CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Critter 0.52b 32-bit in CCRL 40/15, 2021-05-08
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Critter 0.52b 32-bit has no rank with rating of 2772 Elo points (+30 -30),
based on 325 games: 87 wins, 81 losses and 157 draws
Score: 50.9%, Average opponent: −6.2, Draws: 48.3%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 1.6.3 32-bit                  2933   1.5-2.5   (+0 -1 =3 )    0.0  +101
 - Komodo 1.0 32-bit                       2867   7.0-15.0  (+3 -11=8 )    0.0   -22
 - Thinker 5.4d Inert 32-bit               2855   1.0-3.0   (+0 -2 =2 )    0.0   -59
 - Cyclone xTreme Fury                     2826   2.0-2.0   (+0 -0 =4 )    0.1   +54
 - Onno 1.1.1 64-bit                       2808   2.0-5.0   (+0 -3 =4 )    2.5   -82
 - Spark 0.3a 32-bit                       2798  23.0-29.0  (+12-18=22)    6.1    -8
 - Spark 0.3 32-bit                        2796  14.0-16.0  (+6 -8 =16)    7.5    +4
 - Protector 1.3.2 32-bit                  2794   3.0-3.0   (+0 -0 =6 )   11.4   +22
 - Fruit 2.3.1                             2785   8.5-9.5   (+3 -4 =11)   22.1     0
 - Bright 0.5c                             2777   9.0-13.0  (+4 -8 =10)   37.4   -52
 - Naraku 1.4                              2773   6.0-4.0   (+4 -2 =4 )   46.6   +59
 - Loop 13.6 (Loop 2007) 32-bit            2772   2.0-2.0   (+1 -1 =2 )   48.6     0
 - Glaurung 2.2 32-bit                     2754  11.5-6.5   (+8 -3 =7 )   82.6   +66
 - Ktulu 9                                 2752   2.5-1.5   (+1 -0 =3 )   88.9   +47
 - SmarThink 1.20 32-bit                   2746  11.5-10.5  (+6 -5 =11)   93.7    -9
 - Spike 1.2 Turin                         2744   7.5-3.5   (+5 -1 =5 )   96.0   +82
 - Junior 10                               2743   2.0-2.0   (+1 -1 =2 )   95.7   -39
 - Twisted Logic 20100131x 32-bit          2735   5.0-3.0   (+3 -1 =4 )   98.2   +36
 - Twisted Logic 20090922 32-bit           2729   5.0-2.0   (+5 -2 =0 )   99.1  +146
 - Bison 9.11 32-bit                       2727   3.0-4.0   (+2 -3 =2 )   99.6   -91
 - Chess Tiger 2007.1                      2703   3.0-1.0   (+2 -0 =2 )  100.0   +80
 - Crafty 23.2 32-bit                      2695   2.5-1.5   (+1 -0 =3 )  100.0   -17
 - Frenzee Feb08 32-bit                    2694   7.0-4.0   (+4 -1 =6 )  100.0    -1
 - Chessmaster 11 Aiglos II                2692   3.0-1.0   (+2 -0 =2 )  100.0   +69
 - Booot 4.15.0                            2692   7.0-4.0   (+5 -2 =4 )  100.0    +6
 - Delfi 5.4                               2689   1.0-3.0   (+0 -2 =2 )  100.0  -232
 - Crafty 23.1 32-bit                      2686   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - Chessmaster 11 Toxic                    2682   2.5-1.5   (+2 -1 =1 )  100.0    -7
 - Chessmaster 11 Leonidas                 2679   3.5-0.5   (+3 -0 =1 )  100.0  +195
 - BugChess2 1.6.4 32-bit                  2657   2.0-2.0   (+0 -0 =4 )  100.0  -115
 - Phalanx XXV                             2618   7.0-3.0   (+4 -0 =6 )  100.0   -42


Created in 2005-2013 by CCRL team
Last games added on May 8, 2021