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 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O a6 5. Ba4 Bc5 6. d3 Ng6 7. Bg5 Be7 8. Bxe7 Qxe7 *

And the answer is...
Black's move 5...Bc5 is illegal because the Bishop is blocked by the Knight on e7.