Counter 2.5 64-bit in CCRL Blitz, 2021-01-16
Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz main list:
Counter 2.5 64-bit has no rank with rating of 2577 Elo points (+21 -21),
based on 775 games: 249 wins, 291 losses and 235 draws
Score: 47.3%, Average opponent: +19.7, Draws: 30.3%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - WyldChess 1.51 64-bit                   2628  12.5-19.5  (+10-17=5 )    0.0   -33
 - WildCat 8                               2624  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   +22
 - Philou 3.7.1 64-bit                     2619  15.5-16.5  (+10-11=11)    0.0   +32
 - Slow Chess Blitz WV2.1                  2615  15.5-16.5  (+10-11=11)    0.0   +28
 - Glass 2.0 64-bit                        2613  11.5-20.5  (+8 -17=7 )    0.1   -68
 - Jellyfish 1.1 64-bit                    2611  17.5-14.5  (+12-9 =11)    0.2   +67
 - Ruffian 2.1.0                           2611  19.0-13.0  (+14-8 =10)    0.1   +99
 - Rotor 0.8                               2611   9.0-22.0  (+5 -18=8 )    0.2  -117
 - GarboChess 2.20 64-bit                  2607  14.5-17.5  (+10-13=9 )    0.5    -4
 - GreKo 2018.01 64-bit                    2605  15.5-14.5  (+12-11=7 )    2.5   +42
 - Amyan 1.72                              2604  11.5-17.5  (+9 -15=5 )    0.6   -51
 - Pharaon 3.5.1                           2602  11.5-20.5  (+5 -14=13)    1.1   -66
 - DanaSah 7.0                             2599  10.5-18.5  (+6 -14=9 )    4.9   -72
 - N2 0.4 64-bit                           2591  12.0-17.0  (+6 -11=12)   11.1   -44
 - Floyd 0.9 64-bit                        2586  21.0-10.0  (+18-7 =6 )   21.6  +139
 - K2 0.87                                 2586  14.0-14.0  (+11-11=6 )   24.1    +9
 - Francesca MAD 0.19                      2581  15.0-12.0  (+9 -6 =12)   36.0   +35
 - Hamsters 0.7.1                          2579  11.5-17.5  (+5 -11=13)   41.2   -61
 - Muse 0.953 64-bit                       2578  15.5-13.5  (+12-10=7 )   45.5   +23
 - Pseudo 0.7c                             2574  10.0-18.0  (+6 -14=8 )   59.0  -100
 - Maverick 1.5 64-bit                     2573  17.0-11.0  (+12-6 =10)   64.3   +64
 - SOS 5.1                                 2572  14.0-15.0  (+9 -10=10)   66.5   -15
 - Aristarch 4.50                          2568  13.0-12.0  (+8 -7 =10)   79.3     0
 - nanoSzachy 4.1 64-bit                   2562  10.5-14.5  (+6 -10=9 )   89.9   -68
 - Brutus 8.05 64-bit                      2560  12.5-15.5  (+8 -11=9 )   92.9   -55