CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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Dirty ACCA4 64-bit in CCRL 40/40, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Dirty ACCA4 64-bit has no rank with rating of 2551 Elo points (+33 -33),
based on 314 games: 111 wins, 105 losses and 98 draws
Score: 51.0%, Average opponent: −6.6, Draws: 31.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Carballo 1.6 64-bit                2709   2.0-4.0   (+0 -2 =4 )    0.0   +64
 - Nawito 1906                        2643   1.5-6.5   (+0 -5 =3 )    0.0  -117
 - Ethereal 8.12 64-bit               2611   3.5-6.5   (+1 -4 =5 )    0.2   -29
 - Donna 4.0 64-bit                   2605   3.5-4.5   (+2 -3 =3 )    0.2   +11
 - Amyan 1.72                         2590  13.0-11.0  (+11-9 =4 )    1.5   +68
 - Brutus 8.05 32-bit                 2567  15.0-9.0   (+9 -3 =12)   20.5   +89
 - Arasan 11.6 64-bit                 2566  10.0-14.0  (+7 -11=6 )   24.2   -43
 - Rotor 0.5                          2565  13.5-10.5  (+12-9 =3 )   23.4   +61
 - SOS 5.1                            2563   9.0-15.0  (+4 -10=10)   25.3   -67
 - Ufim 8.02                          2543  11.5-12.5  (+8 -9 =7 )   68.0   -19
 - Fridolin 2.00 64-bit               2530   6.0-4.0   (+5 -3 =2 )   87.9   +53
 - DanaSah 4.24                       2527  13.5-10.5  (+9 -6 =9 )   91.0   +17
 - Tao 5.6                            2503  12.0-12.0  (+8 -8 =8 )   99.6   -48
 - LittleThought 1.052 64-bit         2500  12.0-12.0  (+10-10=4 )   99.8   -51
 - Winter 0.1.1 64-bit                2494   4.5-1.5   (+4 -1 =1 )   99.8  +132
 - Gaviota 0.74.41 64-bit             2489  15.5-8.5   (+12-5 =7 )   99.7   +37
 - Zurichess Geneva 64-bit            2483   5.0-3.0   (+4 -2 =2 )   99.9   +13
 - Drosophila 1.5.1 64-bit            2478   4.0-6.0   (+3 -5 =2 )  100.0  -141
 - Shield 1.2 64-bit                  2473   5.0-3.0   (+2 -0 =6 )  100.0   -14


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019