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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Ethereal 11.25 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:
Ethereal 11.25 64-bit 4CPU is #9 with rating of 3391 Elo points (+14 -14),
based on 1545 games: 267 wins, 361 losses and 917 draws
Score: 47.0%, Average opponent: +18.3, Draws: 59.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 10 64-bit 4CPU           3546   9.0-23.0  (+0 -14=18)    0.0   +27
 - Houdini 6 64-bit 4CPU              3519  25.0-57.0  (+1 -33=48)    0.0   +14
 - ShashChess 6.0 64-bit 4CPU         3505  10.0-29.0  (+1 -20=18)    0.0   -40
 - Komodo 13.01 64-bit 4CPU           3502  22.0-48.0  (+2 -28=40)    0.0    +6
 - Komodo 13.02 64-bit 4CPU           3494  31.0-59.0  (+7 -35=48)    0.0   +12
 - Komodo 12.3 64-bit 4CPU            3488  29.0-53.0  (+2 -26=54)    0.0   +16
 - Lc0 0.21.1 JH.T6.532 GPU           3487  35.5-64.5  (+9 -38=53)    0.0   +11
 - Lc0 0.21.1 w41800 GPU              3475  41.0-59.0  (+14-32=54)    0.0   +30
 - Lc0 0.20.2 w32930 GPU              3453  46.0-54.0  (+19-27=54)    0.0   +39
 - Allie 0.5 nn42482 GPU              3442  25.5-30.5  (+8 -13=35)    0.0   +25
 - Fire 7.1 64-bit 4CPU               3424  37.5-43.5  (+7 -13=61)    0.0   +13
 - Komodo 12.3 MCTS 64-bit 4CPU       3410  51.5-50.5  (+22-21=59)    3.2   +22
 - Xiphos 0.5 64-bit 4CPU             3401  12.0-13.0  (+4 -5 =16)   19.3    +2
 - Laser 1.7 64-bit 4CPU              3367  20.5-23.5  (+4 -7 =33)   99.5   -40
 - Fizbo 2 64-bit 4CPU                3342  52.0-29.0  (+30-7 =44)  100.0   +32
 - Andscacs 0.95 64-bit 4CPU          3334  44.5-37.5  (+16-9 =57)  100.0   -36
 - Xiphos 0.4 64-bit 4CPU             3323  47.0-35.0  (+24-12=46)  100.0   -28
 - Booot 6.3.1 64-bit 4CPU            3323  49.0-33.0  (+22-6 =54)  100.0   -14
 - RofChade 2.1 64-bit 4CPU           3303  15.0-14.0  (+5 -4 =20)  100.0   -77
 - Schooner 2.0.34 64-bit 4CPU        3275  20.0-12.0  (+11-3 =18)  100.0   -43
 - Laser 1.6 64-bit 4CPU              3275  20.5-11.5  (+11-2 =19)  100.0   -33
 - Equinox 3.30 64-bit 4CPU           3253  32.0-17.0  (+20-5 =24)  100.0   -45
 - Arasan 21.3 64-bit 4CPU            3242  16.5-7.5   (+10-1 =13)  100.0   -40
 - Chiron 4 64-bit 4CPU               3241  33.5-15.5  (+18-0 =31)  100.0   -49


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