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 3.1 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 3.1 32-bit has no rank with rating of 2481 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                  2604   3.0-7.0   (+1 -5 =4 )    0.0    -7
 - RedQueen 1.1.1 32-bit             2584   5.0-5.0   (+1 -1 =8 )    0.0  +103
 - BugChess2 1.6.2                   2554   3.0-7.0   (+1 -5 =4 )    0.2   -54
 - DanaSah 4.88                      2554   1.5-2.5   (+1 -2 =1 )    0.0   -22
 - GarboChess 3.0 32-bit             2536   2.0-2.0   (+2 -2 =0 )    0.7   +55
 - Glass 1.8 32-bit                  2536   0.0-4.0   (+0 -4 =0 )    0.8  -INF
 - Rodent 0.10                       2534   4.0-4.0   (+3 -3 =2 )    1.6   +53
 - Rodin 4.0                         2523   0.0-4.0   (+0 -4 =0 )    2.2  -INF
 - EXchess 6.10b 32-bit              2516   2.5-1.5   (+2 -1 =1 )    8.1  +116
 - Nimzo 8                           2512   3.0-7.0   (+2 -6 =2 )    9.3  -118
 - AnMon 5.60                        2512   9.5-10.5  (+7 -8 =5 )    6.4   +17
 - Crafty 20.14 32-bit               2510   6.0-4.0   (+5 -3 =2 )   10.5  +103
 - Hermann 2.8 32-bit                2507   1.0-3.0   (+1 -3 =0 )   12.7  -207
 - Pawny 0.3.1 32-bit                2501   1.0-3.0   (+0 -2 =2 )   22.1  -129
 - Arasan 10.3                       2500   6.0-4.0   (+5 -3 =2 )   20.3   +87
 - Twisted Logic 20080404x           2495   8.5-9.5   (+6 -7 =5 )   27.2    -6
 - GreKo 9.2 32-bit                  2492   3.0-1.0   (+2 -0 =2 )   34.4  +160
 - nanoSzachy 3.9                    2490   2.5-1.5   (+2 -1 =1 )   34.5   +94
 - Arasan 10.2 32-bit                2483   3.0-7.0   (+3 -7 =0 )   47.0  -176
 - Zurichess Geneva 64-bit           2475   4.5-3.5   (+4 -3 =1 )   60.6   +39
 - Cheese 1.4 32-bit                 2446   9.5-10.5  (+7 -8 =5 )   92.9   -56
 - Hussar 0.4                        2443   2.0-2.0   (+1 -1 =2 )   96.9   -38
 - Delphil 2.3                       2438   6.5-3.5   (+5 -2 =3 )   96.4   +62
 - Murka 2 32-bit                    2431   2.5-1.5   (+2 -1 =1 )   98.3   +45
 - nanoSzachy 3.4                    2405  11.0-7.0   (+10-6 =2 )  100.0   +12
 - Typhoon 1.00-314                  2404   5.0-3.0   (+4 -2 =2 )   99.9    +4
 - LittleThought 1.04 32-bit         2391   6.5-1.5   (+6 -1 =1 )  100.0  +168
 - Rotor 0.3                         2380   8.0-2.0   (+6 -0 =4 )  100.0   +93
 - Hamsters 0.2                      2379   8.0-2.0   (+6 -0 =4 )  100.0   +92
 - iCE 0.2                           2370   5.0-5.0   (+4 -4 =2 )  100.0  -111
 - TJchess 1.1 32-bit                2370   5.5-4.5   (+5 -4 =1 )  100.0   -67


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