CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Show each game results
NirvanaChess 1.3 64-bit in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
NirvanaChess 1.3 64-bit has no rank with rating of 2747 Elo points (+31 -31),
based on 342 games: 104 wins, 111 losses and 127 draws
Score: 49.0%, Average opponent: +8.0, 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    +2
 - Hiarcs 13.2                       2899   1.5-8.5   (+0 -7 =3 )    0.0  -100
 - Quazar 0.4 32-bit                 2881   3.5-6.5   (+2 -5 =3 )    0.0   +30
 - Protector 1.4.0 32-bit            2877   5.0-5.0   (+3 -3 =4 )    0.0  +121
 - Gull 1.2 32-bit                   2875   2.5-7.5   (+0 -5 =5 )    0.0   -20
 - SmarThink 1.40 64-bit             2820   5.0-5.0   (+3 -3 =4 )    0.1   +73
 - Crafty 23.8 64-bit                2811   3.5-6.5   (+2 -5 =3 )    0.1   -40
 - DiscoCheck 5.0.1 64-bit           2805   5.5-5.5   (+3 -3 =5 )    0.5   +50
 - Arasan 16.3 64-bit                2782   0.5-3.5   (+0 -3 =1 )    5.0  -252
 - Glaurung 2.2 64-bit               2781   7.0-3.0   (+5 -1 =4 )    3.0  +164
 - Gaviota 0.86 64-bit               2781   2.0-2.0   (+2 -2 =0 )    4.0   +34
 - Naraku 1.4                        2776   1.0-1.0   (+1 -1 =0 )    5.7   +29
 - EXchess 7.18b 64-bit              2774   5.0-9.0   (+4 -8 =2 )    8.3   -78
 - Octochess r5190 64-bit            2772   5.0-11.0  (+3 -9 =4 )    8.1  -106
 - Thinker 5.3b Passive 64-bit       2766   4.0-6.0   (+1 -3 =6 )   17.7   -36
 - GNU Chess 5.50 64-bit             2757   2.0-2.0   (+2 -2 =0 )   30.7   +10
 - Bison 9.11 64-bit                 2751   1.0-1.0   (+0 -0 =2 )   41.4    +4
 - Cheng4 0.36a 64-bit               2747  11.5-14.5  (+8 -11=7 )   51.0   -38
 - Arasan 16.2 64-bit                2740  11.5-9.5   (+7 -5 =9 )   62.6   +24
 - Chronos 1.9.9 64-bit              2738   0.0-2.0   (+0 -2 =0 )   70.1  -INF
 - Deuterium 13.1.31.113 64-bit      2728   5.5-4.5   (+4 -3 =3 )   82.7   +17
 - Bobcat 3.25 64-bit                2724  10.5-3.5   (+7 -0 =7 )   90.6  +125
 - iCE 1.0 64-bit                    2705   9.5-4.5   (+8 -3 =3 )   99.2   +83
 - ProDeo 1.86                       2700  13.5-10.5  (+7 -4 =13)   98.7   -10
 - Chessmaster 11 Conqueror          2690   4.5-5.5   (+3 -4 =3 )   99.9   -92
 - Vajolet 2.48                      2690  12.0-8.0   (+6 -2 =12)   99.6    -3
 - Rodent 1.2 64-bit                 2689   9.5-4.5   (+7 -2 =5 )   99.6   +57
 - Atlas 3.60 64-bit                 2686  10.5-9.5   (+6 -5 =9 )   99.9   -44
 - Pawny 1.0 64-bit                  2658   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   +75


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017