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Subject: Re: Positional/Real Sacrifice

Author: Steffen Jakob

Date: 00:42:18 11/30/99

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Hi Bob!

On November 29, 1999 at 20:17:47, Robert Hyatt wrote:
>On November 29, 1999 at 19:00:25, Ed Schröder wrote:

[...]

>>I can not believe you saying this. After 1.Bxh6 gxh6 2.Qxh6 there is a queen,
>>2 rooks and a bishop all pointed very dangerous at a naked king. Rebel giving
>>+1 is fully justified.
>>
>>Every 1800 rated chess player will play 1.Bxh6 immediately, no need to
>>calculate.
>>
>
>Sorry, but _I_ am an 1800+ player and _I_ wouldn't play it immediately.  Because
>black can play f5, and it doesn't look nearly so clear after that.  The king
>has a way out...  the black rook now can interpose on the g/h files.  The
>f file is no longer useful unless white does something else...
>
>It may be good.  It may not work.  But as a human, I don't play Bxh6 here
>without calculating something worthwhile at the end of the sequence.  I let
>an IM look at this for several minutes...  he left unclear whether it was
>good or not...
>
>That is what I meant by "this looks incredibly dangerous".  Because if you don't
>get something back from this, you are pretty well sunk.  The position looks
>pretty nice for white.  But good enough to toss a piece immediately?  Unclear
>without a lot more analysis...
>
>to me

I personally (also >1800 in blitz :-) would have played Bxh6 in blitz, too, and
I am happy that my program found the same move. Of course it´s not 100% clear
that this move wins, but it´s 100% clear that white gets a very dangerous
attack. Therefore it depends on your playing style if you are willing to risk
that. I would, you wouldnt. Crafty doesn´t play Bxh6, Hossa plays Bxh6. :-) IMO
it´s rather conservative not to take the h6 pawn. Can you give some examples
where crafty gave away a piece for the h6 (and g) pawn in a similar position?

Best wishes,
Steffen.



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