CCRL 40/4
Downloads and Statistics
June 25, 2019
Testing summary:
Total: 2'055'166 games
played by 2'374 programs
27559 CPU days (X2 4600+)

White wins: 798'582 (38.9%)
Black wins: 646'405 (31.5%)
Draws: 610'179 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
Zevra 1.6.1 r512 64-bit in CCRL 40/4, 2019-06-25
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 1.6.1 r512 64-bit has no rank with rating of 1954 Elo points (+20 -20),
based on 884 games: 327 wins, 346 losses and 211 draws
Score: 48.9%, Average opponent: +7.8, Draws: 23.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - RubiChess 0.6 64-bit               2159  11.0-39.0  (+6 -34=10)    0.0   -10
 - Little Wing 0.4.0 64-bit           2017  15.0-16.0  (+14-15=2 )    0.0   +52
 - Small Potato 0.6.1                 1993  13.0-19.0  (+8 -14=10)    0.0   -22
 - Gullydeckel 2.16pl1                1992  14.0-17.0  (+10-13=8 )    0.0    +6
 - BigLion 2.23x                      1989  14.0-18.0  (+10-14=8 )    0.1   -11
 - Armageddon 2.308                   1987  14.0-18.0  (+9 -13=10)    0.3    -9
 - Embla 1.0.1 64-bit                 1987  14.0-18.0  (+11-15=6 )    0.7   -15
 - Faile 1.4.4                        1978  16.0-16.0  (+10-10=12)    1.7   +24
 - SSEChessII 2.05 DC                 1968  14.5-17.5  (+10-13=9 )   11.7   -19
 - Cilian 4.14                        1961  14.0-18.0  (+10-14=8 )   27.0   -34
 - Eia 0.3                            1961  14.0-16.0  (+11-13=6 )   30.8   -16
 - ALChess 1.84                       1960  15.0-17.0  (+9 -11=12)   32.6   -12
 - Mustang 4.97                       1958  13.5-14.5  (+9 -10=9 )   38.3    -7
 - Chess4j 3.2 64-bit                 1957  17.5-14.5  (+14-11=7 )   40.6   +36
 - Etude 0.1.2                        1955  19.5-12.5  (+16-9 =7 )   47.8   +81
 - Micro-Max 4.8                      1954  12.5-18.5  (+7 -13=11)   52.7   -65
 - JanWillem 1.13                     1951  21.5-10.5  (+18-7 =7 )   60.0  +126
 - BSC 3.9+ 64-bit 20Jan2012          1945  18.0-14.0  (+16-12=4 )   76.9   +40
 - RubiChess 0.5 64-bit               1929  15.0-15.0  (+13-13=4 )   94.1   -25
 - SamChess                           1919  18.0-12.0  (+14-8 =8 )   99.8   +37
 - IACH 0.56z                         1917  15.0-14.0  (+13-12=4 )   99.9   -22
 - Embla 0.9.9 64-bit                 1917  17.0-13.0  (+13-9 =8 )   99.7   +11
 - Eagle 0.7.5                        1914  13.0-17.0  (+12-16=2 )  100.0   -95
 - Dabbaba 7.49                       1907  17.5-12.5  (+13-8 =9 )  100.0   +13
 - Warrior 1.0.3                      1907  17.0-13.0  (+15-11=4 )  100.0    +7
 - Clueless 1.4                       1905  19.5-10.5  (+17-8 =5 )  100.0   +67
 - Morphy 3.22                        1904  13.0-17.0  (+7 -11=12)  100.0   -90
 - SnailChess 4.013                   1898  16.5-13.5  (+12-9 =9 )  100.0   -22


Created in 2005-2013 by CCRL team
Last games added on June 25, 2019