🧠 Minor Panic (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. c4 e5 2. Nc3 Bb4 3. Nd5 Nc6 4. Nf3 d6 5. a3 Be7 6. b4 Nf6 7. Bb2 0-0 *

And the answer is...
Black's move 5... Be7 is illegal because the d6-pawn is in the way.