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Subject: Re: Real Sacrifices Part II

Author: Harald Faber

Date: 00:28:50 12/16/98

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On December 15, 1998 at 12:28:16, blass uri wrote:

>>To make a long story in a short answer:
>>Sacs are hard to refuse OTB. That is the only reason some masters and GMs play
>>some. They pull up some confusing struggle knowing that the opponent won't be
>>able to save the game because of 2 aspects: 1) king safety/ under pressure
>>(=psychology) and 2) time. Maybe the GM knows that the sac is unsound. He plays
>>it becasue he knows there is only one defence and the opp won't find it.
>>In corespondence chess you have to be much more carefully.
>>The only programs playing risky sacs are the ones that have a sound eval for
>>king safety and attacking potential, MCP, The King, WChess and CSTal come in
>>mind for that case. MAYBE Junior5. Fritz won't play it unless it is sure to win
>>material. :-)
>I do not agree about fritz
>I remember that fritz5.16 sacrificed a rook for a knight in the last round of
>mclane's tournament against Genius5 when it did not see that it could win
>material by the sacrifice.

Exceptions confirm the rule. ;-)



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