1.
e4
c5
2.
Nf3
e6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
d6
6.
g4
Nc6
7.
g5
Nd7
8.
h4
Nb6
9.
Be3
a6
10.
Qd2
Ne5
11.
O-O-O
Nbc4
12.
Bxc4
Nxc4
13.
Qd3
b5
14.
Bf4
Bb7
15.
Rh2
Rc8
16.
Kb1
b4
17.
Na4
Qa5
18.
b3
Na3+
19.
Ka1
Be7
20.
Bc1
Nb5
21.
Bb2
Nc3
22.
Bxc3
bxc3
23.
Rh3
d5
24.
e5
Bc6
25.
Nxc3
Bd7
26.
Rg1
Bb4
27.
Nce2
Bb5
28.
Nxb5
axb5
29.
c3
Ra8
30.
Qd2
Be7
31.
Nd4
b4
32.
cxb4
Bxb4
33.
Qb2
O-O
34.
Nc2
Bd2
35.
b4
Qc7
36.
Rf3
Rfc8
37.
Kb1
Qc4
38.
Rd1
Bc3
39.
Qb3
Qxb3+
40.
axb3
Rab8
41.
Rdd3
Bxb4
42.
Nxb4
Rxb4
43.
Kb2
g6
44.
Rc3
Rcb8
45.
Rce3
h5
46.
Rd3
Kf8
47.
Kc3
Rxb3+
0-1
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Event
Site
Chicago
Date
1990.??.??
Round
4
White
Naff, William
Black
Horvitz, Richard
Result
0-1
Score
[Event "USA Masters"] [Site "Chicago"] [Date "1990.??.??"] [Round "4"] [White "Naff, William"] [Black "Horvitz, Richard"] [Result "0-1"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. h4 Nb6 9. Be3 a6 10. Qd2 Ne5 11. O-O-O Nbc4 12. Bxc4 Nxc4 13. Qd3 b5 14. Bf4 Bb7 15. Rh2 Rc8 16. Kb1 b4 17. Na4 Qa5 18. b3 Na3+ 19. Ka1 Be7 20. Bc1 Nb5 21. Bb2 Nc3 22. Bxc3 bxc3 23. Rh3 d5 24. e5 Bc6 25. Nxc3 Bd7 26. Rg1 Bb4 27. Nce2 Bb5 28. Nxb5 axb5 29. c3 Ra8 30. Qd2 Be7 31. Nd4 b4 32. cxb4 Bxb4 33. Qb2 O-O 34. Nc2 Bd2 35. b4 Qc7 36. Rf3 Rfc8 37. Kb1 Qc4 38. Rd1 Bc3 39. Qb3 Qxb3+ 40. axb3 Rab8 41. Rdd3 Bxb4 42. Nxb4 Rxb4 43. Kb2 g6 44. Rc3 Rcb8 45. Rce3 h5 46. Rd3 Kf8 47. Kc3 Rxb3+ 0-1