CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Arasan 20.5 64-bit in CCRL 40/15, 2021-05-08
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Arasan 20.5 64-bit has no rank with rating of 3023 Elo points (+20 -20),
based on 709 games: 169 wins, 178 losses and 362 draws
Score: 49.4%, Average opponent: +2.6, Draws: 51.1%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fizbo 2 64-bit                          3195   3.5-8.5   (+1 -6 =5 )    0.0   +39
 - Andscacs 0.93 64-bit                    3168   2.5-11.5  (+0 -9 =5 )    0.0   -72
 - Booot 6.2 64-bit                        3141   4.5-9.5   (+1 -6 =7 )    0.0   +12
 - Chiron 4 64-bit                         3113   4.0-10.0  (+1 -7 =6 )    0.0   -46
 - Roc 0.7 64-bit                          3113   3.5-8.5   (+0 -5 =7 )    0.0   -26
 - Fritz 16 64-bit                         3099   5.5-6.5   (+3 -4 =5 )    0.0   +48
 - NirvanaChess 2.4 64-bit                 3098   3.5-9.5   (+1 -7 =5 )    0.0   -81
 - Equinox 3.20 64-bit                     3093   5.0-7.0   (+1 -3 =8 )    0.0   +22
 - Fritz 15 64-bit                         3092   4.0-8.0   (+1 -5 =6 )    0.0   -32
 - Komodo 12.1.1 MCTS 64-bit               3078  17.5-22.5  (+8 -13=19)    0.0   +19
 - Hannibal 1.7 64-bit                     3078   3.5-8.5   (+1 -6 =5 )    0.0   -79
 - Laser 1.5 64-bit                        3070   6.0-6.0   (+2 -2 =8 )    0.0   +47
 - Protector 1.9.0 64-bit                  3056   5.5-6.5   (+3 -4 =5 )    0.1    +5
 - Alfil 15.7 64-bit                       3055   4.5-7.5   (+0 -3 =9 )    0.4   -30
 - BlackMamba 2.0 64-bit                   3054   7.0-7.0   (+3 -3 =8 )    0.3   +33
 - Ethereal 9.65 64-bit                    3039  13.0-22.0  (+3 -12=20)   11.1   -56
 - Arasan 21.0 64-bit                      3039  13.5-16.5  (+2 -5 =23)   10.2    -9
 - Nemorino 4.00 64-bit                    3038   7.5-8.5   (+4 -5 =7 )   12.7    -5
 - Critter 0.90 64-bit                     3035   6.0-7.0   (+4 -5 =4 )   22.3   -15
 - ChessBrainVB 3.66                       3033   6.5-11.5  (+1 -6 =11)   24.6   -69
 - Senpai 2.0 64-bit                       3030   4.5-7.5   (+1 -4 =7 )   25.9   -65
 - Vitruvius 1.11C 32-bit                  3028   7.0-5.0   (+4 -2 =6 )   33.5   +53
 - SmarThink 1.98 64-bit                   3024   7.0-9.0   (+4 -6 =6 )   45.0   -38
 - Xiphos 0.2 64-bit                       3022   8.0-9.0   (+3 -4 =10)   52.8   -14
 - IvanHoe 9.46h 32-bit                    3021   9.0-3.0   (+7 -1 =4 )   54.4  +164
 - Deep Fritz 14 64-bit 1CPU               3016  27.0-20.0  (+16-9 =22)   71.4   +39
 - Rybka 4 32-bit                          3016   6.0-6.0   (+2 -2 =8 )   68.9   -10
 - Stockfish 2.0.1 32-bit                  3011   7.0-5.0   (+4 -2 =6 )   81.0   +40
 - Pedone 1.7 64-bit                       3011  11.0-5.0   (+6 -0 =10)   80.5   +89
 - Sting SF 9.9 64-bit                     3009   1.0-3.0   (+0 -2 =2 )   85.8  -164
 - Komodo 2.03 32-bit                      3006   5.5-6.5   (+4 -5 =3 )   88.9   -44
 - Ethereal 9.30 64-bit                    3002   6.5-7.5   (+2 -3 =9 )   89.2   -41
 - Vajolet2 2.5 64-bit                     2999  10.0-6.0   (+5 -1 =10)   95.8   +48
 - Defenchess 1.1f 64-bit                  2995   8.5-7.5   (+5 -4 =7 )   98.9    -4
 - Wasp 3.0 64-bit                         2982  19.0-13.0  (+12-6 =14)  100.0   +18
 - Rodent III 0.238 64-bit                 2980  10.0-6.0   (+5 -1 =10)  100.0   +27
 - Naum 4 64-bit                           2954   8.0-4.0   (+6 -2 =4 )  100.0   +38
 - chess22k 1.9 64-bit                     2950   7.5-4.5   (+3 -0 =9 )  100.0    -8
 - Crafty 25.2 64-bit                      2930  11.0-3.0   (+8 -0 =6 )  100.0   +88
 - chess22k 1.8 64-bit                     2929   7.5-5.5   (+4 -2 =7 )  100.0   -46
 - Bobcat 8.0 64-bit                       2922  10.5-7.5   (+5 -2 =11)  100.0   -54
 - Deuterium 2018.1.35.514 64-bit          2912  29.5-12.5  (+21-4 =17)  100.0   +18
 - Zappa Mexico II 64-bit                  2852   0.5-0.5   (+0 -0 =1 )  100.0  -201
 - Dorky 4.5 64-bit                        2500   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Myrddin 0.87 64-bit                     2396   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on May 8, 2021