1.
d4
d5
2.
c4
e6
3.
Nc3
c5
4.
cxd5
exd5
5.
Nf3
Nc6
6.
Bg5
Be7
7.
Bxe7
Ngxe7
8.
dxc5
d4
9.
Ne4
O-O
10.
g3
Bf5
11.
Nd6
Qa5+
12.
Qd2
Qxc5
13.
Nxf5
Qxf5
14.
Bg2
Rad8
15.
O-O
Rfe8
16.
Ne1
Nd5
17.
Nd3
h5
18.
h4
Ne5
19.
Nxe5
Qxe5
20.
Rad1
Nf6
21.
Bxb7
Qxe2
22.
Rfe1
Qb5
23.
Bf3
Rxe1+
24.
Rxe1
d3
25.
Rd1
Qc4
26.
a3
Qd4
27.
Qc3
Qd6
28.
Rd2
Ng4
29.
Bxg4
hxg4
30.
Qc4
Qe5
31.
Rxd3
Rxd3
32.
Qxd3
Qxb2
33.
Qd8+
Kh7
34.
Qe7
a5
35.
Qxf7
Qxa3
36.
Qh5+
Kg8
37.
Qxg4
Qb4
38.
Qe6+
Kf8
39.
g4
a4
40.
h5
Qf4
41.
Kf1
a3
42.
Qc8+
Kf7
43.
Qb7+
Kf6
44.
Qa6+
Kg5
45.
Qxa3
Qxg4
46.
Qc5+
Qf5
47.
Qe7+
Kh6
1/2-1/2
Opening Explorer
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Event
Site
Chicago
Date
1989.??.??
Round
6
White
Colias, Billy
Black
Cunningham, Robin J
Result
1/2-1/2
WhiteElo
2230
[Event "US Open-90"] [Site "Chicago"] [Date "1989.??.??"] [Round "6"] [White "Colias, Billy"] [Black "Cunningham, Robin J"] [Result "1/2-1/2"] [WhiteElo "2230"] 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8. dxc5 d4 9. Ne4 O-O 10. g3 Bf5 11. Nd6 Qa5+ 12. Qd2 Qxc5 13. Nxf5 Qxf5 14. Bg2 Rad8 15. O-O Rfe8 16. Ne1 Nd5 17. Nd3 h5 18. h4 Ne5 19. Nxe5 Qxe5 20. Rad1 Nf6 21. Bxb7 Qxe2 22. Rfe1 Qb5 23. Bf3 Rxe1+ 24. Rxe1 d3 25. Rd1 Qc4 26. a3 Qd4 27. Qc3 Qd6 28. Rd2 Ng4 29. Bxg4 hxg4 30. Qc4 Qe5 31. Rxd3 Rxd3 32. Qxd3 Qxb2 33. Qd8+ Kh7 34. Qe7 a5 35. Qxf7 Qxa3 36. Qh5+ Kg8 37. Qxg4 Qb4 38. Qe6+ Kf8 39. g4 a4 40. h5 Qf4 41. Kf1 a3 42. Qc8+ Kf7 43. Qb7+ Kf6 44. Qa6+ Kg5 45. Qxa3 Qxg4 46. Qc5+ Qf5 47. Qe7+ Kh6 1/2-1/2