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.
To learn more about Don't Move Until You See It and get the free 5-day Conceptualizing Chess Series, head over to https://dontmoveuntilyousee.it/conceptualization
PGN for today's exercise:
- d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 b6 7. d5 exd5 8.Nxd5 Bb7 9.Nxf6 gxf6 10.Bh6 Re8 11.Be2 Kh8 12.0-0 Nc6 *
And the answer is...
White's move 8. Nxd5 is illegal because the Knight is pinned by the black Bishop on b4.