🧠 Fool (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. f4 d5 2. e3 Nc6 3. g4 Qh4+ 4. Ke2 Bxg4+ 5. Nf3 Bxf3+ 6. Kxf3 *

And the answer is...
Black's move 3... Qh4+ is illegal because the Queen is blocked by the pawn on e7.