CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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GreKo 8.0 64-bit in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
GreKo 8.0 64-bit has no rank with rating of 2489 Elo points (+27 -27),
based on 464 games: 161 wins, 155 losses and 148 draws
Score: 50.6%, Average opponent: −3.8, Draws: 31.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Ufim 8.02                         2542   8.0-16.0  (+4 -12=8 )    0.0   -61
 - Gaviota 0.80 64-bit               2533  12.5-11.5  (+7 -6 =11)    1.4   +57
 - Hermann 2.8 64-bit                2527   8.0-16.0  (+4 -12=8 )    1.0   -73
 - GarboChess 2.20 32-bit            2522  16.0-16.0  (+10-10=12)    2.0   +34
 - LittleThought 1.052 64-bit        2503   9.5-14.5  (+6 -11=7 )   18.7   -58
 - Tao 5.6                           2502  18.5-13.5  (+15-10=7 )   20.0   +70
 - Cheng3 1.03 64-bit                2498  13.0-11.0  (+9 -7 =8 )   33.5   +34
 - Yace 0.99.87                      2487  14.0-18.0  (+10-14=8 )   55.3   -47
 - Xpdnt 091007                      2486  14.0-10.0  (+11-7 =6 )   57.3   +53
 - Trace 1.36                        2479  16.5-15.5  (+12-11=9 )   72.0     0
 - Bruja 1.9.1 64-bit                2479   9.0-15.0  (+5 -11=8 )   71.9   -93
 - Pupsi2 0.08                       2471  15.5-16.5  (+12-13=7 )   85.9   -31
 - Quark 2.35                        2469  19.5-12.5  (+13-6 =13)   88.5   +46
 - Delphil 2.7                       2468  13.5-10.5  (+9 -6 =9 )   86.0   +16
 - Counter 1.2                       2468  16.5-15.5  (+11-10=11)   90.7   -12
 - Dorky 4.0 64-bit                  2452  15.0-9.0   (+11-5 =8 )   96.3   +39
 - TJchess 1.1 64-bit                2362  16.0-8.0   (+12-4 =8 )  100.0   -11


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017