Assertion: backgammon's rule | /r/CapableOf | permit gammon
Facets:
Source sentences:
text: Jacoby rule A rule which permits gammons and backgammons to count for double and triple stakes only if one or more players have doubled during the game.
text: Jacoby rule A rule which permits gammons and backgammons to count for double and triple stakes only if one or more players have doubled during the game.