CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Isa 2.0.48 64-bit in CCRL 40/40, 2019-07-19
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Isa 2.0.48 64-bit has no rank with rating of 2269 Elo points (+30 -30),
based on 373 games: 126 wins, 122 losses and 125 draws
Score: 50.5%, Average opponent: −5.2, Draws: 33.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bearded N44.5 64-bit               2436   0.5-9.5   (+0 -9 =1 )    0.0  -279
 - Monolith 0.3 64-bit                2416   1.5-2.5   (+0 -1 =3 )    0.0   +79
 - RomiChess P3n 64-bit               2413   2.0-8.0   (+0 -6 =4 )    0.0   -51
 - OliThink 5.3.2 64-bit              2373   2.5-7.5   (+1 -6 =3 )    0.0   -67
 - GreKo 6.25                         2367   5.5-4.5   (+3 -2 =5 )    0.0  +129
 - Plisk 0.2.7d 64-bit                2358   5.5-4.5   (+5 -4 =1 )    0.0  +125
 - FireFly 2.7.2 64-bit               2329   5.5-8.5   (+3 -6 =5 )    0.0    -9
 - Amundsen 0.80                      2327   5.0-5.0   (+3 -3 =4 )    0.0   +53
 - EveAnn 1.72                        2319   2.0-2.0   (+1 -1 =2 )    0.2   +50
 - Gibbon 2.69a 64-bit                2318   4.0-6.0   (+2 -4 =4 )    0.2   -11
 - KnightX 1.92                       2316   4.0-6.0   (+2 -4 =4 )    0.4   -11
 - Averno 0.81                        2312   5.0-5.0   (+4 -4 =2 )    0.7   +37
 - Joker 1.1.14                       2300   2.0-2.0   (+1 -1 =2 )    3.7   +41
 - Anechka 0.08                       2299   5.0-5.0   (+3 -3 =4 )    4.4   +30
 - Fischerle 0.9.80 SE 64-bit         2298   6.0-10.0  (+5 -9 =2 )    5.4   -74
 - Absolute Zero 2.4.7.2 64-bit       2294   0.5-3.5   (+0 -3 =1 )    6.6  -257
 - Matilde 2008 64-bit                2288   4.0-6.0   (+1 -3 =6 )   14.8   -40
 - FireFly 2.7.0 64-bit               2286   0.5-0.5   (+0 -0 =1 )   16.4   -13
 - Ayito 0.2.994                      2264   5.5-4.5   (+4 -3 =3 )   60.3   +26
 - RattateChess 1.0 Nosferatu         2251   4.5-5.5   (+4 -5 =1 )   83.9   -54
 - Exacto 0.e 64-bit                  2250   7.0-3.0   (+5 -1 =4 )   84.8  +107
 - Beowulf 2.4a 64-bit                2249   5.5-4.5   (+2 -1 =7 )   87.1    +7
 - Dolphin 1.0 64-bit                 2229   4.0-6.0   (+3 -5 =2 )   98.7  -120
 - Buzz 0.08 64-bit                   2228   5.0-5.0   (+2 -2 =6 )   98.6   -37
 - RamJet 0.13                        2228   1.5-2.5   (+1 -2 =1 )   98.7  -136
 - Tiny Chess 1.46 64-bit             2224  11.5-4.5   (+8 -1 =7 )   99.4   +96
 - Robocide 20170718 64-bit           2220   7.0-3.0   (+6 -2 =2 )   99.7   +94
 - Uralochka 1.1b                     2217   4.5-5.5   (+3 -4 =3 )   99.8   -88
 - CT800 1.12 64-bit                  2215   2.0-0.0   (+2 -0 =0 )   99.8  +INF
 - OBender 03.2016 64-bit             2213   6.5-5.5   (+3 -2 =7 )   99.9   -31
 - Adam 3.3                           2210   5.5-4.5   (+3 -2 =5 )   99.9   -31
 - Neurosis 2.3                       2210   4.5-5.5   (+2 -3 =5 )   99.8   -90
 - Baislicka 1.0 64-bit               2207   4.0-2.0   (+4 -2 =0 )  100.0   +87
 - Latista (Sinobyl) 1.5              2202   7.5-2.5   (+6 -1 =3 )  100.0  +107
 - Dorpsgek Dillinger 64-bit          2194   4.0-2.0   (+4 -2 =0 )  100.0   +74
 - GopherCheck 0.2.3 64-bit           2190  11.5-4.5   (+9 -2 =5 )  100.0   +73
 - NG-Play 9.85 64-bit                2189   6.5-3.5   (+5 -2 =3 )  100.0   +28
 - NG-Play 9.87 64-bit                2187   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Soldat III 0.187 64-bit            2176   1.0-5.0   (+0 -4 =2 )  100.0  -324
 - RamJet 0.14                        2168  10.5-5.5   (+9 -4 =3 )  100.0   +18
 - Blitzkrieg rev337 64-bit           2142   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Tunguska 1.0 64-bit                2128   1.5-0.5   (+1 -0 =1 )  100.0    +1
 - Prophet3 20170909 64-bit           2099   4.5-1.5   (+4 -1 =1 )  100.0   +24


Created in 2005-2013 by CCRL team
Last games added on July 19, 2019