CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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GreKo 12.1 64-bit in CCRL 40/40, 2019-08-17
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
GreKo 12.1 64-bit has no rank with rating of 2588 Elo points (+30 -30),
based on 366 games: 131 wins, 115 losses and 120 draws
Score: 52.2%, Average opponent: −17.6, Draws: 32.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Carballo 1.6 64-bit               2709   1.5-4.5   (+1 -4 =1 )    0.0   -68
 - Cheese 1.7 64-bit                 2678   3.0-7.0   (+2 -6 =2 )    0.0   -53
 - Scorpio 1.9                       2668   3.5-6.5   (+1 -4 =5 )    0.0    -9
 - Bright 0.2c                       2663   3.0-7.0   (+1 -5 =4 )    0.0   -48
 - CM10th Xperience                  2661   3.5-6.5   (+2 -5 =3 )    0.0   -33
 - Cyrano 0.6b17 64-bit              2648   3.0-7.0   (+0 -4 =6 )    0.1   -51
 - Asymptote 0.5 64-bit              2646   7.0-7.0   (+5 -5 =4 )    0.1   +64
 - CM9000 Default                    2640   3.5-8.5   (+1 -6 =5 )    0.8   -79
 - Orion 0.6 64-bit                  2638   5.0-7.0   (+1 -3 =8 )    0.5    +5
 - Glaurung 1.0.2 32-bit             2634   5.5-4.5   (+4 -3 =3 )    0.4   +78
 - Alfil 13.1 64-bit                 2628   3.5-6.5   (+2 -5 =3 )    1.1   -64
 - Delfi 5.1                         2628   5.0-5.0   (+4 -4 =2 )    2.1   +35
 - Pedone 0.5 64-bit                 2627   5.5-4.5   (+5 -4 =1 )    3.5   +75
 - NoraGrace 2.0 64-bit              2625   2.5-1.5   (+2 -1 =1 )    1.6  +129
 - Nebula 2.0 64-bit                 2622   2.5-1.5   (+2 -1 =1 )    2.2  +129
 - Hamsters 0.7                      2620   2.5-7.5   (+0 -5 =5 )    4.4  -116
 - Naum 1.91 64-bit                  2609   4.0-6.0   (+1 -3 =6 )   10.7   -34
 - Nawito 1.1d                       2584   6.0-4.0   (+4 -2 =4 )   57.7   +62
 - DanaSah 5.07                      2569   2.5-1.5   (+1 -0 =3 )   85.8   +48
 - Capivara LK 0.09b02f 64-bit       2568   4.5-9.5   (+3 -8 =3 )   86.5  -150
 - Jellyfish 1.0                     2567   1.5-2.5   (+1 -2 =1 )   86.8  -116
 - Capivara LK 0.09b02c 64-bit       2557   5.5-4.5   (+3 -2 =5 )   95.2    -3
 - Arasan 12.0 64-bit                2555   6.0-4.0   (+4 -2 =4 )   95.7   +35
 - NirvanaChess 1.1 64-bit           2549   5.0-5.0   (+4 -4 =2 )   97.4   -39
 - Glass 1.7 64-bit                  2547   6.0-4.0   (+4 -2 =4 )   96.8   +22
 - Cheese 1.6.1 64-bit               2544   1.0-3.0   (+0 -2 =2 )   98.9  -186
 - Tornado 2.1.41a                   2527   7.0-3.0   (+5 -1 =4 )   99.9   +62
 - Twisted Logic 0.065e35            2522   6.0-4.0   (+6 -4 =0 )   99.8   +20
 - Hakkapeliitta 1.0 64-bit          2519  10.5-3.5   (+10-3 =1 )  100.0  +142
 - Arminius 2014-01-18 64-bit        2502   3.5-0.5   (+3 -0 =1 )  100.0  +202
 - Delphil 3.2 64-bit                2498   3.0-1.0   (+2 -0 =2 )  100.0   +52
 - Pupsi2 0.09                       2497   8.0-2.0   (+6 -0 =4 )  100.0  +101
 - Pepito 1.59 64-bit                2492   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  -100
 - Ghost 2.0.2 64-bit                2484   7.0-5.0   (+5 -3 =4 )  100.0   -48
 - Bruja 1.9.1 64-bit                2478   7.5-2.5   (+6 -1 =3 )  100.0   +63
 - BBChess 1.3a                      2472   8.0-2.0   (+8 -2 =0 )  100.0  +168
 - Quark 2.35                        2468   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   -16
 - Waxman 2014                       2389   7.5-2.5   (+6 -1 =3 )  100.0   -24


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019