CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Houdini 4 Tactical 64-bit 4CPU in CCRL 40/40, 2019-08-17
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Houdini 4 Tactical 64-bit 4CPU has no rank with rating of 3231 Elo points (+24 -24),
based on 526 games: 203 wins, 47 losses and 276 draws
Score: 64.8%, Average opponent: −89.8, Draws: 52.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Komodo 9.2 64-bit 4CPU            3326   0.5-3.5   (+0 -3 =1 )    0.0  -194
 - Houdini 4 64-bit 4CPU             3242   4.0-2.0   (+2 -0 =4 )   21.5  +100
 - Stockfish DD 64-bit 4CPU          3234  16.5-17.5  (+6 -7 =21)   41.6    -1
 - Komodo TCEC 64-bit 4CPU           3220  21.0-13.0  (+11-3 =20)   77.0   +53
 - Fire 4 64-bit 4CPU                3198   2.0-2.0   (+0 -0 =4 )   99.2   -33
 - Gull 3 64-bit 4CPU                3180   2.5-1.5   (+1 -0 =3 )  100.0   +16
 - Gull 2.8b 64-bit 4CPU             3179  22.0-12.0  (+15-5 =14)  100.0   +41
 - Equinox 3.20 64-bit 4CPU          3175   2.5-1.5   (+1 -0 =3 )  100.0   +11
 - Critter 1.6a 64-bit 4CPU          3159  21.5-16.5  (+9 -4 =25)  100.0   -35
 - Fire 3.0 64-bit 4CPU              3150  21.5-12.5  (+12-3 =19)  100.0    -5
 - Bouquet 1.8 64-bit 4CPU           3149  22.5-11.5  (+14-3 =17)  100.0   +18
 - Rybka 4 64-bit 4CPU               3147  22.5-13.5  (+14-5 =17)  100.0    -8
 - Rybka 4.1 64-bit 4CPU             3144  23.0-11.0  (+13-1 =20)  100.0   +14
 - NirvanaChess 2.2 64-bit 4CPU      3139   2.0-2.0   (+0 -0 =4 )  100.0   -92
 - Protector 1.9.0 64-bit 4CPU       3138   3.0-1.0   (+2 -0 =2 )  100.0   +64
 - Sting SF 6 64-bit 4CPU            3132  14.0-6.0   (+10-2 =8 )  100.0   +34
 - DeepSaros 4.1.6 64-bit 4CPU       3128  11.5-6.5   (+6 -1 =11)  100.0   -25
 - BlackMamba 2.0 64-bit 4CPU        3123  23.5-10.5  (+14-1 =19)  100.0    +1
 - Sting SF 4 64-bit 4CPU            3095  22.5-11.5  (+12-1 =21)  100.0   -48
 - Chiron 2 64-bit 4CPU              3085  23.0-11.0  (+15-3 =16)  100.0   -38
 - Hannibal 1.4b 64-bit 4CPU         3077  24.5-9.5   (+17-2 =15)  100.0   -18
 - Naum 4.2 64-bit 4CPU              3061  26.0-8.0   (+21-3 =10)  100.0   +15
 - Protector 1.5.0 64-bit 4CPU       3056   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Hiarcs 14 4CPU                    3054   1.5-0.5   (+1 -0 =1 )  100.0   -34
 - Deep Junior Yokohama 64-bit 4CPU  3025   1.5-0.5   (+1 -0 =1 )  100.0   -63
 - Deep Shredder 12 64-bit 4CPU      3018   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Texel 1.03 64-bit 4CPU            3010   2.0-0.0   (+2 -0 =0 )  100.0  +INF


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