CCRL 40/4
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 2'102'110 games
played by 2'449 programs
28319 CPU days (X2 4600+)

White wins: 816'272 (38.8%)
Black wins: 660'160 (31.4%)
Draws: 625'678 (29.8%)
White score: 53.7%

Engine Details

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Arasan 21.0 64-bit in CCRL 40/4, 2019-09-21
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Arasan 21.0 64-bit has no rank with rating of 3065 Elo points (+14 -14),
based on 1644 games: 356 wins, 527 losses and 761 draws
Score: 44.8%, Average opponent: +33.1, Draws: 46.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 9 64-bit                 3482   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Ethereal 11.00 64-bit              3302   8.5-41.5  (+1 -34=15)    0.0     0
 - Laser 1.6 64-bit                   3188   0.5-0.5   (+0 -0 =1 )    0.0  +153
 - Chiron 4 64-bit                    3165  45.0-92.0  (+13-60=64)    0.0    -6
 - Equinox 3.30 64-bit                3161  34.0-56.0  (+12-34=44)    0.0   +23
 - Xiphos 0.3 64-bit                  3137  16.0-16.0  (+9 -9 =14)    0.0   +72
 - NirvanaChess 2.4 64-bit            3129   9.5-22.5  (+2 -15=15)    0.0   -60
 - Nemorino 5.00 64-bit               3118  46.5-72.5  (+21-47=51)    0.0   -13
 - Texel 1.07 64-bit                  3113  32.5-47.5  (+16-31=33)    0.0   -12
 - Hannibal 1.7 64-bit                3110  34.5-45.5  (+14-25=41)    0.0    +5
 - Rybka 4.1 64-bit                   3109  33.0-47.0  (+14-28=38)    0.0   -10
 - Pedone 1.8 64-bit                  3107  11.5-20.5  (+3 -12=17)    0.0   -40
 - Laser 1.5 64-bit                   3095  79.5-91.5  (+42-54=75)    0.0    +7
 - Protector 1.9.0 64-bit             3085  55.0-67.0  (+22-34=66)    0.5    -9
 - Vajolet2 2.6 64-bit                3084  18.0-15.0  (+11-8 =14)    2.3   +45
 - Senpai 2.0 64-bit                  3084  85.0-87.0  (+40-42=90)    0.9   +15
 - iCE 3.0 64-bit                     3081  20.0-13.0  (+13-6 =14)    2.1   +84
 - Nemorino 4.00 64-bit               3067  13.5-18.5  (+6 -11=15)   42.7   -48
 - Pedone 1.7 64-bit                  3053  15.0-17.0  (+9 -11=12)   90.4   -32
 - Defenchess 1.1f 64-bit             3047  17.0-15.0  (+9 -7 =16)   98.2     0
 - SmarThink 1.98 64-bit              3037  24.0-9.0   (+20-5 =8 )  100.0  +137
 - Naum 4.6 64-bit                    3033  43.5-37.5  (+25-19=37)  100.0    -8
 - chess22k 1.11 64-bit               3031  17.0-15.0  (+9 -7 =16)   99.9   -14
 - Wasp 3.0 64-bit                    3024  20.5-11.5  (+12-3 =17)  100.0   +42
 - Rodent III 0.273 64-bit            3001  17.0-14.0  (+11-8 =12)  100.0   -32
 - ChessBrainVB 3.70                  3000  16.5-15.5  (+9 -8 =15)  100.0   -54
 - chess22k 1.10 64-bit               2995  16.5-16.5  (+8 -8 =17)  100.0   -71
 - Crafty 25.2 64-bit                 2933   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Atlas 3.91 64-bit                  2926   0.5-0.5   (+0 -0 =1 )  100.0  -108
 - EXchess 7.97b 64-bit               2913   0.5-0.5   (+0 -0 =1 )  100.0  -121
 - DisasterArea 1.65 64-bit           2865   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Zappa Mexico II 64-bit             2844   0.5-0.5   (+0 -0 =1 )  100.0  -190
 - Fruit 2.3.1                        2781   0.5-0.5   (+0 -0 =1 )  100.0  -253
 - BugChess2 1.9 64-bit               2759   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Shield 2.1 64-bit                  2739   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Alaric 707                         2663   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019