CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Engine Details

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Chiron 3.01 64-bit 4CPU in CCRL 40/4, 2019-07-06
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Chiron 3.01 64-bit 4CPU has no rank with rating of 3146 Elo points (+15 -15),
based on 1476 games: 262 wins, 547 losses and 667 draws
Score: 40.3%, Average opponent: +67.7, Draws: 45.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 160716 64-bit 4CPU       3455  14.0-88.0  (+1 -75=26)    0.0   +32
 - Komodo 10 64-bit 4CPU              3430   7.0-45.0  (+0 -38=14)    0.0   +10
 - Stockfish 7 64-bit 4CPU            3427   6.0-46.0  (+0 -40=12)    0.0   -22
 - Houdini 4 64-bit 4CPU              3332  11.0-41.0  (+1 -31=20)    0.0    -4
 - Gull 3 64-bit 4CPU                 3260  12.5-39.5  (+0 -27=25)    0.0   -44
 - Fire 4 64-bit 4CPU                 3256  17.0-35.0  (+5 -23=24)    0.0    +3
 - Equinox 3.30 64-bit 4CPU           3253  12.0-40.0  (+4 -32=16)    0.0   -81
 - Fizbo 1.8 64-bit 4CPU              3248  17.0-35.0  (+5 -23=24)    0.0    -5
 - Critter 1.6a 64-bit 4CPU           3232  18.5-33.5  (+6 -21=25)    0.0    -1
 - Fritz 15 64-bit 4CPU               3224  18.0-34.0  (+6 -22=24)    0.0   -15
 - Andscacs 0.86 64-bit 4CPU          3222  22.5-29.5  (+10-17=25)    0.0   +35
 - Rybka 4.1 64-bit 4CPU              3206  15.5-36.5  (+4 -25=23)    0.0   -64
 - BlackMamba 2.0 64-bit 4CPU         3197  23.0-29.0  (+8 -14=30)    0.0   +19
 - Booot 6.1 64-bit 4CPU              3188  11.5-28.5  (+3 -20=17)    0.0   -92
 - Fizbo 1.7 64-bit 4CPU              3184  22.0-30.0  (+10-18=24)    0.0    -8
 - NirvanaChess 2.2 64-bit 4CPU       3182  24.5-27.5  (+12-15=25)    0.0   +18
 - Elektro 1.2 64-bit 4CPU            3175  23.5-28.5  (+8 -13=31)    0.3    +3
 - Hannibal 1.5 64-bit 4CPU           3169  23.0-29.0  (+4 -10=38)    0.6    -7
 - Texel 1.06 64-bit 4CPU             3158  27.5-24.5  (+12-9 =31)   11.2   +28
 - Naum 4.6 64-bit 4CPU               3152  25.0-27.0  (+13-15=24)   24.2    -4
 - Texel 1.05 64-bit 4CPU             3143  33.0-19.0  (+21-7 =24)   60.9   +81
 - Protector 1.9.0 64-bit 4CPU        3128  32.0-20.0  (+21-9 =22)   97.7   +53
 - Pedone 1.6 64-bit 4CPU             3115  28.5-23.5  (+15-10=27)   99.5    -1
 - Pedone 1.5 64-bit 4CPU             3094  19.5-14.5  (+12-7 =15)  100.0    -6
 - Bouquet 1.8 64-bit 4CPU            3072  34.0-18.0  (+21-5 =26)  100.0   +17
 - Vajolet2 2.2 64-bit 4CPU           3068  36.5-15.5  (+27-6 =19)  100.0   +55
 - Pedone 1.4.1 64-bit 4CPU           3067  28.5-23.5  (+13-8 =31)  100.0   -51
 - Cheng 4.39 64-bit 4CPU             3066  32.5-19.5  (+20-7 =25)  100.0    -4


Created in 2005-2013 by CCRL team
Last games added on July 6, 2019