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 1.9.63 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 1.9.63 64-bit has no rank with rating of 2183 Elo points (+28 -29),
based on 435 games: 129 wins, 184 losses and 122 draws
Score: 43.7%, Average opponent: +44.6, Draws: 28.0%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Nemeton 1.51                      2443   1.5-8.5   (+1 -8 =1 )    0.0   -43
 - Butcher 1.61 64-bit               2329   3.0-7.0   (+3 -7 =0 )    0.0   -30
 - Averno 0.81                       2319   5.5-4.5   (+4 -3 =3 )    0.0  +177
 - Gibbon 2.69a 64-bit               2315   3.0-7.0   (+1 -5 =4 )    0.0    +3
 - KnightX 1.92                      2310   3.5-6.5   (+1 -4 =5 )    0.0   +39
 - Nemeton 1.2                       2306   2.0-8.0   (+2 -8 =0 )    0.0  -161
 - Natwarlal 0.14                    2304   1.5-8.5   (+0 -7 =3 )    0.0  -126
 - Schooner 1.5 64-bit               2299   3.5-10.5  (+1 -8 =5 )    0.0   -50
 - Anechka 0.08                      2294   3.5-6.5   (+0 -3 =7 )    0.0   +28
 - Fischerle 0.9.70 SE 64-bit        2291   1.0-3.0   (+0 -2 =2 )    0.0   -48
 - Absolute Zero 2.4.7.2 64-bit      2290   3.5-10.5  (+2 -9 =3 )    0.0   -82
 - Chaturanga 2.4.3                  2285   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   +54
 - Bearded N44.2 64-bit              2282   6.0-8.0   (+4 -6 =4 )    0.0   +52
 - Matilde 2008 64-bit               2279   2.5-7.5   (+0 -5 =5 )    0.0   -58
 - Chispa 4.0.3                      2269   4.5-5.5   (+3 -4 =3 )    0.0   +49
 - Protej 0.5.8c                     2253   5.0-5.0   (+3 -3 =4 )    0.0   +70
 - Ayito 0.2.994                     2252   3.5-6.5   (+3 -6 =1 )    0.0   -49
 - Exacto 0.e 64-bit                 2243   5.0-5.0   (+3 -3 =4 )    0.0   +60
 - Mango Paola Ajedrez 4.1           2242   5.0-5.0   (+2 -2 =6 )    0.0   +62
 - Atak 6.8                          2240   4.5-5.5   (+4 -5 =1 )    0.1   +19
 - Lozza 1.14a 64-bit                2238   3.5-5.5   (+2 -4 =3 )    0.4   -13
 - Dolphin 1.0                       2232   3.5-5.5   (+2 -4 =3 )    0.3   -25
 - RamJet 0.13                       2221   2.5-1.5   (+2 -1 =1 )    2.0  +130
 - Uralochka 1.1b                    2218   7.0-3.0   (+7 -3 =0 )    2.4  +217
 - OBender 03.2016 64-bit            2214   5.5-8.5   (+4 -7 =3 )    4.4   -48
 - ChessAlex 2.0r4                   2212   8.0-2.0   (+8 -2 =0 )    5.9  +310
 - Napoleon 1.6.0b 64-bit            2204   8.5-5.5   (+5 -2 =7 )   16.8   +84
 - Alf 1.09                          2193   4.5-5.5   (+3 -4 =3 )   30.1   -26
 - Quazar 0.2 64-bit                 2191   2.5-7.5   (+2 -7 =1 )   36.3  -197
 - NG-Play 9.87 64-bit               2187   3.5-0.5   (+3 -0 =1 )   43.2  +286
 - GopherCheck 0.2.3 64-bit          2185   0.5-1.5   (+0 -1 =1 )   47.3  -177
 - Glass 0.1.0c                      2185   5.5-4.5   (+5 -4 =1 )   47.0   +43
 - NagaSkaki 5.12                    2182   3.0-7.0   (+2 -6 =2 )   54.1  -154
 - Lime 66                           2169   7.5-3.5   (+7 -3 =1 )   78.2  +129
 - Chesley r323 64-bit               2165   6.5-3.5   (+6 -3 =1 )   82.5  +100
 - Dorpsgek Cosmopolitan 2 64-bit    2151   2.5-1.5   (+2 -1 =1 )   94.0   +53
 - Blitzkrieg rev337 64-bit          2141   7.5-2.5   (+6 -1 =3 )   98.9  +132
 - Parrot 07.07.22                   2131   4.5-5.5   (+3 -4 =3 )   99.9   -87
 - Barbarossa 0.4.0 DJ 64-bit        2098   7.0-7.0   (+3 -3 =8 )  100.0   -87
 - Galjoen 0.36 64-bit               2077   6.0-4.0   (+5 -3 =2 )  100.0   -37
 - BigLion 2.23w                     2070   5.5-4.5   (+4 -3 =3 )  100.0   -76
 - Soldat III 0.178 64-bit           2067   5.0-5.0   (+4 -4 =2 )  100.0  -116
 - Zeta Dva 0301 64-bit              2061   4.5-5.5   (+3 -4 =3 )  100.0  -154


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