CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Counter 2.7 64-bit in CCRL 40/40, 2019-11-08
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/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: −18.9, Draws: 40.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pirarucu 2.3.8 64-bit              2851   3.5-4.5   (+1 -2 =5 )    0.0  +141
 - Bright 0.4a                        2776   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  -158
 - Glaurung 2.1 64-bit                2769   4.0-6.0   (+2 -4 =4 )    0.0   +33
 - Godel 4.0.7 64-bit                 2759   5.5-4.5   (+3 -2 =5 )    0.0  +117
 - Shield 2.1 64-bit                  2729   2.5-7.5   (+2 -7 =1 )    0.0  -150
 - Octochess r4984 64-bit             2724   1.5-8.5   (+0 -7 =3 )    0.8  -203
 - Devel 2.0000                       2724   4.0-6.0   (+2 -4 =4 )    0.0    -7
 - ProDeo 2.2                         2723   5.5-4.5   (+3 -2 =5 )    0.1   +77
 - GreKo 2018.08 64-bit               2719   2.5-3.5   (+1 -2 =3 )    0.5     0
 - GreKo 2018.07 64-bit               2709   2.0-6.0   (+0 -4 =4 )    1.2  -110
 - Cheese 1.9 64-bit                  2704   6.0-4.0   (+3 -1 =6 )    2.5   +89
 - Scorpio 2.8.5 MCTS 64-bit          2704   4.5-5.5   (+2 -3 =5 )    2.7     0
 - Pirarucu 2.2.2 64-bit              2697   7.5-2.5   (+7 -2 =1 )    7.6  +227
 - Frenzee Feb08 32-bit               2695   4.5-5.5   (+3 -4 =3 )    7.2    -9
 - Booot 4.15.0                       2693   3.5-6.5   (+0 -3 =7 )    9.7   -60
 - Delfi 5.4                          2690   5.0-5.0   (+2 -2 =6 )   13.4   +20
 - Gogobello 1.4 64-bit               2688   7.0-3.0   (+5 -1 =4 )   18.5  +140
 - Crafty 23.1 32-bit                 2687   3.5-6.5   (+2 -5 =3 )   20.0   -88
 - WyldChess 1.51 64-bit              2684   6.0-4.0   (+3 -1 =6 )   25.2   +62
 - chess22k 1.4 64-bit                2675   3.0-7.0   (+1 -5 =4 )   47.6  -118
 - Arminius 2017-01-01 64-bit         2673   5.0-5.0   (+2 -2 =6 )   50.9     0
 - RedQueen 1.1.3 64-bit              2671   5.0-5.0   (+3 -3 =4 )   56.0    +2
 - Floyd 0.9 64-bit                   2658   6.5-3.5   (+4 -1 =5 )   84.1   +72
 - Cyrano 0.6b17 64-bit               2648   5.5-4.5   (+3 -2 =5 )   92.8    +6
 - Amoeba 1.2 64-bit                  2641   6.0-4.0   (+4 -2 =4 )   96.4   +27
 - DanaSah 7.3                        2640   3.0-7.0   (+0 -4 =6 )   98.7  -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                  2622   5.5-4.5   (+4 -3 =3 )  100.0   -10
 - Sloppy 0.2.2 64-bit                2611   6.5-3.5   (+5 -2 =3 )  100.0   +37
 - Monolith 0.4 64-bit                2608   5.0-5.0   (+2 -2 =6 )  100.0   -68
 - Petir 4.39                         2591   7.0-3.0   (+4 -0 =6 )  100.0   +29
 - Amyan 1.72                         2590   6.5-3.5   (+4 -1 =5 )  100.0    +3
 - Brutus 8.05 64-bit                 2589   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   -17
 - Jellyfish 1.1 64-bit               2580   7.5-2.5   (+5 -0 =5 )  100.0   +58
 - Delocto 0.6 64-bit                 2577   6.5-3.5   (+3 -0 =7 )  100.0   -12
 - 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               2553   6.5-3.5   (+6 -3 =1 )  100.0     0
 - Betsabe II 1.84                    2543   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    +5
 - Marvin 2.0.0 64-bit                2533   8.0-2.0   (+7 -1 =2 )  100.0   +86


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019