An opportunity to hit an opponent's checker after one of yours has been hit.
A dice roll that allows a checker on the bar to hit a blot.
A roll of that that gives a checker the opportunity to hit a blot on the player home board.
Hitting one's opponent's blot from the bar, or within a turn, of having been hit oneself.
A move in which a player hits his opponent's blot, having just re-entered a checker from the bar to the board.
A roll which enables a man on the bar to hit a blot.