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 1.9.63 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 1.9.63 64-bit has no rank with rating of 2186 Elo points (+27 -27),
based on 479 games: 145 wins, 199 losses and 135 draws
Score: 44.4%, Average opponent: +38.3, Draws: 28.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Nemeton 1.51                       2452   1.5-8.5   (+1 -8 =1 )    0.0   -38
 - Butcher 1.61 64-bit                2335   3.0-7.0   (+3 -7 =0 )    0.0   -27
 - Gibbon 2.69a 64-bit                2318   3.0-7.0   (+1 -5 =4 )    0.0    +3
 - KnightX 1.92                       2316   3.5-6.5   (+1 -4 =5 )    0.0   +42
 - Averno 0.81                        2312   5.5-4.5   (+4 -3 =3 )    0.0  +167
 - Nemeton 1.2                        2308   2.0-8.0   (+2 -8 =0 )    0.0  -162
 - RubiChess 0.7 64-bit               2303   4.5-1.5   (+3 -0 =3 )    0.0  +269
 - Natwarlal 0.14                     2302   1.5-8.5   (+0 -7 =3 )    0.0  -131
 - Schooner 1.5 64-bit                2299   3.5-10.5  (+1 -8 =5 )    0.0   -53
 - Anechka 0.08                       2299   3.5-6.5   (+0 -3 =7 )    0.0   +30
 - Fischerle 0.9.70 SE 64-bit         2294   1.0-3.0   (+0 -2 =2 )    0.0   -48
 - Absolute Zero 2.4.7.2 64-bit       2294   3.5-10.5  (+2 -9 =3 )    0.0   -82
 - Chaturanga 2.4.3                   2290   2.0-8.0   (+1 -7 =2 )    0.0  -125
 - Matilde 2008 64-bit                2288   2.5-7.5   (+0 -5 =5 )    0.0   -52
 - FireFly 2.7.0 64-bit               2286   6.0-8.0   (+3 -5 =6 )    0.0   +52
 - Bearded N44.2 64-bit               2285   6.0-8.0   (+4 -6 =4 )    0.0   +52
 - Galjoen 0.38 64-bit                2282   0.5-3.5   (+0 -3 =1 )    0.0  -186
 - Chispa 4.0.3                       2272   4.5-5.5   (+3 -4 =3 )    0.0   +49
 - Ayito 0.2.994                      2264   3.5-6.5   (+3 -6 =1 )    0.0   -40
 - Protej 0.5.8c                      2251   5.0-5.0   (+3 -3 =4 )    0.0   +65
 - Exacto 0.e 64-bit                  2250   5.0-5.0   (+3 -3 =4 )    0.0   +64
 - Mango Paola Ajedrez 4.1            2248   5.0-5.0   (+2 -2 =6 )    0.0   +65
 - Lozza 1.14a 64-bit                 2246   3.5-5.5   (+2 -4 =3 )    0.1    -8
 - Atak 6.8                           2236   4.5-5.5   (+4 -5 =1 )    0.1   +12
 - Dolphin 1.0 64-bit                 2229   3.5-5.5   (+2 -4 =3 )    0.4   -31
 - RamJet 0.13                        2228   2.5-1.5   (+2 -1 =1 )    0.7  +134
 - Uralochka 1.1b                     2217   7.0-3.0   (+7 -3 =0 )    3.0  +213
 - OBender 03.2016 64-bit             2213   5.5-8.5   (+4 -7 =3 )    4.5   -52
 - Napoleon 1.6.0b 64-bit             2206   8.5-5.5   (+5 -2 =7 )   16.5   +83
 - ChessAlex 2.0r4                    2204   8.0-2.0   (+8 -2 =0 )   14.0  +299
 - Alf 1.09                           2194   4.5-5.5   (+3 -4 =3 )   31.8   -28
 - GopherCheck 0.2.3 64-bit           2190   0.5-1.5   (+0 -1 =1 )   39.8  -175
 - Quazar 0.2 64-bit                  2189   2.5-7.5   (+2 -7 =1 )   43.4  -202
 - Glass 0.1.0c                       2188   5.5-4.5   (+5 -4 =1 )   45.1   +43
 - NG-Play 9.87 64-bit                2187   3.5-0.5   (+3 -0 =1 )   47.4  +283
 - NagaSkaki 5.12                     2185   3.0-7.0   (+2 -6 =2 )   50.3  -154
 - Lime 66                            2177   7.5-3.5   (+7 -3 =1 )   70.4  +135
 - Embla 2.0.0 64-bit                 2171   3.5-6.5   (+2 -5 =3 )   80.3  -112
 - Clever Girl r185 64-bit            2162   0.0-2.0   (+0 -2 =0 )   90.2  -INF
 - Chesley r323 64-bit                2160   6.5-3.5   (+6 -3 =1 )   92.5   +92
 - Dorpsgek Cosmopolitan 2 64-bit     2151   2.5-1.5   (+2 -1 =1 )   95.9   +50
 - Blitzkrieg rev337 64-bit           2142   7.5-2.5   (+6 -1 =3 )   99.5  +130
 - Parrot 07.07.22                    2135   4.5-5.5   (+3 -4 =3 )   99.9   -86
 - Barbarossa 0.4.0 64-bit            2133   7.0-7.0   (+3 -3 =8 )   99.9   -55
 - Hedgehog 1.82 64-bit               2096   6.5-5.5   (+6 -5 =1 )  100.0   -58
 - Hedgehog 1.81 64-bit               2095   7.5-2.5   (+5 -0 =5 )  100.0   +63
 - BigLion 2.23w                      2076   5.5-4.5   (+4 -3 =3 )  100.0   -73
 - Galjoen 0.36 64-bit                2073   6.0-4.0   (+5 -3 =2 )  100.0   -44
 - Soldat III 0.178 64-bit            2069   5.0-5.0   (+4 -4 =2 )  100.0  -117
 - Zeta Dva 0301 64-bit               2054   4.5-5.5   (+3 -4 =3 )  100.0  -164


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