Assertion: checkmate | /r/HasProperty | impossible
Facets:
value: completely
type: DEGREE
Source sentences:
text: When there is just a bishop or knight, checkmate is completely impossible.
text: If neither player has a theoretical possibility to checkmate the opponent; for example, if a player has only the king and a knight, and the opponent has only the king, checkmate is impossible and the game is drawn by this rule.