CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Engine Details

Options
Show each game results
Houdini 2.0c 64-bit in CCRL 40/4, 2019-11-08
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 has no rank with rating of 3202 Elo points (+16 -15),
based on 1564 games: 820 wins, 250 losses and 494 draws
Score: 68.2%, Average opponent: −135.2, Draws: 31.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit                   3217   4.5-11.5  (+2 -9 =5 )    7.6  -135
 - Houdini 1.5a 64-bit                3170  31.0-20.0  (+22-11=18)  100.0   +40
 - Critter 1.6a 64-bit                3158   9.0-7.0   (+7 -5 =4 )  100.0    -3
 - Komodo 5 64-bit                    3145  83.0-53.0  (+58-28=50)  100.0   +15
 - Critter 1.4 64-bit                 3142  85.5-61.5  (+50-26=71)  100.0   -10
 - Strelka 5.1 64-bit                 3142  27.5-23.5  (+11-7 =33)  100.0   -38
 - Komodo 4 64-bit                    3127  79.0-54.0  (+53-28=52)  100.0   -15
 - Critter 1.2 64-bit                 3120  32.5-17.5  (+23-8 =19)  100.0   +12
 - Stockfish 2.2.2 64-bit             3115  65.5-51.5  (+45-31=41)  100.0   -47
 - Komodo 3 64-bit                    3109  57.5-43.5  (+42-28=31)  100.0   -47
 - Rybka 4.1 64-bit                   3108  91.5-56.5  (+62-27=59)  100.0   -16
 - Rybka 4 64-bit                     3102  12.5-3.5   (+9 -0 =7 )  100.0   +75
 - Naum 4.2 64-bit 4CPU               3099  13.0-7.0   (+9 -3 =8 )  100.0    -5
 - Stockfish 2.1.1 64-bit             3092  55.5-25.5  (+44-14=23)  100.0   +19
 - Naum 4.2 64-bit                    2988  67.5-13.5  (+61-7 =13)  100.0   +59
 - Fritz 13                           2986  52.0-6.0   (+49-3 =6 )  100.0  +146
 - Gull 1.0a 64-bit                   2938  43.5-6.5   (+40-3 =7 )  100.0   +53
 - Spark 1.0 64-bit                   2927  68.0-14.0  (+60-6 =16)  100.0   -14
 - Spike 1.4 Leiden                   2922  43.0-7.0   (+39-3 =8 )  100.0   +18
 - Hannibal 1.1 64-bit                2895  47.5-2.5   (+45-0 =5 )  100.0  +143
 - Protector 1.4.0 64-bit             2890  43.5-6.5   (+38-1 =11)  100.0   -21
 - Thinker 5.4d Inert 64-bit          2886   8.5-1.5   (+8 -1 =1 )  100.0    -7
 - Thinker 5.4c Inert 64-bit          2883  46.0-4.0   (+43-1 =6 )  100.0   +69


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019