1.
Nf3
c5
2.
c4
Nf6
3.
g3
b6
4.
Bg2
Bb7
5.
O-O
e6
6.
Nc3
d6
7.
d4
cxd4
8.
Qxd4
Be7
9.
Bg5
O-O
10.
Rfd1
Nc6
11.
Qf4
Qb8
12.
Rac1
1/2-1/2
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Event
Site
Jacksonville
Date
1990.??.??
White
Donaldson, John W
Black
Yudasin, Leonid
Result
1/2-1/2
WhiteElo
2400
BlackElo
2575
[Event "US Open-91"] [Site "Jacksonville"] [Date "1990.??.??"] [Round "?"] [White "Donaldson, John W"] [Black "Yudasin, Leonid"] [Result "1/2-1/2"] [EventArchiveKey "us-open-1990"] [WhiteElo "2400"] [BlackElo "2575"] 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 d6 7. d4 cxd4 8. Qxd4 Be7 9. Bg5 O-O 10. Rfd1 Nc6 11. Qf4 Qb8 12. Rac1 1/2-1/2