Assertion: checkmate | /r/CapableOf | utilize black rook
Facets:
Source sentences:
text: The checkmate utilizes the black rook (it could be a bishop or queen instead) to confine the black king's escape to the f8-square.
text: The checkmate utilizes the black rook (it could be a bishop or queen instead) to confine the black king's escape to the f8-square.