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Subject: Re: penalty for opening H file of opponent when white and castled kingside

Author: Robert Hyatt

Date: 15:18:25 10/03/00

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On October 03, 2000 at 12:34:11, Uri Blass wrote:

>On October 03, 2000 at 11:58:05, Robert Hyatt wrote:
>
>>On October 02, 2000 at 13:54:23, Mike Adams wrote:
>>
>>>The move that my freind said crafty considered was the pawn takes knight move
>>>toward the end.  Knight takes bishop earlier wreked the positon and i dont think
>>>pulsar would get itself into that kind of postion again with the current
>>>evaluate.
>>
>>
>>taking the knight isn't particularly bad.  NxB opens a file against your own
>>king.  PxN (I assume that is the knight you are talking about taking) is a
>>reasonable move for white.  He wants that open file.
>
>Mike did not mean to that knight.
>
>He meant to taking the knight by gxf3 in the following line
>
>[D]r1bq1rk1/ppp2p2/2n4p/3pP1pn/3P4/2P2NB1/P1P1B1PP/R2QK2R b KQ - 0 14
>
>Nxg3 hxg3 g4???? Qd2 gxf3????
>
>avoiding gxf3 is a simple tactics.
>Crafty17.11 can see at depth 7 that gxf3 is bad.
>
>The bigger problem is to avoid g4 and crafty17.11 needs depth 9 for it.
>
>Fritz5.32 can avoid gxf3 at depth 5 and it can avoid g4 also at depth 5.
>
>Hiarcs4 can avoid gxf3 at depth 3.
>Faile 1.4.4 can avoid gxf3 at depth 6.
>CometB02 can avoid gxf3 at depth 5.
>
>All these programs that are not the best programs need few seconds or less than
>1 second on a slow hardware to avoid gxf3.
>
>I think that you need to improve the tactical ability of your program and
>working on positional knowledge is less important.
>
>Chess is a tactical game.
>
>Uri


Yes... but the tactical ability improves automatically.  You should try it on
my quad xeon.  It fries tactical things there.  :)



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