CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Dirty ACCA4 64-bit in CCRL 40/40, 2019-09-14
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:
Dirty ACCA4 64-bit has no rank with rating of 2555 Elo points (+33 -33),
based on 306 games: 111 wins, 100 losses and 95 draws
Score: 51.8%, Average opponent: −12.7, Draws: 31.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Carballo 1.6 64-bit               2710   2.0-4.0   (+0 -2 =4 )    0.0   +61
 - Ethereal 8.12 64-bit              2611   3.5-6.5   (+1 -4 =5 )    0.4   -33
 - Donna 4.0 64-bit                  2606   3.5-4.5   (+2 -3 =3 )    0.3    +8
 - Amyan 1.72                        2590  13.0-11.0  (+11-9 =4 )    2.4   +64
 - Brutus 8.05 32-bit                2567  15.0-9.0   (+9 -3 =12)   25.8   +85
 - Arasan 11.6 64-bit                2567  10.0-14.0  (+7 -11=6 )   29.4   -46
 - Rotor 0.5                         2565  13.5-10.5  (+12-9 =3 )   28.9   +57
 - SOS 5.1                           2564   9.0-15.0  (+4 -10=10)   31.7   -70
 - Ufim 8.02                         2544  11.5-12.5  (+8 -9 =7 )   73.4   -22
 - Fridolin 2.00 64-bit              2531   6.0-4.0   (+5 -3 =2 )   90.4   +50
 - DanaSah 4.24                      2527  13.5-10.5  (+9 -6 =9 )   93.2   +13
 - Tao 5.6                           2503  12.0-12.0  (+8 -8 =8 )   99.7   -52
 - LittleThought 1.052 64-bit        2500  12.0-12.0  (+10-10=4 )   99.8   -55
 - Winter 0.1.1 64-bit               2495   4.5-1.5   (+4 -1 =1 )   99.9  +129
 - Gaviota 0.74.41 64-bit            2489  15.5-8.5   (+12-5 =7 )   99.8   +33
 - Zurichess Geneva 64-bit           2484   5.0-3.0   (+4 -2 =2 )  100.0   +10
 - Drosophila 1.5.1 64-bit           2480   4.0-6.0   (+3 -5 =2 )  100.0  -143
 - Shield 1.2 64-bit                 2473   5.0-3.0   (+2 -0 =6 )  100.0   -18


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019