1.
d4
Nf6
2.
c4
c5
3.
d5
b5
4.
cxb5
a6
5.
Nc3
axb5
6.
e4
b4
7.
Nb5
d6
8.
Bf4
g5
9.
e5
gxf4
10.
exf6
Nd7
11.
fxe7
Qxe7+
12.
Be2
Ne5
13.
Kf1
Bg7
14.
Qd2
O-O
15.
Qxf4
Ng6
16.
Qc1
0-1
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Event
Site
Philadelphia
Date
1989.??.??
Round
4
White
Markzon, Gregory
Black
Fedorowicz, John P
Result
0-1
WhiteElo
2240
BlackElo
2505
[Event "World op 17th"] [Site "Philadelphia"] [Date "1989.??.??"] [Round "4"] [White "Markzon, Gregory"] [Black "Fedorowicz, John P"] [Result "0-1"] [WhiteElo "2240"] [BlackElo "2505"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bf4 g5 9. e5 gxf4 10. exf6 Nd7 11. fxe7 Qxe7+ 12. Be2 Ne5 13. Kf1 Bg7 14. Qd2 O-O 15. Qxf4 Ng6 16. Qc1 0-1