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 2.0c 64-bit 4CPU 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 2.0c 64-bit 4CPU has no rank with rating of 3277 Elo points (+12 -12),
based on 2666 games: 1515 wins, 273 losses and 878 draws
Score: 73.3%, Average opponent: −172.4, Draws: 32.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3320  22.0-28.0  (+12-18=20)    0.0    +2
 - Stockfish 4 64-bit 4CPU            3269  25.0-25.0  (+12-12=26)   77.8    -7
 - Houdini 1.5a 64-bit 4CPU           3265  27.0-23.0  (+15-11=24)   89.9   +12
 - Komodo 5.1 64-bit 4CPU             3239  30.5-20.5  (+22-12=17)  100.0   +26
 - Stockfish 3 64-bit 4CPU            3237  26.5-23.5  (+14-11=25)  100.0   -21
 - Critter 1.6a 64-bit 4CPU           3232  67.5-51.5  (+33-17=69)  100.0    -7
 - Stockfish 2.3.1 64-bit 4CPU        3221  64.0-54.0  (+43-33=42)  100.0   -29
 - Critter 1.2 64-bit 4CPU            3209  87.0-63.0  (+51-27=72)  100.0   -19
 - Rybka 4.1 64-bit 4CPU              3207  93.5-56.5  (+61-24=65)  100.0    +7
 - Rybka 4 64-bit 4CPU                3198  25.5-24.5  (+13-12=25)  100.0   -71
 - Stockfish 2.1.1 64-bit 4CPU        3195  95.5-54.5  (+65-24=61)  100.0    +4
 - Komodo CCT 64-bit                  3181  38.5-11.5  (+30-3 =17)  100.0   +90
 - Komodo 5 64-bit                    3145  12.5-1.5   (+11-0 =3 )  100.0  +184
 - Komodo 4 64-bit                    3127  37.5-12.5  (+29-4 =17)  100.0   +19
 - Komodo 3 64-bit                    3109 114.0-36.0  (+89-11=50)  100.0   +10
 - Hiarcs 14 4CPU                     3108  45.0-7.0   (+39-1 =12)  100.0  +114
 - Naum 4.2 64-bit 4CPU               3099 119.0-31.0  (+96-8 =46)  100.0   +28
 - Chiron 1.1a 64-bit 4CPU            3064  52.0-10.0  (+43-1 =18)  100.0   +31
 - Deep Shredder 12 64-bit 4CPU       3041 119.0-31.0  (+97-9 =44)  100.0   -27
 - Spike 1.4 Leiden 4CPU              3039 122.5-27.5  (+101-6 =43)  100.0    -9
 - Hiarcs 13.2 4CPU                   3033  37.5-12.5  (+29-4 =17)  100.0   -75
 - Spark 1.0 64-bit 4CPU              3028 121.0-29.0  (+98-6 =46)  100.0   -31
 - Deep Junior 12.5 64-bit 4CPU       3014  42.0-8.0   (+36-2 =12)  100.0    -4
 - Deep Junior 13 64-bit 4CPU         3012  42.0-8.0   (+37-3 =10)  100.0    +1
 - Hiarcs 13.1 4CPU                   3009  41.5-8.5   (+38-5 =7 )  100.0    +8
 - Fritz 13                           2986 132.5-17.5  (+119-4 =27)  100.0   +26
 - Protector 1.4.0 64-bit 4CPU        2972  44.5-5.5   (+39-0 =11)  100.0    +5
 - Zappa Mexico II 64-bit 4CPU        2971  44.5-5.5   (+40-1 =9 )  100.0   +20
 - Onno 1.2.70 64-bit 4CPU            2955  42.5-7.5   (+36-1 =13)  100.0   -59
 - Thinker 5.4c Inert 64-bit 4CPU     2952  47.0-3.0   (+44-0 =6 )  100.0   +95
 - Deep Sjeng WC2008 64-bit 4CPU      2940  46.0-4.0   (+42-0 =8 )  100.0   +32
 - Deep Sjeng 3.0 64-bit 4CPU         2930  43.5-6.5   (+38-1 =11)  100.0   -55
 - Toga II 1.4 beta5c 4CPU            2904  45.5-4.5   (+43-2 =5 )  100.0   +13


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019