CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Engine Details

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Zevra 1.6 r497 in CCRL 40/4, 2019-05-19
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: +32.8, 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 )    0.1   +29
 - Heracles 0.6.16                    1921  17.0-13.0  (+13-9 =8 )    0.1   +97
 - Eagle 0.7.5                        1913  13.5-15.5  (+12-14=3 )    0.6   +17
 - Warrior 1.0.3                      1906  10.0-20.0  (+5 -15=10)    1.4   -75
 - Clueless 1.4                       1904  14.5-15.5  (+13-14=3 )    1.9   +21
 - Morphy 3.22                        1903  15.5-14.5  (+11-10=9 )    2.5   +42
 - SnailChess 4.013                   1897  15.0-15.0  (+14-14=2 )    5.3   +25
 - MrChess 2.1                        1886  13.0-17.0  (+9 -13=8 )   19.1   -27
 - Purple Haze 2.1.0                  1884  17.5-12.5  (+16-11=3 )   21.1   +78
 - Simontacchi 1.81                   1862   6.5-14.5  (+5 -13=3 )   68.3  -154
 - Deepov 0.4.1 64-bit                1847  15.5-14.5  (+13-12=5 )   90.4   -11


Created in 2005-2013 by CCRL team
Last games added on May 19, 2019