CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Counter 2.0.2 64-bit in CCRL 40/40, 2017-11-11
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Counter 2.0.2 64-bit is #144 with rating of 2552 Elo points (+27 -27),
based on 438 games: 155 wins, 130 losses and 153 draws
Score: 52.9%, Average opponent: −21.2, Draws: 34.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - ECE X3 64-bit                     2661   1.5-8.5   (+0 -7 =3 )    0.0  -140
 - RuyDos 1.0.2 64-bit               2658   4.5-5.5   (+2 -3 =5 )    0.0   +74
 - Gandalf 7 64-bit                  2633   4.5-5.5   (+2 -3 =5 )    0.0   +53
 - Ruffian 2.1.0                     2622   4.0-6.0   (+1 -3 =6 )    0.0   +14
 - Sloppy 0.2.2 64-bit               2611   4.0-6.0   (+3 -5 =2 )    0.0   -15
 - Muse 0.953 64-bit                 2594   0.5-3.5   (+0 -3 =1 )    0.6  -240
 - Ethereal 8.05 64-bit              2593   1.5-8.5   (+0 -7 =3 )    2.1  -208
 - GreKo 2016 64-bit                 2589   4.5-5.5   (+2 -3 =5 )    1.9   +13
 - Marvin 2.1.0 64-bit               2585   6.5-3.5   (+4 -1 =5 )    4.5  +124
 - K2 0.87                           2580   5.5-4.5   (+3 -2 =5 )    5.1   +55
 - Brutus 8.05 64-bit                2567   3.5-6.5   (+3 -6 =1 )   21.9  -107
 - Coiled 0.4 64-bit                 2563   7.0-7.0   (+3 -3 =8 )   24.3    +8
 - SOS 5.1                           2562   3.5-6.5   (+1 -4 =5 )   25.2   -83
 - Francesca MAD 0.19                2561   5.0-5.0   (+2 -2 =6 )   28.5    +9
 - Capivara LK 0.09b02g 64-bit       2557   9.5-8.5   (+8 -7 =3 )   36.5   +24
 - JikChess 0.02 64-bit              2556   6.0-8.0   (+4 -6 =4 )   40.0   -41
 - Ghost 3 64-bit                    2545   6.5-3.5   (+6 -3 =1 )   63.4  +109
 - tomitankChess 1.4 64-bit          2544   2.0-2.0   (+1 -1 =2 )   64.0    +2
 - Ghost 3.1 64-bit                  2542   3.5-4.5   (+3 -4 =1 )   69.4   -55
 - nanoSzachy 4.1 64-bit             2532   8.0-6.0   (+5 -3 =6 )   88.1   +24
 - Hermann 2.8 64-bit                2528   3.0-7.0   (+1 -5 =4 )   92.3  -151
 - chess22k 1.3 64-bit               2526   5.5-4.5   (+4 -3 =3 )   89.3   +11
 - Carballo 1.4 64-bit               2520   3.5-6.5   (+0 -3 =7 )   94.1  -111
 - Maverick 1.5 64-bit               2519   8.5-9.5   (+5 -6 =7 )   97.6   -47
 - MadChess 2.2 64-bit               2509  11.0-7.0   (+8 -4 =6 )   98.6   +30
 - Shield 1.3.1 64-bit               2508   8.5-9.5   (+4 -5 =9 )   99.5   -59
 - LittleThought 1.052 64-bit        2504   6.5-3.5   (+6 -3 =1 )   99.8   +70
 - CyberPagno 3.0 64-bit             2503   9.5-4.5   (+8 -3 =3 )   99.8   +81
 - Dorky 4.5 64-bit                  2500   5.5-2.5   (+4 -1 =3 )   99.8   +64
 - Betsabe II 1.75                   2497   2.0-2.0   (+2 -2 =0 )   99.7   -55
 - Pupsi2 0.09                       2490   7.0-3.0   (+7 -3 =0 )  100.0  +114
 - Pepito 1.59 64-bit                2489   7.0-3.0   (+5 -1 =4 )  100.0   +72
 - Bruja 1.9.1 64-bit                2480   6.5-3.5   (+6 -3 =1 )  100.0   +52
 - Cerebro 3.03d                     2479   6.0-4.0   (+3 -1 =6 )  100.0   -17
 - Schooner 1.7.0 64-bit             2462  10.5-3.5   (+10-3 =1 )  100.0  +125
 - Eeyore 1.52 64-bit                2446   9.0-1.0   (+8 -0 =2 )  100.0  +220
 - Nemeton 1.51                      2443   7.0-3.0   (+5 -1 =4 )  100.0   +14
 - Lozza 1.17 64-bit                 2442   8.0-6.0   (+6 -4 =4 )  100.0   -58
 - Shallow r694 64-bit               2440   8.5-5.5   (+4 -1 =9 )  100.0   -55
 - Monolith 0.3 64-bit               2424   7.0-3.0   (+6 -2 =2 )  100.0   +24


Created in 2005-2013 by CCRL team
Last games added on November 11, 2017