CCRL 40/4
Downloads and Statistics
August 20, 2019
Testing summary:
Total: 2'086'404 games
played by 2'425 programs
28073 CPU days (X2 4600+)

White wins: 810'229 (38.8%)
Black wins: 655'304 (31.4%)
Draws: 620'871 (29.8%)
White score: 53.7%

Engine Details

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Lc0 0.21.1 w41800 GTX1050 in CCRL 40/4, 2019-08-20
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:
Lc0 0.21.1 w41800 GTX1050 has no rank with rating of 3474 Elo points (+17 -17),
based on 1000 games: 301 wins, 187 losses and 512 draws
Score: 55.7%, Average opponent: −37.6, Draws: 51.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 10 64-bit 4CPU           3547  40.0-60.0  (+10-30=60)    0.0   +17
 - Houdini 6 64-bit 4CPU              3519  44.0-56.0  (+15-27=58)    0.0   +12
 - Stockfish 10 64-bit                3490  47.0-53.0  (+18-24=58)    6.8    -1
 - Komodo 12.3 64-bit 4CPU            3488  51.0-49.0  (+24-22=54)   10.4   +20
 - Houdini 6 64-bit                   3444  54.0-46.0  (+28-20=52)   99.9    -6
 - Fire 7.1 64-bit 4CPU               3425  63.5-36.5  (+42-15=43)  100.0   +34
 - Komodo 11.3.1 64-bit               3418  56.5-43.5  (+29-16=55)  100.0   -19
 - Ethereal 11.25 64-bit 4CPU         3392  59.0-41.0  (+32-14=54)  100.0   -28
 - Fire 7.1 64-bit                    3336  68.5-31.5  (+50-13=37)  100.0   -17
 - Xiphos 0.5 64-bit                  3305  73.5-26.5  (+53-6 =41)  100.0   -17


Created in 2005-2013 by CCRL team
Last games added on August 20, 2019