CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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Critter 0.60 64-bit in CCRL 40/40, 2018-01-20
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 0.60 64-bit has no rank with rating of 2837 Elo points (+26 -26),
based on 480 games: 122 wins, 169 losses and 189 draws
Score: 45.1%, Average opponent: +32.8, Draws: 39.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3050   5.5-18.5  (+1 -14=9 )    0.0   +32
 - Rybka 3 Dynamic 64-bit             3021   0.5-3.5   (+0 -3 =1 )    0.0  -103
 - Stockfish 1.7.1 64-bit             3012   6.0-19.0  (+0 -13=12)    0.0   +14
 - Naum 4.2 64-bit                    2980   5.5-18.5  (+2 -15=7 )    0.0   -46
 - Stockfish 1.6.3 64-bit             2967   6.5-17.5  (+2 -13=9 )    0.0   -23
 - Rybka 2.3.2a 64-bit                2964   1.0-1.0   (+1 -1 =0 )    0.0  +127
 - Komodo 1.2 64-bit                  2950   8.0-16.0  (+3 -11=10)    0.0   +10
 - Deep Shredder 12 64-bit            2943   0.5-2.5   (+0 -2 =1 )    0.0  -121
 - Shredder 12 32-bit                 2931   6.0-18.0  (+2 -14=8 )    0.0   -74
 - Komodo 1.0 64-bit                  2924   9.0-16.0  (+3 -10=12)    0.0     0
 - Thinker 5.4d Inert 64-bit          2865  13.0-13.0  (+7 -7 =12)    3.6   +26
 - Protector 1.3.3 64-bit             2844  13.0-11.0  (+8 -6 =10)   36.4   +32
 - Protector 1.3.4 64-bit             2841  12.5-16.5  (+6 -10=13)   39.8   -39
 - Deep Sjeng WC2008 64-bit           2837  12.5-11.5  (+8 -7 =9 )   50.6   +12
 - Spark 0.3 64-bit                   2836  11.0-14.0  (+6 -9 =10)   51.8   -36
 - Deep Junior 11.2 64-bit            2830   9.0-15.0  (+4 -10=10)   65.0   -84
 - Grapefruit 1.0 32-bit              2827   0.5-0.5   (+0 -0 =1 )   76.0   +20
 - Deep Junior 11.1a 64-bit           2824  17.0-11.0  (+14-8 =6 )   77.4   +66
 - Loop 13.6 (Loop 2007) 64-bit       2787  16.0-8.0   (+11-3 =10)   99.9   +51
 - Scorpio 2.7.6 64-bit               2782   6.5-3.5   (+5 -2 =3 )  100.0   +49
 - Bright 0.5c                        2779   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Dirty 20Apr2013 64-bit             2770  11.0-9.0   (+8 -6 =6 )  100.0   -30
 - Twisted Logic 20100131x 64-bit     2767   1.0-1.0   (+1 -1 =0 )  100.0   -70
 - Zurichess Jura 64-bit              2765   6.0-4.0   (+3 -1 =6 )  100.0   -23
 - DiscoCheck 4.3 64-bit              2759   6.5-3.5   (+4 -1 =5 )  100.0    +8
 - GNU Chess 5.50 64-bit              2758   6.5-3.5   (+5 -2 =3 )  100.0   +21
 - Spike 1.2 Turin                    2746   0.5-0.5   (+0 -0 =1 )  100.0   -60
 - EXchess 7.11b 64-bit               2743   7.0-3.0   (+4 -0 =6 )  100.0   +17
 - Octochess r5132 64-bit             2729   8.0-2.0   (+6 -0 =4 )  100.0   +86
 - Bison 9.11 32-bit                  2728   1.5-0.5   (+1 -0 =1 )  100.0   +48
 - Arasan 16.0 64-bit                 2711   8.0-2.0   (+6 -0 =4 )  100.0   +68


Created in 2005-2013 by CCRL team
Last games added on January 20, 2018