CCRL 40/4
Downloads and Statistics
July 17, 2019
Testing summary:
Total: 2'068'038 games
played by 2'396 programs
27793 CPU days (X2 4600+)

White wins: 803'434 (38.9%)
Black wins: 650'049 (31.4%)
Draws: 614'555 (29.7%)
White score: 53.7%

Engine Details

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Houdini 5.01 64-bit 4CPU in CCRL 40/4, 2019-07-17
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 5.01 64-bit 4CPU has no rank with rating of 3476 Elo points (+16 -16),
based on 1459 games: 756 wins, 57 losses and 646 draws
Score: 74.0%, Average opponent: −169.9, Draws: 44.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit 4CPU            3493  22.5-29.5  (+4 -11=37)    3.5   -16
 - Komodo 10.4 64-bit 4CPU            3472  29.5-30.5  (+6 -7 =47)   61.7    -6
 - Komodo 11.01 64-bit 4CPU           3467  31.5-28.5  (+9 -6 =45)   76.1    +3
 - Komodo 10.3 64-bit 4CPU            3460  77.0-63.0  (+31-17=92)   92.9   +10
 - Komodo 10.2 64-bit 4CPU            3434  31.0-21.0  (+11-1 =40)  100.0    +5
 - Stockfish 8 64-bit                 3421  28.0-22.0  (+13-7 =30)  100.0   -21
 - Komodo 10.2 64-bit                 3367  37.0-13.0  (+26-2 =22)  100.0   +43
 - Fire 5 64-bit 4CPU                 3335  39.5-12.5  (+27-0 =25)  100.0   +19
 - Deep Shredder 13 64-bit 4CPU       3323  40.5-11.5  (+29-0 =23)  100.0   +24
 - Fizbo 1.9 64-bit 4CPU              3319  37.0-15.0  (+24-2 =26)  100.0   -33
 - Andscacs 0.91 64-bit 4CPU          3275  46.0-14.0  (+33-1 =26)  100.0   -33
 - Andscacs 0.90 64-bit 4CPU          3273  44.0-8.0   (+36-0 =16)  100.0   +46
 - Gull 3 64-bit 4CPU                 3260  42.0-10.0  (+32-0 =20)  100.0   -12
 - Andscacs 0.88 64-bit 4CPU          3258  42.5-9.5   (+34-1 =17)  100.0    +3
 - Booot 6.2 64-bit 4CPU              3256  51.0-9.0   (+42-0 =18)  100.0   +32
 - Equinox 3.30 64-bit 4CPU           3252  39.5-12.5  (+27-0 =25)  100.0   -64
 - Fizbo 1.8 64-bit 4CPU              3247  42.0-10.0  (+32-0 =20)  100.0   -25
 - Chiron 4 64-bit 4CPU               3241  41.0-11.0  (+30-0 =22)  100.0   -51
 - Critter 1.6a 64-bit 4CPU           3231  45.5-6.5   (+39-0 =13)  100.0   +42
 - Hannibal 1.7 64-bit 4CPU           3229  45.0-7.0   (+38-0 =14)  100.0   +27
 - Fritz 15 64-bit 4CPU               3223  45.5-5.5   (+40-0 =11)  100.0   +64
 - Rybka 4 64-bit 4CPU                3198  45.0-7.0   (+39-1 =12)  100.0    +6
 - Booot 6.1 64-bit 4CPU              3187  44.5-7.5   (+37-0 =15)  100.0   -26
 - Strelka 5.5 64-bit                 3140 132.0-16.0  (+117-1 =30)  100.0   -15


Created in 2005-2013 by CCRL team
Last games added on July 17, 2019