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 3.1 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 3.1 32-bit has no rank with rating of 2482 Elo points (+36 -36),
based on 272 games: 104 wins, 99 losses and 69 draws
Score: 50.9%, Average opponent: −7.7, Draws: 25.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Naum 1.91 32-bit                   2605   3.0-7.0   (+1 -5 =4 )    0.0    -7
 - RedQueen 1.1.1 32-bit              2585   5.0-5.0   (+1 -1 =8 )    0.0  +103
 - BugChess2 1.6.2                    2555   3.0-7.0   (+1 -5 =4 )    0.2   -54
 - DanaSah 4.88                       2555   1.5-2.5   (+1 -2 =1 )    0.0   -22
 - GarboChess 3.0 32-bit              2537   2.0-2.0   (+2 -2 =0 )    0.7   +55
 - Glass 1.8 32-bit                   2537   0.0-4.0   (+0 -4 =0 )    0.8  -INF
 - Rodent 0.10                        2535   4.0-4.0   (+3 -3 =2 )    1.6   +53
 - Rodin 4.0                          2524   0.0-4.0   (+0 -4 =0 )    2.2  -INF
 - EXchess 6.10b 32-bit               2517   2.5-1.5   (+2 -1 =1 )    8.1  +116
 - Nimzo 8                            2513   3.0-7.0   (+2 -6 =2 )    9.4  -118
 - AnMon 5.60                         2513   9.5-10.5  (+7 -8 =5 )    6.2   +17
 - Crafty 20.14 32-bit                2511   6.0-4.0   (+5 -3 =2 )   10.6  +103
 - Hermann 2.8 32-bit                 2508   1.0-3.0   (+1 -3 =0 )   12.6  -207
 - Pawny 0.3.1 32-bit                 2502   1.0-3.0   (+0 -2 =2 )   21.9  -129
 - Arasan 10.3                        2499   6.0-4.0   (+5 -3 =2 )   23.1   +85
 - Twisted Logic 20080404x            2496   8.5-9.5   (+6 -7 =5 )   27.7    -6
 - GreKo 9.2 32-bit                   2492   3.0-1.0   (+2 -0 =2 )   34.4  +159
 - nanoSzachy 3.9                     2491   2.5-1.5   (+2 -1 =1 )   34.4   +94
 - Arasan 10.2 32-bit                 2484   3.0-7.0   (+3 -7 =0 )   46.6  -176
 - Zurichess Geneva 64-bit            2478   4.5-3.5   (+4 -3 =1 )   57.6   +41
 - Cheese 1.4 32-bit                  2447   9.5-10.5  (+7 -8 =5 )   92.8   -56
 - Hussar 0.4                         2444   2.0-2.0   (+1 -1 =2 )   96.9   -38
 - Delphil 2.3                        2438   6.5-3.5   (+5 -2 =3 )   96.4   +61
 - Murka 2 32-bit                     2432   2.5-1.5   (+2 -1 =1 )   98.3   +45
 - nanoSzachy 3.4                     2406  11.0-7.0   (+10-6 =2 )  100.0   +12
 - Typhoon 1.00-314                   2405   5.0-3.0   (+4 -2 =2 )   99.9    +4
 - LittleThought 1.04 32-bit          2392   6.5-1.5   (+6 -1 =1 )  100.0  +168
 - Hamsters 0.2                       2381   8.0-2.0   (+6 -0 =4 )  100.0   +93
 - Rotor 0.3                          2380   8.0-2.0   (+6 -0 =4 )  100.0   +92
 - iCE 0.2                            2371   5.0-5.0   (+4 -4 =2 )  100.0  -111
 - TJchess 1.1 32-bit                 2371   5.5-4.5   (+5 -4 =1 )  100.0   -67


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