CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

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Grapefruit 1.0a3 in CCRL 40/40, 2019-11-16
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Grapefruit 1.0a3 has no rank with rating of 2782 Elo points (+31 -32),
based on 315 games: 86 wins, 98 losses and 131 draws
Score: 48.1%, Average opponent: +11.8, Draws: 41.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                     2994   2.5-17.5  (+2 -17=1 )    0.0  -145
 - Naum 4 32-bit                      2931   3.0-17.0  (+1 -15=4 )    0.0  -126
 - Fritz 11                           2852   7.5-12.5  (+3 -8 =9 )    0.0    -3
 - Thinker 5.3b Inert 32-bit          2845   3.0-5.0   (+0 -2 =6 )    0.0     0
 - Thinker 5.4a Inert 32-bit          2835   7.5-12.5  (+3 -8 =9 )    0.3   -21
 - Shredder 11                        2832   5.5-14.5  (+2 -11=7 )    0.2   -99
 - Toga II 1.4.1SE                    2827  11.5-11.5  (+3 -3 =17)    0.4   +45
 - Cyclone 3.4                        2823   7.5-12.5  (+2 -7 =11)    1.6   -29
 - Cyclone 2.2                        2815   1.0-3.0   (+0 -2 =2 )    6.5  -123
 - Zappa Mexico II 32-bit             2809  11.0-9.0   (+5 -3 =12)    5.7   +52
 - Hiarcs 12                          2809  10.5-9.5   (+5 -4 =11)    6.4   +40
 - Fruit 2.3.1                        2786   2.5-1.5   (+1 -0 =3 )   42.0   +63
 - Bright 0.4a                        2776   0.5-3.5   (+0 -3 =1 )   64.6  -294
 - Glaurung 2.1 32-bit                2765   5.5-2.5   (+4 -1 =3 )   82.7  +105
 - Stockfish 1.01                     2747   5.0-5.0   (+1 -1 =8 )   94.5   -35
 - Bright 0.3a                        2730   5.0-1.0   (+4 -0 =2 )   99.8  +178
 - Twisted Logic 20080620             2723   2.0-2.0   (+1 -1 =2 )   99.9   -59
 - Ktulu 8                            2706   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Chess Tiger 2007.1                 2704   1.5-0.5   (+1 -0 =1 )  100.0   +64
 - Chessmaster 11 Aiglos II           2701  15.0-9.0   (+10-4 =10)  100.0    -2
 - Frenzee Feb08 32-bit               2695   3.0-1.0   (+3 -1 =0 )  100.0  +139
 - Delfi 5.4                          2690   4.5-1.5   (+3 -0 =3 )  100.0   +55
 - Booot 4.14.0                       2667   5.0-1.0   (+4 -0 =2 )  100.0  +115
 - Movei 00.8.438 (10 10 10)          2667   5.0-1.0   (+4 -0 =2 )  100.0  +120
 - Chessmaster 11                     2665   0.5-1.5   (+0 -1 =1 )  100.0  -273
 - Alaric 707                         2660   1.5-0.5   (+1 -0 =1 )  100.0   +20
 - Scorpio 2.02b                      2655   4.5-1.5   (+4 -1 =1 )  100.0   +67
 - E.T. Chess 13.01.08                2650   0.5-1.5   (+0 -1 =1 )  100.0  -274
 - Cyrano 0.6b17 32-bit               2648   5.0-1.0   (+5 -1 =0 )  100.0  +188
 - CM10th Pestilence                  2639   0.5-1.5   (+0 -1 =1 )  100.0  -285
 - WildCat 8                          2629   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
 - FabChess 1.11 64-bit               2610   4.0-2.0   (+4 -2 =0 )  100.0   -23
 - Crafty 22.4 32-bit                 2581   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019