CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Critter 1.2 32-bit in CCRL 40/40, 2018-04-21
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 1.2 32-bit has no rank with rating of 3056 Elo points (+16 -16),
based on 1252 games: 569 wins, 137 losses and 546 draws
Score: 67.3%, Average opponent: −115.1, Draws: 43.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 2.0c 32-bit                3103  27.5-40.5  (+13-26=29)    0.0   -12
 - Houdini 1.5a 32-bit                3090  13.5-24.5  (+3 -14=21)    0.1   -49
 - Laser 1.5 64-bit                   3068   7.5-12.5  (+2 -7 =11)   15.2   -60
 - Andscacs 0.85 64-bit               3062   5.0-5.0   (+3 -3 =4 )   32.8    +6
 - Nemorino 4.00 64-bit               3046   6.0-4.0   (+4 -2 =4 )   77.2   +56
 - ChessBrainVB 3.66                  3036   8.5-5.5   (+5 -2 =7 )   89.8   +42
 - SmarThink 1.98 64-bit              3032   7.0-7.0   (+3 -3 =8 )   95.8   -21
 - Komodo 4 32-bit                    3031  14.5-15.5  (+3 -4 =23)   98.4   -33
 - Rybka 4.1 32-bit                   3031  24.5-21.5  (+10-7 =29)   99.3    -7
 - Stockfish 2.1.1 32-bit             3028  36.5-24.5  (+19-7 =35)   99.4   +28
 - Komodo 3 32-bit                    3023  32.0-22.0  (+15-5 =34)   99.9   +18
 - Komodo 2.03 32-bit                 3006  26.5-15.5  (+16-5 =21)  100.0   +29
 - Fritz 13                           2962  21.0-9.0   (+15-3 =12)  100.0   +32
 - Naum 4.2 32-bit                    2959  30.5-15.5  (+22-7 =17)  100.0    +8
 - Deep Sjeng c't 2010                2942  32.5-17.5  (+22-7 =21)  100.0   -18
 - Shredder 12 32-bit                 2929  50.5-25.5  (+33-8 =35)  100.0   -25
 - Chiron 1.1a 32-bit                 2929  27.5-10.5  (+20-3 =15)  100.0   +16
 - Spike 1.4 Leiden                   2918  45.5-16.5  (+30-1 =31)  100.0    +4
 - Rybka 2.3.2a 32-bit                2912  25.0-5.0   (+20-0 =10)  100.0   +89
 - Deep Junior 12.5 32-bit            2908  29.0-13.0  (+20-4 =18)  100.0   -27
 - Hiarcs 13.2                        2899  29.0-13.0  (+18-2 =22)  100.0   -43
 - Gull 1.0a 32-bit                   2886  23.0-7.0   (+19-3 =8 )  100.0   +25
 - Fritz 12                           2886  26.0-8.0   (+19-1 =14)  100.0    +2
 - Protector 1.4.0 32-bit             2879  41.0-9.0   (+34-2 =14)  100.0   +55
 - Gull 1.2 32-bit                    2875  32.5-9.5   (+25-2 =15)  100.0    +3
 - Hannibal 1.1 32-bit                2873  33.0-9.0   (+26-2 =14)  100.0   +13
 - Spark 1.0 32-bit                   2865  32.0-13.0  (+23-4 =18)  100.0   -57
 - Thinker 5.4d Inert 32-bit          2856  37.5-8.5   (+30-1 =15)  100.0   +20
 - Booot 5.1.0                        2844  39.0-7.0   (+32-0 =14)  100.0   +37
 - Cyclone xTreme                     2824  24.5-5.5   (+20-1 =9 )  100.0    -5
 - MinkoChess 1.2 32-bit              2781  36.5-7.5   (+30-1 =13)  100.0   -39
 - Jonny 4.00                         2781   8.0-0.0   (+8 -0 =0 )  100.0  +INF
 - Scorpio 2.7 32-bit                 2749   6.0-2.0   (+4 -0 =4 )  100.0  -156
 - Chronos 1.9.9 32-bit               2739   3.5-0.5   (+3 -0 =1 )  100.0   -27


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018