1.
Nf3
c5
2.
e4
g6
3.
d4
Bg7
4.
Nc3
Qa5
5.
Bd2
cxd4
6.
Nd5
Qd8
7.
Bc4
Nc6
8.
O-O
e6
9.
Re1
Na5
10.
Bd3
Nh6
11.
Bg5
f6
12.
Nxf6+
Bxf6
13.
Bxh6
e5
14.
Qd2
b6
15.
Nxd4
exd4
16.
e5
Be7
17.
Bg7
Rg8
18.
Qh6
d5
19.
Qxh7
Rxg7
20.
Qxg7
g5
21.
Bb5+
Bd7
22.
e6
1-0
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Event
Site
Las Vegas
Date
1975.03.06
Round
7
White
Koelsche, Giles A
Black
Erbe, T
Result
1-0
Score
[Event "Las Vegas National op"] [Site "Las Vegas"] [Date "1975.03.06"] [Round "7"] [White "Koelsche, Giles A"] [Black "Erbe, T"] [Result "1-0"] 1. Nf3 c5 2. e4 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2 cxd4 6. Nd5 Qd8 7. Bc4 Nc6 8. O-O e6 9. Re1 Na5 10. Bd3 Nh6 11. Bg5 f6 12. Nxf6+ Bxf6 13. Bxh6 e5 14. Qd2 b6 15. Nxd4 exd4 16. e5 Be7 17. Bg7 Rg8 18. Qh6 d5 19. Qxh7 Rxg7 20. Qxg7 g5 21. Bb5+ Bd7 22. e6 1-0