1.
d4
Nf6
2.
Nf3
c5
3.
c3
e6
4.
e3
b6
5.
Nbd2
Be7
6.
Bd3
Ba6
7.
Bxa6
Nxa6
8.
O-O
O-O
9.
Qe2
Qc8
10.
e4
d5
11.
exd5
Nxd5
12.
Ne4
cxd4
13.
Nxd4
e5
14.
c4
exd4
15.
cxd5
Rd8
16.
Ng3
Bf8
17.
Rd1
Rxd5
18.
Be3
Qd7
19.
Qf3
Rd8
20.
Bd2
Nc5
21.
Re1
Qb5
22.
b3
Qd3
23.
Qxd3
Nxd3
24.
Red1
Rc8
25.
Ne2
Rc2
26.
Bf4
Nxf2
27.
Kxf2
d3
28.
Rd2
Bc5+
29.
Kf3
Rxd2
30.
Bxd2
dxe2
31.
Kxe2
Rf5
32.
Be1
Re5+
33.
Kf3
Re3+
34.
Kf4
Re2
35.
Kf3
Rb2
36.
Rd1
Kf8
37.
Rd8+
Ke7
38.
Rh8
h6
39.
Bc3
Rf2+
40.
Kg3
f6
41.
b4
Be3
42.
Rc8
Rxa2
43.
Rc7+
Kf8
44.
Kf3
Bg1
45.
h4
Rf2+
46.
Kg3
Rc2
47.
b5
Ke8
48.
Rc6
Bc5
49.
Bd4
Rc4
50.
Bg1
h5
51.
Kf3
Kd7
52.
Bh2
Rxh4
53.
Bg3
Rg4
54.
Rc7+
Ke6
55.
Rxa7
g6
0-1
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Event
Site
El Paso
Date
1973.09.15
Round
6
White
Martz, William E
Black
Grefe, John Alan
Result
0-1
Score
[Event "USA-ch"] [Site "El Paso"] [Date "1973.09.15"] [Round "6"] [White "Martz, William E"] [Black "Grefe, John Alan"] [Result "0-1"] 1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. e3 b6 5. Nbd2 Be7 6. Bd3 Ba6 7. Bxa6 Nxa6 8. O-O O-O 9. Qe2 Qc8 10. e4 d5 11. exd5 Nxd5 12. Ne4 cxd4 13. Nxd4 e5 14. c4 exd4 15. cxd5 Rd8 16. Ng3 Bf8 17. Rd1 Rxd5 18. Be3 Qd7 19. Qf3 Rd8 20. Bd2 Nc5 21. Re1 Qb5 22. b3 Qd3 23. Qxd3 Nxd3 24. Red1 Rc8 25. Ne2 Rc2 26. Bf4 Nxf2 27. Kxf2 d3 28. Rd2 Bc5+ 29. Kf3 Rxd2 30. Bxd2 dxe2 31. Kxe2 Rf5 32. Be1 Re5+ 33. Kf3 Re3+ 34. Kf4 Re2 35. Kf3 Rb2 36. Rd1 Kf8 37. Rd8+ Ke7 38. Rh8 h6 39. Bc3 Rf2+ 40. Kg3 f6 41. b4 Be3 42. Rc8 Rxa2 43. Rc7+ Kf8 44. Kf3 Bg1 45. h4 Rf2+ 46. Kg3 Rc2 47. b5 Ke8 48. Rc6 Bc5 49. Bd4 Rc4 50. Bg1 h5 51. Kf3 Kd7 52. Bh2 Rxh4 53. Bg3 Rg4 54. Rc7+ Ke6 55. Rxa7 g6 0-1