CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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GreKo 8.0 64-bit in CCRL 40/40, 2018-04-21
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, 2005-2018, 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: −3.2, Draws: 31.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Ufim 8.02                          2543   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   +58
 - Hermann 2.8 64-bit                 2528   8.0-16.0  (+4 -12=8 )    0.9   -72
 - GarboChess 2.20 32-bit             2522  16.0-16.0  (+10-10=12)    2.0   +34
 - LittleThought 1.052 64-bit         2506   9.5-14.5  (+6 -11=7 )   15.8   -55
 - Tao 5.6                            2503  18.5-13.5  (+15-10=7 )   20.0   +71
 - Cheng3 1.03 64-bit                 2499  13.0-11.0  (+9 -7 =8 )   32.0   +35
 - Yace 0.99.87                       2487  14.0-18.0  (+10-14=8 )   54.9   -47
 - Xpdnt 091007                       2486  14.0-10.0  (+11-7 =6 )   57.4   +53
 - Trace 1.36                         2480  16.5-15.5  (+12-11=9 )   71.7    +1
 - Bruja 1.9.1 64-bit                 2480   9.0-15.0  (+5 -11=8 )   71.6   -92
 - Pupsi2 0.08                        2472  15.5-16.5  (+12-13=7 )   86.0   -30
 - Delphil 2.7                        2469  13.5-10.5  (+9 -6 =9 )   86.0   +17
 - Counter 1.2                        2468  16.5-15.5  (+11-10=11)   90.7   -12
 - Quark 2.35                         2467  19.5-12.5  (+13-6 =13)   92.0   +44
 - Dorky 4.0 64-bit                   2453  15.0-9.0   (+11-5 =8 )   96.0   +40
 - TJchess 1.1 64-bit                 2363  16.0-8.0   (+12-4 =8 )  100.0   -10


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018