CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

Options
Show each game results
Isa 2.0.48 64-bit in CCRL 40/40, 2017-12-09
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Isa 2.0.48 64-bit is #251 with rating of 2268 Elo points (+30 -30),
based on 375 games: 128 wins, 122 losses and 125 draws
Score: 50.8%, Average opponent: −6.9, Draws: 33.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Bearded N44.5 64-bit              2434   0.5-9.5   (+0 -9 =1 )    0.0  -277
 - RomiChess P3n 64-bit              2421   2.0-8.0   (+0 -6 =4 )    0.0   -41
 - Monolith 0.3 64-bit               2419   1.5-2.5   (+0 -1 =3 )    0.0   +83
 - OliThink 5.3.2 64-bit             2373   2.5-7.5   (+1 -6 =3 )    0.0   -66
 - GreKo 6.25                        2367   5.5-4.5   (+3 -2 =5 )    0.0  +130
 - Plisk 0.2.7d 64-bit               2342   5.5-4.5   (+5 -4 =1 )    0.0  +110
 - Amundsen 0.80                     2332   5.0-5.0   (+3 -3 =4 )    0.0   +59
 - FireFly 2.7.2 64-bit              2331   5.5-8.5   (+3 -6 =5 )    0.1    -5
 - EveAnn 1.72                       2322   2.0-2.0   (+1 -1 =2 )    0.2   +54
 - Averno 0.81                       2318   5.0-5.0   (+4 -4 =2 )    0.4   +44
 - Gibbon 2.69a 64-bit               2315   4.0-6.0   (+2 -4 =4 )    0.4   -13
 - KnightX 1.92                      2312   4.0-6.0   (+2 -4 =4 )    0.8   -14
 - Joker 1.1.14                      2299   2.0-2.0   (+1 -1 =2 )    4.3   +41
 - Anechka 0.08                      2295   5.0-5.0   (+3 -3 =4 )    6.8   +27
 - Fischerle 0.9.80 SE 64-bit        2291   6.0-10.0  (+5 -9 =2 )   11.5   -79
 - Absolute Zero 2.4.7.2 64-bit      2290   0.5-3.5   (+0 -3 =1 )   11.0  -260
 - FireFly 2.7.0 64-bit              2285   0.5-0.5   (+0 -0 =1 )   16.5   -13
 - Matilde 2008 64-bit               2279   4.0-6.0   (+1 -3 =6 )   28.1   -48
 - RookieMonster 1.4.12 64-bit       2258   2.0-0.0   (+2 -0 =0 )   58.2  +INF
 - Ayito 0.2.994                     2252   5.5-4.5   (+4 -3 =3 )   79.0   +15
 - Beowulf 2.4a 64-bit               2250   5.5-4.5   (+2 -1 =7 )   83.5    +9
 - RattateChess 1.0 Nosferatu        2249   4.5-5.5   (+4 -5 =1 )   83.8   -55
 - Exacto 0.e 64-bit                 2244   7.0-3.0   (+5 -1 =4 )   90.8  +102
 - Buzz 0.08 64-bit                  2239   5.0-5.0   (+2 -2 =6 )   91.5   -25
 - Dolphin 1.0                       2231   4.0-6.0   (+3 -5 =2 )   97.6  -117
 - RamJet 0.13                       2221   1.5-2.5   (+1 -2 =1 )   99.3  -142
 - Uralochka 1.1b                    2218   4.5-5.5   (+3 -4 =3 )   99.7   -86
 - Tiny Chess 1.46 64-bit            2216  11.5-4.5   (+8 -1 =7 )   99.6   +89
 - OBender 03.2016 64-bit            2214   6.5-5.5   (+3 -2 =7 )   99.8   -29
 - Adam 3.3                          2212   5.5-4.5   (+3 -2 =5 )   99.9   -28
 - Neurosis 2.3                      2208   4.5-5.5   (+2 -3 =5 )   99.8   -91
 - Robocide 20170718 64-bit          2206   7.0-3.0   (+6 -2 =2 )   96.6   +79
 - Dorpsgek Dillinger 64-bit         2202   4.0-2.0   (+4 -2 =0 )   99.9   +83
 - Baislicka 1.0 64-bit              2198   4.0-2.0   (+4 -2 =0 )  100.0   +79
 - Latista (Sinobyl) 1.5             2195   7.5-2.5   (+6 -1 =3 )  100.0  +101
 - RamJet 0.14                       2188  10.5-5.5   (+9 -4 =3 )   98.4   +37
 - NG-Play 9.87 64-bit               2187   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - NG-Play 9.85 64-bit               2187   6.5-3.5   (+5 -2 =3 )  100.0   +27
 - GopherCheck 0.2.3 64-bit          2185  11.5-4.5   (+9 -2 =5 )  100.0   +69
 - Soldat III 0.187 64-bit           2167   1.0-5.0   (+0 -4 =2 )  100.0  -331
 - Blitzkrieg rev337 64-bit          2142   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Tunguska 1.0 64-bit               2135   1.5-0.5   (+1 -0 =1 )  100.0    +9
 - CT800 1.12 64-bit                 2132   2.0-0.0   (+2 -0 =0 )   99.3  +INF
 - Prophet 3 64-bit                  2041   4.5-1.5   (+4 -1 =1 )  100.0   -37


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017