CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Lc0 0.20.1 w11258 64-bit in CCRL 40/40, 2019-09-14
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Lc0 0.20.1 w11258 64-bit has no rank with rating of 2951 Elo points (+36 -36),
based on 246 games: 74 wins, 73 losses and 99 draws
Score: 50.2%, Average opponent: −4.4, Draws: 40.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Arasan 21.2 64-bit                3078   6.0-4.0   (+2 -0 =8 )    0.0  +179
 - RubiChess 1.3 64-bit 4CPU         3065   2.5-7.5   (+1 -6 =3 )    0.0   -65
 - Demolito 2018-10-29 64-bit 4CPU   3052   3.0-7.0   (+1 -5 =4 )    0.0   -28
 - RubiChess 1.4 64-bit              3038   3.0-1.0   (+2 -0 =2 )    0.0  +236
 - Pirarucu 2.7.4 64-bit 4CPU        3021   4.0-6.0   (+2 -4 =4 )    0.0   +10
 - Rodent III 0.281 64-bit           2994   7.5-10.5  (+3 -6 =9 )    2.1    -6
 - Demolito 2019-04-27 64-bit        2986   7.5-10.5  (+3 -6 =9 )    4.5   -14
 - Scorpio 2.8 64-bit 4CPU           2984   2.0-8.0   (+1 -7 =2 )    7.0  -201
 - Pirarucu 2.9.5 64-bit             2967   4.0-0.0   (+4 -0 =0 )   23.0  +INF
 - Winter 0.5 64-bit 4CPU            2961   5.5-4.5   (+4 -3 =3 )   33.9   +45
 - Deuterium 2019.1.36.50 64-bit     2954   1.5-2.5   (+0 -1 =3 )   45.6   -56
 - Amoeba 3.0 64-bit                 2953  13.0-11.0  (+7 -5 =12)   46.8   +29
 - Pirarucu 2.7.4 64-bit             2950   4.0-8.0   (+2 -6 =4 )   52.3  -112
 - The Baron 3.44 64-bit 4CPU        2939   5.0-5.0   (+2 -2 =6 )   70.6   -15
 - Winter 0.6 64-bit                 2927   3.0-1.0   (+2 -0 =2 )   88.0  +125
 - Amoeba 2.8 64-bit                 2927   7.0-5.0   (+4 -2 =6 )   89.7   +24
 - Marvin 3.2.0 64-bit 4CPU          2922   6.0-4.0   (+4 -2 =4 )   92.0   +33
 - Cheng 4.39 64-bit                 2921   2.5-1.5   (+2 -1 =1 )   94.1   +52
 - Dirty CUCUMBER 64-bit             2919   5.0-11.0  (+3 -9 =4 )   95.1  -168
 - RubiChess 1.2.1 64-bit            2908   6.0-6.0   (+4 -4 =4 )   98.3   -39
 - Igel 1.7.0 64-bit                 2797   7.0-1.0   (+7 -1 =0 )  100.0  +225
 - Counter 3.1 64-bit                2785  13.5-4.5   (+11-2 =5 )  100.0   +11
 - tomitankChess 3.0 64-bit          2785   5.0-3.0   (+3 -1 =4 )  100.0   -97


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019