Eight chess moves that look completely normal and are against the rules, plus two that look illegal and are perfectly fine, and the last one trips up people who write chess engines. Here's every illegal chess move explained.

⏱ Chapters
0:00 Intro
0:13 The Shadow Square
1:15 The Frozen Bishop
2:13 The Pinned Guard
3:12 The Mate You Can't Play
4:13 Castling Through Fire
5:11 The Attacked Rook
6:06 The Expired En Passant
7:04 The Sideways Pin

Every position in this video was checked move by move — try them on any board.

🔔 64 Squares — every corner of chess, one category at a time.
💬 Which one did you not know? Tell me in the comments.

#chess #chessexplained #learnchess