Game
Backgammon
version 3.0 by mathslice.com,inc.
About
Backgammon is an implementation of the classic backgammon board game. The playing pieces are moved according to the roll of dice, and players win by removing all of their pieces from the board.
Request
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Movement
To start the game, each player rolls one die, and the player with the higher number moves first using both the numbers shown. The players then alternate turns, rolling two dice at the beginning of each turn. If a player rolls two of the same number, called doublets, that player must play each die twice. If players cannot move either die in a roll, given the position of their checkers then that turn is over and the turn passes to the opponent.
In the course of a move, a checker may land on any point that is unoccupied or is occupied only by a player's own checkers. It may also land on a point occupied by exactly one opposing checker, or "blot". In this case, the blot has been hit, and is placed in the middle of the board on the bar that divides the two sides of the playing surface. A checker may never land on a point occupied by two or more opposing checkers; thus, no point is ever occupied by checkers from both players simultaneously.
Re-Entry
Checkers placed on the bar re-enter the game through the opponent's home board. A player may not move any other checkers until all checkers on the bar belonging to that player have re-entered the game.
Bearing Off
When all of a player's checkers are in that player's home board, that player may start removing them; this is called bearing off. A roll of 1 may be used to bear off a checker from the 1-point, a 2 from the 2-point, and so on. A die may not be used to bear off checkers from a lower-numbered point unless there are no checkers on any higher points.
Doubling Cube
At the start of each game, the doubling cube is placed on the bar with the number 64 showing. the player about to roll may propose that the game be played for twice the current stakes. His opponent must either accept ("take") the doubled stakes or resign ("drop") the game immediately. If the opponent takes, the cube, now showing the doubled stake, is moved to the opponent's side of the board. This is done to indicate that the right to re-double belongs exclusively to the player who last accepted a double. Whenever a player accepts doubled stakes, the cube is placed on his side of the board with the corresponding power of two facing upward.
Undo
You can undo your first move (in case of doublets you can undo all 3 moves) and play the move again. This is implemented so that the player can correct mistakenly moved pieces..
Highlight Points
Please note that the game does not check for the validity of the move - it just highlights the possible (1 or 2) points.
Help
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email: help@mathslice.com