Re: computer-go: Go4++: Passing in tsume searches.

[Daniel Bump <bump@xxxxxxxxxxxxxxxxxx>]

> Look at this problem:
> 
>  9 . . * * * * * . .
>  8 . * * 0 0 0 * * .
>  7 . * 0 0 . 0 0 * .
>  6 . * 0 0 * * 0 * .
>  5 . * 0 . * * 0 * .
>  4 . * 0 0 . 0 0 * .
>  3 . * 0 0 0 0 0 * .
>  2 . * * * * * * * .
>  1 . . . . . . . . . 
>    A B C D E F G H
> 
> 0 is alive in a seki because he has a 7 space eye.
> However, if it is his turn, he MUST pass or he kills
> himself.

This particular position is dead. To capture O, *
fills two liberties resulting in 

  9 . . * * * * * . .
  8 . * * 0 0 0 * * .
  7 . * 0 0 . 0 0 * .
  6 . * 0 0 * * 0 * .
  5 . * 0 * * * 0 * .
  4 . * 0 0 * 0 0 * .
  3 . * 0 0 0 0 0 * .
  2 . * * * * * * * .
  1 . . . . . . . . . 
    A B C D E F G H

Now O must capture and * plays in the middle to kill.

Dan