1.
d4
d5
2.
c4
e6
3.
Nc3
Nf6
4.
Bg5
Nbd7
5.
cxd5
exd5
6.
e3
c6
7.
Bd3
Be7
8.
Qc2
O-O
9.
Nf3
Re8
10.
O-O
Ne4
11.
Bf4
Nef6
12.
Rab1
Nf8
13.
b4
Bg4
14.
Nd2
Bh5
15.
Na4
Bg6
16.
b5
cxb5
17.
Rxb5
Qd7
18.
Rfb1
b6
19.
Bxg6
Nxg6
20.
Bg3
Rac8
21.
Nc3
Rc6
22.
R5b3
Rec8
23.
Rc1
b5
24.
Qd1
b4
25.
Ne2
Rxc1
26.
Nxc1
Qc6
27.
Rb1
Qc2
28.
Ncb3
Qxd1+
29.
Rxd1
Rc2
30.
Rc1
Rxa2
31.
Rc8+
Nf8
32.
Ra8
Nd7
33.
h3
Nb6
34.
Re8
a5
35.
Rxe7
a4
36.
Re8
f6
37.
Bd6
Kf7
38.
Rxf8+
Ke6
39.
Bxb4
axb3
40.
Nxb3
Rb2
41.
Rb8
Nd7
42.
Nc5+
Nxc5
43.
dxc5
Rb1+
44.
Kh2
Rb2
45.
c6
Rc2
46.
Rb6
f5
47.
c7+
Kd7
48.
Bd6
Rxf2
49.
Rb8
Rc2
50.
c8=Q+
Rxc8
51.
Rxc8
Kxc8
52.
Kg3
Kd7
53.
Be5
g5
54.
Bf6
h6
55.
h4
f4+
56.
exf4
gxf4+
57.
Kxf4
1-0
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Event
Site
Chicago
Date
1989.??.??
Round
4
White
Chen, Matthew
Black
Weideman, Thomas
Result
1-0
Score
[Event "US Open-90"] [Site "Chicago"] [Date "1989.??.??"] [Round "4"] [White "Chen, Matthew"] [Black "Weideman, Thomas"] [Result "1-0"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 c6 7. Bd3 Be7 8. Qc2 O-O 9. Nf3 Re8 10. O-O Ne4 11. Bf4 Nef6 12. Rab1 Nf8 13. b4 Bg4 14. Nd2 Bh5 15. Na4 Bg6 16. b5 cxb5 17. Rxb5 Qd7 18. Rfb1 b6 19. Bxg6 Nxg6 20. Bg3 Rac8 21. Nc3 Rc6 22. R5b3 Rec8 23. Rc1 b5 24. Qd1 b4 25. Ne2 Rxc1 26. Nxc1 Qc6 27. Rb1 Qc2 28. Ncb3 Qxd1+ 29. Rxd1 Rc2 30. Rc1 Rxa2 31. Rc8+ Nf8 32. Ra8 Nd7 33. h3 Nb6 34. Re8 a5 35. Rxe7 a4 36. Re8 f6 37. Bd6 Kf7 38. Rxf8+ Ke6 39. Bxb4 axb3 40. Nxb3 Rb2 41. Rb8 Nd7 42. Nc5+ Nxc5 43. dxc5 Rb1+ 44. Kh2 Rb2 45. c6 Rc2 46. Rb6 f5 47. c7+ Kd7 48. Bd6 Rxf2 49. Rb8 Rc2 50. c8=Q+ Rxc8 51. Rxc8 Kxc8 52. Kg3 Kd7 53. Be5 g5 54. Bf6 h6 55. h4 f4+ 56. exf4 gxf4+ 57. Kxf4 1-0