CCRL rating lists updated (29th May 2009)

[Graham Banks]

The latest CCRL Rating Lists and Statistics are available for viewing from the following links:
http://computerchess.org.uk/ccrl/4040.live/ (40/40)
http://www.computerchess.org.uk/ccrl/404/ (40/4)
http://www.computerchess.org.uk/ccrl/404FRC/ (FRC 40/4)

Please note that the three lists are updated separately to each other.
The live link will no longer necessarily give you the most updated lists. The links given in each update report will be the ones to use.

The links to the various rating lists can be found just beneath the default Best Versions list.
For example there is a 32-bit Single CPU list.

Our 40 moves in 40 minutes repeating and 40 moves in 4 minutes repeating are both adjusted to the AMD64 X2 4600+ (2.4GHz).

Currently active testers are:
Graham Banks, Ray Banks, Shaun Brewer, Kirill Kryukov, Dom Leste, Denis Mendoza, Wassim Saeed, Charles Smith, George Speight and Gabor Szots.

Be aware that in the early stages of testing, an engine's rating can often fluctuate a lot.
It is strongly advised to look at the many other rating lists available in order to get a more accurate overall picture of an engine's rating relative to others.

The LOS (likelihood of superiority) stats to the right hand side of each rating list tell you the likelihood in percentage terms of each engine being superior to the engine directly below them.

All games are available for download by engine, by month or by ECO code.
ELO ratings are now saved in all game databases for those engines that have 200 games or more.

Clicking on an engine name will give details as to opponents played plus homepage links where applicable.

Custom lists of engines can be selected for comparison.

An openings report page lists the number of games played by ECO codes with draw percentage and White win percentage. Clicking on a column heading will sort the list by that column.

If you are interested in joining the CCRL testing group, please sign up to our forum and contact one of us. Please be aware that for our own protection, we will only consider accepting testers who are either well known to the computer chess community or can have somebody well known vouch for their authenticity.

[mcostalba]

Hi Graham,

just one question. What is Stockfish 1.3.1a ?

For what I know Jim has build Stockfish 1.3 and Stockfish 1.3.1.

Did you compile a version yourself ?

Thanks for testing
Marco

[Graham Banks]

Hi Graham,

just one question. What is Stockfish 1.3.1a ?

For what I know Jim has build Stockfish 1.3 and Stockfish 1.3.1.

Did you compile a version yourself ?

Thanks for testing
Marco

Hi Marco,

It could well be a typo. I'll ask Shaun.

Cheers,
Graham.

[Dr.Wael Deeb]

Hi Graham,

just one question. What is Stockfish 1.3.1a ?

For what I know Jim has build Stockfish 1.3 and Stockfish 1.3.1.

Did you compile a version yourself ?

Thanks for testing
Marco

Hi Marco,

It could well be a typo. I'll ask Shaun.

Cheers,
Graham.

Must be
Dr.D

[Spock]

I'm not so sure, I think I recall seeing this version somewhere - some sort of bug fix to enable use of Glaurung's book or something ? Not that this matters for CCRL testing

[Dr.Wael Deeb]

I'm not so sure, I think I recall seeing this version somewhere - some sort of bug fix to enable use of Glaurung's book or something ? Not that this matters for CCRL testing

The 1.3.1 was the opening book bug fix from 1.3....1.3.1a,this I don't recall to remember....
Dr.D

[mcostalba]

I'm not so sure, I think I recall seeing this version somewhere - some sort of bug fix to enable use of Glaurung's book or something ? Not that this matters for CCRL testing

Perhaps 1.1a it was en experimental version. It was the only release with alphabetic letter numbering.