1.
f4
Nf6
2.
Nf3
g6
3.
g3
Bg7
4.
Bg2
c5
5.
O-O
O-O
6.
d3
d5
7.
c3
Nc6
8.
Na3
b6
9.
Qa4
Bb7
10.
e4
Qd7
11.
Bd2
Rfd8
12.
Rae1
e6
13.
Qb5
Ne8
14.
e5
Nc7
15.
Qb3
b5
16.
Qd1
a5
17.
Nc2
d4
18.
cxd4
Nxd4
19.
Ncxd4
cxd4
20.
Qe2
h6
21.
h4
b4
22.
Rc1
Bd5
23.
h5
Kh7
24.
Nh4
Bxg2
25.
Qxg2
Nd5
26.
Qe4
Ne7
27.
hxg6+
fxg6
28.
Rc4
Nf5
29.
Nxf5
gxf5
30.
Qc6
Qf7
31.
Qf3
Rac8
32.
Rfc1
Rxc4
33.
Rxc4
Bf8
34.
Be1
Rd5
35.
Bf2
Bc5
36.
Qd1
Qe8
37.
Kh2
h5
38.
Qc1
Qb5
39.
a3
b3
40.
a4
Qb6
41.
Be1
Kg6
42.
Bd2
Kf7
43.
Kg1
Kg6
44.
Kf2
Kf7
45.
Qh1
Kg6
46.
Qh4
Kf7
47.
Qxh5+
1-0
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Event
Site
Atlantic City
Date
1972.??.??
Round
4
White
Black
Piasetski, Leon David
Result
1-0
Score
[Event "US Open-73"] [Site "Atlantic City"] [Date "1972.??.??"] [Round "4"] [White "Larsen, Bent"] [Black "Piasetski, Leon David"] [Result "1-0"] 1. f4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. O-O O-O 6. d3 d5 7. c3 Nc6 8. Na3 b6 9. Qa4 Bb7 10. e4 Qd7 11. Bd2 Rfd8 12. Rae1 e6 13. Qb5 Ne8 14. e5 Nc7 15. Qb3 b5 16. Qd1 a5 17. Nc2 d4 18. cxd4 Nxd4 19. Ncxd4 cxd4 20. Qe2 h6 21. h4 b4 22. Rc1 Bd5 23. h5 Kh7 24. Nh4 Bxg2 25. Qxg2 Nd5 26. Qe4 Ne7 27. hxg6+ fxg6 28. Rc4 Nf5 29. Nxf5 gxf5 30. Qc6 Qf7 31. Qf3 Rac8 32. Rfc1 Rxc4 33. Rxc4 Bf8 34. Be1 Rd5 35. Bf2 Bc5 36. Qd1 Qe8 37. Kh2 h5 38. Qc1 Qb5 39. a3 b3 40. a4 Qb6 41. Be1 Kg6 42. Bd2 Kf7 43. Kg1 Kg6 44. Kf2 Kf7 45. Qh1 Kg6 46. Qh4 Kf7 47. Qxh5+ 1-0