BlackOpponent
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WhiteYou
Move the pawn from e2 to e4.
The idea
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Nb5 creates a concrete c7 threat. After the bishop
Understand the move
Move the pawn from e2 to e4.
First, the idea.
Nb5 creates a concrete c7 threat. After the bishop exchange, accept doubled e-pawns for open lines, but recognize that ...Qd8 covers the fork.
Progress stays on this device. No account needed.