Chess special moves
En passant
if you have two pawns right next to each other on your fifth rank then you can eat it.
Castling
When your king and your rook change places. You can also queenside castle, which is the same thing, but on the other side
Promotion
If your pawn reaches the last rank, they can change into the piece of their choice except for another pawn. If you switch to a piece other than the queen, that is called underpromotion.
I could of missed some lol
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