🧠 The Long Walk (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. e4 e5 2. Ke2 Qf6 3. Kd3 Bc5 4. Kc4 Nc6 5. Kd5 Nge7+ 6. Kxc5 b6+ 7. Kb4 a5+ 8. Kc3 Nd5+ 9. exd5 O-O *

And the answer is...
White’s move 7. Kb4 is illegal because the Black knight on c6 guards the b4 square and the King cannot be moved into check.