Assertion: checkmate's piece | /r/HasProperty | removed
Facets:
value: from the game
type: LOCATION
value: permanently
type: MANNER
value: from the board
type: OTHER
Source sentences:
text: When a king is threatened, you should verbally say “check” to inform the opponent that their king must move or the piece threatening the king must be removed from the board.
text: The captured piece is thereby permanently removed from the game.