The latest CCRL Rating Lists and Statistics are available for viewing from the following links:
http://computerchess.org.uk/ccrl/4040/ (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 40/40 and 40/4 lists are updated once every two weeks and alternately to each other. The FRC list is updated when a new engine or engine version is being/has been tested.

The links to the various rating lists can be found just beneath the default Best Versions list (as in this screenshot). Specific 32-bit rating lists are denoted as such to the right of the default list in each category. The default lists contain the 64-bit engines.



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

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. The download databases by month or ECO code are only updated monthly, but the total games database in its entirety is always available.
The current ELO ratings are 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.


Games submitted for this update
Octochess r4984 64-bit -> 702
OliThink 5.3.2 64-bit -> 568
Sjakk 2.0 -> 318
Hannibal 1.3 64-bit 2CPU -> 254
Djinn 0.979 64-bit -> 239
Rotor 0.8 -> 230
Dirty 05Sep2012 64-bit -> 229
Crafty 23.5 64-bit -> 228
GNU Chess 5.07.173b 64-bit -> 228
Arasan 15.2 64-bit -> 228
Scorpio 2.75 64-bit -> 227
Philou 3.71 64-bit -> 227
Cheng3 1.07 64-bit -> 227
Rodent 1.0 64-bit -> 226
Gaviota 0.86 64-bit -> 226
RedQueen 1.1.3 64-bit -> 226
Bobcat 3.25 64-bit -> 225
Glass 2.0 64-bit -> 225
Deuterium 12.01.30.1070 64-bit -> 225
Nebula 2.0 64-bit -> 224
DiscoCheck 4.1 64-bit -> 219
DiscoCheck 4.0.3 64-bit -> 217
EXchess 7.01b 64-bit -> 216
ProDeo 1.85 -> 213
ProDeo 1.82 -> 207
EXchess 7.03b 64-bit -> 206
Godel 2.3.7 64-bit -> 181
Texel 1.01 64-bit -> 93
Crafty 23.4 64-bit -> 64
RomiChess P3L 64-bit -> 52
pikoSzachy 4.0 -> 50
Ifrit m1.8 64-bit -> 47
Myrddin 0.86 64-bit -> 47
E.T. Chess 13.01.08 -> 32
Amy 0.8.7b DC -> 32
Slow Chess Blitz WV2.1 -> 32
Der Bringer 1.9 -> 32
Rotor 0.7a -> 32
Colossus 2008b -> 32
Leila 0.53h -> 32
Capture R01 -> 32
Ktulu 9.0 -> 32
Sloppy 0.2.2 64-bit -> 32
Muse 0.899b -> 32
Jonny 4.00 2CPU -> 32
WildCat 8 -> 32
Fritz 13 -> 32
Gandalf 6 -> 32
Twisted Logic 20090922 64-bit -> 32
Movei 00.8.438 (10 10 10) -> 32
Gaviota 0.86 64-bit 2CPU -> 32
Phalanx XXIII -> 32
Frenzee 3.5.19 64-bit -> 32
MinkoChess 1.2 64-bit -> 32
Jonny 4.00 -> 32
Nebula 1.0 64-bit -> 31
Gosu 0.16 -> 31
Booot 5.1.0 -> 31
Loop 13.6 (Loop 2007) 64-bit 2CPU -> 31
Terra 3.4 -> 30
Crazy Bishop 0052 -> 30
Dragon 4.6 -> 29
Simplex 0.9.8 64-bit -> 29
Patzer 3.80 -> 29
Comet B50 -> 23
Rodin 5.1 -> 19
GreKo 10.0 64-bit -> 18
Jazz 721 64-bit -> 18
Hussar 0.4 -> 18
Mephisto Gideon Professional -> 17
Tucano 1.04 -> 17
Pawny 0.3.1 64-bit -> 17
iCE 0.3 -> 16
Murka 2 64-bit -> 12
Cheese 1.4 64-bit -> 10
Atlas 3.25 64-bit -> 10
Eeyore 1.52 64-bit -> 10
DanaSah 5.00 -> 10
Delphil 2.9g 64-bit -> 10
NanoSzachy 4.0 64-bit -> 10
Dorky 4.3 64-bit -> 10