Re: [gnugo-devel] endgame mistake

[Matthias Krings]

SP Lee wrote:
> > In my opinion T3 may be better than T2. Both moves maybe gote locally,
> > but T3 eliminates the chance that black makes 1 extra (gote) point by
> > playing T3. Of course the correct move would be dependent on the rest
>
> of
>
> > the board. At least, when this is the last place to be played in a
>
> game,
>
> > T3 is better.
> >
> > SP Lee
>
>
> I was wrong. When white plays T3, black could play T2 and the ko is not
> good for white.

The resulting ko is not so important. Even if w wins the ko, he loses
one point: He has to play into his own territory at T1 and R2, whereas
black loses only one point: The throw in at T2.

...
  5 X . X X . O O X O O . X X . X . . . . 5
  4 . X O X X X O O X X X X . X O X X X . 4
  3 . O O X . O . . O X X O . O O O O X . 3
  2 . O X X . . O O . O X O . . . . . O . 2
  1 . . . . . . . . O . O . . . . . . . . 1
    A B C D E F G H J K L M N O P Q R S T

Matthias