CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (29.7%)
White score: 53.7%

Engine Details

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Zevra 1.5 r446 64-bit in CCRL 40/4, 2019-06-22
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 1.5 r446 64-bit has no rank with rating of 1891 Elo points (+28 -28),
based on 475 games: 215 wins, 177 losses and 83 draws
Score: 54.0%, Average opponent: −30.8, Draws: 17.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Eia 0.3                            1961  11.0-18.0  (+10-17=2 )    0.0   -30
 - Embla 0.9.9 64-bit                 1917  12.5-17.5  (+8 -13=9 )    6.0   -31
 - IACH 0.56z                         1916  16.0-14.0  (+15-13=2 )    4.6   +53
 - Warrior 1.0.3                      1907  11.5-18.5  (+7 -14=9 )   14.7   -61
 - MatMoi 7.15.0-cct 64-bit           1887  14.5-15.5  (+11-12=7 )   59.5   -18
 - MrChess 2.1                        1886  14.0-16.0  (+11-13=6 )   61.3   -29
 - Purple Haze 2.1.0                  1884  17.5-12.5  (+17-12=1 )   67.2   +64
 - Roce 0.0390                        1853  18.0-12.0  (+14-8 =8 )   99.4   +31
 - Deepov 0.4.1 64-bit                1847  13.0-14.0  (+11-12=4 )   99.6   -55
 - Ranita 2.4                         1843  17.0-13.0  (+13-9 =8 )   99.9    -2
 - Sayuri 2017.03.05 64-bit           1834  15.0-15.0  (+13-13=4 )   99.9   -57
 - HeavyChess 0.13 beta               1834  18.5-11.5  (+15-8 =7 )  100.0   +28
 - Ajedrez Tactico 2.73b              1832  21.0-9.0   (+17-5 =8 )  100.0   +82
 - Celes 0.77c                        1826  15.0-15.0  (+14-14=2 )  100.0   -63
 - Pulsar 2009-9b                     1772  16.5-12.5  (+15-11=3 )  100.0   -65
 - Robin 0.983                        1764  25.5-4.5   (+24-3 =3 )  100.0  +180


Created in 2005-2013 by CCRL team
Last games added on June 22, 2019