CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

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Houdini 1.5a 64-bit 4CPU in CCRL 40/40, 2017-12-09
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 1.5a 64-bit 4CPU has no rank with rating of 3192 Elo points (+20 -20),
based on 839 games: 371 wins, 109 losses and 359 draws
Score: 65.6%, Average opponent: −102.3, Draws: 42.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU             3237  12.5-19.5  (+4 -11=17)    0.0   -17
 - Critter 1.6a 64-bit 4CPU          3168  23.5-18.5  (+10-5 =27)   98.7   +11
 - Rybka 4 64-bit 4CPU               3154  49.0-33.0  (+31-15=36)  100.0   +20
 - Critter 1.2 64-bit 4CPU           3151  15.0-17.0  (+7 -9 =16)   99.8   -59
 - Rybka 4.1 64-bit 4CPU             3150  26.5-19.5  (+16-9 =21)  100.0    +6
 - Stockfish 2.3.1 64-bit 4CPU       3149   2.5-1.5   (+2 -1 =1 )   99.9   +49
 - Stockfish 2.0.1 64-bit 4CPU       3134  40.0-31.0  (+23-14=34)  100.0   -19
 - Stockfish 2.1.1 64-bit 4CPU       3120  40.0-23.0  (+26-9 =28)  100.0   +10
 - IvanHoe 9.46h 64-bit 4CPU         3119   3.5-0.5   (+3 -0 =1 )  100.0  +216
 - RobboLito 0.21Q 64-bit 4CPU       3118   2.5-1.5   (+1 -0 =3 )  100.0    -6
 - Stockfish 1.9.1 64-bit 4CPU       3116  32.5-16.5  (+20-4 =25)  100.0   +21
 - Sting SF 2 64-bit 4CPU            3114   3.0-1.0   (+2 -0 =2 )  100.0   +71
 - Bouquet 1.6 64-bit 4CPU           3114   2.5-1.5   (+1 -0 =3 )  100.0   -10
 - Critter 1.01 64-bit 4CPU          3098  10.5-7.5   (+6 -3 =9 )  100.0   -41
 - Critter 0.90 64-bit 4CPU          3084  36.0-13.0  (+27-4 =18)  100.0   +45
 - Naum 4.2 64-bit 4CPU              3067  32.0-17.0  (+22-7 =20)  100.0   -26
 - Protector 1.5.0 64-bit 4CPU       3062   3.5-0.5   (+3 -0 =1 )  100.0  +159
 - Gull R375 64-bit 4CPU             3045   3.5-0.5   (+3 -0 =1 )  100.0  +142
 - Deep Fritz 13 4CPU                3040  17.5-12.5  (+11-6 =13)  100.0  -101
 - Hannibal 1.3 64-bit 4CPU          3039   2.5-1.5   (+2 -1 =1 )  100.0   -70
 - Deep Shredder 12 64-bit 4CPU      3024  37.0-12.0  (+26-1 =22)  100.0    -8
 - Spike 1.4 Leiden 4CPU             3024  28.0-8.0   (+22-2 =12)  100.0   +22
 - Rybka 2.3.2a 64-bit 4CPU          3021   3.0-1.0   (+3 -1 =0 )  100.0   +56
 - Deep Junior 12.5 64-bit 4CPU      3018  23.5-8.5   (+19-4 =9 )  100.0    -5
 - Hiarcs 13.2 4CPU                  2987  25.5-6.5   (+22-3 =7 )  100.0   +19
 - Komodo 1.3 64-bit                 2977  49.0-10.0  (+39-0 =20)  100.0   +13
 - Spark 1.0 64-bit 4CPU             2975  26.0-6.0   (+20-0 =12)  100.0    -7


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017