CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

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DoubleCheck 3.1 32-bit in CCRL 40/40, 2019-06-15
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
DoubleCheck 3.1 32-bit has no rank with rating of 2485 Elo points (+34 -34),
based on 300 games: 116 wins, 109 losses and 75 draws
Score: 51.2%, Average opponent: −8.9, Draws: 25.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Naum 1.91 32-bit                   2606   3.0-7.0   (+1 -5 =4 )    0.0    -9
 - RedQueen 1.1.1 32-bit              2586   5.0-5.0   (+1 -1 =8 )    0.0  +101
 - DanaSah 4.88                       2555   1.5-2.5   (+1 -2 =1 )    0.0   -25
 - BugChess2 1.6.2                    2553   3.0-7.0   (+1 -5 =4 )    0.2   -60
 - RubiChess 0.9 64-bit               2552   1.5-4.5   (+1 -4 =1 )    0.1  -128
 - Glass 1.8 32-bit                   2537   0.0-4.0   (+0 -4 =0 )    1.0  -INF
 - GarboChess 3.0 32-bit              2537   2.0-2.0   (+2 -2 =0 )    0.8   +52
 - Rodent 0.10                        2536   4.0-4.0   (+3 -3 =2 )    1.9   +51
 - Rodin 4.0                          2524   0.0-4.0   (+0 -4 =0 )    2.5  -INF
 - EXchess 6.10b 32-bit               2518   2.5-1.5   (+2 -1 =1 )    8.7  +114
 - Crafty 20.14 32-bit                2517   6.0-4.0   (+5 -3 =2 )    7.8  +106
 - AnMon 5.60                         2515   9.5-10.5  (+7 -8 =5 )    6.2   +16
 - Nimzo 8                            2513   3.0-7.0   (+2 -6 =2 )   10.9  -121
 - Hermann 2.8 32-bit                 2509   1.0-3.0   (+1 -3 =0 )   14.7  -210
 - Pawny 0.3.1 32-bit                 2501   1.0-3.0   (+0 -2 =2 )   25.4  -133
 - Arasan 10.3                        2497   6.0-4.0   (+5 -3 =2 )   29.1   +80
 - Twisted Logic 20080404x            2496   8.5-9.5   (+6 -7 =5 )   32.0    -9
 - Winter 0.1.1 64-bit                2495   5.0-1.0   (+5 -1 =0 )   33.0  +331
 - nanoSzachy 3.9                     2491   2.5-1.5   (+2 -1 =1 )   39.3   +91
 - GreKo 9.2 32-bit                   2490   3.0-1.0   (+2 -0 =2 )   43.1  +154
 - Arasan 10.2 32-bit                 2482   3.0-7.0   (+3 -7 =0 )   57.0  -181
 - Zurichess Geneva 64-bit            2482   4.5-3.5   (+4 -3 =1 )   56.8   +42
 - Jumbo 0.6.31 64-bit                2469   4.5-3.5   (+4 -3 =1 )   78.0   +28
 - Lozza 1.18 64-bit                  2464   4.0-4.0   (+2 -2 =4 )   85.9   -21
 - Hussar 0.4                         2443   2.0-2.0   (+1 -1 =2 )   98.4   -42
 - Cheese 1.4 32-bit                  2440   9.5-10.5  (+7 -8 =5 )   97.5   -66
 - Delphil 2.3                        2440   6.5-3.5   (+5 -2 =3 )   97.3   +60
 - Murka 2 32-bit                     2432   2.5-1.5   (+2 -1 =1 )   98.9   +42
 - Typhoon 1.00-314                   2410   5.0-3.0   (+4 -2 =2 )   99.9    +6
 - nanoSzachy 3.4                     2407  11.0-7.0   (+10-6 =2 )  100.0   +10
 - LittleThought 1.04 32-bit          2393   6.5-1.5   (+6 -1 =1 )  100.0  +166
 - Rotor 0.3                          2382   8.0-2.0   (+6 -0 =4 )  100.0   +91
 - Hamsters 0.2                       2382   8.0-2.0   (+6 -0 =4 )  100.0   +91
 - TJchess 1.1 32-bit                 2372   5.5-4.5   (+5 -4 =1 )  100.0   -69
 - iCE 0.2                            2371   5.0-5.0   (+4 -4 =2 )  100.0  -114


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019