CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Engine Details

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Donna 2.1 64-bit in CCRL 40/4, 2019-10-12
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Donna 2.1 64-bit has no rank with rating of 2575 Elo points (+19 -19),
based on 948 games: 342 wins, 355 losses and 251 draws
Score: 49.3%, Average opponent: +3.2, Draws: 26.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Philou 3.7.1 64-bit                2620  14.0-18.0  (+8 -12=12)    0.0    +4
 - Sloppy 0.2.2 64-bit                2617  16.5-15.5  (+10-9 =13)    0.0   +53
 - Slow Chess Blitz WV2.1             2615  16.5-15.5  (+11-10=11)    0.0   +49
 - Rodin 7.0                          2613  14.5-17.5  (+11-14=7 )    0.1    +3
 - Rotor 0.8                          2612  13.0-18.0  (+10-15=6 )    0.0   -25
 - Glass 2.0 64-bit                   2611  13.0-19.0  (+8 -14=10)    0.0   -27
 - Jellyfish 1.1 64-bit               2610  15.0-17.0  (+12-14=6 )    0.1   +13
 - NoraGrace 2.0 64-bit               2609  14.5-16.5  (+12-14=5 )    0.1    +9
 - Ruffian 2.1.0                      2608  14.0-17.0  (+8 -11=12)    0.1    +1
 - Amyan 1.72                         2604  15.0-17.0  (+12-14=6 )    0.2    +8
 - Pharaon 3.5.1                      2604  13.0-19.0  (+10-16=6 )    0.2   -42
 - GarboChess 2.10 64-bit             2598  14.5-17.5  (+9 -12=11)    1.3    -8
 - Phalanx XXIV                       2589  17.0-15.0  (+13-11=8 )   11.8   +34
 - Francesca MAD 0.19                 2581  12.0-20.0  (+10-18=4 )   27.2   -91
 - Hamsters 0.7.1                     2579  18.5-13.5  (+14-9 =9 )   34.8   +58
 - GreKo 12.9 64-bit                  2577  14.5-17.5  (+11-14=7 )   42.8   -30
 - SOS 5.1                            2574  15.0-17.0  (+10-12=10)   53.5   -21
 - Arminius 2015-08-06 64-bit         2574  11.5-19.5  (+7 -15=9 )   50.3   -86
 - Petir 4.39                         2566  12.0-20.0  (+7 -15=10)   77.7   -93
 - Capivara LK 0.09b02c 64-bit        2565  14.5-17.5  (+9 -12=11)   78.2   -36
 - nanoSzachy 4.1 64-bit              2559  19.5-7.5   (+17-5 =5 )   90.8  +156
 - Brutus 8.05 64-bit                 2557  15.0-17.0  (+11-13=8 )   94.9   -38
 - Rebel Century                      2545  17.0-15.0  (+14-12=6 )   99.6    -3
 - nanoSzachy 4.0 64-bit              2543  21.0-11.0  (+18-8 =6 )   99.7   +86
 - Maverick 1.0 64-bit                2540  17.5-14.5  (+11-8 =13)   99.6    -7
 - Ufim 8.02                          2540  17.0-14.0  (+14-11=6 )  100.0    +4
 - AnMon 5.75                         2539  17.5-13.5  (+11-7 =13)  100.0    +5
 - GreKo 10.3.1 64-bit                2538  19.5-12.5  (+16-9 =7 )   99.4   +44
 - DanaSah 4.88                       2534  18.5-12.5  (+15-9 =7 )  100.0   +30
 - Arminius 2014-01-18 64-bit         2521  16.5-15.5  (+13-12=7 )   99.9   -40


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019