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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DoubleCheck 2.5.4 32-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:
DoubleCheck 2.5.4 32-bit has no rank with rating of 2382 Elo points (+33 -33),
based on 318 games: 115 wins, 112 losses and 91 draws
Score: 50.5%, Average opponent: −3.6, Draws: 28.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - GreKo 9.2 32-bit                   2492   2.5-9.5   (+1 -8 =3 )    0.0  -105
 - Arasan 10.4                        2469   2.0-6.0   (+1 -5 =2 )    0.0   -88
 - Trace 1.35                         2462   4.5-5.5   (+3 -4 =3 )    0.0   +44
 - Booot 4.11.1                       2458   2.5-5.5   (+2 -5 =1 )    0.1   -78
 - Twisted Logic 20071202x            2458   6.5-3.5   (+6 -3 =1 )    0.0  +198
 - Cyrano 0.3                         2450   3.5-4.5   (+2 -3 =3 )    0.2   +19
 - Arasan 10.1                        2447   4.0-6.0   (+2 -4 =4 )    0.2    +2
 - Gaviota 0.74.41 32-bit             2444   3.5-4.5   (+2 -3 =3 )    0.5   +24
 - Hussar 0.4                         2444   0.0-4.0   (+0 -4 =0 )    0.1  -INF
 - Murka 2 32-bit                     2432   2.0-2.0   (+2 -2 =0 )    1.4   +50
 - Matacz 1.1                         2418   3.5-4.5   (+2 -3 =3 )    5.9     0
 - Kiwi 0.6d 32-bit                   2415   0.0-2.0   (+0 -2 =0 )    4.4  -INF
 - Dragon 4.6                         2406   1.5-0.5   (+1 -0 =1 )   10.3  +180
 - Eeyore 1.52 32-bit                 2404   2.0-2.0   (+1 -1 =2 )   13.4   +22
 - Djinn 0.925x                       2401   1.5-0.5   (+1 -0 =1 )   17.9  +161
 - Atlas 3.14b 32-bit                 2400   1.0-3.0   (+0 -2 =2 )   19.3  -124
 - Simplex 0.9.8 32-bit               2397   6.5-7.5   (+5 -6 =3 )   25.8    -8
 - Dorky 4.3 32-bit                   2385   3.5-0.5   (+3 -0 =1 )   44.1  +291
 - Delphil 1.9f                       2384   5.5-2.5   (+4 -1 =3 )   47.0  +124
 - Alfil 7.6                          2376   5.5-2.5   (+3 -0 =5 )   60.3   +98
 - Ifrit m1.5 32-bit                  2373   2.5-3.5   (+1 -2 =3 )   65.2   -61
 - Ares 1.004                         2372   1.5-2.5   (+1 -2 =1 )   70.4   -95
 - iCE 0.2                            2371  10.5-9.5   (+7 -6 =7 )   72.4    +8
 - TJchess 1.1 32-bit                 2371   5.0-1.0   (+5 -1 =0 )   67.8  +309
 - Counter 1.0                        2366   4.0-4.0   (+3 -3 =2 )   75.8   -16
 - Pupsi 0.19                         2364   5.0-3.0   (+3 -1 =4 )   77.1   +60
 - Alex 2.14a 32-bit                  2362   1.5-2.5   (+1 -2 =1 )   81.9  -101
 - BugChess2 1.4.1                    2353   4.0-4.0   (+3 -3 =2 )   88.9   -35
 - Flux 2.2.1                         2351   1.0-1.0   (+1 -1 =0 )   94.0   -31
 - Plisk 0.2.7d 32-bit                2350   0.0-2.0   (+0 -2 =0 )   94.3  -INF
 - Tytan 9.32 32-bit                  2345   1.0-1.0   (+0 -0 =2 )   95.4   -37
 - Arion 1.7                          2339   0.0-2.0   (+0 -2 =0 )   98.7  -INF
 - Daydreamer 1.5                     2333   4.0-6.0   (+3 -5 =2 )   99.2  -121
 - Sjakk 1.1.9                        2326  11.5-8.5   (+8 -5 =7 )   99.5   -10
 - LittleThought 1.00 32-bit          2323   4.5-3.5   (+3 -2 =3 )   99.3   -26
 - Dirty 0.99n                        2319   6.0-4.0   (+4 -2 =4 )   99.8    -3
 - ECE 12.01                          2318  11.5-6.5   (+10-5 =3 )   99.9   +36
 - Sage 2.2a                          2311   4.0-4.0   (+3 -3 =2 )   99.8   -65
 - Cheese 1.3b 32-bit                 2309   7.5-4.5   (+6 -3 =3 )   99.9   +20
 - GreKo 5.5                          2309   4.5-3.5   (+4 -3 =1 )   99.9   -26
 - Waxman 2011                        2304   3.5-2.5   (+3 -2 =1 )  100.0   -11
 - nanoSzachy 2.9                     2301   6.0-2.0   (+5 -1 =2 )  100.0  +104


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