The purpose of our rating lists is provide engine authors and enthusiasts with a general comparison of engine strength. We also provide other data that could be of interest.
For various reasons, there may be some engines that do not appear on our lists, therefore it is useful to look at other rating lists as well as ours.
The inclusion or exclusion of engines in our lists should not be taken as our group making a statement about their legality or status. However, where there is controversy surrounding an engine in our lists, we have indicated this.
We test chess engines for our own enjoyment and receive no payment for doing so.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.live/
(40/4)http://www.computerchess.org.uk/ccrl/404FRC/
(FRC 40/4)Please note that the three lists are often updated separately to each other.
The links given in each update report will give you the currently up to date lists.
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, but you will need to remove the .live from the links if you wish to access these (for example http://computerchess.org.uk/ccrl/4040 ). 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.
40/40 games submitted this week - Code:
-
Abrok 5.0 -> 8
Adam 3.3 -> 36
Aice 0.99.2 -> 24
Alaric 0702b -> 4
Alex 2.14a 32-bit -> 8
Alex 2.14a 64-bit -> 216
AliChess 4.25 -> 12
AnMon 5.60 -> 6
Arasan 10.2 -> 2
Arasan 10.4 -> 4
Arasan 13.1 32-bit -> 37
Ares 1.004 -> 32
Aristarch 4.50 -> 15
Atak 6.8 -> 36
Atlas 3.14b 32-bit -> 45
Bagatur 1.2 32-bit -> 22
Bearded 06_29_02 -> 22
Beowulf 2.4a 32-bit -> 12
Betsabe II 1.08c -> 12
Bison 9.11 -> 7
Bobcat 2.75 32-bit -> 23
Booot 5.1.0 -> 32
Bright 0.2c -> 3
Bright 0.5c -> 12
Brutus 7.02b -> 11
BugChess2 1.9 32-bit -> 7
Butcher 1.61 32-bit -> 8
CM10th Default -> 23
CM10th Warrior -> 15
Carballo 0.5 32-bit -> 22
Chaturanga 2.4.3 -> 8
Cheng3 1.04 32-bit -> 94
Chesley r323 -> 22
Chess Tiger 15 -> 7
Chess Tiger 2007 -> 2
Chess Tiger 2007.1 -> 7
ChessKiss 1.3 -> 22
Chessmaster 11 Archangel -> 7
Chessmaster 11 Conqueror -> 7
Chronos 1.9.9 32-bit -> 25
Crafty 23.1 32-bit -> 2
Crafty 23.4 32-bit -> 8
Critter 1.2 32-bit -> 18
Critter 1.2 64-bit -> 16
Critter 1.2 64-bit SSE -> 81
CuckooChess 1.11 -> 15
DanaSah 4.66 -> 28
Daydreamer 1.5 -> 8
Deep Junior 12.5 32-bit 1CPU -> 8
Deep Sjeng c't 2010 -> 8
Delfi 5.4 -> 7
Delphil 2.7 -> 24
Delphil 2.8 -> 21
Deuterium 11.01.28.159 -> 25
Diablo 0.5.1 -> 24
Dirty 0.99n -> 4
Dirty 24Apr2011 32-bit -> 1
Dirty 25Aug2011 32-bit -> 2
Dirty 6J-22 -> 6
Dolphin 1.0 -> 12
Dorky 4.3 32-bit -> 8
DoubleCheck 1.4 32-bit -> 22
ECE 11.01 -> 36
Eeyore 1.52 -> 8
FireFly 2.5.13 32-bit -> 22
Flux 2.2 -> 24
Frenzee 3.0 -> 2
Frenzee Feb08 32-bit -> 7
Gandalf 6 -> 16
GarboChess 3.0 32-bit -> 14
Gaviota 0.74.41 32-bit -> 8
Gaviota 0.83 32-bit -> 27
Ghost 2.0.1 -> 8
Gibbon 2.42c -> 24
Glass 1.7 32-bit -> 22
Glaurung 1.0.2 32-bit -> 8
GreKo 8.2 32-bit -> 1
Gull 1.0a 32-bit -> 13
Gull 1.1 64-bit -> 16
Gull 1.2 32-bit -> 30
Gull 1.2 64-bit -> 16
Hannibal 1.1 32-bit -> 30
Hermann 2.8 64-bit -> 24
Hiarcs 13.2 -> 8
Hiarcs 9 -> 6
Houdini 1.5a 64-bit SSE -> 47
Houdini 2.0 32-bit -> 180
Houdini 2.0 64-bit -> 192
Houdini 2.0 64-bit SSE -> 106
Ifrit j4.4 -> 22
Jazz 444 32-bit -> 22
Jonny 4.00 -> 12
KMTChess 1.2.1 32-bit -> 22
KMTChess 1.2.1 64-bit -> 24
Kiwi 0.6d -> 24
KnockOut 0.7.1 -> 22
Komodo 2.03 64-bit -> 48
Komodo 3 32-bit -> 17
Komodo 3 64-bit -> 16
Ktulu 8 -> 2
Ktulu 9 -> 7
Kurt 0.9.2 32-bit -> 22
Kurt 0.9.2.2 64-bit -> 23
Loop 13.6 (Loop 2007) 32-bit -> 7
Movei 00.8.295 -> 10
Myrddin 0.85 32-bit -> 12
NagaSkaki 5.12 -> 24
Naraku 1.4 -> 10
Naum 1.91 32-bit -> 10
Naum 4.2 32-bit -> 8
Naum 4.2 64-bit -> 52
Neurosis 2.5 -> 24
OBender 3.2.4.2 -> 24
OliThink 5.3.0 -> 12
Onno 1.2.70 32-bit -> 12
Pawny 0.2.2 32-bit -> 45
Philou 3.60 -> 16
Plisk 0.2.7d 32-bit -> 8
Pro Deo 1.1 -> 1
Protector 1.4.0 32-bit -> 30
Protector 1.4.0 64-bit -> 16
RattateChess 1.0 Nosferatu -> 12
RedQueen 1.0.0 32-bit -> 71
Rodin 4.0 -> 15
Rotor 0.6 -> 15
Rybka 2.3.2a 32-bit -> 10
Rybka 4.1 32-bit -> 9
Rybka 4.1 64-bit -> 99
Sage 3.53 -> 24
Scorpio 1.9 -> 5
Scorpio 2.0 -> 2
Scorpio 2.7 32-bit -> 7
Shredder 12 32-bit OA Off -> 10
Shredder 12 32-bit OA On -> 11
Shredder 12 64-bit OA On -> 16
Simplex 0.9.7 32-bit -> 8
Sjakk 1.1.8 -> 12
Slow Chess Blitz WV2 -> 10
SmarThink 1.00 32-bit -> 2
SmarThink 1.20 32-bit -> 7
Sorgenkind 0.4 -> 24
Spark 1.0 32-bit -> 30
Spark 1.0 64-bit -> 16
Spike 1.4 Leiden -> 34
Stockfish 2.1.1 32-bit -> 16
Stockfish 2.1.1 64-bit -> 63
Sungorus 1.4 32-bit -> 8
TJchess 1.01 -> 31
Thinker 5.4D Inert 32-bit -> 32
Toga II 3.1.2SE -> 12
Tornado 2.2 -> 3
Tornado 4.4 32-bit -> 7
Trace 1.35 -> 8
Twisted Logic 0.085 -> 4
Twisted Logic 20071202x -> 9
Twisted Logic 20100131x 32-bit -> 7
Tytan 9.3 -> 24
Umko 1.2 32-bit -> 20
Waxman 2010 -> 8
Zappa Mexico II 32-bit -> 12
Zappa Mexico II 64-bit -> 16
iCE 0.2 -> 275
40/4 games submitted this week - Code:
-
ALChess 1.5b -> 25
Abrok 5.0 -> 63
Adam 3.3 -> 30
Adamant 1.7 -> 30
Aice 0.99.2 -> 32
AjedrezTatico 2.73b -> 1029
Alarm 0.93.1 -> 64
Aldebaran 0.7.0 -> 32
Alf 1.09 -> 32
AliChess 4.25 -> 31
Amateur 2.82 -> 51
Amy 0.8.7b DC -> 63
Anechka 0.08 -> 30
Ares 1.004 -> 453
Asterisk 0.6 -> 9
Averno 0.81 -> 25
Ayito 0.2.994 -> 31
BBChess 1.3b 64-bit 2CPU -> 32
Bace 0.45 -> 96
Beaches 2.32 -> 32
Bearded 06-29 -> 64
Belzebub 0.67 -> 30
Bestia 0.90 -> 64
BigLion 2.23x -> 128
BikJump 2.01 64-bit -> 32
BlackBishop 1.0 -> 96
Bodo 0.2b -> 32
Brutus 8.05 64-bit 2CPU -> 32
Cecir 3.5 -> 64
Cerebro 3.03d -> 64
ChessKISS 1.3 -> 339
ChessKISS 1.3a 64-bit -> 316
ChessMind 0.80 -> 95
Chispa 4.0.3 -> 32
Clueless V1.4 -> 32
Comet B50 -> 32
Counter 1.2 -> 32
Crazy Bishop 0052 -> 32
Critter 1.2 64-bit 4CPU -> 28
DChess 1.0.2 -> 32
Dabbaba 2.62 -> 32
Deep Junior 12.5 64-bit 4CPU -> 28
Deep Shredder 12 64-bit OA On 4CPU -> 27
Deep Sjeng 3.0 64-bit 4CPU -> 28
Deep Sjeng WC2008 64-bit 4CPU -> 28
Der Bringer 1.9 -> 64
Diablo 0.5.1 -> 64
Djinn 0.925x -> 32
Dragon 4.6 -> 63
EXchess 4.03 -> 31
Eeyore 1.52 64-bit -> 958
Elf 1.3.0 -> 32
Embracer 1.12 -> 32
Esc 1.16 -> 32
EveAnn 1.66 -> 26
Feuerstein 0.4.6.1 -> 32
Fortress 1.62 -> 96
Gaia 3.5 64-bit -> 32
Gandalf 6 -> 32
Gerbil 0.2 64-bit -> 32
Glass 1.7 64-bit -> 160
Gosu 0.16 -> 32
Green Light Chess 3.01.2.2 -> 32
Hiarcs 13.1 4CPU -> 28
Hiarcs 13.2 4CPU -> 28
Homer 2.01 -> 62
Horizon 4.4 -> 63
Houdini 1.5a 64-bit 4CPU -> 28
Houdini 2.0 64-bit 4CPU -> 555
Hussar 0.4 -> 32
Jazz 444 64-bit -> 31
Joker 1.1.14 -> 32
King of Kings 2.56 -> 64
Kiwi 0.6d 64-bit -> 64
KnockOut 0.7.1 32-bit -> 63
Komodo 3 64-bit -> 27
LambChop 10.99 -> 32
Larsen VB 0.05.0001 -> 4
Laurifer 1.0 -> 29
Leila 0.53h -> 64
Little Goliath Evolution 3.12 -> 32
LittleThought 1.052 64-bit -> 31
MSCP 1.44 -> 4
Marvin 1.3.0 -> 64
Matheus 2.3 -> 64
Micro-Max 4.8 -> 61
MiniMardi 1.3 -> 4
Mizar 3.0 -> 32
Monarch 1.7 -> 30
Monik 2.2.3 64-bit -> 62
Morphy 3.22 -> 32
Movei 00.8.438 (10 10 10) -> 32
Muse 0.899b -> 63
Myrddin 0.85 64-bit -> 31
NagaSkaki 5.12 -> 32
NanoSzachy 3.8 -> 32
Natwarlal 0.14 -> 61
Naum 4.2 64-bit 4CPU -> 27
Needle 0.531 -> 4
Nejmet 3.07 -> 64
OBender 3.2.x -> 32
Onno 1.2.70 64-bit 4CPU -> 28
Patzer 3.80 -> 64
Pepito 1.59 32-bit -> 32
Piranha 0.5 -> 4
Plisk 0.2.7d 64-bit -> 31
PolarChess 1.3 -> 30
Predateur 2.1 64-bit -> 32
Protector 1.4.0 64-bit 4CPU -> 28
Purple Haze 2.0 -> 4
Quark 2.35 -> 32
Robin 0.983 -> 31
Roce 0.0390 -> 32
Rocinante 1.01 64-bit -> 3
RomiChess P3k 64-bit -> 32
Rybka 4 64-bit 4CPU -> 28
Rybka 4.1 64-bit 4CPU -> 27
SEE 0.6.9 -> 32
Sage 3.53 -> 64
Simontacchi 1.81 -> 54
Simplex 0.9.7 64-bit -> 30
Sjeng 12.13 -> 64
Smash 1.0.3 -> 64
SnailChess 4.013 -> 32
Snitch 1.6.2 32-bit -> 32
Soldat 0.25b -> 32
Spark 1.0 64-bit 4CPU -> 28
Spike 1.4 Leiden 4CPU -> 27
Stockfish 2.1.1 64-bit 4CPU -> 28
Storm 0.6 -> 30
Sungorus 1.4 64-bit -> 32
Surprise 4.3b13 -> 32
TJchess 1.01 -> 28
Tao 5.6 -> 32
The Baron 2.23 64-bit -> 32
Thinker 5.4c Inert 64-bit 4CPU -> 28
Toga II 1.4 beta5c 4CPU -> 28
Trace 1.37a -> 32
Tscp 1.81 -> 128
Warrior 1.0.3 -> 64
Waxman 2010 -> 29
WildCat 8 -> 32
Wing 2.0a -> 32
Xpdnt 091007 -> 30
Yace 0.99.87 -> 32
ZCT 0.3.2500 64-bit -> 727
Zappa Mexico II 64-bit 4CPU -> 28
Zeus 1.29 -> 31
Zotron 4.4.6 -> 4
iCE 0.2 -> 953
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Thema: CCRL rating lists updated (24th September 2011) 
Sa Sep 24, 2011 11:55 am