Chess Visualization with Aiden Rayner

🧠 Shy Start (Illegal Move Exercise)

January 12th, 2026

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:

  1. e3 e5 2. d4 d6 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Bg5+ Nf6 6. Nf3 e4 *

And the answer is...
White's move 5. Bg5+ is illegal because the Bishop is blocked by the pawn on e3.