CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Engine Details

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Isa 2.0.48 64-bit in CCRL 40/40, 2019-10-19
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://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Isa 2.0.48 64-bit has no rank with rating of 2270 Elo points (+30 -30),
based on 373 games: 126 wins, 122 losses and 125 draws
Score: 50.5%, Average opponent: −4.8, Draws: 33.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bearded N44.5 64-bit               2438   0.5-9.5   (+0 -9 =1 )    0.0  -278
 - Monolith 0.3 64-bit                2417   1.5-2.5   (+0 -1 =3 )    0.0   +79
 - RomiChess P3n 64-bit               2416   2.0-8.0   (+0 -6 =4 )    0.0   -49
 - OliThink 5.3.2 64-bit              2374   2.5-7.5   (+1 -6 =3 )    0.0   -67
 - GreKo 6.25                         2370   5.5-4.5   (+3 -2 =5 )    0.0  +131
 - Plisk 0.2.7d 64-bit                2361   5.5-4.5   (+5 -4 =1 )    0.0  +127
 - FireFly 2.7.2 64-bit               2331   5.5-8.5   (+3 -6 =5 )    0.0    -8
 - Amundsen 0.80                      2328   5.0-5.0   (+3 -3 =4 )    0.0   +53
 - EveAnn 1.72                        2320   2.0-2.0   (+1 -1 =2 )    0.2   +50
 - Gibbon 2.69a 64-bit                2319   4.0-6.0   (+2 -4 =4 )    0.3   -11
 - KnightX 1.92                       2317   4.0-6.0   (+2 -4 =4 )    0.4   -11
 - Averno 0.81                        2313   5.0-5.0   (+4 -4 =2 )    0.8   +37
 - Joker 1.1.14                       2302   2.0-2.0   (+1 -1 =2 )    3.8   +42
 - Anechka 0.08                       2300   5.0-5.0   (+3 -3 =4 )    4.5   +30
 - Fischerle 0.9.80 SE 64-bit         2299   6.0-10.0  (+5 -9 =2 )    5.6   -74
 - Absolute Zero 2.4.7.2 64-bit       2295   0.5-3.5   (+0 -3 =1 )    6.7  -257
 - Matilde 2008 64-bit                2291   4.0-6.0   (+1 -3 =6 )   13.4   -38
 - FireFly 2.7.0 64-bit               2287   0.5-0.5   (+0 -0 =1 )   16.8   -13
 - Ayito 0.2.994                      2265   5.5-4.5   (+4 -3 =3 )   60.3   +26
 - RattateChess 1.0 Nosferatu         2252   4.5-5.5   (+4 -5 =1 )   84.3   -54
 - Exacto 0.e 64-bit                  2252   7.0-3.0   (+5 -1 =4 )   85.0  +108
 - Beowulf 2.4a 64-bit                2250   5.5-4.5   (+2 -1 =7 )   87.4    +7
 - Buzz 0.08 64-bit                   2230   5.0-5.0   (+2 -2 =6 )   98.5   -36
 - Dolphin 1.0 64-bit                 2230   4.0-6.0   (+3 -5 =2 )   98.7  -120
 - RamJet 0.13                        2228   1.5-2.5   (+1 -2 =1 )   98.9  -137
 - Tiny Chess 1.46 64-bit             2225  11.5-4.5   (+8 -1 =7 )   99.4   +96
 - Robocide 20170718 64-bit           2221   7.0-3.0   (+6 -2 =2 )   99.7   +94
 - Uralochka 1.1b                     2218   4.5-5.5   (+3 -4 =3 )   99.8   -88
 - CT800 1.12 64-bit                  2216   2.0-0.0   (+2 -0 =0 )   99.8  +INF
 - OBender 03.2016 64-bit             2214   6.5-5.5   (+3 -2 =7 )   99.9   -31
 - Neurosis 2.3                       2211   4.5-5.5   (+2 -3 =5 )   99.8   -90
 - Adam 3.3                           2211   5.5-4.5   (+3 -2 =5 )   99.9   -31
 - Baislicka 1.0 64-bit               2207   4.0-2.0   (+4 -2 =0 )  100.0   +86
 - Latista (Sinobyl) 1.5              2203   7.5-2.5   (+6 -1 =3 )  100.0  +107
 - Dorpsgek Dillinger 64-bit          2195   4.0-2.0   (+4 -2 =0 )  100.0   +74
 - GopherCheck 0.2.3 64-bit           2191  11.5-4.5   (+9 -2 =5 )  100.0   +73
 - NG-Play 9.85 64-bit                2191   6.5-3.5   (+5 -2 =3 )  100.0   +29
 - NG-Play 9.87 64-bit                2188   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  -325
 - RamJet 0.14                        2169  10.5-5.5   (+9 -4 =3 )  100.0   +18
 - Blitzkrieg rev337 64-bit           2143   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Tunguska 1.0 64-bit                2129   1.5-0.5   (+1 -0 =1 )  100.0    +1
 - Prophet3 20170909 64-bit           2100   4.5-1.5   (+4 -1 =1 )  100.0   +24


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