CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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Grapefruit 1.0a3 in CCRL 40/40, 2018-04-21
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:
Grapefruit 1.0a3 has no rank with rating of 2783 Elo points (+32 -32),
based on 309 games: 82 wins, 96 losses and 131 draws
Score: 47.7%, Average opponent: +14.2, Draws: 42.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                     2994   2.5-17.5  (+2 -17=1 )    0.0  -146
 - Naum 4 32-bit                      2929   3.0-17.0  (+1 -15=4 )    0.0  -129
 - Fritz 11                           2852   7.5-12.5  (+3 -8 =9 )    0.0    -4
 - Thinker 5.3b Inert 32-bit          2844   3.0-5.0   (+0 -2 =6 )    0.1    -2
 - Thinker 5.4a Inert 32-bit          2835   7.5-12.5  (+3 -8 =9 )    0.3   -22
 - Shredder 11                        2832   5.5-14.5  (+2 -11=7 )    0.2  -100
 - Toga II 1.4.1SE                    2827  11.5-11.5  (+3 -3 =17)    0.5   +44
 - Cyclone 3.4                        2822   7.5-12.5  (+2 -7 =11)    1.8   -31
 - Cyclone 2.2                        2816   1.0-3.0   (+0 -2 =2 )    6.2  -123
 - Zappa Mexico II 32-bit             2809  11.0-9.0   (+5 -3 =12)    6.1   +51
 - Hiarcs 12                          2809  10.5-9.5   (+5 -4 =11)    6.4   +39
 - Fruit 2.3.1                        2785   2.5-1.5   (+1 -0 =3 )   44.2   +61
 - Bright 0.4a                        2776   0.5-3.5   (+0 -3 =1 )   65.0  -295
 - Glaurung 2.1 32-bit                2768   5.5-2.5   (+4 -1 =3 )   79.2  +107
 - Stockfish 1.01                     2754   5.0-5.0   (+1 -1 =8 )   90.3   -29
 - Bright 0.3a                        2730   5.0-1.0   (+4 -0 =2 )   99.8  +177
 - Twisted Logic 20080620             2722   2.0-2.0   (+1 -1 =2 )  100.0   -61
 - Ktulu 8                            2704   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Chess Tiger 2007.1                 2703   1.5-0.5   (+1 -0 =1 )  100.0   +62
 - Chessmaster 11 Aiglos II           2700  15.0-9.0   (+10-4 =10)  100.0    -4
 - Frenzee Feb08 32-bit               2694   3.0-1.0   (+3 -1 =0 )  100.0  +137
 - Delfi 5.4                          2687   4.5-1.5   (+3 -0 =3 )  100.0   +51
 - Booot 4.14.0                       2666   5.0-1.0   (+4 -0 =2 )  100.0  +113
 - Movei 00.8.438 (10 10 10)          2666   5.0-1.0   (+4 -0 =2 )  100.0  +118
 - Chessmaster 11                     2666   0.5-1.5   (+0 -1 =1 )  100.0  -273
 - Alaric 707                         2658   1.5-0.5   (+1 -0 =1 )  100.0   +17
 - Scorpio 2.02b                      2655   4.5-1.5   (+4 -1 =1 )  100.0   +66
 - E.T. Chess 13.01.08                2648   0.5-1.5   (+0 -1 =1 )  100.0  -277
 - Cyrano 0.6b17 32-bit               2647   5.0-1.0   (+5 -1 =0 )  100.0  +186
 - CM10th Pestilence                  2637   0.5-1.5   (+0 -1 =1 )  100.0  -288
 - WildCat 8                          2628   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - BugChess2 1.6.3 32-bit             2620   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Crafty 22.4 32-bit                 2584   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018