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Subject: Re: What Ply Depths Were Typical at CCT6 [middlegame]?

Author: Bob Durrett

Date: 10:33:39 02/02/04

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On February 02, 2004 at 13:01:38, Tord Romstad wrote:

>On February 02, 2004 at 12:54:00, Bob Durrett wrote:
>
>>What Ply Depths Were Typical at CCT6 [middlegame]?
>>
>>When I do post-mortem analyses at home using one of the top engines, I typically
>>get a minimum of 15 ply [assuming the user can believe the data presented to the
>>user] and often much higher depths in some positions.
>>
>>In the CCT6 tournament, however, the games were very fast.  Perhaps 12 ply was
>>more typical for CCT6?
>>
>>Generally, the engines I play with do not find the best moves at 12 ply.  In
>>fact, I do not trust 12 ply data at all for analysis.
>>
>>That surely must make analysis of the CCT6 scoresheets more difficult.
>>
>>[P4 3 GHz, HASH = 1024 MB]
>
>Just like it doesn't make much sense to compare NPS figures between
>different engines, it doesn't make sense to compare ply depths.  Some
>engines search deep, narrow trees, while others search wide, bushy trees.
>This is in most cases unrelated to playing strength.
>
>Tord

OK.  That makes sense.  In fact, I already knew that.

Nevertheless, there still remains the question for specific engines.

Bob D.



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