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Subject: Re: Crafty-Fritz new idea - 20...b4

Author: Uri Blass

Date: 14:57:33 08/30/00

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On August 30, 2000 at 16:54:39, Tim Mirabile wrote:

>On August 30, 2000 at 16:21:25, Uri Blass wrote:
>
>>On August 30, 2000 at 13:44:48, Tim Mirabile wrote:
>>
>>>[D]1r2kb1r/2qb1p2/p2ppP2/1pP5/3NP2p/P1N2Q2/2P4P/1K1R1BR1 b k - 0 20
>>>
>>>Now 20...dxc5 is coming under serious doubt after 21.Nxe6, but what about
>>>20...b4!? and if 21.axb4 dxc5?  Now 22.Nde2 transposes back to the game, and
>>>22.Nxe6 can be met by Rxb4+.
>>
>>After 20...b4 I reply 21.Nd5
>
>Then 21...Qxc5 I think.  It seems too risky to take on d5.

I think that I play 22.a4(this is crafty's move after finishing iteration 11
with score +0.95 on my p200 after )

I also use crafty in my pIII450 to analyze the position after 19...b4

Crafty failed low at depth 15 and the score for 21.axb4 is only 0.87 at depth
15/38
Crafty cosiders 21.Nd5 in the last 2 hours.

I did not check 21.Nd5 enough and I am not sure if it is the correct move.
It was not suggested by my programs and I did only a short analysis to see that
it is not an obvious blunder before deciding to play it.

Uri



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