CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Chronos 1.9.8 64-bit in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Chronos 1.9.8 64-bit has no rank with rating of 2694 Elo points (+32 -32),
based on 304 games: 88 wins, 93 losses and 123 draws
Score: 49.2%, Average opponent: +6.6, Draws: 40.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Hannibal 1.0a 32-bit              2802   1.5-2.5   (+0 -1 =3 )    0.0   +14
 - Glaurung 2.2 64-bit               2781   3.0-1.0   (+2 -0 =2 )    0.0  +205
 - Scorpio 2.7.6 64-bit              2781   1.5-2.5   (+1 -2 =1 )    0.0   +28
 - Thinker 5.3b Passive 64-bit       2766   0.5-3.5   (+0 -3 =1 )    0.0  -181
 - Twisted Logic 20100131x 64-bit    2764  11.0-13.0  (+7 -9 =8 )    0.0   +40
 - SmarThink 1.20 64-bit             2763   4.5-19.5  (+0 -15=9 )    0.0  -139
 - DiscoCheck 4.3 64-bit             2758   2.0-2.0   (+1 -1 =2 )    0.1   +33
 - GNU Chess 5.50 64-bit             2757   0.5-3.5   (+0 -3 =1 )    0.0  -190
 - Dirty 05Sep2012 64-bit            2752   2.0-2.0   (+2 -2 =0 )    0.2   +88
 - Spike 1.2 Turin                   2746   8.5-15.5  (+4 -11=9 )    0.1   -38
 - Laser 1.0 64-bit                  2729   5.0-5.0   (+3 -3 =4 )    5.5   +30
 - Arasan 15.6 64-bit                2728   3.0-1.0   (+3 -1 =0 )    6.3  +232
 - EXchess 7.03b 64-bit              2721   2.0-0.0   (+2 -0 =0 )   12.2  +INF
 - Crafty 23.2 64-bit                2710  10.5-12.5  (+6 -8 =9 )   22.9   -13
 - Booot 4.15.0                      2691  10.5-13.5  (+2 -5 =17)   56.5   -35
 - Delfi 5.4                         2687  15.5-8.5   (+10-3 =11)   65.1   +81
 - Cheese 1.8 64-bit                 2682   3.5-4.5   (+1 -2 =5 )   72.8   -48
 - Movei 00.8.438 (10 10 10)         2667  13.5-10.5  (+8 -5 =11)   94.1   +10
 - RedQueen 1.1.98 64-bit            2661   5.5-4.5   (+4 -3 =3 )   95.4    -6
 - BugChess2 1.6.4 64-bit            2657  15.5-7.5   (+14-6 =3 )   95.1  +102
 - Colossus 2008b                    2642  15.0-9.0   (+11-5 =8 )   99.8   +27
 - Tucano 3.00 64-bit                2619   4.0-6.0   (+1 -3 =6 )  100.0  -129
 - Phalanx XXV                       2616   6.0-4.0   (+4 -2 =4 )  100.0   -13
 - GreKo 2015 64-bit                 2605   5.0-3.0   (+2 -0 =6 )  100.0   -21


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017