Assertion: checkmate | /r/HasProperty | achieved
Facets:
value: relatively easily
type: DEGREE
Source sentences:
text: The rest of the board becomes irrelevant when checkmate is achieved because the game must end.
text: The queen and rook alternate in removing files from the opposing king until he is pushed to the edge of the board, and checkmate is achieved.
text: Board 2 is just showing a somewhat common situation where checkmate can be achieved relatively easily, and soon.