CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Houdini 2.0c 64-bit 4CPU in CCRL 40/40, 2018-02-17
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Houdini 2.0c 64-bit 4CPU has no rank with rating of 3200 Elo points (+16 -16),
based on 1315 games: 567 wins, 166 losses and 582 draws
Score: 65.2%, Average opponent: −98.6, Draws: 44.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3238  10.0-19.0  (+4 -13=12)    0.0   -58
 - Critter 1.6a 64-bit 4CPU           3169  35.5-23.5  (+14-2 =43)  100.0   +22
 - Houdini 3 64-bit                   3162  18.5-13.5  (+9 -4 =19)  100.0    +6
 - Rybka 4 64-bit 4CPU                3155  61.5-38.5  (+38-15=47)  100.0   +25
 - Stockfish 2.2.2 64-bit 4CPU        3153  37.0-31.0  (+21-15=32)  100.0   -17
 - Critter 1.2 64-bit 4CPU            3152  32.5-18.5  (+22-8 =21)  100.0   +36
 - Rybka 4.1 64-bit 4CPU              3151  36.0-32.0  (+21-17=30)  100.0   -31
 - Stockfish 2.3.1 64-bit 4CPU        3149  17.5-14.5  (+10-7 =15)  100.0   -22
 - Critter 1.4 64-bit 4CPU            3148  33.5-26.5  (+16-9 =35)  100.0   -20
 - Vitruvius 1.11C 64-bit 4CPU        3125  28.0-20.0  (+17-9 =22)  100.0   -23
 - IvanHoe 9.46h 64-bit 4CPU          3120  41.5-26.5  (+23-8 =37)  100.0   -16
 - Stockfish 2.1.1 64-bit 4CPU        3120  34.0-18.0  (+23-7 =22)  100.0   +17
 - Komodo 5 64-bit                    3113  26.0-16.0  (+14-4 =24)  100.0   -21
 - Strelka 5.5 64-bit                 3108   6.5-7.5   (+3 -4 =7 )  100.0  -111
 - Komodo 4 64-bit                    3103  92.5-53.5  (+58-19=69)  100.0   -15
 - Naum 4.2 64-bit 4CPU               3067  37.5-16.5  (+24-3 =27)  100.0   -15
 - Hiarcs 14 4CPU                     3061  26.0-10.0  (+18-2 =16)  100.0    -1
 - Chiron 1.1a 64-bit 4CPU            3047  27.0-11.0  (+20-4 =14)  100.0   -14
 - Deep Fritz 13 4CPU                 3041  28.5-7.5   (+22-1 =13)  100.0   +37
 - Deep Junior 13 64-bit 4CPU         3033  29.5-8.5   (+22-1 =15)  100.0   +15
 - Deep Junior 13.3 64-bit 4CPU       3025  36.0-8.0   (+30-2 =12)  100.0   +57
 - Deep Shredder 12 64-bit 4CPU       3024  40.0-12.0  (+32-4 =16)  100.0   +13
 - Spike 1.4 Leiden 4CPU              3023  37.5-8.5   (+32-3 =11)  100.0   +59
 - Protector 1.4.0 64-bit 4CPU        2989  28.5-5.5   (+25-2 =7 )  100.0   +52
 - Hiarcs 13.2 4CPU                   2987  27.5-6.5   (+23-2 =9 )  100.0   +12
 - Spark 1.0 64-bit 4CPU              2975  29.5-4.5   (+26-1 =7 )  100.0   +69


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018