CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Engine Details

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EXchess 5.04b 64-bit in CCRL 40/40, 2019-05-18
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
EXchess 5.04b 64-bit has no rank with rating of 2188 Elo points (+29 -29),
based on 424 games: 153 wins, 178 losses and 93 draws
Score: 47.1%, Average opponent: +27.3, Draws: 21.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Eeyore 1.50                        2344   5.5-18.5  (+4 -17=3 )    0.0   -65
 - Chezzz 1.0.3                       2322   9.0-15.0  (+6 -12=6 )    0.0   +42
 - EveAnn 1.67                        2319   0.5-3.5   (+0 -3 =1 )    0.0  -182
 - Alex 2.09                          2301   8.0-16.0  (+7 -15=2 )    0.0   -24
 - Sungorus 1.4 64-bit                2300   9.0-15.0  (+7 -13=4 )    0.0   +17
 - Mediocre 0.5                       2294   2.0-2.0   (+2 -2 =0 )    0.0   +75
 - Butcher 1.64 64-bit                2287   3.0-1.0   (+2 -0 =2 )    0.0  +217
 - Tigran 2.3 64-bit                  2262   2.0-2.0   (+2 -2 =0 )    0.1   +43
 - AliChess 4.21                      2258   9.0-15.0  (+8 -14=2 )    0.0   -35
 - Waxman 2009                        2253  12.5-11.5  (+11-10=3 )    0.0   +85
 - Beowulf 2.4a 64-bit                2252   8.5-15.5  (+7 -14=3 )    0.0   -56
 - KMTChess 1.2.1 64-bit              2232  11.5-12.5  (+8 -9 =7 )    1.3   +30
 - RamJet 0.13                        2229   4.0-6.0   (+1 -3 =6 )    1.1    -7
 - Vajolet 1.62.1                     2223   1.0-3.0   (+1 -3 =0 )    6.4  -223
 - Ifrit j3.6 64-bit                  2218   6.5-17.5  (+5 -16=3 )    8.3  -155
 - ChessKISS 1.7 64-bit               2210   2.0-2.0   (+1 -1 =2 )   11.3    -8
 - FireFly 2.5.13 64-bit              2209   3.0-1.0   (+3 -1 =0 )   18.6  +219
 - GopherCheck 0.2.3 64-bit           2191   6.0-4.0   (+4 -2 =4 )   43.1   +65
 - Shallow 1.0 64-bit                 2187   3.0-1.0   (+3 -1 =0 )   52.0  +197
 - K2 0.57                            2185   3.0-7.0   (+1 -5 =4 )   56.1  -122
 - Prophet 2.0 64-bit                 2180   7.0-3.0   (+5 -1 =4 )   65.1  +115
 - Isa 1.9.51 64-bit                  2173   6.5-1.5   (+5 -0 =3 )   76.9  +197
 - NG-Play 9.86 64-bit                2171   2.5-3.5   (+2 -3 =1 )   81.4   -85
 - Ifrit j4.3                         2149   3.5-2.5   (+2 -1 =3 )   97.0   +12
 - Blitzkrieg rev337 64-bit           2144   6.5-3.5   (+6 -3 =1 )   99.3   +72
 - Maverick 0.2 64-bit                2143   3.5-2.5   (+3 -2 =1 )   98.3   +12
 - GopherCheck 0.2.2 64-bit           2140   2.5-1.5   (+1 -0 =3 )   99.2   +11
 - K2 0.43f                           2140   6.0-2.0   (+5 -1 =2 )   98.5  +134
 - Parrot 07.07.22                    2136   1.5-4.5   (+1 -4 =1 )   99.8  -242
 - Barbarossa 0.4.0 64-bit            2134   3.0-1.0   (+3 -1 =0 )   99.9  +172
 - Waxman 2008                        2134   2.5-3.5   (+2 -3 =1 )   99.8  -111
 - Napoleon 1.5.0 64-bit              2123   5.0-3.0   (+3 -1 =4 )   99.9   +13
 - BikJump 2.01 64-bit                2118   3.5-2.5   (+3 -2 =1 )  100.0   -12
 - MadChess 1.2 64-bit                2115   4.5-1.5   (+4 -1 =1 )  100.0  +116
 - Napoleon 1.4.0 64-bit              2110   7.0-5.0   (+5 -3 =4 )  100.0   -22
 - Clarabit 1.00 64-bit               2105   2.5-1.5   (+2 -1 =1 )  100.0    +9
 - Jabba 1.0 64-bit                   2078   7.0-3.0   (+6 -2 =2 )  100.0   +36
 - BigLion 2.23w                      2077   2.0-4.0   (+2 -4 =0 )  100.0  -260
 - RamJet 0.12                        2076   5.5-4.5   (+3 -2 =5 )  100.0   -88
 - Cinnamon 2.0 64-bit                2037   8.5-1.5   (+7 -0 =3 )  100.0  +101


Created in 2005-2013 by CCRL team
Last games added on May 18, 2019