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Bushka Rules: Piece capture
Where a linear capture keeps a particular line, a piece-capture may not.
A piece may capture both forward and backward and may change direction as often
as is required under the condition of majority capture.
The first condition for making a piece-capture is the absence
of a linear capture.
A man that is the head of a line of men in a particular direction can
therefore never capture as a piece in that direction.
Of course the man may be the head of a line of men in one direction,
but not so in the perpendicular direction.
The man is then called isolated in the latter direction.
- A man can only start a capture in a direction in which it is isolated.
Once the capture starts, the man remains isolated by definition for the rest of the turn
- If a man is isolated on a particular line, and next to it on that line is a vacant
square followed by a square occupied by an opponent's piece, then the man captures
the piece by making a one step approach onto the vacant square, contacting the piece.
Note that a piece captures only a piece, not an entire line of men.
If the man, now isolated by definition, can proceed in a similar way in another
direction, including a 180 degrees turn, it must do so,
taking care beforehand to establish
the route that brings the maximum number of captured pieces.
A king counts as one piece.
If there is more than one way to meet this criterion, the player is free to choose
- Never being part of a line of men, a king is isolated by definition.
It looks along open lines.
If it sees, at any distance, an opponent's piece, then the king captures this piece by
approaching onto the last vacant square before it, contacting the piece.
If it can proceed in a similar way in another direction,
including a 180 degrees turn,
it must do so, taking care beforehand to establish the route that brings
maximum number of captured pieces.
If there is more than one way to meet this criterion, the player is free to choose
- After - and only after - a multiple capture has taken its complete course,
the captured pieces are removed from play
- In the course of a multiple capture a piece may visit the same square
more than once,
but it may not capture the same piece more than once
Draws
- The game may end in a draw by 3-fold or mutual agreement
The next excerpt illustrates priorities of capture. You'd want to go through this step by step. Black starts
a combination that gets him a man on f3, one step from promotion. White then finds a way out of trouble.
The next position illustrates a seldom encountered detail in
the rules: in the course of a capture, a piece may visit a cell more than once, but it may
not capture a piece more than once.
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