🧠 Wall Clipping (Illegal Move Exercise)

Illegal Move Exercise: The audio will lead you through a series of moves from the beginning of a game. Somewhere in there, a player will make an illegal move but the game will continue anyway. Find the illegal move.

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PGN for today's exercise:

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. O-O Ne4 5. Nbd2 Nc6 6. Nxe4 dxe4 7. Ng5 Bf5 *

And the answer is...
White's move 5.Nbd2 is illegal because there is a pawn on that square.