CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Zevra 1.8.5 r664 64-bit in CCRL 40/40, 2019-09-21
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Zevra 1.8.5 r664 64-bit has no rank with rating of 2247 Elo points (+29 -29),
based on 447 games: 195 wins, 143 losses and 109 draws
Score: 55.8%, Average opponent: −41.3, Draws: 24.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Taltos rev118 64-bit               2436   0.5-3.5   (+0 -3 =1 )    0.0  -100
 - TJchess 1.3 64-bit                 2434   1.0-3.0   (+0 -2 =2 )    0.0   +37
 - Ares 1.005.2.1 64-bit              2421   2.0-2.0   (+1 -1 =2 )    0.0  +174
 - Nemeton 1.7                        2419   5.5-26.5  (+4 -25=3 )    0.0  -113
 - Jonesy 1.0 64-bit                  2410   4.0-4.0   (+3 -3 =2 )    0.0  +163
 - Popochin 4.1 64-bit                2392   1.5-2.5   (+1 -2 =1 )    0.0   +62
 - Isa 2.0.64 64-bit                  2360   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - FireFly 2.7.2 64-bit               2331   2.0-2.0   (+1 -1 =2 )    0.0   +94
 - EveAnn 1.72                        2319   2.5-1.5   (+2 -1 =1 )    0.0  +154
 - KnightX 1.93 64-bit                2319   5.5-4.5   (+5 -4 =1 )    0.0  +115
 - Kingfisher 1.1.1 64-bit            2314   3.5-8.5   (+1 -6 =5 )    0.0   -67
 - Asymptote 0.2.0 64-bit             2314   2.5-3.5   (+2 -3 =1 )    0.0     0
 - CT800 1.34 64-bit                  2294   3.5-6.5   (+3 -6 =1 )    0.5   -75
 - Kingfisher 1.0 64-bit              2280   6.5-3.5   (+5 -2 =3 )    5.4  +132
 - Ayito 0.2.994                      2265   4.0-8.0   (+2 -6 =4 )   15.9   -92
 - Weini 0.0.23 64-bit                2240  17.0-23.0  (+13-19=8 )   64.0   -59
 - Dolphin 1.0 64-bit                 2230   6.0-6.0   (+5 -5 =2 )   83.0   -21
 - Tiny Chess 1.46 64-bit             2225   2.0-2.0   (+1 -1 =2 )   89.4   -22
 - Robocide 20170718 64-bit           2220   2.0-2.0   (+1 -1 =2 )   93.5   -27
 - Joker2 0.7.7 64-bit                2220   2.5-1.5   (+2 -1 =1 )   92.6   +58
 - Uralochka 1.1d                     2213  23.5-16.5  (+17-10=13)   97.2   +26
 - Baislicka 1.0 64-bit               2207   2.0-2.0   (+1 -1 =2 )   98.6   -29
 - Asymptote 0.1.8 64-bit             2177  26.5-13.5  (+23-10=7 )  100.0   +52
 - Embla 1.0.3 64-bit                 2167  19.0-13.0  (+16-10=6 )  100.0   -12
 - Detroid 0.9.0 64-bit               2092  33.0-7.0   (+29-3 =8 )  100.0   +97
 - Bodo 0.2b                          2091  24.0-9.0   (+20-5 =8 )  100.0   +11
 - Hedgehog 1.9 64-bit                2069  25.5-10.5  (+18-3 =15)  100.0   -46
 - Faile 1.4.4                        2026  22.0-8.0   (+19-5 =6 )  100.0   -45


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019