🧠 Suspect Sequence (Illegal Move Exercise)

Illegal Move Exercise: Somewhere in the game below is an illegal move. Find it and identify why it is illegal. 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: c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Bxd8 7. e4 Nf6 8. Bd3 O-O * Answer at the end of the episode. Exercise designed by WFM Tihana Ivekovic Exercise audio generated with the help of AI to ensure clarity and to avoid human (that is, mine) errors in the exercise recording itself. Exercise design, music, show notes, answer explanations, and everything else were done by humans.