CCRL 40/4
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 2'089'528 games
played by 2'430 programs
28120 CPU days (X2 4600+)

White wins: 811'498 (38.8%)
Black wins: 656'361 (31.4%)
Draws: 621'669 (29.8%)
White score: 53.7%

Engine Details

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GreKo 12.9 64-bit in CCRL 40/4, 2019-08-24
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 12.9 64-bit has no rank with rating of 2577 Elo points (+18 -18),
based on 1094 games: 388 wins, 390 losses and 316 draws
Score: 49.9%, Average opponent: −0.5, Draws: 28.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Donna 3.0 64-bit                   2620  14.5-17.5  (+10-13=9 )    0.0   +11
 - Philou 3.7.1 64-bit                2620  12.5-18.5  (+10-16=5 )    0.0   -31
 - Sloppy 0.2.2 64-bit                2617  11.5-20.5  (+10-19=3 )    0.0   -73
 - Slow Chess Blitz WV2.1             2615  20.0-12.0  (+15-7 =10)    0.0  +119
 - Laser 0.2 64-bit                   2613  16.5-15.5  (+10-9 =13)    0.2   +45
 - Rodin 7.0                          2613  16.5-15.5  (+11-10=11)    0.1   +49
 - Rotor 0.8                          2612  12.5-19.5  (+8 -15=9 )    0.0   -39
 - Jellyfish 1.1 64-bit               2610  10.5-21.5  (+6 -17=9 )    0.1   -87
 - Glass 2.0 64-bit                   2610  14.5-17.5  (+8 -11=13)    0.0     0
 - Ruffian 2.1.0                      2609  17.5-14.5  (+11-8 =13)    0.0   +63
 - NoraGrace 2.0 64-bit               2608  12.5-19.5  (+9 -16=7 )    0.2   -47
 - Amyan 1.72                         2604  14.5-17.5  (+8 -11=13)    0.2    -2
 - Pharaon 3.5.1                      2603  16.5-15.5  (+12-11=9 )    0.2   +38
 - GarboChess 2.10 64-bit             2598  16.5-15.5  (+11-10=11)    1.6   +33
 - Phalanx XXIV                       2589  15.5-16.5  (+11-12=9 )   14.9    +3
 - Francesca MAD 0.19                 2581  15.0-17.0  (+11-13=8 )   33.7   -19
 - Hamsters 0.7.1                     2578  13.5-18.5  (+6 -11=15)   43.5   -42
 - SOS 5.1                            2574  22.5-8.5   (+19-5 =7 )   62.8  +163
 - Arminius 2015-08-06 64-bit         2574  16.5-15.5  (+12-11=9 )   58.2    +8
 - Donna 2.1 64-bit                   2574  17.5-14.5  (+14-11=7 )   57.1   +29
 - Petir 4.39                         2567  17.0-15.0  (+14-12=6 )   83.5   +16
 - Aristarch 4.50                     2566  14.0-18.0  (+11-15=6 )   86.7   -55
 - Capivara LK 0.09b02c 64-bit        2565  17.0-15.0  (+14-12=6 )   84.7   +12
 - nanoSzachy 4.1 64-bit              2557  14.0-18.0  (+10-14=8 )   96.5   -64
 - Brutus 8.05 64-bit                 2556  11.5-20.5  (+6 -15=11)   97.9  -116
 - Anaconda 2.0.1                     2546  15.5-16.5  (+8 -9 =15)   99.9   -41
 - Rebel Century                      2546  17.0-15.0  (+12-10=10)   99.8    -4
 - nanoSzachy 4.0 64-bit              2543  17.5-14.5  (+13-10=9 )   99.9    +2
 - Ufim 8.02                          2540  20.0-12.0  (+15-7 =10)  100.0   +47
 - Maverick 1.0 64-bit                2540  15.0-17.0  (+12-14=6 )   99.8   -60
 - AnMon 5.75                         2540  21.0-11.0  (+17-7 =8 )  100.0   +74
 - Fridolin 2.00 64-bit               2538  15.0-17.0  (+9 -11=12)  100.0   -59
 - DanaSah 4.88                       2534  19.0-13.0  (+14-8 =10)  100.0   +21
 - JikChess 0.02 64-bit               2523   4.5-3.5   (+4 -3 =1 )  100.0    -1
 - Carballo 1.3 64-bit                2454  21.0-11.0  (+17-7 =8 )  100.0   -11


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