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. f4 f5 2. e4 fxe4 3. d3 exd3 4. Nxd3 d6 5. Nf3 Nf6 6. Be2 Bg4 7. O-O g6 8. Ng5 Bxe2 9. Qxe2 Qd7 10. Bd2 Bg7 *

And the answer is...
White’s move 4. Nxd3 is illegal as neither Knight can currently reach the d3 square.