CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Houdini 1.03a 64-bit in CCRL 40/4, 2019-12-07
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:
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: −239.0, Draws: 27.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit                     3102  53.0-46.0  (+28-21=50)   89.5    +6
 - Stockfish 1.8 64-bit               3058  33.5-16.5  (+19-2 =29)  100.0   +40
 - 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                        2914  38.0-12.0  (+30-4 =16)  100.0   -22
 - Thinker 5.4d Inert 64-bit          2886  27.5-4.5   (+25-2 =5 )  100.0   +69
 - Hannibal 1.0a 64-bit               2862  42.0-6.0   (+36-0 =12)  100.0   +33
 - Zappa Mexico II 64-bit             2845  39.0-11.0  (+30-2 =18)  100.0   -82
 - 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                        2839  26.5-5.5   (+23-2 =7 )  100.0   -24
 - 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               2740  47.5-2.5   (+45-0 =5 )  100.0   +75
 - 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 December 7, 2019