CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (30.0%)
White score: 53.7%

Engine Details

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Zevra 1.8.6 r672 64-bit in CCRL 40/4, 2019-11-30
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/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: +15.4, 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           2389   9.0-23.0  (+4 -18=10)    0.0   -64
 - Terra 3.4                          2368  19.5-12.5  (+18-11=3 )    0.0  +156
 - The Crazy Bishop 0052              2363  16.5-15.5  (+11-10=11)    0.0   +69
 - Homer 2.01                         2357  11.0-21.0  (+6 -16=10)    0.0   -51
 - Jonesy 1.0 64-bit                  2353  14.0-18.0  (+11-15=6 )    0.0    +4
 - Amateur 2.82                       2351  14.5-17.5  (+12-15=5 )    0.0   +13
 - Alex 2.14a 64-bit                  2347  13.5-18.5  (+10-15=7 )    0.0   -12
 - Tigran 2.4n 64-bit                 2346  12.0-20.0  (+6 -14=12)    0.0   -40
 - Plisk 0.2.7d 64-bit                2343  16.0-16.0  (+13-13=6 )    0.0   +45
 - Horizon 4.4                        2341  15.0-17.0  (+10-12=10)    0.0   +17
 - Queen 4.03                         2336  13.0-18.0  (+8 -13=10)    0.0   -18
 - Arion 1.7                          2332  15.0-17.0  (+12-14=6 )    0.1    +6
 - EveAnn 1.72                        2328  11.0-21.0  (+7 -17=8 )    0.9   -85
 - Gibbon 2.69a 64-bit                2326  11.0-21.0  (+8 -18=6 )    1.5   -97
 - Sage 3.53                          2325  14.0-18.0  (+9 -13=10)    1.0   -19
 - Chezzz 1.0.3                       2323  17.0-15.0  (+13-11=8 )    1.5   +41
 - Mediocre 0.5 64-bit                2320  16.0-16.0  (+13-13=6 )    4.6   +14
 - Isa 2.0.64 64-bit                  2319   9.5-10.5  (+7 -8 =5 )    8.7    -1
 - Barbarossa 0.4.0 64-bit            2318  15.0-17.0  (+12-14=6 )    6.8    -7
 - Absolute Zero 2.4.7.2 64-bit       2317  13.5-17.5  (+8 -12=11)    8.1   -26
 - Waxman 2017                        2316  16.0-16.0  (+13-13=6 )   12.0   +17
 - Aice 0.99.2                        2314  15.5-16.5  (+9 -10=13)   10.4    +2
 - Sungorus 1.4 64-bit                2313  14.5-17.5  (+10-13=9 )   13.5   -20
 - Averno 0.81                        2307  15.5-16.5  (+14-15=3 )   31.1    -4
 - Kingfisher 1.0 64-bit              2305  16.0-16.0  (+11-11=10)   40.5    +4
 - KnightX 1.92                       2296  18.5-13.5  (+13-8 =11)   72.0   +46
 - Fischerle 0.9.80 SE 64-bit         2279  20.0-12.0  (+16-8 =8 )   97.4   +66
 - Rival 1.0.1 64-bit                 2274  17.5-14.5  (+14-11=7 )   99.3    +5
 - Esc 1.16                           2266  14.5-17.5  (+11-14=7 )  100.0   -70
 - Butcher 1.61 64-bit                2264  19.5-12.5  (+17-10=5 )  100.0   +44
 - 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               2252  19.5-12.5  (+17-10=5 )  100.0   +34
 - Napoleon 1.8 64-bit                2250  18.5-13.5  (+10-5 =17)  100.0    -6
 - Isa 2.0.61 64-bit                  2237  17.5-14.5  (+12-9 =11)  100.0   -34


Created in 2005-2013 by CCRL team
Last games added on November 30, 2019