1.
c4
Nf6
2.
Nc3
e6
3.
Nf3
d5
4.
e3
Be7
5.
b3
O-O
6.
Bb2
c5
7.
cxd5
exd5
8.
d4
Nc6
9.
Be2
cxd4
10.
Nxd4
Ne4
11.
Nxc6
bxc6
12.
Nxe4
dxe4
13.
O-O
Be6
14.
Qc2
Bd5
15.
Rfd1
Bd6
16.
Qc3
Qg5
17.
Bc4
Rad8
18.
g3
Bb8
19.
Rac1
Rfe8
20.
Bf1
h5
21.
Bg2
h4
22.
Rd2
Rd6
23.
Rcd1
hxg3
24.
hxg3
Rh6
25.
b4
Be5
26.
Qc2
Bxg3
27.
fxg3
Qxe3+
28.
Rf2
Qxg3
29.
Re2
e3
30.
Rxd5
cxd5
31.
Qd3
Re4
32.
Rc2
Qh2+
33.
Kf1
Rf4+
34.
Ke1
Qg1+
35.
Bf1
Rxf1+
36.
Qxf1
Qg3+
37.
Kd1
e2+
38.
Rxe2
Qd3+
39.
Ke1
Qb1+
40.
Kf2
Rh2+
41.
Kg3
Qxf1
42.
Rxh2
Qe1+
43.
Rf2
Qxb4
44.
Kg2
Qg4+
45.
Kf1
d4
46.
Ke1
Qg1+
47.
Rf1
Qe3+
48.
Kd1
Qd3+
49.
Ke1
Qb1+
50.
Ke2
d3+
0-1
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Event
Site
Columbus
Date
1977.08.??
White
Benjamin, Joel
Black
Acosta, Mariano
Result
0-1
Score
[Event "US Open-78"] [Site "Columbus"] [Date "1977.08.??"] [Round "?"] [White "Benjamin, Joel"] [Black "Acosta, Mariano"] [Result "0-1"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 c5 7. cxd5 exd5 8. d4 Nc6 9. Be2 cxd4 10. Nxd4 Ne4 11. Nxc6 bxc6 12. Nxe4 dxe4 13. O-O Be6 14. Qc2 Bd5 15. Rfd1 Bd6 16. Qc3 Qg5 17. Bc4 Rad8 18. g3 Bb8 19. Rac1 Rfe8 20. Bf1 h5 21. Bg2 h4 22. Rd2 Rd6 23. Rcd1 hxg3 24. hxg3 Rh6 25. b4 Be5 26. Qc2 Bxg3 27. fxg3 Qxe3+ 28. Rf2 Qxg3 29. Re2 e3 30. Rxd5 cxd5 31. Qd3 Re4 32. Rc2 Qh2+ 33. Kf1 Rf4+ 34. Ke1 Qg1+ 35. Bf1 Rxf1+ 36. Qxf1 Qg3+ 37. Kd1 e2+ 38. Rxe2 Qd3+ 39. Ke1 Qb1+ 40. Kf2 Rh2+ 41. Kg3 Qxf1 42. Rxh2 Qe1+ 43. Rf2 Qxb4 44. Kg2 Qg4+ 45. Kf1 d4 46. Ke1 Qg1+ 47. Rf1 Qe3+ 48. Kd1 Qd3+ 49. Ke1 Qb1+ 50. Ke2 d3+ 0-1