Assertion: chess player's piece | /r/HasProperty | relieved by other pieces
Facets:
value: else
type: OTHER
Source sentences:
text: These rules differ considerably from those of the usual form of the four-handed game; in that, the normal convention is that after a checkmate, the checkmated player's pieces remain on the board, and the pieces giving the checkmate must remain in place, or be relieved by other pieces, else the formerly checkmated player can return to the game.