CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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GreKo 2018.06 64-bit in CCRL 40/4, 2019-09-14
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
GreKo 2018.06 64-bit has no rank with rating of 2627 Elo points (+20 -20),
based on 927 games: 308 wins, 376 losses and 243 draws
Score: 46.3%, Average opponent: +25.9, Draws: 26.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Chronos 1.9.9 64-bit               2740  14.0-17.0  (+9 -12=10)    0.0   +79
 - Shield 2.1 64-bit                  2738  10.5-21.5  (+6 -17=9 )    0.0    -8
 - Cheese 1.9 64-bit                  2731  10.5-21.5  (+7 -18=7 )    0.0   -20
 - Chess Tiger 2007.1                 2713  10.0-22.0  (+6 -18=8 )    0.0   -48
 - Devel 2.0000                       2710   8.5-23.5  (+4 -19=9 )    0.0   -85
 - Arminius 2017-01-01 64-bit         2688  16.5-15.5  (+12-11=9 )    0.0   +68
 - Delfi 5.4                          2682  11.0-21.0  (+5 -15=12)    0.0   -48
 - Djinn 1.021 64-bit                 2676  13.5-18.5  (+9 -14=9 )    0.0    -4
 - RedQueen 1.1.98 64-bit             2670  12.0-20.0  (+7 -15=10)    0.0   -40
 - Alaric 707                         2663  15.5-16.5  (+14-15=3 )    0.0   +25
 - Gandalf 7 64-bit                   2663  16.5-15.5  (+14-13=5 )    0.1   +47
 - ECE X3 64-bit                      2655  19.0-13.0  (+16-10=6 )    1.1   +92
 - Nebula 2.0 64-bit                  2654  14.0-18.0  (+9 -13=10)    0.6   -16
 - Phalanx XXV                        2653  12.0-20.0  (+8 -16=8 )    1.2   -64
 - Donna 4.0 64-bit                   2650  11.0-21.0  (+7 -17=8 )    2.2   -88
 - Colossus 2008b                     2642  15.0-17.0  (+11-13=8 )    7.7    -7
 - Cyrano 0.6b17 64-bit               2641  15.0-17.0  (+9 -11=12)    8.6    -6
 - Sjakk 2.2 64-bit                   2638  17.0-15.0  (+13-11=8 )   16.1   +34
 - Philou 3.7.1 64-bit                2620  14.5-17.5  (+10-13=9 )   74.4   -41
 - Sloppy 0.2.2 64-bit                2617  19.5-12.5  (+16-9 =7 )   83.0   +67
 - tomitankChess 2.0 64-bit           2616  19.0-13.0  (+12-6 =14)   80.7   +49
 - Slow Chess Blitz WV2.1             2615  14.5-17.5  (+12-15=5 )   88.5   -47
 - Rotor 0.8                          2612  18.0-14.0  (+14-10=8 )   90.9   +30
 - Jellyfish 1.1 64-bit               2610  18.5-13.5  (+16-11=5 )   93.4   +44
 - Glass 2.0 64-bit                   2610  15.0-17.0  (+12-14=6 )   94.3   -37
 - Ruffian 2.1.0                      2609  18.5-13.5  (+15-10=7 )   95.4   +38
 - NoraGrace 2.0 64-bit               2608  18.5-13.5  (+15-10=7 )   95.5   +40
 - GarboChess 2.20 64-bit             2607  14.0-18.0  (+8 -12=12)   96.1   -60
 - Leela Chess 0.10 w483 64-bit       2607  18.0-14.0  (+12-8 =12)   91.4   +18


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019