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Subject: CCRL 40/40 AMD64 3800+ Ratings List Update

Author: Ray Banks

Date: 07:25:59 02/12/06


The second update of the CCRL group ratings list is now available at the
following link:

http://kd.lab.nig.ac.jp/chess/CCRL-4040/

This week, Chess Tiger 15 enters "Best versions" and "Pure lists" as it has
passed the 150 games threshold.

A detailed pairwise results page has been added, accessible by simply clicking
on the engine names in blue in the rating list.

To re-cap, there is a best versions list, an all versions list and a pure list
that removes rating distortions.

The usual comprehensive stats tables are available for your interest at the
above link including:
- pairwise results
- game length statistics
- engine correlation statistics (expected move table, evaluation difference
table, engine distance table).


As mentioned last week, we have opened a CCRL discussion board where anyone can
make comments or suggestions for testing directly to us, although to date this
forum seems to be preferred by most and of course we check here regularly
anyway.

http://kd.lab.nig.ac.jp/chess/discussion-board/viewforum.php?f=7

We continue to work hard in the background. The 40/40 repeating AMD64 3800+ time
control that we have adopted is quite long, and thus progress is modest rather
than spectacular.

Currently under test we have Spike 1.1, Naum 1.91 both 32 and 64 bit versions,
plus others in the Amateur championship Graham is running.

Thanks as usual to all testers.



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