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 13.1 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 13.1 64-bit has no rank with rating of 2564 Elo points (+30 -30),
based on 347 games: 92 wins, 115 losses and 140 draws
Score: 46.7%, Average opponent: +19.9, Draws: 40.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Tucano 5.00 64-bit                 2678   9.0-11.0  (+6 -8 =6 )    0.0   +82
 - Djinn 1.021 64-bit                 2665   9.0-11.0  (+5 -7 =8 )    0.0   +67
 - RedQueen 1.1.97 64-bit             2659   7.0-13.0  (+3 -9 =8 )    0.0    -2
 - CM9000 Assassin                    2629   5.5-14.5  (+2 -11=7 )    0.0   -85
 - Nebula 2.0 64-bit                  2624   6.0-14.0  (+0 -8 =12)    0.0   -50
 - NoraGrace 2.0 64-bit               2622  10.0-12.0  (+6 -8 =8 )    0.0   +28
 - Zappa 1.1 64-bit                   2615   8.5-11.5  (+3 -6 =11)    0.2    +7
 - Arminius 2015-08-06 64-bit         2603  14.5-5.5   (+9 -0 =11)    1.5  +169
 - Rodin 7.0                          2599   7.0-13.0  (+3 -9 =8 )    2.1   -66
 - Glass 2.0 64-bit                   2596   9.5-10.5  (+6 -7 =7 )    3.3   +14
 - Jellyfish 1.1 64-bit               2575   8.5-11.5  (+4 -7 =9 )   25.7   -33
 - Capivara LK 0.09b02f 64-bit        2566  12.0-10.0  (+6 -4 =12)   46.0   +26
 - JikChess 0.02 64-bit               2556   5.0-5.0   (+4 -4 =2 )   66.5    -8
 - Phalanx XXIV                       2535   9.0-11.0  (+6 -8 =6 )   94.6   -62
 - nanoSzachy 4.1 64-bit              2533  12.0-10.0  (+9 -7 =6 )   96.2    +2
 - Fridolin 2.0 64-bit                2526   0.5-1.5   (+0 -1 =1 )   98.5  -194
 - Shield 1.3.1 64-bit                2508   5.0-3.0   (+4 -2 =2 )   99.9   +27
 - Maverick 1.0 64-bit                2506   1.5-0.5   (+1 -0 =1 )   99.8   +98
 - Delphil 3.2 64-bit                 2495   1.0-1.0   (+0 -0 =2 )  100.0   -69
 - JikChess 0.01 64-bit               2486   1.0-1.0   (+0 -0 =2 )  100.0   -78
 - Ghost 2.0.2 64-bit                 2483   0.5-1.5   (+0 -1 =1 )  100.0  -223
 - Giraffe 20150908 64-bit            2462   0.5-1.5   (+0 -1 =1 )  100.0  -244
 - Donna 3.0 64-bit                   2459   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Carballo 1.3                       2459   1.0-1.0   (+0 -0 =2 )  100.0  -105
 - Donna 2.1 64-bit                   2457   0.5-0.5   (+0 -0 =1 )  100.0   -76
 - Bumblebee 1.0 64-bit               2446   6.5-3.5   (+5 -2 =3 )  100.0   -18
 - Betsabe II 1.47                    2440   0.5-1.5   (+0 -1 =1 )  100.0  -266
 - Zurichess Fribourg 64-bit          2440   1.5-0.5   (+1 -0 =1 )  100.0   +18
 - K2 0.79                            2438   8.0-0.0   (+8 -0 =0 )  100.0  +INF
 - Ares 1.005 64-bit                  2415   1.5-0.5   (+1 -0 =1 )  100.0    +7
 - Bitfoot 1.0.d9aeb43 64-bit         2410   0.0-2.0   (+0 -2 =0 )  100.0  -INF


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