Assertion: knight's opponent | /r/CapableOf | commit blunder
Facets:
value: by moving his king
type: MANNER
Source sentences:
text: When a bare king faces a king and two knights, checkmate can occur only if the opponent commits a blunder by moving his king to a square where it may be checkmated on the next move.
text: When a bare king faces a king and two knights, checkmate can occur only if the opponent commits a blunder by moving his king to a square where it may be checkmated on the next move.