CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

Options
Show each game results
Counter 2.7 64-bit in CCRL 40/40, 2019-06-15
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 2673 Elo points (+27 -26),
based on 448 games: 145 wins, 120 losses and 183 draws
Score: 52.8%, Average opponent: −19.0, Draws: 40.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pirarucu 2.3.8 64-bit              2852   3.5-4.5   (+1 -2 =5 )    0.0  +142
 - Bright 0.4a                        2776   3.5-6.5   (+1 -4 =5 )    0.0   +12
 - RubiChess 1.1 64-bit               2774   1.5-6.5   (+1 -6 =1 )    0.0  -159
 - Glaurung 2.1 64-bit                2770   4.0-6.0   (+2 -4 =4 )    0.0   +34
 - Godel 4.0.7 64-bit                 2758   5.5-4.5   (+3 -2 =5 )    0.0  +116
 - Shield 2.1 64-bit                  2727   2.5-7.5   (+2 -7 =1 )    0.0  -152
 - Octochess r4984 64-bit             2724   1.5-8.5   (+0 -7 =3 )    0.7  -203
 - ProDeo 2.2                         2723   5.5-4.5   (+3 -2 =5 )    0.1   +77
 - Devel 2.0000                       2722   4.0-6.0   (+2 -4 =4 )    0.1    -9
 - GreKo 2018.08 64-bit               2720   2.5-3.5   (+1 -2 =3 )    0.4    +1
 - GreKo 2018.07 64-bit               2707   2.0-6.0   (+0 -4 =4 )    1.5  -112
 - Cheese 1.9 64-bit                  2704   6.0-4.0   (+3 -1 =6 )    2.6   +89
 - Scorpio 2.8.5 MCTS 64-bit          2704   4.5-5.5   (+2 -3 =5 )    3.0     0
 - Pirarucu 2.2.2 64-bit              2696   7.5-2.5   (+7 -2 =1 )    8.7  +226
 - Frenzee Feb08 32-bit               2695   4.5-5.5   (+3 -4 =3 )    7.6    -9
 - Booot 4.15.0                       2693   3.5-6.5   (+0 -3 =7 )    9.6   -60
 - Delfi 5.4                          2690   5.0-5.0   (+2 -2 =6 )   13.4   +20
 - Gogobello 1.4 64-bit               2687   7.0-3.0   (+5 -1 =4 )   19.5  +139
 - Crafty 23.1 32-bit                 2687   3.5-6.5   (+2 -5 =3 )   20.5   -88
 - WyldChess 1.51 64-bit              2682   6.0-4.0   (+3 -1 =6 )   29.3   +60
 - RedQueen 1.1.3 64-bit              2681   5.0-5.0   (+3 -3 =4 )   34.0   +12
 - chess22k 1.4 64-bit                2675   3.0-7.0   (+1 -5 =4 )   46.2  -118
 - Arminius 2017-01-01 64-bit         2673   5.0-5.0   (+2 -2 =6 )   51.6     0
 - Floyd 0.9 64-bit                   2658   6.5-3.5   (+4 -1 =5 )   84.5   +72
 - Cyrano 0.6b17 64-bit               2648   5.5-4.5   (+3 -2 =5 )   92.9    +6
 - Amoeba 1.2 64-bit                  2641   6.0-4.0   (+4 -2 =4 )   96.3   +27
 - DanaSah 7.3                        2640   3.0-7.0   (+0 -4 =6 )   98.6  -144
 - CM10th Guardian                    2639   5.5-4.5   (+5 -4 =1 )   96.6    +2
 - Igel 1.1 64-bit                    2627   3.5-2.5   (+2 -1 =3 )   99.3    +5
 - NoraGrace 2.0 64-bit               2625   5.5-4.5   (+5 -4 =1 )   99.9    -5
 - Nebula 2.0 64-bit                  2623   5.5-4.5   (+4 -3 =3 )  100.0    -9
 - Sloppy 0.2.2 64-bit                2611   6.5-3.5   (+5 -2 =3 )  100.0   +37
 - Monolith 0.4 64-bit                2607   5.0-5.0   (+2 -2 =6 )  100.0   -69
 - Petir 4.39                         2593   7.0-3.0   (+4 -0 =6 )  100.0   +31
 - Amyan 1.72                         2590   6.5-3.5   (+4 -1 =5 )  100.0    +3
 - GarboChess 3.0 64-bit              2587   6.0-4.0   (+4 -2 =4 )  100.0   -17
 - Brutus 8.05 64-bit                 2585   6.0-4.0   (+4 -2 =4 )  100.0   -28
 - Jellyfish 1.1 64-bit               2580   7.5-2.5   (+5 -0 =5 )  100.0   +58
 - Delocto 0.6 64-bit                 2576   6.5-3.5   (+3 -0 =7 )  100.0   -14
 - Schooner 1.8 64-bit                2567   5.5-4.5   (+3 -2 =5 )  100.0   -74
 - Coiled 0.4 64-bit                  2563   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  +192
 - RubiChess 0.9 64-bit               2552   6.5-3.5   (+6 -3 =1 )  100.0     0
 - Betsabe II 1.84                    2545   7.5-4.5   (+6 -3 =3 )  100.0   -37
 - Carballo 1.4 64-bit                2533   7.0-3.0   (+6 -2 =2 )  100.0    +5
 - Marvin 2.0.0 64-bit                2532   8.0-2.0   (+7 -1 =2 )  100.0   +85


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019