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

Options
Show each game results
Zevra 1.8.1 r594 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 1.8.1 r594 64-bit has no rank with rating of 2152 Elo points (+32 -31),
based on 410 games: 242 wins, 95 losses and 73 draws
Score: 67.9%, Average opponent: −132.7, Draws: 17.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fire 6.1 64-bit                    3288   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Defenchess (SCTR) 1.1f 64-bit      3047   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Devel 1.8090                       2707   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Tiny Chess 1.46 64-bit             2136  13.5-10.5  (+12-9 =3 )   80.7   +34
 - Fortress 1.62                      2134  13.5-10.5  (+11-8 =5 )   86.2   +27
 - Gunborg 1.35 64-bit                2069  14.5-13.5  (+12-11=5 )  100.0   -70
 - Abbess 2016.12.11                  2038  17.0-12.0  (+14-9 =6 )  100.0   -53
 - ZCT 0.3.2500 64-bit                2023  18.5-10.5  (+17-9 =3 )  100.0   -19
 - Little Wing 0.4.0 64-bit           2016  19.5-8.5   (+17-6 =5 )  100.0   +13
 - Leonidas 83 64-bit                 2005  20.0-8.0   (+16-4 =8 )  100.0    +4
 - Gullydeckel 2.16pl1                1992  21.0-9.0   (+18-6 =6 )  100.0   -10
 - BigLion 2.23x                      1988  21.5-8.5   (+18-5 =7 )  100.0    -5
 - Bubble 1.5                         1987  23.0-7.0   (+20-4 =6 )  100.0   +37
 - Arabian Knight 1.55                1987   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Monik 2.2.3 64-bit                 1968  23.0-7.0   (+21-5 =4 )  100.0   +32
 - La Dame Blanche 2.0c               1968  24.0-6.0   (+21-3 =6 )  100.0   +43
 - SSEChessII 2.05 DC                 1967  23.5-6.5   (+21-4 =5 )  100.0   +39
 - Sissa 2.0                          1967   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Eia 0.3                            1961  19.5-10.5  (+18-9 =3 )  100.0   -70
 - Mustang 4.97                       1957   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Jabba 13032012                     1914   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Pigeon 1.5.1 64-bit                1800   0.5-0.5   (+0 -0 =1 )  100.0  -382
 - Embracer 1.12                      1785   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Ziggy 0.7                          1746   1.0-0.0   (+1 -0 =0 )  100.0  +INF


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