1.
e4
c5
2.
Nf3
Nc6
3.
d4
cxd4
4.
Nxd4
e5
5.
Nb5
d6
6.
N1c3
a6
7.
Na3
b5
8.
Nd5
Nge7
9.
Bg5
h6
10.
Bxe7
Bxe7
11.
c3
O-O
12.
Nc2
Bg5
13.
a4
Rb8
14.
axb5
axb5
15.
Bd3
Be6
16.
Qe2
Bxd5
17.
exd5
Ne7
18.
Nb4
Qb6
19.
O-O
f5
20.
Ra6
Qc5
21.
Ra5
Kh8
22.
Na6
Qxd5
23.
Nxb8
Rxb8
24.
Rxb5
Rxb5
25.
Bxb5
e4
26.
f3
Qc5+
27.
Kh1
d5
28.
c4
Ng6
29.
cxd5
Qxd5
30.
fxe4
fxe4
31.
Qc4
Qe5
32.
Qc8+
Kh7
33.
Bc4
Ne7
34.
Qe6
Qxe6
35.
Bxe6
e3
36.
Re1
Nc6
37.
Kg1
Bf6
38.
b3
Bc3
39.
Rxe3
Bd4
40.
Kf2
Kg6
41.
Ke2
Bxe3
42.
Kxe3
Kf6
43.
Bd5
Nb4
44.
Kd4
g5
45.
Be4
Ke6
46.
g4
Kd6
47.
Kc4
Na6
48.
b4
Nc7
49.
Bf3
Ne8
50.
b5
Nf6
51.
h3
Nd7
52.
Kd4
Nb6
53.
Ke4
Ke6
54.
Bd1
Nc8
55.
Bb3+
Ke7
56.
Ke5
Nb6
57.
Kf5
Nc8
58.
Kg6
Nb6
59.
Kxh6
Kf6
60.
h4
gxh4
61.
g5+
Ke5
62.
Bd1
Kd6
63.
Bf3
Nc8
64.
Kh5
h3
65.
g6
Kc5
66.
g7
Ne7
67.
Kg4
h2
68.
Kh3
Kxb5
69.
Kxh2
Kc5
70.
Kh3
Kd6
71.
Kg4
Ke6
72.
Bd5+
Kxd5
1/2-1/2
Opening Explorer
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Event
Site
Chicago
Date
1990.??.??
Round
5
White
Weiss, Mitchel J
Black
Mazuchowski, Tom
Result
1/2-1/2
WhiteElo
2265
[Event "USA Masters"] [Site "Chicago"] [Date "1990.??.??"] [Round "5"] [White "Weiss, Mitchel J"] [Black "Mazuchowski, Tom"] [Result "1/2-1/2"] [WhiteElo "2265"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nge7 9. Bg5 h6 10. Bxe7 Bxe7 11. c3 O-O 12. Nc2 Bg5 13. a4 Rb8 14. axb5 axb5 15. Bd3 Be6 16. Qe2 Bxd5 17. exd5 Ne7 18. Nb4 Qb6 19. O-O f5 20. Ra6 Qc5 21. Ra5 Kh8 22. Na6 Qxd5 23. Nxb8 Rxb8 24. Rxb5 Rxb5 25. Bxb5 e4 26. f3 Qc5+ 27. Kh1 d5 28. c4 Ng6 29. cxd5 Qxd5 30. fxe4 fxe4 31. Qc4 Qe5 32. Qc8+ Kh7 33. Bc4 Ne7 34. Qe6 Qxe6 35. Bxe6 e3 36. Re1 Nc6 37. Kg1 Bf6 38. b3 Bc3 39. Rxe3 Bd4 40. Kf2 Kg6 41. Ke2 Bxe3 42. Kxe3 Kf6 43. Bd5 Nb4 44. Kd4 g5 45. Be4 Ke6 46. g4 Kd6 47. Kc4 Na6 48. b4 Nc7 49. Bf3 Ne8 50. b5 Nf6 51. h3 Nd7 52. Kd4 Nb6 53. Ke4 Ke6 54. Bd1 Nc8 55. Bb3+ Ke7 56. Ke5 Nb6 57. Kf5 Nc8 58. Kg6 Nb6 59. Kxh6 Kf6 60. h4 gxh4 61. g5+ Ke5 62. Bd1 Kd6 63. Bf3 Nc8 64. Kh5 h3 65. g6 Kc5 66. g7 Ne7 67. Kg4 h2 68. Kh3 Kxb5 69. Kxh2 Kc5 70. Kh3 Kd6 71. Kg4 Ke6 72. Bd5+ Kxd5 1/2-1/2