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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EXchess 5.04b 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:
EXchess 5.04b 64-bit has no rank with rating of 2186 Elo points (+29 -29),
based on 424 games: 153 wins, 178 losses and 93 draws
Score: 47.1%, Average opponent: +26.8, Draws: 21.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Eeyore 1.50                       2341   5.5-18.5  (+4 -17=3 )    0.0   -66
 - EveAnn 1.67                       2325   0.5-3.5   (+0 -3 =1 )    0.0  -174
 - Sungorus 1.4 64-bit               2315   9.0-15.0  (+7 -13=4 )    0.0   +34
 - Chezzz 1.0.3                      2310   9.0-15.0  (+6 -12=6 )    0.0   +32
 - Alex 2.09                         2299   8.0-16.0  (+7 -15=2 )    0.0   -24
 - Mediocre 0.5                      2291   2.0-2.0   (+2 -2 =0 )    0.0   +74
 - Butcher 1.64 64-bit               2282   3.0-1.0   (+2 -0 =2 )    0.0  +214
 - Tigran 2.3 64-bit                 2261   2.0-2.0   (+2 -2 =0 )    0.1   +44
 - AliChess 4.21                     2256   9.0-15.0  (+8 -14=2 )    0.0   -35
 - Waxman 2009                       2251  12.5-11.5  (+11-10=3 )    0.0   +85
 - Beowulf 2.4a 64-bit               2250   8.5-15.5  (+7 -14=3 )    0.0   -56
 - KMTChess 1.2.1 64-bit             2228  11.5-12.5  (+8 -9 =7 )    1.6   +28
 - RamJet 0.13                       2221   4.0-6.0   (+1 -3 =6 )    2.9   -13
 - Vajolet 1.62.1                    2219   1.0-3.0   (+1 -3 =0 )    7.7  -225
 - Ifrit j3.6 64-bit                 2214   6.5-17.5  (+5 -16=3 )    9.3  -157
 - ChessKISS 1.7 64-bit              2210   2.0-2.0   (+1 -1 =2 )    9.3    -6
 - FireFly 2.5.13 64-bit             2206   3.0-1.0   (+3 -1 =0 )   19.2  +218
 - Shallow 1.0 64-bit                2188   3.0-1.0   (+3 -1 =0 )   46.3  +200
 - GopherCheck 0.2.3 64-bit          2185   6.0-4.0   (+4 -2 =4 )   51.7   +61
 - K2 0.57                           2182   3.0-7.0   (+1 -5 =4 )   55.9  -123
 - Prophet 2.0 64-bit                2173   7.0-3.0   (+5 -1 =4 )   71.4  +110
 - NG-Play 9.86 64-bit               2170   2.5-3.5   (+2 -3 =1 )   79.3   -84
 - Isa 1.9.51 64-bit                 2163   6.5-1.5   (+5 -0 =3 )   85.2  +189
 - Ifrit j4.3                        2146   3.5-2.5   (+2 -1 =3 )   97.0   +11
 - Blitzkrieg rev337 64-bit          2141   6.5-3.5   (+6 -3 =1 )   99.0   +71
 - GopherCheck 0.2.2 64-bit          2141   2.5-1.5   (+1 -0 =3 )   97.4   +14
 - K2 0.43f                          2138   6.0-2.0   (+5 -1 =2 )   98.2  +134
 - Maverick 0.2 64-bit               2137   3.5-2.5   (+3 -2 =1 )   98.6    +8
 - Parrot 07.07.22                   2131   1.5-4.5   (+1 -4 =1 )   99.9  -245
 - Waxman 2008                       2126   2.5-3.5   (+2 -3 =1 )   99.9  -117
 - Napoleon 1.5.0 64-bit             2120   5.0-3.0   (+3 -1 =4 )   99.9   +12
 - MadChess 1.2 64-bit               2111   4.5-1.5   (+4 -1 =1 )  100.0  +114
 - Napoleon 1.4.0 64-bit             2111   7.0-5.0   (+5 -3 =4 )  100.0   -19
 - BikJump 2.01 64-bit               2110   3.5-2.5   (+3 -2 =1 )  100.0   -18
 - Clarabit 1.00 64-bit              2100   2.5-1.5   (+2 -1 =1 )  100.0    +5
 - Barbarossa 0.4.0 DJ 64-bit        2098   3.0-1.0   (+3 -1 =0 )  100.0  +138
 - Jabba 1.0 64-bit                  2077   7.0-3.0   (+6 -2 =2 )  100.0   +36
 - RamJet 0.12                       2074   5.5-4.5   (+3 -2 =5 )  100.0   -88
 - BigLion 2.23w                     2070   2.0-4.0   (+2 -4 =0 )  100.0  -265
 - Cinnamon 2.0 64-bit               2059   8.5-1.5   (+7 -0 =3 )  100.0  +125


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