1.
d4
d5
2.
Nf3
Nf6
3.
c4
c6
4.
Nc3
dxc4
5.
e3
b5
6.
a4
b4
7.
Na2
e6
8.
Bxc4
Bb7
9.
O-O
Be7
10.
Qe2
O-O
11.
e4
a5
12.
Rd1
c5
13.
e5
Nd5
14.
dxc5
Bxc5
15.
Ng5
h6
16.
Ne4
Be7
17.
Qg4
Kh8
18.
Rd3
Nc6
19.
Bxh6
gxh6
20.
Rh3
Bg5
21.
Nxg5
Nxe5
22.
Rxh6+
Kg8
23.
Qh5
1-0
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Event
Site
Ventura
Date
1971.??.??
Round
11
White
Marchand, Erich Watkinson
Black
O'Donnell, Robert
Result
1-0
[Event "US Open-72"] [Site "Ventura"] [Date "1971.??.??"] [Round "11"] [White "Marchand, Erich Watkinson"] [Black "O'Donnell, Robert"] [Result "1-0"] 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. O-O Be7 10. Qe2 O-O 11. e4 a5 12. Rd1 c5 13. e5 Nd5 14. dxc5 Bxc5 15. Ng5 h6 16. Ne4 Be7 17. Qg4 Kh8 18. Rd3 Nc6 19. Bxh6 gxh6 20. Rh3 Bg5 21. Nxg5 Nxe5 22. Rxh6+ Kg8 23. Qh5 1-0