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Master Course Openings Traps Middlegame Endgame Theory Brain Games Play

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Weaknesses Common positions Settings

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Master Course Openings Traps Middlegame Endgame Theory Brain Games Play

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Weaknesses Common positions

3.Be2 … 7...Nde7 8.Nc3 O-O 9.a3: Petrov Defense line

Petrov Defense line, 9 moves deep. You play Black.

e4
e5
Nf3
Nf6
Be2
Nc6
d3
d5
exd5
Nxd5
O-O
Bd6
c4
Nde7
Nc3
O-O
a3
Nf5