CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Chronos 1.9.6 in CCRL 40/40, 2019-09-14
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:
Chronos 1.9.6 has no rank with rating of 2584 Elo points (+27 -26),
based on 461 games: 150 wins, 136 losses and 175 draws
Score: 51.5%, Average opponent: −11.1, Draws: 38.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - SmarThink 1.10 32-bit             2719   5.0-15.0  (+1 -11=8 )    0.0   -26
 - Slow Chess Blitz WV2.1            2637  15.5-16.5  (+11-12=9 )    0.0   +45
 - Ruffian 2.1.0                     2624  12.5-19.5  (+5 -12=15)    0.4   -22
 - Hamsters 0.7.1                    2620   1.0-1.0   (+0 -0 =2 )    0.9   +36
 - Bison 9.6                         2620   1.5-2.5   (+1 -2 =1 )    2.4   -46
 - ProDeo 1.6                        2618   1.5-0.5   (+1 -0 =1 )    2.1  +176
 - Pharaon 3.5.1                     2614   0.5-1.5   (+0 -1 =1 )    2.4  -112
 - Alfil 8.1.1                       2601  21.5-20.5  (+13-12=17)   12.4   +24
 - Sloppy 0.2.2 32-bit               2599  24.0-28.0  (+13-17=22)   15.0   -10
 - The Baron 2.23 32-bit             2595  26.5-25.5  (+17-16=19)   23.7   +17
 - Petir 4.39                        2593  17.0-15.0  (+10-8 =14)   29.6   +26
 - Jonny 2.83 32-bit                 2576  25.5-24.5  (+16-15=19)   68.8    -4
 - SOS 5.1                           2564  17.5-16.5  (+13-12=9 )   91.4   -11
 - Ufim 8.02                         2544   0.0-2.0   (+0 -2 =0 )   99.6  -INF
 - AnMon 5.66                        2533   4.5-1.5   (+3 -0 =3 )   99.9   +96
 - DanaSah 4.24                      2527   4.0-2.0   (+2 -0 =4 )  100.0   +32
 - GarboChess 2.20 32-bit            2523   2.0-2.0   (+2 -2 =0 )  100.0   -61
 - Brutus 7.02b                      2515   2.0-2.0   (+0 -0 =4 )  100.0   -69
 - Tao 5.6                           2503   1.0-1.0   (+1 -1 =0 )  100.0   -81
 - Hermann 2.4 32-bit                2501   4.0-2.0   (+3 -1 =2 )  100.0   +35
 - Arasan 11.3 32-bit                2501   2.5-2.5   (+1 -1 =3 )  100.0   -90
 - Yace 0.99.87                      2489   1.0-1.0   (+0 -0 =2 )  100.0   -95
 - Cerebro 3.03d                     2482   1.5-2.5   (+1 -2 =1 )  100.0  -197
 - Pepito 1.59 32-bit                2482   1.0-1.0   (+0 -0 =2 )  100.0  -102
 - BBChess 1.3b                      2477   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Anatoli 0.35k                     2476   2.5-1.5   (+2 -1 =1 )  100.0   -22
 - Pupsi2 0.07                       2428  38.0-16.0  (+30-8 =16)  100.0   -14


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019