🧠Fian-cheat-o (Illegal Move Exercise)
Dec 30, 2025•3 min
Episode description
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 d5 2. c4 c6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Bg4 6. O-O Nd7 7. cxd5 Nxd5 8.Nc3 Qc7 9.e4 Nb4 *
And the answer is...
Black's move 7...Nxd5 is illegal because one Knight is on d7 and the other one is still on g8.
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