CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Critter 0.52 32-bit in CCRL 40/40, 2018-02-17
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 0.52 32-bit has no rank with rating of 2735 Elo points (+32 -32),
based on 306 games: 77 wins, 92 losses and 137 draws
Score: 47.5%, Average opponent: +15.7, Draws: 44.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 1.6.3 32-bit             2934   1.0-3.0   (+0 -2 =2 )    0.0   +49
 - Komodo 1.0 32-bit                  2867  13.5-20.5  (+5 -12=17)    0.0   +67
 - Thinker 5.4d Inert 32-bit          2857   0.5-3.5   (+0 -3 =1 )    0.0  -160
 - Grapefruit 1.0 32-bit              2827   1.0-3.0   (+0 -2 =2 )    0.0   -64
 - Onno 1.1.1 64-bit                  2811  10.0-10.0  (+7 -7 =6 )    0.0   +71
 - Spark 0.3a 32-bit                  2800   2.5-1.5   (+1 -0 =3 )    0.0  +132
 - Protector 1.3.2 32-bit             2798   3.0-3.0   (+1 -1 =4 )    0.1   +56
 - Bright 0.5c                        2779  14.0-18.0  (+7 -11=14)    0.5    +4
 - Loop 13.6 (Loop 2007) 32-bit       2774   1.5-0.5   (+1 -0 =1 )    1.0  +195
 - Ktulu 9                            2754   2.0-1.0   (+1 -0 =2 )   14.4  +114
 - SmarThink 1.20 32-bit              2748   1.0-1.0   (+0 -0 =2 )   24.9   +13
 - Spike 1.2 Turin                    2746   9.0-15.0  (+0 -6 =18)   25.3   -55
 - Junior 10                          2744   1.0-2.0   (+1 -2 =0 )   30.1  -124
 - Twisted Logic 20100131x 32-bit     2739   1.0-2.0   (+0 -1 =2 )   41.4   -91
 - Twisted Logic 20090922 32-bit      2730  12.0-16.0  (+7 -11=10)   61.0   -52
 - Bison 9.11 32-bit                  2728  12.5-8.5   (+7 -3 =11)   66.0   +50
 - Tucano 6.00 64-bit                 2724   3.5-6.5   (+2 -5 =3 )   72.7  -114
 - Chess Tiger 2007.1                 2704   1.0-1.0   (+0 -0 =2 )   96.6   -31
 - Chessmaster 11 Aiglos II           2701   1.5-1.5   (+1 -1 =1 )   96.4   -19
 - Frenzee Feb08 32-bit               2695  15.0-10.0  (+12-7 =6 )   99.0   +31
 - Booot 4.15.0                       2692  14.0-11.0  (+10-7 =8 )   99.4    +1
 - Delfi 5.4                          2687   2.5-1.5   (+1 -0 =3 )   99.7   +11
 - Bobcat 3.25 32-bit                 2685   5.0-5.0   (+3 -3 =4 )   98.8   -54
 - Crafty 23.1 32-bit                 2684   2.0-2.0   (+1 -1 =2 )   99.7   -51
 - Cheese 1.8 64-bit                  2683   3.0-5.0   (+2 -4 =2 )   99.7  -147
 - Chessmaster 11 Leonidas            2681   1.0-1.0   (+0 -0 =2 )   99.7   -54
 - Chessmaster 11 Toxic               2677   3.0-0.0   (+3 -0 =0 )   99.9  +INF
 - ChessBrainVB 2.05                  2668   4.0-2.0   (+2 -0 =4 )  100.0   +16
 - RedQueen 1.1.98 64-bit             2662   4.5-5.5   (+2 -3 =5 )  100.0  -104


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018