CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Engine Details

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DoubleCheck 2.5.4 32-bit in CCRL 40/40, 2019-12-10
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
DoubleCheck 2.5.4 32-bit has no rank with rating of 2383 Elo points (+33 -33),
based on 318 games: 115 wins, 112 losses and 91 draws
Score: 50.5%, Average opponent: −3.9, Draws: 28.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - GreKo 9.2 32-bit                   2493   2.5-9.5   (+1 -8 =3 )    0.0  -105
 - Arasan 10.4                        2470   2.0-6.0   (+1 -5 =2 )    0.0   -88
 - Trace 1.35                         2463   4.5-5.5   (+3 -4 =3 )    0.0   +44
 - Booot 4.11.1                       2462   2.5-5.5   (+2 -5 =1 )    0.0   -75
 - Twisted Logic 20071202x            2458   6.5-3.5   (+6 -3 =1 )    0.0  +197
 - Cyrano 0.3                         2450   3.5-4.5   (+2 -3 =3 )    0.2   +18
 - Gaviota 0.74.41 32-bit             2446   3.5-4.5   (+2 -3 =3 )    0.4   +25
 - Hussar 0.4                         2443   0.0-4.0   (+0 -4 =0 )    0.1  -INF
 - Arasan 10.1                        2441   4.0-6.0   (+2 -4 =4 )    0.3    -4
 - Murka 2 32-bit                     2432   2.0-2.0   (+2 -2 =0 )    1.4   +49
 - Matacz 1.1                         2419   3.5-4.5   (+2 -3 =3 )    5.6     0
 - Kiwi 0.6d 32-bit                   2418   0.0-2.0   (+0 -2 =0 )    3.3  -INF
 - Eeyore 1.52 32-bit                 2405   2.0-2.0   (+1 -1 =2 )   13.6   +22
 - Dragon 4.6                         2405   1.5-0.5   (+1 -0 =1 )   12.3  +178
 - Djinn 0.925x                       2402   1.5-0.5   (+1 -0 =1 )   17.4  +161
 - Atlas 3.14b 32-bit                 2401   1.0-3.0   (+0 -2 =2 )   19.6  -124
 - Simplex 0.9.8 32-bit               2397   6.5-7.5   (+5 -6 =3 )   26.7    -9
 - Dorky 4.3 32-bit                   2385   3.5-0.5   (+3 -0 =1 )   45.4  +290
 - Delphil 1.9f                       2385   5.5-2.5   (+4 -1 =3 )   46.2  +124
 - TJchess 1.1 32-bit                 2373   5.0-1.0   (+5 -1 =0 )   65.4  +310
 - Alfil 7.6                          2373   5.5-2.5   (+3 -0 =5 )   66.4   +94
 - Ares 1.004                         2373   1.5-2.5   (+1 -2 =1 )   70.5   -95
 - Counter 1.0                        2372   4.0-4.0   (+3 -3 =2 )   67.9   -11
 - iCE 0.2                            2371  10.5-9.5   (+7 -6 =7 )   72.6    +7
 - Ifrit m1.5 32-bit                  2371   2.5-3.5   (+1 -2 =3 )   70.9   -64
 - Pupsi 0.19                         2366   5.0-3.0   (+3 -1 =4 )   75.9   +61
 - Alex 2.14a 32-bit                  2363   1.5-2.5   (+1 -2 =1 )   81.6  -101
 - Flux 2.2.1                         2357   1.0-1.0   (+1 -1 =0 )   90.6   -26
 - BugChess2 1.4.1                    2355   4.0-4.0   (+3 -3 =2 )   88.0   -34
 - Plisk 0.2.7d 32-bit                2351   0.0-2.0   (+0 -2 =0 )   94.5  -INF
 - Tytan 9.32 32-bit                  2346   1.0-1.0   (+0 -0 =2 )   95.4   -37
 - Arion 1.7                          2342   0.0-2.0   (+0 -2 =0 )   98.3  -INF
 - Daydreamer 1.5                     2335   4.0-6.0   (+3 -5 =2 )   99.2  -120
 - LittleThought 1.00 32-bit          2326   4.5-3.5   (+3 -2 =3 )   99.3   -24
 - Sjakk 1.1.9                        2326  11.5-8.5   (+8 -5 =7 )   99.6   -11
 - Dirty 0.99n                        2320   6.0-4.0   (+4 -2 =4 )   99.7    -3
 - ECE 12.01                          2318  11.5-6.5   (+10-5 =3 )   99.9   +35
 - Cheese 1.3b 32-bit                 2312   7.5-4.5   (+6 -3 =3 )   99.8   +22
 - GreKo 5.5                          2310   4.5-3.5   (+4 -3 =1 )   99.9   -26
 - Sage 2.2a                          2307   4.0-4.0   (+3 -3 =2 )   99.9   -70
 - nanoSzachy 2.9                     2306   6.0-2.0   (+5 -1 =2 )   99.9  +108
 - Waxman 2011                        2304   3.5-2.5   (+3 -2 =1 )  100.0   -12


Created in 2005-2013 by CCRL team
Last games added on December 10, 2019