CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

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Isa 1.9.63 64-bit in CCRL 40/40, 2018-01-13
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Isa 1.9.63 64-bit has no rank with rating of 2184 Elo points (+28 -29),
based on 435 games: 129 wins, 184 losses and 122 draws
Score: 43.7%, Average opponent: +43.7, Draws: 28.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Nemeton 1.51                       2443   1.5-8.5   (+1 -8 =1 )    0.0   -44
 - Butcher 1.61 64-bit                2329   3.0-7.0   (+3 -7 =0 )    0.0   -31
 - Averno 0.81                        2319   5.5-4.5   (+4 -3 =3 )    0.0  +176
 - Gibbon 2.69a 64-bit                2315   3.0-7.0   (+1 -5 =4 )    0.0    +2
 - KnightX 1.92                       2313   3.5-6.5   (+1 -4 =5 )    0.0   +41
 - Nemeton 1.2                        2306   2.0-8.0   (+2 -8 =0 )    0.0  -162
 - Natwarlal 0.14                     2303   1.5-8.5   (+0 -7 =3 )    0.0  -128
 - Schooner 1.5 64-bit                2299   3.5-10.5  (+1 -8 =5 )    0.0   -51
 - Anechka 0.08                       2294   3.5-6.5   (+0 -3 =7 )    0.0   +27
 - Fischerle 0.9.70 SE 64-bit         2291   1.0-3.0   (+0 -2 =2 )    0.0   -49
 - Absolute Zero 2.4.7.2 64-bit       2291   3.5-10.5  (+2 -9 =3 )    0.0   -82
 - Chaturanga 2.4.3                   2286   2.0-8.0   (+1 -7 =2 )    0.0  -127
 - FireFly 2.7.0 64-bit               2285   6.0-8.0   (+3 -5 =6 )    0.0   +53
 - Bearded N44.2 64-bit               2282   6.0-8.0   (+4 -6 =4 )    0.0   +51
 - Matilde 2008 64-bit                2279   2.5-7.5   (+0 -5 =5 )    0.0   -59
 - Chispa 4.0.3                       2271   4.5-5.5   (+3 -4 =3 )    0.0   +50
 - Ayito 0.2.994                      2253   3.5-6.5   (+3 -6 =1 )    0.0   -49
 - Protej 0.5.8c                      2252   5.0-5.0   (+3 -3 =4 )    0.0   +68
 - Exacto 0.e 64-bit                  2245   5.0-5.0   (+3 -3 =4 )    0.0   +61
 - Mango Paola Ajedrez 4.1            2243   5.0-5.0   (+2 -2 =6 )    0.0   +62
 - Atak 6.8                           2240   4.5-5.5   (+4 -5 =1 )    0.1   +18
 - Lozza 1.14a 64-bit                 2238   3.5-5.5   (+2 -4 =3 )    0.4   -14
 - Dolphin 1.0                        2232   3.5-5.5   (+2 -4 =3 )    0.3   -26
 - RamJet 0.13                        2221   2.5-1.5   (+2 -1 =1 )    2.0  +129
 - Uralochka 1.1b                     2218   7.0-3.0   (+7 -3 =0 )    2.5  +216
 - OBender 03.2016 64-bit             2213   5.5-8.5   (+4 -7 =3 )    4.8   -50
 - ChessAlex 2.0r4                    2212   8.0-2.0   (+8 -2 =0 )    6.1  +309
 - Napoleon 1.6.0b 64-bit             2204   8.5-5.5   (+5 -2 =7 )   17.1   +83
 - Alf 1.09                           2193   4.5-5.5   (+3 -4 =3 )   30.0   -27
 - Quazar 0.2 64-bit                  2192   2.5-7.5   (+2 -7 =1 )   36.2  -197
 - GopherCheck 0.2.3 64-bit           2190   0.5-1.5   (+0 -1 =1 )   37.2  -173
 - Glass 0.1.0c                       2185   5.5-4.5   (+5 -4 =1 )   46.7   +42
 - NG-Play 9.87 64-bit                2185   3.5-0.5   (+3 -0 =1 )   47.5  +283
 - NagaSkaki 5.12                     2182   3.0-7.0   (+2 -6 =2 )   54.1  -155
 - Lime 66                            2169   7.5-3.5   (+7 -3 =1 )   78.1  +128
 - Chesley r323 64-bit                2163   6.5-3.5   (+6 -3 =1 )   84.5   +97
 - Dorpsgek Cosmopolitan 2 64-bit     2151   2.5-1.5   (+2 -1 =1 )   94.2   +52
 - Blitzkrieg rev337 64-bit           2138   7.5-2.5   (+6 -1 =3 )   99.4  +128
 - Parrot 07.07.22                    2131   4.5-5.5   (+3 -4 =3 )   99.9   -88
 - Barbarossa 0.4.0 DJ 64-bit         2098   7.0-7.0   (+3 -3 =8 )  100.0   -88
 - Galjoen 0.36 64-bit                2077   6.0-4.0   (+5 -3 =2 )  100.0   -38
 - BigLion 2.23w                      2070   5.5-4.5   (+4 -3 =3 )  100.0   -77
 - Soldat III 0.178 64-bit            2067   5.0-5.0   (+4 -4 =2 )  100.0  -117
 - Zeta Dva 0301 64-bit               2061   4.5-5.5   (+3 -4 =3 )  100.0  -155


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018