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Subject: Re: pmess at cct

Author: Mikael Bäckman

Date: 11:18:45 02/28/06

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On February 28, 2006 at 14:16:00, Mikael Bäckman wrote:

>On February 27, 2006 at 10:39:25, Mridul Muralidharan wrote:
>
>>R4 : Pmess vs Chepla
>>
>>I have been playing some sparring matches against chepla before cct and result
>>has been roughly equal (with chepla with its monster nps having a lead :-) ).
>>Chepla gets insane depths and nps ... though Riverman slowed it down with added
>>mobility seeing the way it was playing pre-cct (damn me for pointing this to him
>>:-) ).
>
>
>The 'insane depth' was caused by not using recap extensions, and using late-move
>pruning. That's 2-3 extra plies in most positions :).
>
>For CCT I removed late-move pruning as I can't get that to work at longer time
>controls. In tactical suites and in blitz games it's worth about 100 elo, but in
>longer games, I see no difference.
>I also put recap extension back in, which brought the depth back to the 'normal'
>12-13 ply in middlegames.
>

Small correction: It's called late-move reduction, not pruning.

/Mikael



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