CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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EXchess 5.04b 64-bit in CCRL 40/40, 2018-01-20
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:
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: +27.2, Draws: 21.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Eeyore 1.50                        2342   5.5-18.5  (+4 -17=3 )    0.0   -65
 - EveAnn 1.67                        2324   0.5-3.5   (+0 -3 =1 )    0.0  -175
 - Sungorus 1.4 64-bit                2315   9.0-15.0  (+7 -13=4 )    0.0   +34
 - Chezzz 1.0.3                       2309   9.0-15.0  (+6 -12=6 )    0.0   +31
 - Alex 2.09                          2299   8.0-16.0  (+7 -15=2 )    0.0   -24
 - Mediocre 0.5                       2292   2.0-2.0   (+2 -2 =0 )    0.0   +75
 - Butcher 1.64 64-bit                2283   3.0-1.0   (+2 -0 =2 )    0.0  +215
 - Tigran 2.3 64-bit                  2262   2.0-2.0   (+2 -2 =0 )    0.1   +45
 - AliChess 4.21                      2257   9.0-15.0  (+8 -14=2 )    0.0   -34
 - Waxman 2009                        2251  12.5-11.5  (+11-10=3 )    0.0   +85
 - Beowulf 2.4a 64-bit                2251   8.5-15.5  (+7 -14=3 )    0.0   -55
 - KMTChess 1.2.1 64-bit              2228  11.5-12.5  (+8 -9 =7 )    1.5   +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                  2215   6.5-17.5  (+5 -16=3 )    9.2  -156
 - ChessKISS 1.7 64-bit               2210   2.0-2.0   (+1 -1 =2 )    9.4    -6
 - FireFly 2.5.13 64-bit              2207   3.0-1.0   (+3 -1 =0 )   19.0  +219
 - Shallow 1.0 64-bit                 2188   3.0-1.0   (+3 -1 =0 )   46.0  +200
 - GopherCheck 0.2.3 64-bit           2188   6.0-4.0   (+4 -2 =4 )   46.4   +64
 - K2 0.57                            2183   3.0-7.0   (+1 -5 =4 )   55.9  -122
 - Prophet 2.0 64-bit                 2174   7.0-3.0   (+5 -1 =4 )   71.4  +111
 - NG-Play 9.86 64-bit                2171   2.5-3.5   (+2 -3 =1 )   79.1   -83
 - Isa 1.9.51 64-bit                  2164   6.5-1.5   (+5 -0 =3 )   85.5  +190
 - Ifrit j4.3                         2147   3.5-2.5   (+2 -1 =3 )   97.0   +12
 - GopherCheck 0.2.2 64-bit           2141   2.5-1.5   (+1 -0 =3 )   97.4   +14
 - K2 0.43f                           2139   6.0-2.0   (+5 -1 =2 )   98.2  +135
 - Blitzkrieg rev337 64-bit           2138   6.5-3.5   (+6 -3 =1 )   99.5   +68
 - Maverick 0.2 64-bit                2138   3.5-2.5   (+3 -2 =1 )   98.6    +9
 - Parrot 07.07.22                    2132   1.5-4.5   (+1 -4 =1 )   99.9  -244
 - Waxman 2008                        2126   2.5-3.5   (+2 -3 =1 )   99.9  -117
 - Napoleon 1.5.0 64-bit              2121   5.0-3.0   (+3 -1 =4 )   99.9   +13
 - Napoleon 1.4.0 64-bit              2111   7.0-5.0   (+5 -3 =4 )  100.0   -19
 - BikJump 2.01 64-bit                2111   3.5-2.5   (+3 -2 =1 )  100.0   -17
 - MadChess 1.2 64-bit                2111   4.5-1.5   (+4 -1 =1 )  100.0  +114
 - Clarabit 1.00 64-bit               2100   2.5-1.5   (+2 -1 =1 )  100.0    +5
 - Barbarossa 0.4.0 DJ 64-bit         2096   3.0-1.0   (+3 -1 =0 )  100.0  +136
 - Jabba 1.0 64-bit                   2078   7.0-3.0   (+6 -2 =2 )  100.0   +37
 - RamJet 0.12                        2075   5.5-4.5   (+3 -2 =5 )  100.0   -87
 - 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 January 20, 2018