CCRL 40/4
Downloads and Statistics
August 10, 2019
Testing summary:
Total: 2'081'140 games
played by 2'415 programs
27982 CPU days (X2 4600+)

White wins: 808'296 (38.8%)
Black wins: 653'685 (31.4%)
Draws: 619'159 (29.8%)
White score: 53.7%

Engine Details

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Houdini 1.03a 64-bit in CCRL 40/4, 2019-08-10
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Houdini 1.03a 64-bit has no rank with rating of 3116 Elo points (+20 -19),
based on 1183 games: 784 wins, 73 losses and 326 draws
Score: 80.1%, Average opponent: −239.4, Draws: 27.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit                     3101  53.0-46.0  (+28-21=50)   89.3    +5
 - Stockfish 1.8 64-bit               3057  33.5-16.5  (+19-2 =29)  100.0   +39
 - Naum 4.2 64-bit                    2987  31.5-18.5  (+22-9 =19)  100.0   -44
 - Critter 0.70 64-bit                2973  35.0-15.0  (+25-5 =20)  100.0   -14
 - Komodo 1.2 64-bit                  2966  40.0-10.0  (+33-3 =14)  100.0   +65
 - Deep Shredder 12 64-bit            2955  36.0-14.0  (+26-4 =20)  100.0   -19
 - Gull 1.0a 64-bit                   2938  19.5-10.5  (+12-3 =15)  100.0   -88
 - Spark 0.5 64-bit                   2920  36.0-14.0  (+26-4 =20)  100.0   -55
 - Hiarcs 13.1                        2913  38.0-12.0  (+30-4 =16)  100.0   -23
 - Thinker 5.4d Inert 64-bit          2885  27.5-4.5   (+25-2 =5 )  100.0   +68
 - Hannibal 1.0a 64-bit               2861  42.0-6.0   (+36-0 =12)  100.0   +32
 - Zappa Mexico II 64-bit             2843  39.0-11.0  (+30-2 =18)  100.0   -84
 - Deep Junior 11.2 64-bit            2843  40.5-9.5   (+38-7 =5 )  100.0    -7
 - Deep Sjeng WC2008 64-bit           2842  42.0-8.0   (+36-2 =12)  100.0   -16
 - Booot 5.1.0                        2838  26.5-5.5   (+23-2 =7 )  100.0   -25
 - Onno 1.1.1 64-bit                  2837  44.0-6.0   (+38-0 =12)  100.0   +15
 - Fruit 05/11/03                     2792  43.5-5.5   (+38-0 =11)  100.0   -15
 - Ktulu 9                            2781  44.5-3.5   (+41-0 =7 )  100.0   +50
 - Bright 0.4a                        2779  44.0-6.0   (+40-2 =8 )  100.0   -16
 - Twisted Logic 20090922 64-bit      2770  46.0-4.0   (+42-0 =8 )  100.0   +22
 - SmarThink 1.20 64-bit              2747  46.5-2.5   (+44-0 =5 )  100.0   +78
 - Chronos 1.9.9 64-bit               2739  47.5-2.5   (+45-0 =5 )  100.0   +74
 - Spike 1.2 Turin                    2731  48.0-2.0   (+46-0 =4 )  100.0  +103
 - Chess Tiger 2007.1                 2713  43.0-3.0   (+41-1 =4 )  100.0   +30


Created in 2005-2013 by CCRL team
Last games added on August 10, 2019