CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Critter 0.40 32-bit in CCRL 40/40, 2017-11-18
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 0.40 32-bit has no rank with rating of 2575 Elo points (+32 -31),
based on 327 games: 112 wins, 103 losses and 112 draws
Score: 51.4%, Average opponent: −9.0, Draws: 34.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Twisted Logic 20090922 32-bit     2729   0.5-1.5   (+0 -1 =1 )    0.0   +11
 - Ktulu 8                           2704   0.5-1.5   (+0 -1 =1 )    0.0   -27
 - Booot 4.15.0                      2691   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Delfi 5.4                         2687   0.5-1.5   (+0 -1 =1 )    0.0   -30
 - Chess Tiger 2007                  2681   0.5-1.5   (+0 -1 =1 )    0.0   -50
 - Scorpio 1.91                      2661   0.5-1.5   (+0 -1 =1 )    0.0   -56
 - CM10th Xperience                  2660   1.0-1.0   (+1 -1 =0 )    0.0   +85
 - BugChess2 1.6.4 32-bit            2657   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Colossus 2008b                    2642   2.0-2.0   (+1 -1 =2 )    0.0   +67
 - Chronos 1.9.7                     2639   3.5-6.5   (+2 -5 =3 )    0.0   -44
 - CM10th Warrior                    2633   0.5-1.5   (+0 -1 =1 )    0.3   -84
 - Crafty 23.0 32-bit                2629   2.5-3.5   (+1 -2 =3 )    0.6    +8
 - WildCat 8                         2628   2.0-2.0   (+2 -2 =0 )    0.1   +53
 - BugChess2 1.6.3 32-bit            2619   1.0-3.0   (+0 -2 =2 )    0.9  -105
 - Hamsters 0.7.1                    2619   3.5-2.5   (+2 -1 =3 )    0.6   +96
 - Bison 9.6                         2618   0.5-1.5   (+0 -1 =1 )    1.7  -113
 - Bison 9.8 32-bit                  2614   2.0-2.0   (+1 -1 =2 )    4.8   +39
 - Dirty 24Apr2011 32-bit            2612   1.0-9.0   (+1 -9 =0 )    4.6  -386
 - Alaric 0702b                      2605   1.0-1.0   (+1 -1 =0 )    8.0   +30
 - Alfil 8.1.1                       2600   1.5-4.5   (+1 -4 =1 )    7.9  -175
 - Sloppy 0.2.2 32-bit               2598   1.0-3.0   (+0 -2 =2 )    9.6  -126
 - The Baron 2.23 32-bit             2594   2.0-2.0   (+0 -0 =4 )   15.6   +19
 - Pseudo 0.7c                       2590  14.0-18.0  (+9 -13=10)   19.8   -28
 - Jonny 2.83 32-bit                 2575  19.5-12.5  (+13-6 =13)   49.4   +66
 - Crafty 22.10 32-bit               2570   7.5-2.5   (+6 -1 =3 )   58.8  +165
 - Scorpio 2.2 32-bit                2568   5.0-3.0   (+4 -2 =2 )   62.4   +81
 - Rotor 0.5                         2564  23.5-15.5  (+18-10=11)   73.4   +59
 - Anaconda 2.0.1                    2554  18.5-13.5  (+13-8 =11)   84.9   +29
 - AnMon 5.75                        2531   3.0-5.0   (+1 -3 =4 )   99.3  -112
 - DanaSah 4.24                      2526   4.0-4.0   (+3 -3 =2 )   99.6   -42
 - GarboChess 2.20 32-bit            2522   5.0-3.0   (+2 -0 =6 )   99.8   +14
 - Brutus 7.02b                      2513   2.5-5.5   (+1 -4 =3 )  100.0  -186
 - Hermann 2.4 32-bit                2501   5.0-3.0   (+3 -1 =4 )  100.0     0
 - Arasan 11.3 32-bit                2498   6.5-3.5   (+5 -2 =3 )   99.9   +23
 - N2 0.1                            2488   3.0-1.0   (+3 -1 =0 )  100.0  +147
 - Arasan 11.4 32-bit                2481   5.0-3.0   (+3 -1 =4 )  100.0   -20
 - Anatoli 0.35k                     2479   6.0-2.0   (+6 -2 =0 )  100.0  +130
 - Cerebro 3.03d                     2478   5.0-3.0   (+4 -2 =2 )  100.0    -8
 - BBChess 1.3b                      2478   5.0-3.0   (+3 -1 =4 )  100.0   -13
 - Philou 3.0.0                      2454   2.5-1.5   (+2 -1 =1 )  100.0   -35


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017