CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

Options
Show each game results
Counter 2.7 64-bit in CCRL 40/40, 2019-09-14
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Counter 2.7 64-bit has no rank with rating of 2674 Elo points (+27 -27),
based on 448 games: 145 wins, 120 losses and 183 draws
Score: 52.8%, Average opponent: −19.7, Draws: 40.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Pirarucu 2.3.8 64-bit             2849   3.5-4.5   (+1 -2 =5 )    0.0  +138
 - Bright 0.4a                       2777   3.5-6.5   (+1 -4 =5 )    0.0   +12
 - RubiChess 1.1 64-bit              2775   1.5-6.5   (+1 -6 =1 )    0.0  -159
 - Glaurung 2.1 64-bit               2771   4.0-6.0   (+2 -4 =4 )    0.0   +34
 - Godel 4.0.7 64-bit                2759   5.5-4.5   (+3 -2 =5 )    0.0  +116
 - Shield 2.1 64-bit                 2730   2.5-7.5   (+2 -7 =1 )    0.0  -150
 - Devel 2.0000                      2725   4.0-6.0   (+2 -4 =4 )    0.0    -7
 - Octochess r4984 64-bit            2724   1.5-8.5   (+0 -7 =3 )    0.8  -204
 - ProDeo 2.2                        2723   5.5-4.5   (+3 -2 =5 )    0.1   +76
 - GreKo 2018.08 64-bit              2720   2.5-3.5   (+1 -2 =3 )    0.4     0
 - GreKo 2018.07 64-bit              2709   2.0-6.0   (+0 -4 =4 )    1.3  -111
 - Scorpio 2.8.5 MCTS 64-bit         2704   4.5-5.5   (+2 -3 =5 )    2.8    -1
 - Cheese 1.9 64-bit                 2704   6.0-4.0   (+3 -1 =6 )    2.6   +88
 - Pirarucu 2.2.2 64-bit             2697   7.5-2.5   (+7 -2 =1 )    7.8  +226
 - Frenzee Feb08 32-bit              2696   4.5-5.5   (+3 -4 =3 )    7.1    -9
 - Booot 4.15.0                      2694   3.5-6.5   (+0 -3 =7 )    9.5   -60
 - Delfi 5.4                         2690   5.0-5.0   (+2 -2 =6 )   13.3   +19
 - Crafty 23.1 32-bit                2688   3.5-6.5   (+2 -5 =3 )   20.0   -88
 - Gogobello 1.4 64-bit              2688   7.0-3.0   (+5 -1 =4 )   18.6  +139
 - WyldChess 1.51 64-bit             2684   6.0-4.0   (+3 -1 =6 )   26.2   +61
 - chess22k 1.4 64-bit               2675   3.0-7.0   (+1 -5 =4 )   47.9  -119
 - Arminius 2017-01-01 64-bit        2673   5.0-5.0   (+2 -2 =6 )   51.1    -1
 - RedQueen 1.1.3 64-bit             2670   5.0-5.0   (+3 -3 =4 )   58.1     0
 - Floyd 0.9 64-bit                  2659   6.5-3.5   (+4 -1 =5 )   84.0   +72
 - Cyrano 0.6b17 64-bit              2648   5.5-4.5   (+3 -2 =5 )   92.8    +5
 - Amoeba 1.2 64-bit                 2641   6.0-4.0   (+4 -2 =4 )   96.5   +26
 - DanaSah 7.3                       2640   3.0-7.0   (+0 -4 =6 )   98.7  -145
 - CM10th Guardian                   2639   5.5-4.5   (+5 -4 =1 )   96.6    +1
 - Igel 1.1 64-bit                   2627   3.5-2.5   (+2 -1 =3 )   99.3    +4
 - NoraGrace 2.0 64-bit              2625   5.5-4.5   (+5 -4 =1 )   99.9    -6
 - Nebula 2.0 64-bit                 2622   5.5-4.5   (+4 -3 =3 )  100.0   -11
 - Sloppy 0.2.2 64-bit               2611   6.5-3.5   (+5 -2 =3 )  100.0   +36
 - Monolith 0.4 64-bit               2608   5.0-5.0   (+2 -2 =6 )  100.0   -69
 - Petir 4.39                        2593   7.0-3.0   (+4 -0 =6 )  100.0   +30
 - Amyan 1.72                        2590   6.5-3.5   (+4 -1 =5 )  100.0    +2
 - Brutus 8.05 64-bit                2590   6.0-4.0   (+4 -2 =4 )  100.0   -24
 - GarboChess 3.0 64-bit             2587   6.0-4.0   (+4 -2 =4 )  100.0   -18
 - Jellyfish 1.1 64-bit              2580   7.5-2.5   (+5 -0 =5 )  100.0   +57
 - Delocto 0.6 64-bit                2577   6.5-3.5   (+3 -0 =7 )  100.0   -13
 - Schooner 1.8 64-bit               2567   5.5-4.5   (+3 -2 =5 )  100.0   -75
 - Coiled 0.4 64-bit                 2564   5.0-5.0   (+2 -2 =6 )  100.0  -110
 - tomitankChess 1.4 64-bit          2555   8.5-1.5   (+8 -1 =1 )  100.0  +191
 - RubiChess 0.9 64-bit              2553   6.5-3.5   (+6 -3 =1 )  100.0     0
 - Betsabe II 1.84                   2544   7.5-4.5   (+6 -3 =3 )  100.0   -39
 - Carballo 1.4 64-bit               2533   7.0-3.0   (+6 -2 =2 )  100.0    +4
 - Marvin 2.0.0 64-bit               2533   8.0-2.0   (+7 -1 =2 )  100.0   +85


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019