CCRL 40/15
Downloads and Statistics
August 8, 2020
Testing summary:
Total: 1'167'960 games
played by 2'693 programs

White wins: 402'856 (34.5%)
Black wins: 297'658 (25.5%)
Draws: 467'446 (40.0%)
White score: 54.5%

Engine Details

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NirvanaChess 2.1c 64-bit in CCRL 40/15, 2020-08-08
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, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
NirvanaChess 2.1c 64-bit has no rank with rating of 3022 Elo points (+23 -23),
based on 564 games: 131 wins, 134 losses and 299 draws
Score: 49.7%, Average opponent: +2.0, Draws: 53.0%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 6 64-bit                      3225   4.0-8.0   (+0 -4 =8 )    0.0  +111
 - Fire 4 64-bit                           3145   5.5-16.5  (+3 -14=5 )    0.0   -61
 - Gull 3 64-bit                           3120   7.0-17.0  (+3 -13=8 )    0.0   -45
 - Strelka 5.5 64-bit                      3104   3.5-6.5   (+1 -4 =5 )    0.0    -4
 - Critter 1.6a 64-bit                     3101   8.0-14.0  (+1 -7 =14)    0.0    +3
 - Equinox 3.30 64-bit                     3086  11.5-12.5  (+3 -4 =17)    0.0   +53
 - Rybka 4.1 64-bit                        3078   6.5-5.5   (+4 -3 =5 )    0.0   +83
 - Bouquet 1.8 64-bit                      3074   6.5-13.5  (+2 -9 =9 )    0.0   -59
 - Alfil 15.7 64-bit                       3058   2.0-2.0   (+0 -0 =4 )    0.4   +36
 - BlackMamba 2.0 64-bit                   3056  11.0-13.0  (+4 -6 =14)    0.3   +12
 - Vitruvius 1.11C 64-bit                  3049   1.0-1.0   (+0 -0 =2 )    2.6   +27
 - Rybka 3 64-bit                          3046   4.0-4.0   (+1 -1 =6 )    3.1   +28
 - Elektro 1.2 64-bit                      3041   7.5-6.5   (+3 -2 =9 )    9.5   +39
 - Hannibal 1.5 64-bit                     3040  18.0-14.0  (+10-6 =16)    8.6   +53
 - Sting SF 5 64-bit                       3040  15.0-18.0  (+5 -8 =20)   10.3    -8
 - Protector 1.8.0 64-bit                  3039  12.5-15.5  (+5 -8 =15)   12.1   -13
 - Chiron 2 64-bit                         3015  10.0-10.0  (+5 -5 =10)   70.7    -4
 - Naum 4.6 64-bit                         3012  14.5-14.5  (+5 -5 =19)   78.2    -8
 - Protector 1.7.0 64-bit                  3010   4.5-5.5   (+1 -2 =7 )   79.8   -39
 - Texel 1.05 64-bit                       3009  13.5-10.5  (+9 -6 =9 )   82.9   +25
 - Andscacs 0.82 64-bit                    3009   7.5-8.5   (+3 -4 =9 )   79.1   -36
 - Andscacs 0.81 64-bit                    3004   4.5-5.5   (+2 -3 =5 )   85.6   -45
 - Alfil 15.8 64-bit                       2964   4.0-2.0   (+2 -0 =4 )  100.0   +31
 - Andscacs 0.80 64-bit                    2961  15.0-11.0  (+7 -3 =16)  100.0   -21
 - Senpai 1.0 64-bit                       2961   6.0-4.0   (+3 -1 =6 )  100.0    -5
 - Hiarcs 14                               2961   5.5-4.5   (+3 -2 =5 )  100.0   -29
 - Fizbo 1.5 64-bit                        2957  12.0-10.0  (+6 -4 =12)  100.0   -38
 - Deep Shredder 12 64-bit                 2939   6.5-3.5   (+4 -1 =5 )  100.0    +5
 - Fizbo 1.4 64-bit                        2929   7.0-3.0   (+5 -1 =4 )  100.0   +37
 - Cheng 4.39 64-bit                       2921  15.0-5.0   (+11-1 =8 )  100.0   +60
 - Deep Junior Yokohama 64-bit             2919   4.0-6.0   (+1 -3 =6 )  100.0  -158
 - SmarThink 1.70 64-bit                   2918   6.5-3.5   (+4 -1 =5 )  100.0   -17
 - Vajolet2 2.0 64-bit                     2917   8.0-2.0   (+6 -0 =4 )  100.0   +90
 - DiscoCheck 5.2 64-bit                   2900   6.5-3.5   (+4 -1 =5 )  100.0   -30
 - Cheng4 0.38 64-bit                      2890   6.5-3.5   (+5 -2 =3 )  100.0   -27


Created in 2005-2013 by CCRL team
Last games added on August 8, 2020