1.
f4
d5
2.
b3
Nf6
3.
Bb2
g6
4.
Nf3
Bg7
5.
g3
c5
6.
Bg2
Nc6
7.
O-O
O-O
8.
e3
Bg4
9.
h3
Bxf3
10.
Bxf3
Qd6
11.
Bg2
Ne4
12.
Bxg7
Kxg7
13.
Rf3
Qf6
14.
c3
Rad8
15.
g4
h6
16.
Na3
Qh4
17.
Rc1
f5
18.
d3
fxg4
19.
hxg4
Qxg4
20.
Qe1
Ne5
21.
fxe5
Rxf3
22.
dxe4
Rg3
23.
Rc2
dxe4
24.
Re2
Rd1
25.
Qxd1
Rxg2+
26.
Rxg2
Qxd1+
27.
Kh2
Qe1
28.
e6
Qxe3
29.
Nc4
Qf4+
30.
Rg3
h5
31.
Kg2
h4
32.
Rh3
g5
33.
a4
g4
34.
Rxh4
Qf3+
35.
Kh2
Qf2+
0-1
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Event
Site
Las Vegas
Date
1973.03.12
Round
2
White
Johnson, Robert K
Black
Burger, Karl
Result
0-1
Score
[Event "Las Vegas National op"] [Site "Las Vegas"] [Date "1973.03.12"] [Round "2"] [White "Johnson, Robert K"] [Black "Burger, Karl"] [Result "0-1"] 1. f4 d5 2. b3 Nf6 3. Bb2 g6 4. Nf3 Bg7 5. g3 c5 6. Bg2 Nc6 7. O-O O-O 8. e3 Bg4 9. h3 Bxf3 10. Bxf3 Qd6 11. Bg2 Ne4 12. Bxg7 Kxg7 13. Rf3 Qf6 14. c3 Rad8 15. g4 h6 16. Na3 Qh4 17. Rc1 f5 18. d3 fxg4 19. hxg4 Qxg4 20. Qe1 Ne5 21. fxe5 Rxf3 22. dxe4 Rg3 23. Rc2 dxe4 24. Re2 Rd1 25. Qxd1 Rxg2+ 26. Rxg2 Qxd1+ 27. Kh2 Qe1 28. e6 Qxe3 29. Nc4 Qf4+ 30. Rg3 h5 31. Kg2 h4 32. Rh3 g5 33. a4 g4 34. Rxh4 Qf3+ 35. Kh2 Qf2+ 0-1