CCRL 40/40
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 821'008 games
played by 2'134 programs
114427 CPU days (X2 4600+)

White wins: 281'674 (34.3%)
Black wins: 208'551 (25.4%)
Draws: 330'783 (40.3%)
White score: 54.5%

Engine Details

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NirvanaChess 1.3 64-bit in CCRL 40/40, 2018-04-21
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:
NirvanaChess 1.3 64-bit has no rank with rating of 2748 Elo points (+31 -31),
based on 342 games: 104 wins, 111 losses and 127 draws
Score: 49.0%, Average opponent: +7.3, Draws: 37.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Hannibal 1.2 32-bit                2904   2.5-7.5   (+0 -5 =5 )    0.0    +1
 - Hiarcs 13.2                        2899   1.5-8.5   (+0 -7 =3 )    0.0  -101
 - Protector 1.4.0 32-bit             2879   5.0-5.0   (+3 -3 =4 )    0.0  +122
 - Quazar 0.4 32-bit                  2879   3.5-6.5   (+2 -5 =3 )    0.0   +27
 - Gull 1.2 32-bit                    2875   2.5-7.5   (+0 -5 =5 )    0.0   -21
 - SmarThink 1.40 64-bit              2820   5.0-5.0   (+3 -3 =4 )    0.1   +72
 - Crafty 23.8 64-bit                 2811   3.5-6.5   (+2 -5 =3 )    0.1   -41
 - DiscoCheck 5.0.1 64-bit            2805   5.5-5.5   (+3 -3 =5 )    0.5   +49
 - Arasan 16.3 64-bit                 2783   0.5-3.5   (+0 -3 =1 )    5.0  -252
 - Glaurung 2.2 64-bit                2781   7.0-3.0   (+5 -1 =4 )    3.1  +163
 - Gaviota 0.86 64-bit                2781   2.0-2.0   (+2 -2 =0 )    3.9   +33
 - Naraku 1.4                         2776   1.0-1.0   (+1 -1 =0 )    5.8   +28
 - EXchess 7.18b 64-bit               2774   5.0-9.0   (+4 -8 =2 )    8.3   -79
 - Octochess r5190 64-bit             2772   5.0-11.0  (+3 -9 =4 )    8.2  -107
 - Thinker 5.3b Passive 64-bit        2766   4.0-6.0   (+1 -3 =6 )   18.1   -37
 - GNU Chess 5.50 64-bit              2757   2.0-2.0   (+2 -2 =0 )   30.7    +9
 - Bison 9.11 64-bit                  2755   1.0-1.0   (+0 -0 =2 )   33.1    +7
 - Cheng4 0.36a 64-bit                2747  11.5-14.5  (+8 -11=7 )   51.0   -39
 - Arasan 16.2 64-bit                 2740  11.5-9.5   (+7 -5 =9 )   62.7   +23
 - Chronos 1.9.9 64-bit               2739   0.0-2.0   (+0 -2 =0 )   69.8  -INF
 - Deuterium 13.1.31.113 64-bit       2728   5.5-4.5   (+4 -3 =3 )   82.9   +16
 - Bobcat 3.25 64-bit                 2724  10.5-3.5   (+7 -0 =7 )   90.5  +124
 - iCE 1.0 64-bit                     2705   9.5-4.5   (+8 -3 =3 )   99.1   +82
 - ProDeo 1.86                        2701  13.5-10.5  (+7 -4 =13)   98.7   -10
 - Vajolet 2.48                       2691  12.0-8.0   (+6 -2 =12)   99.6    -3
 - Chessmaster 11 Conqueror           2690   4.5-5.5   (+3 -4 =3 )   99.9   -93
 - Rodent 1.2 64-bit                  2690   9.5-4.5   (+7 -2 =5 )   99.6   +57
 - Atlas 3.60 64-bit                  2687  10.5-9.5   (+6 -5 =9 )   99.9   -44
 - Pawny 1.0 64-bit                   2659   5.0-5.0   (+4 -4 =2 )  100.0   -89
 - RedQueen 1.1.4 64-bit              2652   7.5-2.5   (+6 -1 =3 )  100.0   +74


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018