CCRL 40/4
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 2'089'528 games
played by 2'430 programs
28120 CPU days (X2 4600+)

White wins: 811'498 (38.8%)
Black wins: 656'361 (31.4%)
Draws: 621'669 (29.8%)
White score: 53.7%

Engine Details

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NirvanaChess 2.1c 64-bit in CCRL 40/4, 2019-08-24
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
NirvanaChess 2.1c 64-bit has no rank with rating of 3035 Elo points (+16 -16),
based on 1246 games: 334 wins, 411 losses and 501 draws
Score: 46.9%, Average opponent: +24.5, Draws: 40.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Komodo 9.2 64-bit                  3338   4.5-46.5  (+0 -42=9 )    0.0   -48
 - Komodo 9.1 64-bit                  3314  11.0-39.0  (+2 -30=18)    0.0   +89
 - Gull 3 64-bit                      3192   8.0-42.0  (+3 -37=10)    0.0  -111
 - Fire 4 64-bit                      3191  13.5-36.5  (+5 -28=17)    0.0    +3
 - Equinox 3.30 64-bit                3161  19.0-31.0  (+9 -21=20)    0.0   +48
 - Critter 1.6a 64-bit                3158  16.5-33.5  (+5 -22=23)    0.0   +19
 - Rybka 4.1 64-bit                   3109  21.5-28.5  (+15-22=13)    0.0   +25
 - Deep Fritz 14 64-bit 1CPU          3078  23.0-26.0  (+11-14=24)    0.0   +26
 - Protector 1.8.0 64-bit             3065  21.0-29.0  (+9 -17=24)    0.4   -18
 - Texel 1.05 64-bit                  3053  22.5-27.5  (+10-15=25)    3.1   -10
 - Hannibal 1.5 64-bit                3049  18.5-31.5  (+8 -21=21)    7.6   -65
 - Protector 1.7.0 64-bit             3040  28.5-21.5  (+18-11=21)   32.8   +47
 - Chiron 2 64-bit                    3039  29.5-20.5  (+17-8 =25)   34.9   +56
 - Naum 4.6 64-bit                    3033  23.5-26.5  (+15-18=17)   60.6   -20
 - Alfil 15.7 64-bit                  3031  18.5-13.5  (+8 -3 =21)   65.1   +37
 - Andscacs 0.82 64-bit               3030  14.5-16.5  (+9 -11=11)   65.5   -21
 - Senpai 1.0 64-bit                  3007  29.5-20.5  (+15-6 =29)   99.9   +19
 - Hiarcs 14                          2986  29.5-20.5  (+18-9 =23)  100.0    +6
 - Hakkapeliitta 3.0 64-bit           2984  17.0-15.0  (+10-8 =14)  100.0   -31
 - Fizbo 1.5 64-bit                   2983  30.5-17.5  (+21-8 =19)  100.0   +38
 - Alfil 15.8 64-bit                  2982  31.5-18.5  (+22-9 =19)  100.0   +32
 - Andscacs 0.80 64-bit               2960  20.0-12.0  (+16-8 =8 )  100.0   +14
 - Deep Shredder 12 64-bit            2955  19.0-13.0  (+12-6 =14)  100.0   -22
 - Cheng 4.39 64-bit                  2945  19.0-13.0  (+12-6 =14)  100.0   -33
 - Spark 1.0 64-bit                   2927  15.0-16.0  (+7 -8 =16)  100.0  -115
 - iCE 2.0 64-bit                     2924  19.5-12.5  (+16-9 =7 )  100.0   -33
 - Booot 5.2.0 64-bit                 2922  21.5-8.5   (+17-4 =9 )  100.0   +34
 - Spike 1.4 Leiden                   2922  19.0-13.0  (+11-5 =16)  100.0   -56
 - Fizbo 1.31 64-bit                  2922  20.0-12.0  (+13-5 =14)  100.0   -34


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019