CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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DoubleCheck 2.5.4 32-bit in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
DoubleCheck 2.5.4 32-bit has no rank with rating of 2381 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  -104
 - Arasan 10.4                       2469   2.0-6.0   (+1 -5 =2 )    0.0   -87
 - Trace 1.35                        2461   4.5-5.5   (+3 -4 =3 )    0.0   +44
 - Twisted Logic 20071202x           2457   6.5-3.5   (+6 -3 =1 )    0.0  +198
 - Booot 4.11.1                      2457   2.5-5.5   (+2 -5 =1 )    0.1   -78
 - Cyrano 0.3                        2449   3.5-4.5   (+2 -3 =3 )    0.2   +19
 - Arasan 10.1                       2447   4.0-6.0   (+2 -4 =4 )    0.1    +3
 - Gaviota 0.74.41 32-bit            2443   3.5-4.5   (+2 -3 =3 )    0.5   +24
 - Hussar 0.4                        2443   0.0-4.0   (+0 -4 =0 )    0.1  -INF
 - Murka 2 32-bit                    2431   2.0-2.0   (+2 -2 =0 )    1.3   +50
 - Matacz 1.1                        2417   3.5-4.5   (+2 -3 =3 )    5.9     0
 - Kiwi 0.6d 32-bit                  2412   0.0-2.0   (+0 -2 =0 )    6.1  -INF
 - Dragon 4.6                        2406   1.5-0.5   (+1 -0 =1 )    9.9  +181
 - Eeyore 1.52 32-bit                2404   2.0-2.0   (+1 -1 =2 )   13.1   +23
 - Djinn 0.925x                      2400   1.5-0.5   (+1 -0 =1 )   17.8  +161
 - Atlas 3.14b 32-bit                2399   1.0-3.0   (+0 -2 =2 )   19.4  -124
 - Simplex 0.9.8 32-bit              2396   6.5-7.5   (+5 -6 =3 )   25.8    -8
 - Dorky 4.3 32-bit                  2384   3.5-0.5   (+3 -0 =1 )   43.9  +291
 - Delphil 1.9f                      2383   5.5-2.5   (+4 -1 =3 )   47.0  +124
 - Alfil 7.6                         2375   5.5-2.5   (+3 -0 =5 )   60.3   +98
 - Ifrit m1.5 32-bit                 2372   2.5-3.5   (+1 -2 =3 )   65.3   -61
 - Ares 1.004                        2371   1.5-2.5   (+1 -2 =1 )   70.1   -95
 - iCE 0.2                           2370  10.5-9.5   (+7 -6 =7 )   72.4    +8
 - TJchess 1.1 32-bit                2370   5.0-1.0   (+5 -1 =0 )   68.1  +309
 - Counter 1.0                       2364   4.0-4.0   (+3 -3 =2 )   76.0   -17
 - Pupsi 0.19                        2363   5.0-3.0   (+3 -1 =4 )   77.1   +60
 - Alex 2.14a 32-bit                 2361   1.5-2.5   (+1 -2 =1 )   82.1  -101
 - BugChess2 1.4.1                   2352   4.0-4.0   (+3 -3 =2 )   88.5   -35
 - Plisk 0.2.7d 32-bit               2349   0.0-2.0   (+0 -2 =0 )   94.2  -INF
 - Flux 2.2.1                        2348   1.0-1.0   (+1 -1 =0 )   94.7   -33
 - Tytan 9.32 32-bit                 2344   1.0-1.0   (+0 -0 =2 )   95.4   -37
 - Arion 1.7                         2337   0.0-2.0   (+0 -2 =0 )   98.8  -INF
 - Daydreamer 1.5                    2332   4.0-6.0   (+3 -5 =2 )   99.3  -121
 - Sjakk 1.1.9                       2325  11.5-8.5   (+8 -5 =7 )   99.5   -10
 - LittleThought 1.00 32-bit         2322   4.5-3.5   (+3 -2 =3 )   99.4   -26
 - Dirty 0.99n                       2318   6.0-4.0   (+4 -2 =4 )   99.8    -3
 - ECE 12.01                         2317  11.5-6.5   (+10-5 =3 )   99.9   +36
 - Sage 2.2a                         2309   4.0-4.0   (+3 -3 =2 )   99.8   -66
 - Cheese 1.3b 32-bit                2308   7.5-4.5   (+6 -3 =3 )   99.9   +20
 - GreKo 5.5                         2307   4.5-3.5   (+4 -3 =1 )   99.9   -27
 - Waxman 2011                       2303   3.5-2.5   (+3 -2 =1 )  100.0   -11
 - nanoSzachy 2.9                    2298   6.0-2.0   (+5 -1 =2 )  100.0  +102


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017