CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Arasan 20.4.1 64-bit 4CPU in CCRL 40/40, 2019-08-17
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:
Arasan 20.4.1 64-bit 4CPU has no rank with rating of 3119 Elo points (+26 -26),
based on 452 games: 120 wins, 105 losses and 227 draws
Score: 51.7%, Average opponent: −10.1, Draws: 50.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Fritz 16 64-bit 4CPU              3192  10.5-29.5  (+4 -23=13)    0.0   -89
 - Chiron 4 64-bit 4CPU              3191   3.5-6.5   (+0 -3 =7 )    0.0    -8
 - Komodo 12.1.1 MCTS 64-bit 4CPU    3182  16.0-24.0  (+8 -16=16)    0.0    -1
 - NirvanaChess 2.4 64-bit 4CPU      3180  15.0-15.0  (+7 -7 =16)    0.0   +63
 - Xiphos 0.3 64-bit 4CPU            3178  10.0-10.0  (+4 -4 =12)    0.0   +57
 - Equinox 3.20 64-bit 4CPU          3175   5.0-5.0   (+1 -1 =8 )    0.0   +56
 - Booot 6.1 64-bit 4CPU             3167   4.0-6.0   (+1 -3 =6 )    0.2    -7
 - Fritz 15 64-bit 4CPU              3161   5.0-5.0   (+3 -3 =4 )    0.2   +42
 - Hannibal 1.7 64-bit 4CPU          3154   3.5-6.5   (+1 -4 =5 )    1.0   -51
 - Andscacs 0.86 64-bit 4CPU         3145   4.0-4.0   (+1 -1 =6 )    6.8   +26
 - Alfil 15.7 64-bit 4CPU            3137   4.0-6.0   (+0 -2 =8 )   13.5   -34
 - ChessBrainVB 3.68 4CPU            3124   7.5-8.5   (+3 -4 =9 )   41.2   -13
 - Stockfish 1.9.1 64-bit 4CPU       3112   4.5-5.5   (+2 -3 =5 )   67.3   -37
 - ChessBrainVB 3.66 4CPU            3106   4.5-5.5   (+2 -3 =5 )   75.8   -36
 - Strelka 5.5 64-bit                3103   4.0-6.0   (+1 -3 =6 )   88.1   -74
 - Sting SF 9 64-bit 4CPU            3096   4.5-5.5   (+1 -2 =7 )   87.0   -47
 - Nemorino 4.00 64-bit 4CPU         3095  15.5-12.5  (+6 -3 =19)   93.1    +4
 - Rodent III 0.238 64-bit 4CPU      3069  19.5-10.5  (+12-3 =15)   99.9   +36
 - Defenchess 1.1f 64-bit 4CPU       3065   6.0-4.0   (+4 -2 =4 )  100.0    +8
 - Pedone 1.6 64-bit 4CPU            3053   7.5-2.5   (+5 -0 =5 )  100.0   +82
 - Ethereal 9.00 64-bit 4CPU         3050  18.0-12.0  (+13-7 =10)  100.0    -4
 - Naum 4 64-bit 4CPU                3046   7.0-3.0   (+5 -1 =4 )  100.0   +50
 - Vajolet2 2.4 64-bit 4CPU          3042  20.0-10.0  (+13-3 =14)  100.0   +25
 - Wasp 2.01 64-bit 4CPU             3031   5.5-4.5   (+2 -1 =7 )  100.0   -63
 - Rybka 2.1 64-bit 4CPU             2997   6.0-4.0   (+4 -2 =4 )  100.0   -59
 - Toga II 4.0 64-bit 4CPU           2957  23.0-7.0   (+17-1 =12)  100.0   +11


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019