CCRL 40/4
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 2'085'472 games
played by 2'422 programs
28065 CPU days (X2 4600+)

White wins: 809'852 (38.8%)
Black wins: 654'916 (31.4%)
Draws: 620'704 (29.8%)
White score: 53.7%

Engine Details

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Counter 2.5 64-bit in CCRL 40/4, 2019-08-17
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/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: +20.0, Draws: 30.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - WyldChess 1.51 64-bit              2631  12.5-19.5  (+10-17=5 )    0.0   -29
 - 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                2620  15.5-16.5  (+10-11=11)    0.0   +34
 - 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
 - Ruffian 2.1.0                      2609  19.0-13.0  (+14-8 =10)    0.2   +98
 - Glass 2.0 64-bit                   2609  11.5-20.5  (+8 -17=7 )    0.2   -71
 - GarboChess 2.20 64-bit             2607  14.5-17.5  (+10-13=9 )    0.5    -3
 - GreKo 2018.01 64-bit               2604  15.5-14.5  (+12-11=7 )    2.3   +42
 - Amyan 1.72                         2604  11.5-17.5  (+9 -15=5 )    0.7   -50
 - 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 )    5.0   -72
 - N2 0.4 64-bit                      2590  12.0-17.0  (+6 -11=12)   11.7   -44
 - K2 0.87                            2586  14.0-14.0  (+11-11=6 )   23.0   +10
 - Floyd 0.9 64-bit                   2584  21.0-10.0  (+18-7 =6 )   26.1  +138
 - Muse 0.953 64-bit                  2582  15.5-13.5  (+12-10=7 )   31.2   +28
 - Francesca MAD 0.19                 2581  15.0-12.0  (+9 -6 =12)   35.2   +36
 - Hamsters 0.7.1                     2578  11.5-17.5  (+5 -11=13)   42.4   -61
 - Pseudo 0.7c                        2575  10.0-18.0  (+6 -14=8 )   53.5   -98
 - SOS 5.1                            2573  14.0-15.0  (+9 -10=10)   61.0   -13
 - Maverick 1.5 64-bit                2570  17.0-11.0  (+12-6 =10)   69.3   +62
 - Aristarch 4.50                     2566  13.0-12.0  (+8 -7 =10)   82.6    -1
 - Brutus 8.05 64-bit                 2556  12.5-15.5  (+8 -11=9 )   95.9   -58
 - nanoSzachy 4.1 64-bit              2555  10.5-14.5  (+6 -10=9 )   95.7   -74


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019