CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Zevra 2.0 r172 64-bit in CCRL 40/4, 2019-07-20
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 2.0 r172 64-bit is #231 with rating of 2407 Elo points (+31 -30),
based on 413 games: 234 wins, 96 losses and 83 draws
Score: 66.7%, Average opponent: −123.2, Draws: 20.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Sorgenkind 0.4                     2329  15.0-9.0   (+12-6 =6 )  100.0   +12
 - Isa 2.0.64 64-bit                  2319  15.5-8.5   (+12-5 =7 )  100.0   +12
 - Aice 0.99.2                        2315  14.5-9.5   (+12-7 =5 )  100.0   -17
 - Asymptote 0.2.0 64-bit             2314  15.0-9.0   (+12-6 =6 )  100.0    -3
 - Sungorus 1.4 64-bit                2314  12.5-11.5  (+11-10=3 )  100.0   -80
 - Asterisk 0.6                       2307  16.5-8.5   (+14-6 =5 )  100.0   +15
 - Averno 0.81                        2307  15.5-9.5   (+14-8 =3 )  100.0    -4
 - Joker 1.1.14                       2306  15.0-10.0  (+12-7 =6 )  100.0   -29
 - Tytan 9.32 64-bit                  2304  11.0-14.0  (+9 -12=4 )  100.0  -149
 - KnightX 1.92                       2297  17.5-7.5   (+16-6 =3 )  100.0   +47
 - Resp 0.19 64-bit Nobook            2295  20.0-5.0   (+19-4 =2 )  100.0  +144
 - Ayito 0.2.994                      2287  15.0-10.0  (+13-8 =4 )  100.0   -44
 - GopherCheck 0.2.3 64-bit           2237  20.5-3.5   (+18-1 =5 )  100.0  +106
 - Joker2 0.7.7 64-bit                2228  17.0-7.0   (+12-2 =10)  100.0   -45
 - Adam 3.3                           2220  17.5-6.5   (+16-5 =3 )  100.0    -1
 - RamJet 0.13                        2219  16.0-8.0   (+11-3 =10)  100.0   -84
 - Exacto 0.e 64-bit                  2217  21.5-0.5   (+21-0 =1 )  100.0  +385


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019