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Subject: Re: TB's & Castling

Author: Slater Wold

Date: 17:43:12 03/06/02

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On March 06, 2002 at 20:16:58, Dann Corbit wrote:

>On March 06, 2002 at 19:18:16, Slater Wold wrote:
>
>>Hyatt said in an earlier post that TB's don't take into account the ability to
>>castle because it would be a waste.
>>
>>However, when I feed this position into any engine, it solves it in 0.00 as a TB
>>win.
>>
>>[D]5Q1Q/5Q1Q/5Q1Q/5Q1Q/8/6P1/6k1/4KR1R w K -
>>
>>It shows 20 possible moves, all from TB's I am guessing.
>>
>>I cannot cut and paste the eval, because there isn't one, but I have:
>>
>>1.+ - (#4) Rf4
>>2.+ - (#4) Kd1
>>3.+ - (#4) Kd2
>>4.+ - (#4) Ke2
>>5.+ - (#4) Rf5
>>6.+ - (#4) Rf6
>>7.+ - (#4) Rf7
>>8.+ - (#4) Rf8
>>9.+ - (#4) Rhg1+
>>10.+ - (#4) Rh4
>>11.+ - (#4) Rh5
>>12.+ - (#4) Rh6
>>13.+ - (#4) Rh7
>>14.+ - (#4) Rh8
>>15.+ - (#5) g4
>>16.+ - (#5) Rh2+
>>17.+ - (#6) Rfg1+
>>18.+ - (#5) Rf2+
>>19.+ - (#10) Rh3
>>20.+ - (#11) Rf3
>>
>>_Several_ of these moves take castling into accout.
>>
>>After Rf4 Kxg3 my TB's show 28 moves.  The first move is 1. + - (#2) O-O, the
>>last is 28. + - (#15) Rh8.
>>
>>I am 100% sure TB's do indeed take castling into consideration.
>
>That's right.  They do.  Crafty doesn't care, though.

So TB's do include the castling positions, but Crafty doesn't take them into
account?

Define "..doesn't care.." for me.  :)



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