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

Options
Show each game results
Critter 0.90 64-bit 4CPU 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 0.90 64-bit 4CPU has no rank with rating of 3085 Elo points (+31 -31),
based on 316 games: 77 wins, 92 losses and 147 draws
Score: 47.6%, Average opponent: +13.4, Draws: 46.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit 4CPU          3193  13.0-36.0  (+4 -27=18)    0.0   -45
 - Rybka 4 64-bit 4CPU               3155  13.5-20.5  (+6 -13=15)    0.0    +6
 - Sting SF 4.8.4 64-bit 4CPU        3140   0.5-1.5   (+0 -1 =1 )    0.6   -86
 - Stockfish 2.0.1 64-bit 4CPU       3134  29.0-34.0  (+12-17=34)    0.4   +26
 - Hannibal 1.5 64-bit 4CPU          3118   0.0-2.0   (+0 -2 =0 )    3.8  -INF
 - Stockfish 1.9.1 64-bit 4CPU       3116  14.5-19.5  (+4 -9 =21)    5.1   -10
 - Naum 4.6 64-bit 4CPU              3104   0.5-1.5   (+0 -1 =1 )   14.5  -123
 - Texel 1.05 64-bit 4CPU            3093   1.5-0.5   (+1 -0 =1 )   33.6  +150
 - Chiron 2 64-bit 4CPU              3093   1.0-1.0   (+1 -1 =0 )   31.6    +8
 - Protector 1.7.0 64-bit 4CPU       3083   0.5-1.5   (+0 -1 =1 )   53.8  -158
 - Naum 4.2 64-bit 4CPU              3068  19.0-19.0  (+7 -7 =24)   85.0   -17
 - NirvanaChess 2.0a 64-bit 4CPU     3064   2.0-0.0   (+2 -0 =0 )   82.5  +INF
 - Hiarcs 14 4CPU                    3061   0.5-1.5   (+0 -1 =1 )   91.3  -166
 - Deep Junior Yokohama 64-bit 4CPU  3033   1.0-1.0   (+1 -1 =0 )   99.8   -52
 - Senpai 1.0 64-bit 4CPU            3032   2.0-0.0   (+2 -0 =0 )   99.8  +INF
 - Spike 1.4 Leiden 4CPU             3024   0.5-1.5   (+0 -1 =1 )  100.0  -217
 - Deep Shredder 12 64-bit 4CPU      3024  24.0-12.0  (+18-6 =12)  100.0   +51
 - Rybka 2.3.2a 64-bit 4CPU          3021   1.0-1.0   (+0 -0 =2 )  100.0   -64
 - Cheng4 0.38 64-bit 4CPU           2987   1.0-1.0   (+1 -1 =0 )  100.0   -98
 - Protector 1.3.6 64-bit 4CPU       2968  24.0-10.0  (+17-3 =14)  100.0   +14
 - Fizbo 1.31 64-bit 4CPU            2961   1.5-0.5   (+1 -0 =1 )  100.0   +18


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