CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Thinker 5.4a Inert 32-bit in CCRL 40/40, 2019-07-11
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:
Thinker 5.4a Inert 32-bit has no rank with rating of 2835 Elo points (+21 -21),
based on 681 games: 170 wins, 165 losses and 346 draws
Score: 50.4%, Average opponent: −2.8, Draws: 50.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                     2994   5.0-25.0  (+1 -21=8 )    0.0   -85
 - Naum 4 32-bit                      2930  14.0-22.0  (+4 -12=20)    0.0   +31
 - Rybka 2.2 32-bit                   2884  25.5-40.5  (+7 -22=37)    0.0   -16
 - Naum 3.1 32-bit                    2859  16.5-15.5  (+8 -7 =17)    3.1   +34
 - Fritz 11                           2852  14.5-17.5  (+4 -7 =21)    7.3    -8
 - Thinker 5.4c Inert 32-bit          2849  14.5-15.5  (+2 -3 =25)   12.0    +5
 - Shredder 11                        2832  13.0-18.0  (+7 -12=12)   60.1   -50
 - Grapefruit 1.0 32-bit              2826  17.5-21.5  (+5 -9 =25)   78.5   -37
 - Toga II 1.4.1SE                    2826  23.5-24.5  (+13-14=21)   76.1   -16
 - Deep Sjeng WC2008 32-bit           2825  18.0-12.0  (+12-6 =12)   79.0   +49
 - Cyclone 3.4                        2822  23.0-19.0  (+13-9 =20)   80.6   +15
 - Hiarcs 12.1                        2817  23.5-19.5  (+12-8 =23)   93.7    +9
 - Zappa Mexico II 32-bit             2809  15.0-15.0  (+7 -7 =16)   98.6   -23
 - TheMadPrune 1.1.25                 2805  18.5-13.5  (+12-7 =13)   97.0   +19
 - Fruit 2.3.1                        2785   6.0-4.0   (+4 -2 =4 )  100.0   +17
 - Grapefruit 1.0a3                   2782  12.5-7.5   (+8 -3 =9 )   99.7   +21
 - Stockfish 1.2 Default              2780  24.0-16.0  (+15-7 =18)  100.0    +5
 - Bright 0.4a                        2775  15.5-14.5  (+6 -5 =19)  100.0   -47
 - Loop 13.6 (Loop 2007) 32-bit       2773  20.0-11.0  (+12-3 =16)  100.0   +26
 - Glaurung 2.2 32-bit                2754   6.5-1.5   (+6 -1 =1 )  100.0  +179
 - Bright 0.3a                        2730   3.5-1.5   (+2 -0 =3 )  100.0   +13
 - Twisted Logic 20080620             2723   3.5-1.5   (+2 -0 =3 )  100.0    +1
 - Booot 4.15.0                       2692   4.5-0.5   (+4 -0 =1 )  100.0  +181
 - Delfi 5.4                          2689   5.0-1.0   (+4 -0 =2 )  100.0   +85


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019