1.
b3
d5
2.
Bb2
Bg4
3.
f4
e6
4.
Nf3
Bxf3
5.
exf3
Nf6
6.
Bd3
Nbd7
7.
Qe2
Bd6
8.
f5
O-O
9.
fxe6
Re8
10.
Bf5
Nc5
11.
Nc3
fxe6
12.
Bd3
c6
13.
O-O-O
b5
14.
a3
a5
15.
Nb1
b4
16.
a4
Rc8
17.
Rde1
Nxd3+
18.
Qxd3
c5
19.
c4
bxc3
20.
Nxc3
c4
21.
bxc4
Rxc4
22.
Kd1
Bc5
23.
g4
Bd4
24.
h4
Qd7
25.
h5
Bxc3
26.
Bxc3
Qxa4+
27.
Ke2
d4
28.
Ra1
Qc6
29.
Bxa5
e5
30.
Qb3
Nd5
31.
Kf2
e4
32.
fxe4
Rxe4
33.
Rhe1
Qf6+
34.
Kg3
Qf4+
35.
Kg2
Qxg4+
36.
Qg3
Nf4+
0-1
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Event
Site
St Petersburg
Date
1992.??.??
White
Wunder, Horst
Black
Ionov, Sergey
Result
0-1
BlackElo
2500
Score
[Event "St Petersburg op"] [Site "St Petersburg"] [Date "1992.??.??"] [Round "?"] [White "Wunder, Horst"] [Black "Ionov, Sergey"] [Result "0-1"] [BlackElo "2500"] 1. b3 d5 2. Bb2 Bg4 3. f4 e6 4. Nf3 Bxf3 5. exf3 Nf6 6. Bd3 Nbd7 7. Qe2 Bd6 8. f5 O-O 9. fxe6 Re8 10. Bf5 Nc5 11. Nc3 fxe6 12. Bd3 c6 13. O-O-O b5 14. a3 a5 15. Nb1 b4 16. a4 Rc8 17. Rde1 Nxd3+ 18. Qxd3 c5 19. c4 bxc3 20. Nxc3 c4 21. bxc4 Rxc4 22. Kd1 Bc5 23. g4 Bd4 24. h4 Qd7 25. h5 Bxc3 26. Bxc3 Qxa4+ 27. Ke2 d4 28. Ra1 Qc6 29. Bxa5 e5 30. Qb3 Nd5 31. Kf2 e4 32. fxe4 Rxe4 33. Rhe1 Qf6+ 34. Kg3 Qf4+ 35. Kg2 Qxg4+ 36. Qg3 Nf4+ 0-1