1.
d4
Nf6
2.
Nf3
g6
3.
e3
Bg7
4.
b4
c6
5.
Bb2
a5
6.
b5
a4
7.
c4
O-O
8.
Bd3
d5
9.
O-O
dxc4
10.
Bxc4
cxb5
11.
Bxb5
Qb6
12.
Qe2
Bg4
13.
Ba3
Bxf3
14.
gxf3
Nd5
15.
Qc4
Rd8
16.
Nd2
Qf6
17.
Kh1
Na6
18.
Rac1
Nac7
19.
Qe2
Qh4
20.
Rg1
Nxb5
21.
Qxb5
Qxf2
22.
e4
Qxd2
23.
exd5
Qe3
24.
Bb2
Qxf3+
25.
Rg2
Qxd5
26.
Rc5
Qd7
27.
Qc4
Rac8
28.
Rf2
e6
0-1
Opening Explorer
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Event
Site
Mendrisio
Date
1989.??.??
Round
1
White
Geiser, Alexander
Black
Rogers, Ian
Result
0-1
BlackElo
2470
Score
[Event "Mendrisio op"] [Site "Mendrisio"] [Date "1989.??.??"] [Round "1"] [White "Geiser, Alexander"] [Black "Rogers, Ian"] [Result "0-1"] [BlackElo "2470"] 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. b4 c6 5. Bb2 a5 6. b5 a4 7. c4 O-O 8. Bd3 d5 9. O-O dxc4 10. Bxc4 cxb5 11. Bxb5 Qb6 12. Qe2 Bg4 13. Ba3 Bxf3 14. gxf3 Nd5 15. Qc4 Rd8 16. Nd2 Qf6 17. Kh1 Na6 18. Rac1 Nac7 19. Qe2 Qh4 20. Rg1 Nxb5 21. Qxb5 Qxf2 22. e4 Qxd2 23. exd5 Qe3 24. Bb2 Qxf3+ 25. Rg2 Qxd5 26. Rc5 Qd7 27. Qc4 Rac8 28. Rf2 e6 0-1