1.
b3
e5
2.
Bb2
d6
3.
c4
b6
4.
Nc3
Bb7
5.
e4
Be7
6.
Nd5
Nf6
7.
Nxe7
Qxe7
8.
d3
c5
9.
Ne2
Nc6
10.
g3
Bc8
11.
Bg2
Bg4
12.
Qd2
O-O-O
13.
f3
Be6
14.
Bc3
h5
15.
h4
Nh7
16.
a4
a5
17.
O-O-O
Kc7
18.
f4
Bg4
19.
Bh3
g6
20.
Bxg4
hxg4
21.
fxe5
dxe5
22.
Rdf1
Rd6
23.
Nf4
Nf6
24.
Nd5+
Nxd5
25.
exd5
Nd4
26.
Bxd4
cxd4
27.
b4
Rd7
28.
bxa5
Rb8
29.
axb6+
Rxb6
30.
Qa5
Kb7
31.
c5
Ra6
32.
Qb5+
Ka7
33.
d6
Qe6
34.
c6
Qxd6
35.
cxd7
e4
36.
d8=Q
Rc6+
37.
Qxc6
Qxc6+
38.
Kb1
f5
39.
Qa5+
1-0
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Event
Site
Aspen
Date
1968.08.??
White
Gibson, Jack
Black
Harshbarger, Robert
Result
1-0
[Event "USA Annual op-ch69"] [Site "Aspen"] [Date "1968.08.??"] [Round "?"] [White "Gibson, Jack"] [Black "Harshbarger, Robert"] [Result "1-0"] 1. b3 e5 2. Bb2 d6 3. c4 b6 4. Nc3 Bb7 5. e4 Be7 6. Nd5 Nf6 7. Nxe7 Qxe7 8. d3 c5 9. Ne2 Nc6 10. g3 Bc8 11. Bg2 Bg4 12. Qd2 O-O-O 13. f3 Be6 14. Bc3 h5 15. h4 Nh7 16. a4 a5 17. O-O-O Kc7 18. f4 Bg4 19. Bh3 g6 20. Bxg4 hxg4 21. fxe5 dxe5 22. Rdf1 Rd6 23. Nf4 Nf6 24. Nd5+ Nxd5 25. exd5 Nd4 26. Bxd4 cxd4 27. b4 Rd7 28. bxa5 Rb8 29. axb6+ Rxb6 30. Qa5 Kb7 31. c5 Ra6 32. Qb5+ Ka7 33. d6 Qe6 34. c6 Qxd6 35. cxd7 e4 36. d8=Q Rc6+ 37. Qxc6 Qxc6+ 38. Kb1 f5 39. Qa5+ 1-0