Assertion: checkmate's piece | /r/CapableOf | check the opponent's king
Facets:
Source sentences:
text: In a discovered check, a piece moves out of the line of attack by another piece so that this other piece (which can be a queen, rook, or bishop) is then checking the opponent's king.
text: In a discovered check, a piece moves out of the line of attack by another piece so that this other piece (which can be a queen, rook, or bishop) is then checking the opponent's king.
text: For example, if an opponent forks two of a player's pieces, the attacked player may be able to move one of the forked pieces to check the opponent's king requiring the opponent to save it on his/her next move, thus allowing the player to then move the other forked piece to also save it from attack.