CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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NirvanaChess 2.0a 64-bit in CCRL 40/15, 2021-02-27
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:
NirvanaChess 2.0a 64-bit has no rank with rating of 2983 Elo points (+23 -23),
based on 571 games: 176 wins, 131 losses and 264 draws
Score: 53.9%, Average opponent: −24.8, Draws: 46.2%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 6 64-bit                      3223   4.0-28.0  (+0 -24=8 )    0.0   -47
 - Sting SF 4.7 64-bit                     3063   2.5-7.5   (+0 -5 =5 )    0.0   -71
 - Sting SF 4.8.4 64-bit                   3062   4.5-5.5   (+1 -2 =7 )    0.0   +47
 - Hannibal 1.5 64-bit                     3038   2.0-2.0   (+0 -0 =4 )    0.0   +55
 - Sting SF 5 64-bit                       3038   8.0-12.0  (+4 -8 =8 )    0.0   -10
 - Demolito 2019-07-15 64-bit              3033   4.0-6.0   (+1 -3 =6 )    0.1    -5
 - Deep Fritz 14 64-bit 1CPU               3017  13.0-19.0  (+1 -7 =24)    0.5   -14
 - Chiron 2 64-bit                         3013   8.5-7.5   (+6 -5 =5 )    1.2   +52
 - Naum 4.6 64-bit                         3010   8.5-7.5   (+3 -2 =11)    1.9   +44
 - Protector 1.7.0 64-bit                  3008  10.0-10.0  (+2 -2 =16)    4.1   +25
 - Texel 1.05 64-bit                       3007   8.0-10.0  (+5 -7 =6 )    4.0    -9
 - Hannibal 1.4b 64-bit                    2999   5.0-7.0   (+1 -3 =8 )   10.8   -25
 - Gull R375 64-bit                        2985   6.5-3.5   (+5 -2 =3 )   44.1  +106
 - Texel 1.04 64-bit                       2970   6.5-6.5   (+4 -4 =5 )   79.8   -16
 - Rybka 2.3.2a 64-bit                     2961   2.0-2.0   (+1 -1 =2 )   95.6   -22
 - Andscacs 0.80 64-bit                    2960   7.0-7.0   (+5 -5 =4 )   91.1   -26
 - Senpai 1.0 64-bit                       2960  16.0-15.0  (+8 -7 =16)   96.3   -13
 - Hiarcs 14                               2959   4.5-2.5   (+2 -0 =5 )   96.7   +45
 - Andscacs 0.72 64-bit                    2958   3.5-5.5   (+0 -2 =7 )   92.0   -73
 - Deep Sjeng c't 2010                     2939   1.5-0.5   (+1 -0 =1 )  100.0  +113
 - Deep Shredder 12 64-bit                 2938   7.5-8.5   (+2 -3 =11)  100.0   -60
 - Deep Junior Yokohama 64-bit             2918   9.5-7.5   (+5 -3 =9 )  100.0   -33
 - SmarThink 1.70 64-bit                   2916  13.0-4.0   (+11-2 =4 )  100.0  +130
 - Vajolet2 2.0 64-bit                     2915   4.0-4.0   (+3 -3 =2 )  100.0   -74
 - Spike 1.4 Leiden                        2913   1.5-0.5   (+1 -0 =1 )  100.0   +87
 - Quazar 0.4 64-bit                       2904   8.0-4.0   (+6 -2 =4 )  100.0   +32
 - Rybka 1.1 64-bit                        2902   5.5-4.5   (+3 -2 =5 )  100.0   -57
 - DiscoCheck 5.2 64-bit                   2898   6.5-3.5   (+4 -1 =5 )  100.0    -1
 - DiscoCheck 5.2.1 64-bit                 2893   6.0-4.0   (+4 -2 =4 )  100.0   -31
 - Fizbo 1.31 64-bit                       2892  13.0-7.0   (+7 -1 =12)  100.0    -9
 - Booot 5.2.0 64-bit                      2892  11.5-8.5   (+7 -4 =9 )  100.0   -40
 - iCE 2.0 64-bit                          2891  13.0-7.0   (+10-4 =6 )  100.0   +13
 - Deuterium 14.3.34.130 64-bit            2890  13.5-6.5   (+9 -2 =9 )  100.0   +14
 - Cheng4 0.38 64-bit                      2888   7.0-1.0   (+6 -0 =2 )  100.0  +190
 - Andscacs 0.71 64-bit                    2878  18.5-6.5   (+14-2 =9 )  100.0   +52
 - Vajolet2 1.45 64-bit                    2865  10.0-4.0   (+8 -2 =4 )  100.0   +29
 - Gaviota 1.0 64-bit                      2858   9.0-9.0   (+6 -6 =6 )  100.0  -122
 - Toga II 3.0                             2849  12.0-2.0   (+10-0 =4 )  100.0  +127
 - Arasan 17.4 64-bit                      2841   6.5-3.5   (+5 -2 =3 )  100.0   -42
 - DisasterArea 1.54 64-bit                2826   7.0-3.0   (+5 -1 =4 )  100.0   -28


Created in 2005-2013 by CCRL team
Last games added on February 27, 2021