CCRL 40/40
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 1'077'764 games
played by 2'521 programs
147276 CPU days (X2 4600+)

White wins: 374'201 (34.7%)
Black wins: 278'337 (25.8%)
Draws: 425'226 (39.5%)
White score: 54.4%

Engine Details

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GreKo 8.0 64-bit in CCRL 40/40, 2019-08-24
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:
GreKo 8.0 64-bit has no rank with rating of 2490 Elo points (+27 -27),
based on 464 games: 161 wins, 155 losses and 148 draws
Score: 50.6%, Average opponent: −3.9, Draws: 31.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Ufim 8.02                         2544   8.0-16.0  (+4 -12=8 )    0.0   -60
 - Gaviota 0.80 64-bit               2534  12.5-11.5  (+7 -6 =11)    1.4   +57
 - Hermann 2.8 64-bit                2529   8.0-16.0  (+4 -12=8 )    0.6   -72
 - GarboChess 2.20 32-bit            2523  16.0-16.0  (+10-10=12)    1.9   +34
 - Tao 5.6                           2503  18.5-13.5  (+15-10=7 )   19.6   +70
 - Cheng3 1.03 64-bit                2500  13.0-11.0  (+9 -7 =8 )   31.9   +35
 - LittleThought 1.052 64-bit        2500   9.5-14.5  (+6 -11=7 )   25.6   -62
 - Yace 0.99.87                      2489  14.0-18.0  (+10-14=8 )   52.8   -46
 - Xpdnt 091007                      2482  14.0-10.0  (+11-7 =6 )   68.3   +48
 - Trace 1.36                        2482  16.5-15.5  (+12-11=9 )   67.3    +2
 - Bruja 1.9.1 64-bit                2479   9.0-15.0  (+5 -11=8 )   75.1   -94
 - Pupsi2 0.08                       2473  15.5-16.5  (+12-13=7 )   85.4   -30
 - Counter 1.2                       2469  16.5-15.5  (+11-10=11)   90.3   -12
 - Delphil 2.7                       2469  13.5-10.5  (+9 -6 =9 )   86.1   +16
 - Quark 2.35                        2468  19.5-12.5  (+13-6 =13)   90.6   +44
 - Dorky 4.0 64-bit                  2454  15.0-9.0   (+11-5 =8 )   95.6   +40
 - TJchess 1.1 64-bit                2364  16.0-8.0   (+12-4 =8 )  100.0   -10


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019