CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Houdini 2.0c 64-bit in CCRL 40/40, 2017-11-18
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:
Houdini 2.0c 64-bit has no rank with rating of 3127 Elo points (+15 -14),
based on 1638 games: 759 wins, 251 losses and 628 draws
Score: 65.5%, Average opponent: −107.8, Draws: 38.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 3 64-bit                  3162   1.5-6.5   (+0 -5 =3 )    0.0  -178
 - Komodo 5 64-bit                   3113  83.0-85.0  (+36-38=94)   95.0   -16
 - Strelka 5.5 64-bit                3107   2.5-1.5   (+1 -0 =3 )   99.2   +47
 - Komodo 4 64-bit                   3103  63.0-59.0  (+35-31=56)   99.6   -14
 - Critter 1.6a 64-bit               3103   7.5-4.5   (+5 -2 =5 )   99.8   +56
 - Komodo 3 64-bit                   3096  47.0-43.0  (+28-24=38)   99.9   -18
 - Critter 1.4 64-bit                3085   7.5-2.5   (+5 -0 =5 )  100.0  +106
 - Critter 1.2 64-bit                3085 109.5-88.5  (+62-41=95)  100.0   -10
 - Rybka 4.1 64-bit                  3081  88.5-65.5  (+56-33=65)  100.0    +2
 - Stockfish 2.3.1 64-bit            3081   5.5-2.5   (+4 -1 =3 )  100.0   +73
 - Rybka 4 64-bit                    3079   3.5-4.5   (+2 -3 =3 )  100.0   -85
 - Stockfish 2.2.2 64-bit            3075   8.5-5.5   (+6 -3 =5 )  100.0   +12
 - IvanHoe 9.46h 64-bit              3065   4.5-1.5   (+3 -0 =3 )  100.0   +85
 - Stockfish 2.1.1 64-bit            3060  56.0-34.0  (+37-15=38)  100.0   +10
 - Vitruvius 1.11C 64-bit            3052   5.0-1.0   (+4 -0 =2 )  100.0  +157
 - DeepSaros 3.0 64-bit              3039   2.5-1.5   (+1 -0 =3 )  100.0   -20
 - Gull II b2 64-bit                 2997   2.0-2.0   (+1 -1 =2 )  100.0  -130
 - Chiron 1.1a 64-bit                2981   5.0-1.0   (+4 -0 =2 )  100.0   +86
 - Naum 4.2 64-bit                   2979 106.5-39.5  (+80-13=53)  100.0    +4
 - Fritz 13                          2963   6.5-1.5   (+6 -1 =1 )  100.0   +97
 - Hiarcs 14                         2962  26.5-5.5   (+21-0 =11)  100.0   +60
 - Deep Shredder 12 64-bit           2942  55.0-17.0  (+44-6 =22)  100.0    -1
 - Deep Sjeng c't 2010               2941  53.5-20.5  (+41-8 =25)  100.0   -33
 - Spike 1.4 Leiden                  2920  58.5-15.5  (+49-6 =19)  100.0    +5
 - Gull 1.2 64-bit                   2920  58.5-9.5   (+51-2 =15)  100.0   +74
 - Gull 1.1 64-bit                   2909  14.0-2.0   (+13-1 =2 )  100.0  +108
 - Quazar 0.4 64-bit                 2904   1.5-0.5   (+1 -0 =1 )  100.0   -65
 - Protector 1.4.0 64-bit            2904  62.0-14.0  (+55-7 =14)  100.0   +27
 - Hiarcs 13.2                       2899  58.5-15.5  (+47-4 =23)  100.0   -23
 - Spark 1.0 64-bit                  2894  59.5-8.5   (+54-3 =11)  100.0   +82
 - Zappa Mexico II 64-bit            2858  10.0-6.0   (+7 -3 =6 )  100.0  -190


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017