1.
e4
c5
2.
d4
cxd4
3.
c3
Nf6
4.
e5
Nd5
5.
Qxd4
e6
6.
Bc4
Nc6
7.
Qe4
d6
8.
Nf3
dxe5
9.
Nxe5
Nxe5
10.
Qxe5
Qd6
11.
Bb5+
Bd7
12.
Bxd7+
Qxd7
13.
O-O
Nf6
14.
c4
Bd6
15.
Qe2
Rc8
16.
b3
Qc7
17.
h3
Bh2+
18.
Kh1
Be5
19.
Bb2
Bxb2
20.
Qxb2
O-O
21.
Nc3
a6
22.
Rac1
Rfd8
23.
Rcd1
h6
1/2-1/2
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Event
Site
Ventura
Date
1971.??.??
Round
5
White
Jacobs, John N
Black
Martz, William E
Result
1/2-1/2
Score
[Event "US Open-72"] [Site "Ventura"] [Date "1971.??.??"] [Round "5"] [White "Jacobs, John N"] [Black "Martz, William E"] [Result "1/2-1/2"] 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Qxd4 e6 6. Bc4 Nc6 7. Qe4 d6 8. Nf3 dxe5 9. Nxe5 Nxe5 10. Qxe5 Qd6 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. O-O Nf6 14. c4 Bd6 15. Qe2 Rc8 16. b3 Qc7 17. h3 Bh2+ 18. Kh1 Be5 19. Bb2 Bxb2 20. Qxb2 O-O 21. Nc3 a6 22. Rac1 Rfd8 23. Rcd1 h6 1/2-1/2