CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

Options
Show each game results
Zevra 1.8.6 r672 64-bit in CCRL 40/4, 2019-06-15
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 1.8.6 r672 64-bit has no rank with rating of 2302 Elo points (+18 -18),
based on 1137 games: 401 wins, 449 losses and 287 draws
Score: 47.9%, Average opponent: +15.8, Draws: 25.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Nemeton 1.8                        2432  11.5-19.5  (+9 -17=5 )    0.0   +31
 - FrankWalter 2.2.3 64-bit           2390   9.0-23.0  (+4 -18=10)    0.0   -63
 - Terra 3.4                          2368  19.5-12.5  (+18-11=3 )    0.0  +156
 - The Crazy Bishop 0052              2364  16.5-15.5  (+11-10=11)    0.0   +70
 - Homer 2.01                         2356  11.0-21.0  (+6 -16=10)    0.0   -52
 - Jonesy 1.0 64-bit                  2354  14.0-18.0  (+11-15=6 )    0.0    +5
 - Amateur 2.82                       2351  14.5-17.5  (+12-15=5 )    0.0   +13
 - Alex 2.14a 64-bit                  2348  13.5-18.5  (+10-15=7 )    0.0   -11
 - Tigran 2.4n 64-bit                 2346  12.0-20.0  (+6 -14=12)    0.0   -40
 - Plisk 0.2.7d 64-bit                2342  16.0-16.0  (+13-13=6 )    0.0   +44
 - Horizon 4.4                        2341  15.0-17.0  (+10-12=10)    0.0   +17
 - Queen 4.03                         2337  13.0-18.0  (+8 -13=10)    0.0   -17
 - Arion 1.7                          2332  15.0-17.0  (+12-14=6 )    0.1    +6
 - EveAnn 1.72                        2331  11.0-21.0  (+7 -17=8 )    0.5   -82
 - Sage 3.53                          2325  14.0-18.0  (+9 -13=10)    0.9   -19
 - Chezzz 1.0.3                       2324  17.0-15.0  (+13-11=8 )    1.4   +42
 - Gibbon 2.69a 64-bit                2324  11.0-21.0  (+8 -18=6 )    2.4   -99
 - Isa 2.0.64 64-bit                  2321   9.5-10.5  (+7 -8 =5 )    6.3     0
 - Barbarossa 0.4.0 64-bit            2320  15.0-17.0  (+12-14=6 )    5.5    -5
 - Mediocre 0.5 64-bit                2318  16.0-16.0  (+13-13=6 )    6.9   +12
 - Absolute Zero 2.4.7.2 64-bit       2316  13.5-17.5  (+8 -12=11)    9.6   -27
 - Aice 0.99.2                        2316  15.5-16.5  (+9 -10=13)    9.2    +4
 - Waxman 2017                        2314  16.0-16.0  (+13-13=6 )   16.0   +15
 - Sungorus 1.4 64-bit                2313  14.5-17.5  (+10-13=9 )   13.7   -20
 - Averno 0.81                        2308  15.5-16.5  (+14-15=3 )   30.1    -3
 - Kingfisher 1.0 64-bit              2305  16.0-16.0  (+11-11=10)   40.1    +4
 - KnightX 1.92                       2297  18.5-13.5  (+13-8 =11)   72.2   +47
 - Fischerle 0.9.80 SE 64-bit         2280  20.0-12.0  (+16-8 =8 )   97.0   +67
 - Rival 1.0.1 64-bit                 2275  17.5-14.5  (+14-11=7 )   99.3    +6
 - Esc 1.16                           2267  14.5-17.5  (+11-14=7 )  100.0   -69
 - Butcher 1.61 64-bit                2266  19.5-12.5  (+17-10=5 )  100.0   +46
 - Zeus 1.29                          2262  14.5-17.5  (+13-16=3 )  100.0   -76
 - Natwarlal 0.14                     2261  19.5-12.5  (+14-7 =11)  100.0   +33
 - FireFly 2.7.2 64-bit               2253  19.5-12.5  (+17-10=5 )  100.0   +35
 - Napoleon 1.8 64-bit                2250  18.5-13.5  (+10-5 =17)  100.0    -6
 - Isa 2.0.61 64-bit                  2238  17.5-14.5  (+12-9 =11)  100.0   -33


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019