.
h3
Bc8
37.
Nb4
1/2-1/2
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Event
Site
Lincoln
Date
1969.08.20
Round
10
White
Pruner, Earl W
Black
Lifson, Ronald A
Result
1/2-1/2
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.20"] [Round "10"] [White "Pruner, Earl W"] [Black "Lifson, Ronald A"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 cxd4 10. cxd4 b5 11. Bd5 Bd7 12. Bxc6 Bxc6 13. d5 Bd7 14. Nd4 Rc8 15. O-O O-O 16. Qd2 Qc7 17. Rab1 a6 18. Rfc1 Qe5 19. f3 f5 20. exf5 Qxd5 21. fxg6 hxg6 22. Rd1 e5 23. Nb3 Qxd2 24. Rxd2 Bf5 25. Re1 Rfd8 26. Red1 Rxd2 27. Rxd2 Rc2 28. g4 Rxd2 29. Bxd2 Bb1 30. a3 e4 31. Kg2 Ba2 32. Nc5 exf3+ 33. Kxf3 Bb2 34. Nxa6 Bxa3 35. Ke4 Be6 36. h3 Bc8 37. Nb4 1/2-1/2