CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

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Counter 2.5 64-bit in CCRL 40/4, 2019-10-19
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:
Counter 2.5 64-bit has no rank with rating of 2576 Elo points (+21 -21),
based on 775 games: 249 wins, 291 losses and 235 draws
Score: 47.3%, Average opponent: +19.9, Draws: 30.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - WyldChess 1.51 64-bit              2630  12.5-19.5  (+10-17=5 )    0.0   -30
 - WildCat 8                          2623  21.5-10.5  (+18-7 =7 )    0.0  +176
 - Movei 00.8.438 (10 10 10)          2622  15.0-17.0  (+10-12=10)    0.0   +23
 - Philou 3.7.1 64-bit                2619  15.5-16.5  (+10-11=11)    0.0   +33
 - Slow Chess Blitz WV2.1             2614  15.5-16.5  (+10-11=11)    0.0   +28
 - Rotor 0.8                          2612   9.0-22.0  (+5 -18=8 )    0.1  -115
 - Jellyfish 1.1 64-bit               2610  17.5-14.5  (+12-9 =11)    0.2   +67
 - Glass 2.0 64-bit                   2610  11.5-20.5  (+8 -17=7 )    0.1   -70
 - Ruffian 2.1.0                      2608  19.0-13.0  (+14-8 =10)    0.2   +97
 - GarboChess 2.20 64-bit             2606  14.5-17.5  (+10-13=9 )    0.6    -4
 - GreKo 2018.01 64-bit               2604  15.5-14.5  (+12-11=7 )    2.3   +42
 - Amyan 1.72                         2603  11.5-17.5  (+9 -15=5 )    0.7   -51
 - Pharaon 3.5.1                      2603  11.5-20.5  (+5 -14=13)    0.7   -64
 - DanaSah 7.0                        2598  10.5-18.5  (+6 -14=9 )    5.1   -72
 - N2 0.4 64-bit                      2590  12.0-17.0  (+6 -11=12)   11.8   -44
 - K2 0.87                            2586  14.0-14.0  (+11-11=6 )   23.4   +10
 - Floyd 0.9 64-bit                   2583  21.0-10.0  (+18-7 =6 )   28.2  +137
 - Muse 0.953 64-bit                  2582  15.5-13.5  (+12-10=7 )   31.5   +28
 - Francesca MAD 0.19                 2580  15.0-12.0  (+9 -6 =12)   35.2   +35
 - Hamsters 0.7.1                     2578  11.5-17.5  (+5 -11=13)   43.2   -61
 - Pseudo 0.7c                        2575  10.0-18.0  (+6 -14=8 )   52.2   -98
 - SOS 5.1                            2573  14.0-15.0  (+9 -10=10)   60.9   -13
 - Maverick 1.5 64-bit                2569  17.0-11.0  (+12-6 =10)   72.2   +61
 - Aristarch 4.50                     2566  13.0-12.0  (+8 -7 =10)   81.8    -1
 - nanoSzachy 4.1 64-bit              2559  10.5-14.5  (+6 -10=9 )   92.2   -70
 - Brutus 8.05 64-bit                 2556  12.5-15.5  (+8 -11=9 )   95.7   -58


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019