CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Zevra 1.6 r497 in CCRL 40/4, 2019-09-14
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:
Zevra 1.6 r497 has no rank with rating of 1870 Elo points (+31 -31),
based on 379 games: 135 wins, 169 losses and 75 draws
Score: 45.5%, Average opponent: +32.7, Draws: 19.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - JanWillem 1.13                     1951  12.0-18.0  (+8 -14=8 )    0.0   +11
 - BibiChess 0.5                      1927   9.0-21.0  (+6 -18=6 )    0.0   -93
 - Smash 1.0.3                        1924  13.5-15.5  (+10-12=7 )    0.0   +29
 - Heracles 0.6.16                    1922  17.0-13.0  (+13-9 =8 )    0.1   +98
 - Eagle 0.7.5                        1911  13.5-15.5  (+12-14=3 )    0.7   +15
 - Warrior 1.0.3                      1907  10.0-20.0  (+5 -15=10)    1.2   -74
 - Clueless 1.4                       1905  14.5-15.5  (+13-14=3 )    1.7   +22
 - Morphy 3.22                        1903  15.5-14.5  (+11-10=9 )    2.5   +42
 - SnailChess 4.013                   1895  15.0-15.0  (+14-14=2 )    6.7   +23
 - Purple Haze 2.1.0                  1884  17.5-12.5  (+16-11=3 )   20.9   +78
 - MrChess 2.1                        1884  13.0-17.0  (+9 -13=8 )   21.9   -29
 - Simontacchi 1.81                   1862   6.5-14.5  (+5 -13=3 )   68.6  -154
 - Deepov 0.4.1 64-bit                1849  15.5-14.5  (+13-12=5 )   88.1    -9


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019