CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

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Lc0 0.20.1 w11258 64-bit in CCRL 40/40, 2019-11-16
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Lc0 0.20.1 w11258 64-bit has no rank with rating of 2954 Elo points (+35 -35),
based on 254 games: 75 wins, 74 losses and 105 draws
Score: 50.2%, Average opponent: −5.2, Draws: 41.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Arasan 21.2 64-bit                 3079   6.0-4.0   (+2 -0 =8 )    0.0  +177
 - RubiChess 1.3 64-bit 4CPU          3066   2.5-7.5   (+1 -6 =3 )    0.0   -67
 - Demolito 2018-10-29 64-bit 4CPU    3057   3.0-7.0   (+1 -5 =4 )    0.0   -26
 - RubiChess 1.4 64-bit               3038   3.0-1.0   (+2 -0 =2 )    0.0  +233
 - Pirarucu 2.7.4 64-bit 4CPU         3022   4.0-6.0   (+2 -4 =4 )    0.1    +8
 - Winter 0.7 64-bit                  2999   4.0-4.0   (+1 -1 =6 )    2.7   +45
 - Rodent III 0.281 64-bit            2992   7.5-10.5  (+3 -6 =9 )    2.9   -11
 - Demolito 2019-04-27 64-bit         2986   7.5-10.5  (+3 -6 =9 )    5.3   -17
 - Scorpio 2.8 64-bit 4CPU            2985   2.0-8.0   (+1 -7 =2 )    7.9  -203
 - Pirarucu 2.9.5 64-bit              2967   4.0-0.0   (+4 -0 =0 )   26.0  +INF
 - Winter 0.5 64-bit 4CPU             2963   5.5-4.5   (+4 -3 =3 )   33.7   +44
 - Amoeba 3.0 64-bit                  2956  13.0-11.0  (+7 -5 =12)   45.7   +29
 - Deuterium 2019.1.36.50 64-bit      2954   1.5-2.5   (+0 -1 =3 )   49.5   -59
 - Pirarucu 2.7.4 64-bit              2951   4.0-8.0   (+2 -6 =4 )   56.4  -114
 - The Baron 3.44 64-bit 4CPU         2939   5.0-5.0   (+2 -2 =6 )   74.1   -18
 - Winter 0.6 64-bit                  2927   3.0-1.0   (+2 -0 =2 )   90.7  +122
 - Amoeba 2.8 64-bit                  2927   7.0-5.0   (+4 -2 =6 )   91.9   +21
 - Cheng 4.39 64-bit                  2922   2.5-1.5   (+2 -1 =1 )   95.3   +50
 - Marvin 3.2.0 64-bit 4CPU           2922   6.0-4.0   (+4 -2 =4 )   93.4   +30
 - Dirty CUCUMBER 64-bit              2918   5.0-11.0  (+3 -9 =4 )   97.0  -172
 - RubiChess 1.2.1 64-bit             2908   6.0-6.0   (+4 -4 =4 )   98.8   -42
 - Igel 1.7.0 64-bit                  2797   7.0-1.0   (+7 -1 =0 )  100.0  +222
 - Counter 3.1 64-bit                 2785  13.5-4.5   (+11-2 =5 )  100.0    +8
 - tomitankChess 3.0 64-bit           2784   5.0-3.0   (+3 -1 =4 )  100.0  -101


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019