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STACK - One, two or four (not
three) stones of the same color on the same cell. |
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CORNERS - Each
connected set of marked cells.
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Corner is controlled by a player, if
that player has stacks on all its marked cells. |
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SETUP - Each player
puts a stone in an empty cell. |
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TURN - On each
turn, each player must do one of the following actions:
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Move a stack to any (orthogonal or
diagonal) adjacent space |
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Divide to an (orthogonal or
diagonal) adjacent cell
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A stack of size 2 divides into 2
stacks of size 1. |
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A stack of size 4 divides into 2
stacks of size 2. |
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Grow.
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A stack of size 1 grows to size
2. |
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A stack of size 2 grows to size
4. |
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A stack of size 4 cannot grow. |
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LIBERTIES - One liberty
is one empty orthogonal adjacent cell.
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A stack with no liberties is removed
from board. |
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A stack of size 1 requires two
liberties to grow into a stack of size 2. |
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A stack of size 2 requires two
liberties to divide or move, and three liberties to grow into a
stack of size 4. |
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A stack of size 4 requires 3
liberties to divide or move. |
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Pieces cannot commit suicide, but
they may make a move which is only legal after any captures have
been dealt with. |
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GOAL - Wins the player
that controls 3 of the 4 corners. |