CCRL 40/4
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 1'626'652 games
played by 1'934 programs
21844 CPU days (X2 4600+)

White wins: 635'703 (39.1%)
Black wins: 517'026 (31.8%)
Draws: 473'923 (29.1%)
White score: 53.6%

Engine Details

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Zevra 1.6.1 r512 64-bit in CCRL 40/4, 2018-01-13
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Zevra 1.6.1 r512 64-bit is #377 with rating of 1950 Elo points (+20 -20),
based on 884 games: 327 wins, 346 losses and 211 draws
Score: 48.9%, Average opponent: +7.4, Draws: 23.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - RubiChess 0.6 64-bit               2156  11.0-39.0  (+6 -34=10)    0.0    -9
 - Little Wing 0.4.0 64-bit           2015  15.0-16.0  (+14-15=2 )    0.0   +54
 - Armageddon 2.308                   1989  14.0-18.0  (+9 -13=10)    0.0    -3
 - Small Potato 0.6.1                 1988  13.0-19.0  (+8 -14=10)    0.0   -23
 - BigLion 2.23x                      1985  14.0-18.0  (+10-14=8 )    0.1   -11
 - Embla 1.0.1 64-bit                 1984  14.0-18.0  (+11-15=6 )    0.7   -14
 - Gullydeckel 2.16pl1                1983  14.0-17.0  (+10-13=8 )    0.3    +1
 - Faile 1.4.4                        1974  16.0-16.0  (+10-10=12)    1.7   +24
 - SSEChessII 2.05 DC                 1964  14.5-17.5  (+10-13=9 )   11.0   -19
 - Etude 0.1.2                        1963  19.5-12.5  (+16-9 =7 )   14.1   +93
 - Cilian 4.14                        1961  14.0-18.0  (+10-14=8 )   17.3   -30
 - Eia 0.3                            1960  14.0-16.0  (+11-13=6 )   25.4   -13
 - Chess4j 3.2 64-bit                 1958  17.5-14.5  (+14-11=7 )   26.1   +41
 - ALChess 1.84                       1949  15.0-17.0  (+9 -11=12)   53.0   -19
 - Micro-Max 4.8                      1946  12.5-18.5  (+7 -13=11)   63.1   -69
 - Mustang 4.97                       1945  13.5-14.5  (+9 -10=9 )   65.6   -16
 - JanWillem 1.13                     1945  21.5-10.5  (+18-7 =7 )   66.7  +124
 - BSC 3.9+ 64-bit 20Jan2012          1940  18.0-14.0  (+16-12=4 )   78.2   +39
 - RubiChess 0.5 64-bit               1920  15.0-15.0  (+13-13=4 )   96.7   -30
 - SamChess                           1913  18.0-12.0  (+14-8 =8 )   99.9   +35
 - Embla 0.9.9 64-bit                 1910  17.0-13.0  (+13-9 =8 )   99.8    +8
 - IACH 0.56z                         1910  15.0-14.0  (+13-12=4 )  100.0   -25
 - Dabbaba 7.49                       1909  17.5-12.5  (+13-8 =9 )   99.9   +19
 - Eagle 0.7.5                        1908  13.0-17.0  (+12-16=2 )  100.0   -97
 - Clueless 1.4                       1901  19.5-10.5  (+17-8 =5 )  100.0   +67
 - Warrior 1.0.3                      1899  17.0-13.0  (+15-11=4 )  100.0    +3
 - Morphy 3.22                        1895  13.0-17.0  (+7 -11=12)  100.0   -95
 - SnailChess 4.013                   1893  16.5-13.5  (+12-9 =9 )  100.0   -23


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018