CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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GreKo 12.1 64-bit in CCRL 40/40, 2019-07-11
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: −17.8, 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
 - Asymptote 0.5 64-bit               2647   7.0-7.0   (+5 -5 =4 )    0.1   +65
 - Cyrano 0.6b17 64-bit               2647   3.0-7.0   (+0 -4 =6 )    0.1   -52
 - Orion 0.6 64-bit                   2644   5.0-7.0   (+1 -3 =8 )    0.2   +11
 - CM9000 Default                     2639   3.5-8.5   (+1 -6 =5 )    0.9   -80
 - 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 )    2.2   +35
 - Pedone 0.5 64-bit                  2626   5.5-4.5   (+5 -4 =1 )    3.6   +74
 - NoraGrace 2.0 64-bit               2624   2.5-1.5   (+2 -1 =1 )    1.8  +128
 - Nebula 2.0 64-bit                  2622   2.5-1.5   (+2 -1 =1 )    2.3  +129
 - Hamsters 0.7                       2619   2.5-7.5   (+0 -5 =5 )    4.9  -117
 - Naum 1.91 64-bit                   2609   4.0-6.0   (+1 -3 =6 )   10.9   -34
 - Nawito 1.1d                        2583   6.0-4.0   (+4 -2 =4 )   58.5   +61
 - DanaSah 5.07                       2569   2.5-1.5   (+1 -0 =3 )   86.2   +48
 - Capivara LK 0.09b02f 64-bit        2568   4.5-9.5   (+3 -8 =3 )   86.9  -150
 - Jellyfish 1.0                      2566   1.5-2.5   (+1 -2 =1 )   87.2  -117
 - Capivara LK 0.09b02c 64-bit        2556   5.5-4.5   (+3 -2 =5 )   95.4    -4
 - Arasan 12.0 64-bit                 2555   6.0-4.0   (+4 -2 =4 )   95.8   +35
 - NirvanaChess 1.1 64-bit            2549   5.0-5.0   (+4 -4 =2 )   97.5   -39
 - Glass 1.7 64-bit                   2547   6.0-4.0   (+4 -2 =4 )   96.8   +22
 - Cheese 1.6.1 64-bit                2543   1.0-3.0   (+0 -2 =2 )   99.0  -187
 - Tornado 2.1.41a                    2527   7.0-3.0   (+5 -1 =4 )   99.9   +62
 - Twisted Logic 0.065e35             2521   6.0-4.0   (+6 -4 =0 )   99.8   +19
 - Hakkapeliitta 1.0 64-bit           2518  10.5-3.5   (+10-3 =1 )  100.0  +141
 - Arminius 2014-01-18 64-bit         2502   3.5-0.5   (+3 -0 =1 )  100.0  +202
 - Delphil 3.2 64-bit                 2497   3.0-1.0   (+2 -0 =2 )  100.0   +51
 - Pupsi2 0.09                        2496   8.0-2.0   (+6 -0 =4 )  100.0  +100
 - Pepito 1.59 64-bit                 2491   5.5-4.5   (+4 -3 =3 )  100.0   -61
 - JikChess 0.01 64-bit               2487   2.0-2.0   (+2 -2 =0 )  100.0  -101
 - Ghost 2.0.2 64-bit                 2484   7.0-5.0   (+5 -3 =4 )  100.0   -48
 - Bruja 1.9.1 64-bit                 2479   7.5-2.5   (+6 -1 =3 )  100.0   +64
 - BBChess 1.3a                       2471   8.0-2.0   (+8 -2 =0 )  100.0  +167
 - Quark 2.35                         2466   6.5-3.5   (+5 -2 =3 )  100.0   -21
 - Eeyore 1.52 64-bit                 2444   7.0-3.0   (+5 -1 =4 )  100.0   -17
 - Waxman 2014                        2388   7.5-2.5   (+6 -1 =3 )  100.0   -25


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019