Episode Details

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 d5 2. exd5 e6 3. dxe6 Bxe6 4. Nf3 Nf6 5. Qe2 Nc6 6. Ng5 Bd7 7. Nc3 Qe7 8. Qxe7 Bxe7 9. Bc4 O-O 10. d3 Nd4 *

And the answer is...
6...Bd7