The pieces involved are the pawns of each player.
As many as possible.
En-passant happens when the opponent moves a pawn up two squares, and only the turn immediately after the pawn moves, next to one of your pawns. Then, you take diagonally to the unoccupied space behind his/her pawn and remove his piece. It is the only chess move where the capturer does not take the opponent's piece's place.
In the game of chess there is a chess piece called the Queen.
The capture of the King is the penultimate goal in the game of chess .
The most important is the king . The capture of the king is the goal of the game of chess .