1.
c4
Nf6
2.
Nc3
c5
3.
Nf3
g6
4.
d4
cxd4
5.
Nxd4
Bg7
6.
e4
O-O
7.
Be2
Nc6
8.
Be3
d6
9.
O-O
Bd7
10.
Nc2
Rc8
11.
f4
Ne8
12.
Qd2
f5
13.
exf5
Bxf5
14.
Nd4
Qa5
15.
Bf3
Nf6
16.
Nxf5
Qxf5
17.
Qe2
a6
18.
Rad1
h5
19.
Nd5
Nxd5
20.
Rxd5
Qe6
21.
Rd2
Kh7
22.
Bd5
Qf5
23.
Bb6
Qg4
24.
Qxg4
hxg4
25.
Be6
Rce8
26.
Bd7
Ra8
27.
Bxg4
Bh6
28.
g3
Ne5
29.
Be2
Rac8
30.
b3
Nd7
31.
Bd4
e5
32.
Be3
Rf6
33.
Bg4
exf4
34.
Bxf4
Rd8
35.
Bxh6
Kxh6
36.
Bxd7
Rxf1+
37.
Kxf1
Rxd7
38.
Kg2
Kg5
39.
Rd5+
Kf6
40.
c5
Ke6
41.
Rxd6+
1-0
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Event
Site
Las Vegas
Date
1973.03.15
Round
5
White
Martz, William E
Black
Montchalin, Michael
Result
1-0
Score
[Event "Las Vegas National op"] [Site "Las Vegas"] [Date "1973.03.15"] [Round "5"] [White "Martz, William E"] [Black "Montchalin, Michael"] [Result "1-0"] 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e4 O-O 7. Be2 Nc6 8. Be3 d6 9. O-O Bd7 10. Nc2 Rc8 11. f4 Ne8 12. Qd2 f5 13. exf5 Bxf5 14. Nd4 Qa5 15. Bf3 Nf6 16. Nxf5 Qxf5 17. Qe2 a6 18. Rad1 h5 19. Nd5 Nxd5 20. Rxd5 Qe6 21. Rd2 Kh7 22. Bd5 Qf5 23. Bb6 Qg4 24. Qxg4 hxg4 25. Be6 Rce8 26. Bd7 Ra8 27. Bxg4 Bh6 28. g3 Ne5 29. Be2 Rac8 30. b3 Nd7 31. Bd4 e5 32. Be3 Rf6 33. Bg4 exf4 34. Bxf4 Rd8 35. Bxh6 Kxh6 36. Bxd7 Rxf1+ 37. Kxf1 Rxd7 38. Kg2 Kg5 39. Rd5+ Kf6 40. c5 Ke6 41. Rxd6+ 1-0