CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Lc0 0.20.1 w11258 64-bit in CCRL 40/40, 2019-07-11
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 2949 Elo points (+36 -36),
based on 242 games: 71 wins, 72 losses and 99 draws
Score: 49.8%, Average opponent: −1.7, Draws: 40.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Arasan 21.2 64-bit                 3078   6.0-4.0   (+2 -0 =8 )    0.0  +181
 - RubiChess 1.3 64-bit 4CPU          3064   2.5-7.5   (+1 -6 =3 )    0.0   -64
 - Demolito 2018-10-29 64-bit 4CPU    3050   3.0-7.0   (+1 -5 =4 )    0.0   -28
 - RubiChess 1.4 64-bit               3037   3.0-1.0   (+2 -0 =2 )    0.0  +237
 - Pirarucu 2.7.4 64-bit 4CPU         3020   4.0-6.0   (+2 -4 =4 )    0.0   +11
 - Rodent III 0.281 64-bit            2995   7.5-10.5  (+3 -6 =9 )    1.7    -3
 - Demolito 2019-04-27 64-bit         2983   7.5-10.5  (+3 -6 =9 )    5.1   -15
 - Scorpio 2.8 64-bit 4CPU            2983   2.0-8.0   (+1 -7 =2 )    6.4  -200
 - Pirarucu 2.9.5 64-bit              2965   4.0-0.0   (+4 -0 =0 )   22.4  +INF
 - Deuterium 2019.1.36.50 64-bit      2954   1.5-2.5   (+0 -1 =3 )   39.5   -54
 - Winter 0.5 64-bit 4CPU             2953   5.5-4.5   (+4 -3 =3 )   42.2   +39
 - Amoeba 3.0 64-bit                  2951  13.0-11.0  (+7 -5 =12)   45.8   +29
 - Pirarucu 2.7.4 64-bit              2949   4.0-8.0   (+2 -6 =4 )   49.5  -111
 - The Baron 3.44 64-bit 4CPU         2939   5.0-5.0   (+2 -2 =6 )   66.8   -13
 - Amoeba 2.8 64-bit                  2926   7.0-5.0   (+4 -2 =6 )   88.3   +25
 - Winter 0.6 64-bit                  2924   3.0-1.0   (+2 -0 =2 )   88.4  +124
 - Cheng 4.39 64-bit                  2920   2.5-1.5   (+2 -1 =1 )   93.1   +53
 - Marvin 3.2.0 64-bit 4CPU           2920   6.0-4.0   (+4 -2 =4 )   91.1   +33
 - Dirty CUCUMBER 64-bit              2916   5.0-11.0  (+3 -9 =4 )   95.2  -169
 - RubiChess 1.2.1 64-bit             2907   6.0-6.0   (+4 -4 =4 )   98.0   -38
 - Igel 1.7.0 64-bit                  2794   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Counter 3.1 64-bit                 2783  13.5-4.5   (+11-2 =5 )  100.0   +11
 - tomitankChess 3.0 64-bit           2780   5.0-3.0   (+3 -1 =4 )  100.0  -100


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019