This case is of course not pruned by Valkyria, simply because the the
pattern here is completely different from what we discussed. :) This
sacrifice prevents an eye to be made.
-Magnus
Quoting Christian Nentwich <christ...@modeltwozero.com>:
|- - - - - - -
|. * * o . . .
|* . * o * . *
|o . o o * . .
|o * o . * . .
|o o o * . . .
|. * * * . . .
|. . . . . . .
|. * . . . . .
Black to play and kill :)
Christian
On 01/07/2009 17:41, Magnus Persson wrote:
In this case one needs to check that after the two stones are
captured the capturing single stone can be recaptured bringing us
back to where we started. If it is a "big eye" there is no recapture.
-Magnus
Quoting Brian Sheppard <sheppar...@aol.com>:
For black I think I prune this kind of two stone suicide
always no matter what the situation is (exception is ko). These
prunings are probably wrong in some extremely rare cases.
How can you tell the difference between this kind of two-stone
self-atari, and a self-atari of two stones within an opponent's
"big eye", which could be necessary for life&death?
_______________________________________________
computer-go mailing list
computer-go@computer-go.org
http://www.computer-go.org/mailman/listinfo/computer-go/
_______________________________________________
computer-go mailing list
computer-go@computer-go.org
http://www.computer-go.org/mailman/listinfo/computer-go/
--
Magnus Persson
Berlin, Germany
_______________________________________________
computer-go mailing list
computer-go@computer-go.org
http://www.computer-go.org/mailman/listinfo/computer-go/
