1.
c4
e5
2.
Nc3
d6
3.
g3
Nf6
4.
Bg2
Be7
5.
Nf3
O-O
6.
O-O
c6
7.
c5
Re8
8.
d3
h6
9.
cxd6
Bxd6
10.
Nd2
Nbd7
11.
Nc4
Bc5
12.
Bd2
Nb6
13.
Na5
Nbd5
14.
Nb3
Bb6
15.
Rc1
Bf5
16.
Ne4
Qe7
17.
a4
a5
18.
Rc4
Red8
19.
Qe1
Be6
20.
Nec5
Bxc5
21.
Nxc5
b6
22.
Nxe6
Qxe6
23.
f4
exf4
24.
gxf4
Ne3
25.
f5
Nxg2
26.
fxe6
Nxe1
27.
exf7+
Kxf7
28.
Rxc6
Nxd3
29.
exd3
Rab8
30.
Bxh6
Rxd3
31.
Rc7+
Kg6
32.
Bf4
Re8
33.
Rc6
Rb3
34.
Rf2
b5
35.
axb5
Rxb5
36.
Ra6
Re1+
37.
Kg2
Rb1
38.
Bd2
R1xb2
39.
Rxa5
Rxa5
40.
Bxa5
Rxf2+
41.
Kxf2
Ng4+
42.
Kg3
Nxh2
43.
Kxh2
Kf5
1/2-1/2
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Event
Site
Chicago
Date
1973.??.??
Round
7
White
Black
Diesen, Mark C
Result
1/2-1/2
[Event "US Open-74"] [Site "Chicago"] [Date "1973.??.??"] [Round "7"] [White "Lombardy, William James"] [Black "Diesen, Mark C"] [Result "1/2-1/2"] 1. c4 e5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. c5 Re8 8. d3 h6 9. cxd6 Bxd6 10. Nd2 Nbd7 11. Nc4 Bc5 12. Bd2 Nb6 13. Na5 Nbd5 14. Nb3 Bb6 15. Rc1 Bf5 16. Ne4 Qe7 17. a4 a5 18. Rc4 Red8 19. Qe1 Be6 20. Nec5 Bxc5 21. Nxc5 b6 22. Nxe6 Qxe6 23. f4 exf4 24. gxf4 Ne3 25. f5 Nxg2 26. fxe6 Nxe1 27. exf7+ Kxf7 28. Rxc6 Nxd3 29. exd3 Rab8 30. Bxh6 Rxd3 31. Rc7+ Kg6 32. Bf4 Re8 33. Rc6 Rb3 34. Rf2 b5 35. axb5 Rxb5 36. Ra6 Re1+ 37. Kg2 Rb1 38. Bd2 R1xb2 39. Rxa5 Rxa5 40. Bxa5 Rxf2+ 41. Kxf2 Ng4+ 42. Kg3 Nxh2 43. Kxh2 Kf5 1/2-1/2