|© João Pedro Neto|
UnStack was created by João Pedro Neto, Lisbon (Portugal), in 2001. It is a mancala-like game in which counters are sown.
UnStack is played on a board of 7x7 squares.
One player owns 29 black stones, his opponent the same number of white stones. The author recommended stackable pieces; this, however, is not necessary as it doesn't matter where a piece is located within a particular square ("pseudo-stacks"). The initial set-up is shown below.
Two or more stones on the same square are called a "stack".
On his turn a player spreads one of his stacks in an orthogonal direction (not diagonal):
- At least one piece must be placed on each square crossed.
- More than one piece may be sown at once.
- It is not permitted to sow into a square, which has the same number or more enemy stones than own stones could still be sown. Such a square would make the move illegal.
If more stones are sown into a square as it contains enemy stones, then these enemy pieces are captured and removed from the board.
Captures are mandatory.
The game is won by the player who has captured all enemy stacks.
- Pedro Neto, J.
- (2001) Unstack [Web page] [31 Oct 2006].
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