CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Isa 2.0.48 64-bit in CCRL 40/40, 2017-11-18
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 #250 with rating of 2268 Elo points (+30 -30),
based on 375 games: 128 wins, 122 losses and 125 draws
Score: 50.8%, Average opponent: −6.7, Draws: 33.3%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Bearded N44.5 64-bit              2458   0.5-9.5   (+0 -9 =1 )    0.1  -206
 - Monolith 0.3 64-bit               2422   1.5-2.5   (+0 -1 =3 )    0.0   +86
 - RomiChess P3n 64-bit              2417   2.0-8.0   (+0 -6 =4 )    0.0   -45
 - OliThink 5.3.2 64-bit             2372   2.5-7.5   (+1 -6 =3 )    0.0   -67
 - GreKo 6.25                        2366   5.5-4.5   (+3 -2 =5 )    0.0  +129
 - 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              2329   5.5-8.5   (+3 -6 =5 )    0.4    -7
 - EveAnn 1.72                       2324   2.0-2.0   (+1 -1 =2 )    0.2   +56
 - Averno 0.81                       2319   5.0-5.0   (+4 -4 =2 )    0.3   +45
 - Gibbon 2.69a 64-bit               2315   4.0-6.0   (+2 -4 =4 )    0.5   -13
 - KnightX 1.92                      2310   4.0-6.0   (+2 -4 =4 )    1.3   -16
 - Joker 1.1.14                      2299   2.0-2.0   (+1 -1 =2 )    4.7   +41
 - Anechka 0.08                      2294   5.0-5.0   (+3 -3 =4 )    7.3   +26
 - Fischerle 0.9.80 SE 64-bit        2291   6.0-10.0  (+5 -9 =2 )   11.9   -79
 - Absolute Zero 2.4.7.2 64-bit      2290   0.5-3.5   (+0 -3 =1 )   11.9  -260
 - FireFly 2.7.0 64-bit              2285   0.5-0.5   (+0 -0 =1 )   17.5   -13
 - Matilde 2008 64-bit               2279   4.0-6.0   (+1 -3 =6 )   29.2   -48
 - Ayito 0.2.994                     2252   5.5-4.5   (+4 -3 =3 )   80.0   +15
 - Beowulf 2.4a 64-bit               2250   5.5-4.5   (+2 -1 =7 )   83.3    +9
 - RattateChess 1.0 Nosferatu        2249   4.5-5.5   (+4 -5 =1 )   84.1   -55
 - Exacto 0.e 64-bit                 2243   7.0-3.0   (+5 -1 =4 )   91.8  +101
 - Buzz 0.08 64-bit                  2238   5.0-5.0   (+2 -2 =6 )   92.4   -26
 - RookieMonster 1.4.12 64-bit       2232   2.0-0.0   (+2 -0 =0 )   74.1  +INF
 - Dolphin 1.0                       2232   4.0-6.0   (+3 -5 =2 )   97.4  -116
 - RamJet 0.13                       2221   1.5-2.5   (+1 -2 =1 )   99.4  -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 )   99.5   +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                      2207   4.5-5.5   (+2 -3 =5 )   99.8   -92
 - Robocide 20170718 64-bit          2205   7.0-3.0   (+6 -2 =2 )   96.8   +78
 - Dorpsgek Dillinger 64-bit         2202   4.0-2.0   (+4 -2 =0 )  100.0   +83
 - Baislicka 1.0 64-bit              2198   4.0-2.0   (+4 -2 =0 )  100.0   +79
 - Latista (Sinobyl) 1.5             2194   7.5-2.5   (+6 -1 =3 )  100.0  +100
 - RamJet 0.14                       2188  10.5-5.5   (+9 -4 =3 )   98.5   +37
 - NG-Play 9.85 64-bit               2188   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
 - GopherCheck 0.2.3 64-bit          2185  11.5-4.5   (+9 -2 =5 )  100.0   +69
 - Soldat III 0.187 64-bit           2166   1.0-5.0   (+0 -4 =2 )  100.0  -332
 - Blitzkrieg rev337 64-bit          2141   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                 2130   2.0-0.0   (+2 -0 =0 )   99.4  +INF
 - Prophet 3 64-bit                  2040   4.5-1.5   (+4 -1 =1 )  100.0   -38


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017