CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Engine Details

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Show each game results
Stockfish 1.9.1 64-bit 4CPU in CCRL 40/4, 2019-10-12
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Stockfish 1.9.1 64-bit 4CPU has no rank with rating of 3153 Elo points (+13 -13),
based on 2338 games: 1226 wins, 222 losses and 890 draws
Score: 71.5%, Average opponent: −149.0, Draws: 38.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit 4CPU                3199  42.5-57.5  (+16-31=53)    0.0    +3
 - Stockfish 2.0.1 64-bit 4CPU        3167  23.0-27.0  (+3 -7 =40)    7.2    -7
 - Stockfish 1.7.1 64-bit 4CPU        3141  50.0-50.0  (+18-18=64)   91.8   -12
 - Stockfish 1.8 64-bit 4CPU          3138  25.0-25.0  (+7 -7 =36)   94.1   -13
 - Critter 0.90 64-bit 4CPU           3128  53.0-44.0  (+28-19=50)   99.6    +4
 - Naum 4.2 64-bit 4CPU               3099  61.0-38.0  (+45-22=32)  100.0   +23
 - Critter 0.80 64-bit 4CPU           3070  34.0-16.0  (+21-3 =26)  100.0   +23
 - Deep Shredder 12 64-bit 4CPU       3042  57.0-42.0  (+32-17=50)  100.0   -66
 - Hiarcs 13.2 4CPU                   3034  32.5-17.5  (+21-6 =23)  100.0   -25
 - Spark 1.0 64-bit 4CPU              3030  65.5-31.5  (+47-13=37)  100.0   -10
 - Hiarcs 13.1 4CPU                   3010  36.5-13.5  (+27-4 =19)  100.0    +8
 - Spark 0.5 64-bit 4CPU              3000  73.5-26.5  (+55-8 =37)  100.0    +2
 - Komodo 1.3 64-bit                  2993  39.0-11.0  (+31-3 =16)  100.0   +34
 - Deep Junior 12 64-bit 4CPU         2990  38.5-11.5  (+30-3 =17)  100.0   +19
 - Protector 1.4.0 64-bit 4CPU        2972  38.0-12.0  (+29-3 =18)  100.0    -6
 - Zappa Mexico II 64-bit 4CPU        2971  79.0-21.0  (+65-7 =28)  100.0   +28
 - Protector 1.3.5 64-bit 4CPU        2963  43.0-6.0   (+39-2 =8 )  100.0  +124
 - Onno 1.2.70 64-bit 4CPU            2956  82.0-18.0  (+64-0 =36)  100.0   +21
 - Thinker 5.4c Inert 64-bit 4CPU     2952  81.5-18.5  (+66-3 =31)  100.0   +22
 - Protector 1.3.4 64-bit 4CPU        2952  76.5-23.5  (+56-3 =41)  100.0   -29
 - Gull 1.1 64-bit                    2944  39.5-10.5  (+31-2 =17)  100.0    -9
 - Deep Junior 11.1a 64-bit 4CPU      2943  79.0-21.0  (+64-6 =30)  100.0    -3
 - Hiarcs 12 4CPU                     2942  81.0-19.0  (+71-9 =20)  100.0   +29
 - Deep Sjeng WC2008 64-bit 4CPU      2941  78.0-21.0  (+62-5 =32)  100.0   -12
 - Hiarcs 12.1 4CPU                   2939  76.5-23.5  (+59-6 =35)  100.0   -33
 - Deep Sjeng 3.0 64-bit 4CPU         2930  87.5-11.5  (+77-1 =21)  100.0   +85
 - Deep Sjeng c't 2010                2926  39.5-10.5  (+33-4 =13)  100.0   -14
 - Deep Junior 11.2 64-bit 4CPU       2925  76.5-22.5  (+59-5 =35)  100.0   -44
 - Toga II 1.4 beta5c 4CPU            2904  82.5-17.5  (+70-5 =25)  100.0    -6


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019