1.
b4
Nf6
2.
Bb2
d6
3.
c4
e5
4.
e3
Be7
5.
Nf3
O-O
6.
Be2
e4
7.
Nd4
Na6
8.
Nc2
c5
9.
b5
Nc7
10.
d4
exd3
11.
Qxd3
d5
12.
Nc3
Be6
13.
cxd5
Ncxd5
14.
Rd1
Qa5
15.
O-O
Rad8
16.
Nxd5
Nxd5
17.
Qe4
Nc3
18.
Bxc3
Qxc3
19.
Qa4
Rxd1
20.
Rxd1
Qb2
21.
Bc4
Qc3
22.
Bf1
Bf6
23.
Ne1
g6
24.
Qxa7
Bg4
25.
Nf3
Qc2
26.
Rd2
Qc1
27.
Qa4
Bxf3
28.
Rc2
Bd1
29.
Rxc1
Bxa4
30.
Rxc5
Rd8
31.
g3
Kg7
32.
Rc7
Rd1
33.
Kg2
Rxf1
34.
Kxf1
Bxb5+
35.
Ke1
1-0
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Event
Site
Lincoln
Date
1969.08.19
Round
9
White
Chalker, Robert P
Black
Jackson, Edward Schuyler
Result
1-0
Score
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.19"] [Round "9"] [White "Chalker, Robert P"] [Black "Jackson, Edward Schuyler"] [Result "1-0"] 1. b4 Nf6 2. Bb2 d6 3. c4 e5 4. e3 Be7 5. Nf3 O-O 6. Be2 e4 7. Nd4 Na6 8. Nc2 c5 9. b5 Nc7 10. d4 exd3 11. Qxd3 d5 12. Nc3 Be6 13. cxd5 Ncxd5 14. Rd1 Qa5 15. O-O Rad8 16. Nxd5 Nxd5 17. Qe4 Nc3 18. Bxc3 Qxc3 19. Qa4 Rxd1 20. Rxd1 Qb2 21. Bc4 Qc3 22. Bf1 Bf6 23. Ne1 g6 24. Qxa7 Bg4 25. Nf3 Qc2 26. Rd2 Qc1 27. Qa4 Bxf3 28. Rc2 Bd1 29. Rxc1 Bxa4 30. Rxc5 Rd8 31. g3 Kg7 32. Rc7 Rd1 33. Kg2 Rxf1 34. Kxf1 Bxb5+ 35. Ke1 1-0