🧠 Mere Anarchy (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. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 c6 6. e4 dxe4 7. Nxe4 Be7 8. Nxf6 Bxf6 9. Bxf6 Qxf6 10. Be2 *

And the answer is...
White's move 7. Nxe4 is illegal because the Knight is pinned by the Bishop on b4.