Type of timed game where players are limited to one to three minutes each per game

Position where one player's pieces cannot move

Two checkers of the same color on king row with one empty square between them to form a bridge

Elimination of one or more of the opponent's pieces by jumping over them

64-square checkered board game

Non-book move intended to force an opponent to use a difficult line of play

Placement of a checker on top of a piece that has reached the last rank to indicate its promotion to king.

Corner of the board where there are two squares each adjacent to the corner square

Move where two jumps are made

Putting pressure on the opponent's double corner by occupying square 14 by White or 19 by Red