1.
e4
Nf6
2.
e5
Nd5
3.
d4
d6
4.
Nf3
Bg4
5.
Be2
e6
6.
h3
Bh5
7.
O-O
Be7
8.
c4
Nb6
9.
exd6
cxd6
10.
Nc3
O-O
11.
a4
d5
12.
c5
N6d7
13.
b4
b6
14.
Bf4
a5
15.
cxb6
Bxb4
16.
Bc7
Qc8
17.
Nb5
Bxf3
18.
Bxf3
Qb7
19.
Nd6
Bxd6
20.
Bxd6
Rc8
21.
Be2
Qxb6
22.
Ba3
Nc6
23.
Bd3
Qxd4
24.
Ra2
Nde5
25.
Rd2
Nxd3
26.
Rxd3
Qc4
27.
Bb2
Rab8
28.
Ba1
Ne7
29.
Rd4
Qc2
30.
Rg4
Nf5
31.
Qe1
Kf8
32.
Qxa5
Rb1
33.
Bxg7+
Nxg7
34.
Rxb1
Qxb1+
35.
Kh2
Qb8+
36.
g3
Qb2
37.
Qe1
Rc1
38.
Qe3
Rc2
39.
Kg2
Nf5
40.
Qa7
Rc8
41.
a5
d4
42.
a6
Ne3+
0-1
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Event
Site
Atlantic City
Date
1972.??.??
Round
12
White
Mayer, Harry
Black
Diesen, Mark C
Result
0-1
Score
[Event "US Open-73"] [Site "Atlantic City"] [Date "1972.??.??"] [Round "12"] [White "Mayer, Harry"] [Black "Diesen, Mark C"] [Result "0-1"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. O-O Be7 8. c4 Nb6 9. exd6 cxd6 10. Nc3 O-O 11. a4 d5 12. c5 N6d7 13. b4 b6 14. Bf4 a5 15. cxb6 Bxb4 16. Bc7 Qc8 17. Nb5 Bxf3 18. Bxf3 Qb7 19. Nd6 Bxd6 20. Bxd6 Rc8 21. Be2 Qxb6 22. Ba3 Nc6 23. Bd3 Qxd4 24. Ra2 Nde5 25. Rd2 Nxd3 26. Rxd3 Qc4 27. Bb2 Rab8 28. Ba1 Ne7 29. Rd4 Qc2 30. Rg4 Nf5 31. Qe1 Kf8 32. Qxa5 Rb1 33. Bxg7+ Nxg7 34. Rxb1 Qxb1+ 35. Kh2 Qb8+ 36. g3 Qb2 37. Qe1 Rc1 38. Qe3 Rc2 39. Kg2 Nf5 40. Qa7 Rc8 41. a5 d4 42. a6 Ne3+ 0-1