CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

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Arasan 12.1 64-bit in CCRL 40/40, 2018-01-13
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:
Arasan 12.1 64-bit has no rank with rating of 2553 Elo points (+36 -36),
based on 274 games: 96 wins, 108 losses and 70 draws
Score: 47.8%, Average opponent: +15.6, Draws: 25.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - WildCat 8                          2628   9.5-14.5  (+7 -12=5 )    0.0    +1
 - Sloppy 0.2.2 64-bit                2611  12.5-11.5  (+10-9 =5 )    0.2   +72
 - Alfil 8.1.1                        2600  10.5-13.5  (+7 -10=7 )    0.7    +6
 - Petir 4.39                         2596  11.0-13.0  (+7 -9 =8 )    2.0   +13
 - N2 0.4 64-bit                      2590  11.5-12.5  (+10-11=3 )    2.8   +19
 - Amyan 1.72                         2590   7.5-16.5  (+3 -12=9 )    2.6   -85
 - Rotor 0.5                          2564  14.0-10.0  (+12-8 =4 )   27.8   +74
 - SOS 5.1                            2562   7.5-16.5  (+4 -13=7 )   30.8  -120
 - Ufim 8.02                          2542  11.5-12.5  (+9 -10=5 )   70.4   -29
 - K2 0.83                            2531   4.0-4.0   (+2 -2 =4 )   83.8   -16
 - Fridolin 2.0 64-bit                2525   5.5-4.5   (+4 -3 =3 )   91.9    +7
 - Tao 5.6                            2502  17.0-7.0   (+14-4 =6 )   99.4   +97
 - Shield 1.2 64-bit                  2473   6.5-1.5   (+6 -1 =1 )  100.0  +179
 - Carballo 1.3                       2458   2.5-5.5   (+1 -4 =3 )  100.0  -217


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018