Black to play the best move with marked stones, also, find white's best defense. (idea's to escape, not sacrifice! it doesn't matter if the black group will be heavy, black can save the move for later when the group won't be so heavy) The problem may be flawed, I didn't take a huge amount of time looking for every variation
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Shaddy wrote:
Black to play the best move with marked stones, also, find white's best defense. (idea's to escape, not sacrifice! it doesn't matter if the black group will be heavy, black can save the move for later when the group won't be so heavy) The problem may be flawed, I didn't take a huge amount of time looking for every variation
Herman, in your diagram 1, doesn't white simply capture black?
It's 2 libs to 2 libs and white to play, no ladder. [edited out]I said something about the ko, but turns out I was confused until I re-read your comment for diagram 1.
_________________ 19/02/2011: this grumpy person takes a voluntary holiday from L19.
Posts: 2011 Location: Groningen, NL Liked others: 202 Was liked: 1087
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schilds wrote:
Herman, in your diagram 1, doesn't white simply capture black?
It's 2 libs to 2 libs and white to play, no ladder. [edited out]I said something about the ko, but turns out I was confused until I re-read your comment for diagram 1.
Oh, I completely missed the liberty at N6. In that case I see no escape.
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If the goal is simply to capture or save the stones regardless of shape then they are dead. Playing the sequence out though would be very bad tactics - better to let black escape.
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Shaddy
and 
don't work because of this ladder.
with 
at 
at 
there is no way to prevent a black escape.