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Subject: Re: avoid move position

Author: Mathieu Pagé

Date: 06:15:49 03/18/04

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On March 17, 2004 at 18:45:02, Mridul Muralidharan wrote:

>On March 17, 2004 at 12:42:08, Mathieu Pagé wrote:
>
>>On March 16, 2004 at 23:27:05, Jon Dart wrote:
>>
>>>From a game Amateur-Arasan:
>>>
>>>[D] r1br3k/1p3pp1/p1n1pn1p/2b1N3/Pq1P4/2N3B1/BP1Q1PPP/3RR1K1 b - -
>>>
>>>Nxe5 is the right capture .. avoid Rxd4.
>>
>>
>>My really weak engines never thought otherwise :
>>
>>              depth   time  score   variation
>>                1     0.11   3.00   c6e5
>>                1->   0.22   3.00   c6e5
>>                2->   0.32  -0.50   c6e5 d4c5
>>                3->   0.49   3.00   c6e5 g3e5 b4c3
>>                4->   0.63  -2.50   c6e5 g3e5 c5d4 e5d4
>>                5->   1.00   2.50   c6e5 g3e5 f6g8 e5g7 h8g7
>>                6->   2.54  -1.00   c6e5 g3e5 c5f8 a4a5 f6e8 e5g7
>>                7->  10.38   3.50   c6e5 g3e5 c5d4 a2e6 f7e6 e5d4 d8d4
>>                8->  79.58  -1.00   c6e5 g3e5 c5f8 a4a5 b4a5 b2b4 f8b4 e5f6
>>
>>Mathieu P.
>
>Such high score jumps for each ply ?
>You have a good QSearch right ?

A QSearch !!!

I said really weak :)

It is plain Alpha-Beta (with aspiration window) without ordering with an eval
that just evaluate the material.

but He found the right move in this position :)

Mathieu.



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