CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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EXchess 5.04b 64-bit in CCRL 40/40, 2019-09-14
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 2187 Elo points (+29 -29),
based on 424 games: 153 wins, 178 losses and 93 draws
Score: 47.1%, Average opponent: +27.4, Draws: 21.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Eeyore 1.50                       2343   5.5-18.5  (+4 -17=3 )    0.0   -65
 - Chezzz 1.0.3                      2322   9.0-15.0  (+6 -12=6 )    0.0   +43
 - EveAnn 1.67                       2318   0.5-3.5   (+0 -3 =1 )    0.0  -182
 - Alex 2.09                         2300   8.0-16.0  (+7 -15=2 )    0.0   -24
 - Sungorus 1.4 64-bit               2299   9.0-15.0  (+7 -13=4 )    0.0   +17
 - Mediocre 0.5                      2293   2.0-2.0   (+2 -2 =0 )    0.0   +75
 - Butcher 1.64 64-bit               2281   3.0-1.0   (+2 -0 =2 )    0.0  +212
 - Tigran 2.3 64-bit                 2261   2.0-2.0   (+2 -2 =0 )    0.1   +43
 - AliChess 4.21                     2258   9.0-15.0  (+8 -14=2 )    0.0   -34
 - Waxman 2009                       2253  12.5-11.5  (+11-10=3 )    0.0   +86
 - Beowulf 2.4a 64-bit               2249   8.5-15.5  (+7 -14=3 )    0.0   -58
 - KMTChess 1.2.1 64-bit             2231  11.5-12.5  (+8 -9 =7 )    1.2   +30
 - RamJet 0.13                       2228   4.0-6.0   (+1 -3 =6 )    1.2    -7
 - Vajolet 1.62.1                    2222   1.0-3.0   (+1 -3 =0 )    6.5  -223
 - Ifrit j3.6 64-bit                 2217   6.5-17.5  (+5 -16=3 )    8.2  -155
 - ChessKISS 1.7 64-bit              2209   2.0-2.0   (+1 -1 =2 )   11.4    -8
 - FireFly 2.5.13 64-bit             2208   3.0-1.0   (+3 -1 =0 )   18.7  +219
 - GopherCheck 0.2.3 64-bit          2191   6.0-4.0   (+4 -2 =4 )   42.1   +66
 - Shallow 1.0 64-bit                2186   3.0-1.0   (+3 -1 =0 )   52.5  +197
 - K2 0.57                           2184   3.0-7.0   (+1 -5 =4 )   54.8  -122
 - Prophet 2.0 64-bit                2179   7.0-3.0   (+5 -1 =4 )   64.5  +115
 - Isa 1.9.51 64-bit                 2172   6.5-1.5   (+5 -0 =3 )   76.5  +197
 - NG-Play 9.86 64-bit               2170   2.5-3.5   (+2 -3 =1 )   81.5   -85
 - Ifrit j4.3                        2151   3.5-2.5   (+2 -1 =3 )   96.0   +15
 - Blitzkrieg rev337 64-bit          2144   6.5-3.5   (+6 -3 =1 )   99.3   +73
 - Maverick 0.2 64-bit               2142   3.5-2.5   (+3 -2 =1 )   98.3   +12
 - GopherCheck 0.2.2 64-bit          2139   2.5-1.5   (+1 -0 =3 )   99.2   +11
 - K2 0.43f                          2139   6.0-2.0   (+5 -1 =2 )   98.5  +134
 - Parrot 07.07.22                   2135   1.5-4.5   (+1 -4 =1 )   99.8  -242
 - Waxman 2008                       2134   2.5-3.5   (+2 -3 =1 )   99.7  -110
 - Barbarossa 0.4.0 64-bit           2133   3.0-1.0   (+3 -1 =0 )   99.9  +172
 - Napoleon 1.5.0 64-bit             2122   5.0-3.0   (+3 -1 =4 )   99.9   +13
 - BikJump 2.01 64-bit               2117   3.5-2.5   (+3 -2 =1 )  100.0   -12
 - MadChess 1.2 64-bit               2112   4.5-1.5   (+4 -1 =1 )  100.0  +114
 - Napoleon 1.4.0 64-bit             2110   7.0-5.0   (+5 -3 =4 )  100.0   -21
 - Clarabit 1.00 64-bit              2105   2.5-1.5   (+2 -1 =1 )  100.0   +10
 - Jabba 1.0 64-bit                  2077   7.0-3.0   (+6 -2 =2 )  100.0   +36
 - BigLion 2.23w                     2076   2.0-4.0   (+2 -4 =0 )  100.0  -260
 - RamJet 0.12                       2075   5.5-4.5   (+3 -2 =5 )  100.0   -88
 - Cinnamon 2.0 64-bit               2036   8.5-1.5   (+7 -0 =3 )  100.0  +101


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019