Assertion: checkmate's piece | /r/HasProperty | situated on flight squares
Facets:
Source sentences:
text: It works by trapping the enemy king with four of its own pieces that are situated on flight squares and then attacking it with a bishop that is protected by a rook or queen.
text: It works by trapping the enemy king with four of its own pieces that are situated on flight squares and then attacking it with a bishop that is protected by a rook or queen.