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

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Zevra 1.8.4 r650 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 1.8.4 r650 64-bit has no rank with rating of 2220 Elo points (+20 -20),
based on 897 games: 308 wins, 388 losses and 201 draws
Score: 45.5%, Average opponent: +36.5, Draws: 22.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bright 0.5c                        2772   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Sjakk 2.2 64-bit                   2639   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - N2 0.4 64-bit                      2590   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Floyd 0.9 64-bit                   2585   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - AnMon 5.75                         2539   4.5-32.5  (+3 -31=3 )    0.0   -31
 - tomitankChess 1.5 64-bit           2507   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Little Goliath Evolution 3.12      2505   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - CyberPagno 3.0 64-bit              2492   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Xpdnt 091007                       2468   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Kiwi 0.6d 64-bit                   2468   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Caligula 0.7b                      2420   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Dragon 4.6                         2419   0.5-0.5   (+0 -0 =1 )    0.0  +229
 - Hussar 0.4                         2418   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - Amateur 2.82                       2351   8.0-16.0  (+7 -15=2 )    0.0    -6
 - Topple 0.1.1 64-bit                2342   7.5-24.5  (+6 -23=3 )    0.0  -103
 - Pirarucu 2.0.0 64-bit              2324   8.5-23.5  (+7 -22=3 )    0.0   -89
 - Aice 0.99.2                        2315   5.0-19.0  (+2 -16=6 )    0.0  -118
 - Asterisk 0.6                       2307   8.5-12.5  (+8 -12=1 )    0.0    +4
 - Rival 1.0.1 64-bit                 2274   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - FireFly 2.7.2 64-bit               2252  32.5-34.5  (+23-25=19)    0.4   +22
 - GopherCheck 0.2.3 64-bit           2237  35.5-30.5  (+29-24=13)    7.8   +45
 - Robocide 20170718 64-bit           2237  33.5-33.5  (+25-25=17)    8.8   +16
 - Ant 2006-F                         2236  19.0-12.0  (+15-8 =8 )    8.1   +95
 - Anechka 0.08                       2234  38.5-29.5  (+29-20=19)    9.0   +59
 - Dorpsgek Eve's Temptation 64-bit   2234  13.5-16.5  (+10-13=7 )   13.8   -20
 - AliChess 4.25                      2229  31.5-36.5  (+23-28=17)   21.6   -19
 - Joker2 0.7.7 64-bit                2228  28.5-38.5  (+17-27=23)   26.7   -41
 - Adam 3.3                           2220  31.0-37.0  (+21-27=20)   50.6   -30
 - CT800 1.20 64-bit                  2218  13.5-16.5  (+8 -11=11)   55.3   -34
 - Exacto 0.e 64-bit                  2217  30.0-34.0  (+24-28=12)   59.2   -26
 - Buzz 0.08 64-bit                   2214  22.0-16.0  (+19-13=6 )   67.5   +53
 - NG-Play 9.87 64-bit                2194  18.0-13.0  (+14-9 =8 )   97.6   +31
 - WJChess 1.64                       2131   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Weini 0.0.20 64-bit                2074  14.0-2.0   (+13-1 =2 )  100.0  +181
 - Bremboce 0.6.2                     1792   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Tristram 4.16                      1711   1.0-0.0   (+1 -0 =0 )  100.0  +INF


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