hejackedbonsai wrote:
Dear community,
in following two pictures a game situation is shown.
https://goo.gl/photos/8P1Mp8DHYigsD1nT7We've removed prisoned stones; was this correct.
https://goo.gl/photos/1ZApqCKS5iVuV627AThanks a million for advice and explanation.
A stone or group of connected stones is captured when it is smothered, i.e., when each of its adjacent points is occupied by an enemy stone. (With one exception, to be explained below.)
- Click Here To Show Diagram Code
[go]$$ Board position (illegal)
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . . X W X . . . . . . . . |
$$ | . . . . . . . . O X X . . . . . . . . |
$$ ---------------------------------------[/go]
The above board position is illegal, because the
stone is captured. It should be removed from the board, to produce the following legal position.
- Click Here To Show Diagram Code
[go]$$ Legal position
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . . X . X . . . . . . . . |
$$ | . . . . . . . . O X X . . . . . . . . |
$$ ---------------------------------------[/go]
How is it captured?
- Click Here To Show Diagram Code
[go]$$B Black captures the marked stone
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . . 1 W X . . . . . . . . |
$$ | . . . . . . . . O X X . . . . . . . . |
$$ ---------------------------------------[/go]
One way is that Black plays
and captures
. Before the end of her play, Black removes the
stone from the board, leaving the legal position above.
- Click Here To Show Diagram Code
[go]$$W Illegal suicide
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . . X 1 X . . . . . . . . |
$$ | . . . . . . . . O X X . . . . . . . . |
$$ ---------------------------------------[/go]
If White plays
, it would be captured. White is not allowed to play this suicide.
- Click Here To Show Diagram Code
[go]$$B Exception
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . O B W X . . . . . . . . |
$$ | . . . . . . . X W W X . . . . . . . . |
$$ ---------------------------------------[/go]
This is another illegal position. Neither the
stone nor the
stones may remain on the board at the same time. What happens depends upon whose turn it is, that is, upon who has just played a stone. If it is White, then White removes the Black stone, leaving the following legal position.
- Click Here To Show Diagram Code
[go]$$ White has captured one Black stone
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . O . O X . . . . . . . . |
$$ | . . . . . . . X O O X . . . . . . . . |
$$ ---------------------------------------[/go]
If it is Black's turn, she removes the White stones to leave this legal position.
- Click Here To Show Diagram Code
[go]$$ Black has captured three White stones
$$ ---------------------------------------
$$ | X . . . . O . . . . . . . . . . . . . |
$$ | . X . . O . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . O X . . . . . , . . . . . , . . O |
$$ | . O X . . . . O . . . . . . . . . O . |
$$ | O X . . . . . O . . . . . . . . O X . |
$$ | . X . . . . . . . . . . . . . O . . . |
$$ | . . . . . . . . . . . . . . O . . . . |
$$ | . . . . . . . . . . . . X O . . . . . |
$$ | X . . , . . . . . , X X O X . , . . . |
$$ | O X . . . . . . . . . O . X . . . . . |
$$ | . O X . . . . . . . . O . X . . . . . |
$$ | . . O X . . . . . . . O . X . . . . . |
$$ | . O . X . . . . . . . O . . . . . . . |
$$ | O X X X . . . . . . O . . . . . . . . |
$$ | X . . , . . . . X O . . . . . , . . . |
$$ | . . . . . . . O O X . . . . . . . . . |
$$ | . . . . . . . O X . X . . . . . . . . |
$$ | . . . . . . . X . . X . . . . . . . . |
$$ ---------------------------------------[/go]
¿Está claro?