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MAINLINE
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3.Nc3 … 10...Qe8 11.Qd2 h6 12.Bh4: Petrov Defense line
Petrov Defense line, 14 moves deep. You play Black.
e4
e5
Nf3
Nf6
Nc3
Nc6
d3
d5
exd5
Nxd5
Be2
Nxc3
bxc3
Bd6
O-O
O-O
Re1
f5
Bg5
Qe8
Qd2
h6
Bh4
g5
Bg3
f4
Bxf4
Rxf4