CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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Zevra 1.8.3 r636 64-bit in CCRL 40/4, 2018-04-21
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Zevra 1.8.3 r636 64-bit has no rank with rating of 2217 Elo points (+21 -21),
based on 833 games: 360 wins, 308 losses and 165 draws
Score: 53.1%, Average opponent: −22.5, Draws: 19.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - GreKo 2018.02 64-bit               2642   0.0-8.0   (+0 -8 =0 )    0.0  -INF
 - Napoleon 1.8 64-bit                2250  12.0-20.0  (+6 -14=12)    0.8   -46
 - Robocide 20170718 64-bit           2242  14.0-18.0  (+11-15=6 )    4.0   -21
 - GopherCheck 0.2.3 64-bit           2234  17.0-14.0  (+13-10=8 )   11.2   +53
 - Anechka 0.08                       2233  18.0-12.0  (+15-9 =6 )    7.7   +89
 - AliChess 4.25                      2232  14.5-17.5  (+13-16=3 )   10.2   -20
 - Adam 3.3                           2223  13.0-19.0  (+9 -15=8 )   30.9   -56
 - CT800 1.20 64-bit                  2222  17.5-14.5  (+15-12=5 )   34.9   +41
 - RamJet 0.13                        2213  15.5-16.5  (+12-13=7 )   63.4   -12
 - FireFly 2.7.0 64-bit               2204  18.0-12.0  (+15-9 =6 )   84.1   +56
 - Chispa 4.0.3                       2200  16.5-15.5  (+14-13=5 )   93.4    -4
 - Beowulf 2.4a 32-bit                2196  21.5-10.5  (+17-6 =9 )   95.8   +99
 - RattateChess 1.0 Nosferatu         2195  20.5-11.5  (+18-9 =5 )   96.4   +88
 - NG-Play 9.86 64-bit                2189  15.0-17.0  (+13-15=4 )   97.9   -54
 - Uralochka 1.1b                     2185  15.5-16.5  (+12-13=7 )   99.7   -41
 - Madeleine 0.2                      2180  16.5-15.5  (+13-12=7 )   99.9   -23
 - Atak 6.8                           2179  18.5-13.5  (+17-12=3 )   99.9   +26
 - Mango Paola Ajedrez 1.0            2175  14.5-17.5  (+10-13=9 )  100.0   -73
 - Protej 0.5.8c                      2174  18.5-12.5  (+15-9 =7 )  100.0   +26
 - Genesis 2.0                        2169  20.0-12.0  (+17-9 =6 )  100.0   +47
 - Baislicka 1.0 64-bit               2166  14.0-17.0  (+10-13=8 )  100.0   -89
 - Galjoen 0.37.2 64-bit              2156  19.0-13.0  (+18-12=2 )  100.0   +16
 - BlackBishop 1.0                    2153  23.5-8.5   (+21-6 =5 )  100.0  +120
 - Blitzkrieg rev337 64-bit           2148  19.5-12.5  (+16-9 =7 )  100.0    +9
 - NagaSkaki 5.12                     2148  11.0-21.0  (+7 -17=8 )  100.0  -183
 - Alarm 0.93.1                       2142  22.0-10.0  (+19-7 =6 )  100.0   +66
 - Lime 66                            2141  17.0-15.0  (+14-12=6 )  100.0   -54


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018