1.
Nf3
Nf6
2.
c4
g6
3.
b4
Bg7
4.
Bb2
O-O
5.
e3
d6
6.
d3
e5
7.
Nbd2
Nh5
8.
Qc2
f5
9.
Be2
Qe8
10.
Nb3
Nc6
11.
a3
Bd7
12.
Bc3
h6
13.
Nfd2
Nd8
14.
Qb2
Qe7
15.
Nf3
Nf6
16.
Nfd2
Nf7
17.
O-O
g5
18.
Rae1
Kh7
19.
f4
Rae8
20.
Qa1
Bh8
21.
Kh1
Rg8
22.
fxe5
dxe5
23.
d4
e4
24.
d5
g4
25.
Nc5
Bc8
26.
Ndb3
Nh5
27.
Bxh8
Nxh8
28.
Ne6
Bxe6
29.
dxe6
Rg5
30.
Nd4
Rf8
31.
Rd1
Ng7
32.
c5
Ng6
33.
Kg1
Nh4
34.
g3
Nf3+
35.
Bxf3
gxf3
36.
Qa2
c6
37.
Kf2
Re8
38.
Rd2
Nxe6
39.
Nxe6
Qxe6
40.
Qxe6
Rxe6
41.
Rfd1
Rg7
42.
Rd8
b6
43.
Rc1
Rb7
44.
h3
bxc5
45.
Rxc5
Rb5
46.
Rc1
Rd5
47.
Rxc6
Rxc6
48.
Rxd5
Rc2+
49.
Kf1
Kg6
50.
Ra5
Re2
51.
g4
fxg4
52.
hxg4
Rxe3
53.
Re5
Kf6
54.
Ra5
Ke6
55.
a4
Rb3
56.
Kf2
Rb2+
57.
Ke3
Re2+
58.
Kd4
f2
0-1
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Event
Site
El Paso
Date
1973.09.26
Round
13
White
Black
Grefe, John Alan
Result
0-1
Score
[Event "USA-ch"] [Site "El Paso"] [Date "1973.09.26"] [Round "13"] [White "Benko, Pal C"] [Black "Grefe, John Alan"] [Result "0-1"] 1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 O-O 5. e3 d6 6. d3 e5 7. Nbd2 Nh5 8. Qc2 f5 9. Be2 Qe8 10. Nb3 Nc6 11. a3 Bd7 12. Bc3 h6 13. Nfd2 Nd8 14. Qb2 Qe7 15. Nf3 Nf6 16. Nfd2 Nf7 17. O-O g5 18. Rae1 Kh7 19. f4 Rae8 20. Qa1 Bh8 21. Kh1 Rg8 22. fxe5 dxe5 23. d4 e4 24. d5 g4 25. Nc5 Bc8 26. Ndb3 Nh5 27. Bxh8 Nxh8 28. Ne6 Bxe6 29. dxe6 Rg5 30. Nd4 Rf8 31. Rd1 Ng7 32. c5 Ng6 33. Kg1 Nh4 34. g3 Nf3+ 35. Bxf3 gxf3 36. Qa2 c6 37. Kf2 Re8 38. Rd2 Nxe6 39. Nxe6 Qxe6 40. Qxe6 Rxe6 41. Rfd1 Rg7 42. Rd8 b6 43. Rc1 Rb7 44. h3 bxc5 45. Rxc5 Rb5 46. Rc1 Rd5 47. Rxc6 Rxc6 48. Rxd5 Rc2+ 49. Kf1 Kg6 50. Ra5 Re2 51. g4 fxg4 52. hxg4 Rxe3 53. Re5 Kf6 54. Ra5 Ke6 55. a4 Rb3 56. Kf2 Rb2+ 57. Ke3 Re2+ 58. Kd4 f2 0-1