Assertion: checkmate | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
Source sentences:
text: Familiarity information: CHECKMATE used as a verb is very rare.
text: Blackburne's mate is named for Joseph Henry Blackburne and is a rare method of checkmating.
text: Familiarity information: CHECKMATE used as a noun is rare.
text: Blackburne's mate is named for Joseph Henry Blackburne and is a rare method of checkmating.