CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

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GreKo 12.1 64-bit in CCRL 40/40, 2019-06-15
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
GreKo 12.1 64-bit has no rank with rating of 2587 Elo points (+31 -30),
based on 360 games: 130 wins, 114 losses and 116 draws
Score: 52.2%, Average opponent: −17.1, Draws: 32.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Carballo 1.6 64-bit                2710   1.5-4.5   (+1 -4 =1 )    0.0   -66
 - Cheese 1.7 64-bit                  2678   3.0-7.0   (+2 -6 =2 )    0.0   -52
 - Scorpio 1.9                        2669   3.5-6.5   (+1 -4 =5 )    0.0    -7
 - Bright 0.2c                        2664   3.0-7.0   (+1 -5 =4 )    0.0   -46
 - CM10th Xperience                   2661   3.5-6.5   (+2 -5 =3 )    0.0   -32
 - Asymptote 0.5 64-bit               2649   7.0-7.0   (+5 -5 =4 )    0.1   +68
 - Cyrano 0.6b17 64-bit               2648   3.0-7.0   (+0 -4 =6 )    0.1   -50
 - Orion 0.6 64-bit                   2642   2.0-4.0   (+0 -2 =4 )    1.8   -28
 - CM9000 Default                     2640   3.5-8.5   (+1 -6 =5 )    0.8   -78
 - Glaurung 1.0.2 32-bit              2635   5.5-4.5   (+4 -3 =3 )    0.4   +80
 - Alfil 13.1 64-bit                  2629   3.5-6.5   (+2 -5 =3 )    1.0   -62
 - Delfi 5.1                          2629   5.0-5.0   (+4 -4 =2 )    2.0   +37
 - Pedone 0.5 64-bit                  2627   5.5-4.5   (+5 -4 =1 )    3.2   +76
 - NoraGrace 2.0 64-bit               2625   2.5-1.5   (+2 -1 =1 )    1.5  +130
 - Nebula 2.0 64-bit                  2623   2.5-1.5   (+2 -1 =1 )    2.1  +131
 - Hamsters 0.7                       2623   2.5-7.5   (+0 -5 =5 )    3.3  -112
 - Naum 1.91 64-bit                   2609   4.0-6.0   (+1 -3 =6 )   10.2   -33
 - Nawito 1.1d                        2584   6.0-4.0   (+4 -2 =4 )   57.2   +63
 - Capivara LK 0.09b02f 64-bit        2569   4.5-9.5   (+3 -8 =3 )   85.6  -148
 - DanaSah 5.07                       2569   2.5-1.5   (+1 -0 =3 )   84.7   +49
 - Jellyfish 1.0                      2567   1.5-2.5   (+1 -2 =1 )   85.8  -115
 - Capivara LK 0.09b02c 64-bit        2557   5.5-4.5   (+3 -2 =5 )   94.8    -2
 - Arasan 12.0 64-bit                 2555   6.0-4.0   (+4 -2 =4 )   95.3   +36
 - NirvanaChess 1.1 64-bit            2549   5.0-5.0   (+4 -4 =2 )   97.1   -38
 - Glass 1.7 64-bit                   2548   6.0-4.0   (+4 -2 =4 )   96.4   +24
 - Cheese 1.6.1 64-bit                2545   1.0-3.0   (+0 -2 =2 )   98.6  -184
 - Tornado 2.1.41a                    2527   7.0-3.0   (+5 -1 =4 )   99.9   +63
 - Twisted Logic 0.065e35             2522   6.0-4.0   (+6 -4 =0 )   99.8   +21
 - Hakkapeliitta 1.0 64-bit           2519  10.5-3.5   (+10-3 =1 )  100.0  +143
 - Arminius 2014-01-18 64-bit         2502   3.5-0.5   (+3 -0 =1 )  100.0  +203
 - Delphil 3.2 64-bit                 2499   3.0-1.0   (+2 -0 =2 )  100.0   +54
 - Pupsi2 0.09                        2496   8.0-2.0   (+6 -0 =4 )  100.0  +101
 - Pepito 1.59 64-bit                 2491   5.5-4.5   (+4 -3 =3 )  100.0   -60
 - JikChess 0.01 64-bit               2488   2.0-2.0   (+2 -2 =0 )  100.0   -99
 - Ghost 2.0.2 64-bit                 2485   7.0-5.0   (+5 -3 =4 )  100.0   -46
 - Bruja 1.9.1 64-bit                 2482   7.5-2.5   (+6 -1 =3 )  100.0   +68
 - BBChess 1.3a                       2472   8.0-2.0   (+8 -2 =0 )  100.0  +169
 - Quark 2.35                         2467   6.5-3.5   (+5 -2 =3 )  100.0   -19
 - Eeyore 1.52 64-bit                 2445   7.0-3.0   (+5 -1 =4 )  100.0   -15
 - Waxman 2014                        2389   7.5-2.5   (+6 -1 =3 )  100.0   -23


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019