🧠 Outside In (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. 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: h4 Nf6 2. Rh3 e5 3. e3 Bc5 4. Nh3 0-0 5. Bc4 d5 6. Bb3 * And the answer is... White's move 4. Nh3 is illegal because the white Rook is occupying that square.