CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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GreKo 12.1 64-bit in CCRL 40/40, 2018-02-17
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 12.1 64-bit has no rank with rating of 2582 Elo points (+32 -32),
based on 330 games: 121 wins, 105 losses and 104 draws
Score: 52.4%, Average opponent: −18.0, Draws: 31.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Carballo 1.6 64-bit                2710   1.5-4.5   (+1 -4 =1 )    0.0   -61
 - Cheese 1.7 64-bit                  2677   3.0-7.0   (+2 -6 =2 )    0.0   -48
 - Scorpio 1.9                        2669   3.5-6.5   (+1 -4 =5 )    0.0    -2
 - Bright 0.2c                        2663   3.0-7.0   (+1 -5 =4 )    0.0   -42
 - CM10th Xperience                   2661   3.5-6.5   (+2 -5 =3 )    0.0   -27
 - Cyrano 0.6b17 64-bit               2653   3.0-7.0   (+0 -4 =6 )    0.0   -40
 - CM9000 Default                     2639   3.5-8.5   (+1 -6 =5 )    0.6   -74
 - Glaurung 1.0.2 32-bit              2634   5.5-4.5   (+4 -3 =3 )    0.2   +84
 - Delfi 5.1                          2630   5.0-5.0   (+4 -4 =2 )    1.1   +43
 - Hamsters 0.7                       2626   2.5-7.5   (+0 -5 =5 )    1.4  -104
 - Alfil 13.1 64-bit                  2626   3.5-6.5   (+2 -5 =3 )    1.0   -60
 - Nebula 2.0 64-bit                  2624   2.5-1.5   (+2 -1 =1 )    1.1  +137
 - NoraGrace 2.0 64-bit               2622   2.5-1.5   (+2 -1 =1 )    1.5  +132
 - Pedone 0.5 64-bit                  2619   5.5-4.5   (+5 -4 =1 )    5.1   +73
 - Naum 1.91 64-bit                   2609   4.0-6.0   (+1 -3 =6 )    6.9   -28
 - DanaSah 5.07                       2568   2.5-1.5   (+1 -0 =3 )   78.4   +53
 - Jellyfish 1.0                      2566   1.5-2.5   (+1 -2 =1 )   80.0  -111
 - Capivara LK 0.09b02f 64-bit        2566   4.5-9.5   (+3 -8 =3 )   81.8  -146
 - Capivara LK 0.09b02c 64-bit        2557   5.5-4.5   (+3 -2 =5 )   90.8    +2
 - Arasan 12.0 64-bit                 2555   6.0-4.0   (+4 -2 =4 )   91.5   +40
 - NirvanaChess 1.1 64-bit            2548   5.0-5.0   (+4 -4 =2 )   95.2   -34
 - Glass 1.7 64-bit                   2547   6.0-4.0   (+4 -2 =4 )   94.1   +28
 - Cheese 1.6.1 64-bit                2544   1.0-3.0   (+0 -2 =2 )   97.2  -180
 - Tornado 2.1.41a                    2527   7.0-3.0   (+5 -1 =4 )   99.7   +68
 - Twisted Logic 0.065e35             2522   6.0-4.0   (+6 -4 =0 )   99.4   +26
 - Hakkapeliitta 1.0 64-bit           2518  10.5-3.5   (+10-3 =1 )   99.9  +147
 - Arminius 2014-01-18 64-bit         2501   3.5-0.5   (+3 -0 =1 )  100.0  +207
 - Delphil 3.2 64-bit                 2495   3.0-1.0   (+2 -0 =2 )  100.0   +55
 - Pepito 1.59 64-bit                 2494   5.5-4.5   (+4 -3 =3 )  100.0   -52
 - Pupsi2 0.09                        2491   8.0-2.0   (+6 -0 =4 )  100.0  +101
 - JikChess 0.01 64-bit               2486   2.0-2.0   (+2 -2 =0 )  100.0   -96
 - Ghost 2.0.2 64-bit                 2483   7.0-5.0   (+5 -3 =4 )  100.0   -43
 - Bruja 1.9.1 64-bit                 2479   7.5-2.5   (+6 -1 =3 )  100.0   +70
 - BBChess 1.3a                       2472   8.0-2.0   (+8 -2 =0 )  100.0  +174
 - Quark 2.35                         2467   6.5-3.5   (+5 -2 =3 )  100.0   -14
 - Eeyore 1.52 64-bit                 2446   7.0-3.0   (+5 -1 =4 )  100.0    -9
 - Waxman 2014                        2388   7.5-2.5   (+6 -1 =3 )  100.0   -19


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018