CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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Isa 2.0.61 64-bit in CCRL 40/4, 2018-04-21
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Isa 2.0.61 64-bit has no rank with rating of 2229 Elo points (+19 -19),
based on 1032 games: 438 wins, 373 losses and 221 draws
Score: 53.1%, Average opponent: −22.3, Draws: 21.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Drosophila 1.5.1 64-bit            2491   3.0-9.0   (+2 -8 =2 )    0.0   +61
 - RubiChess 0.7 64-bit               2309  12.5-22.5  (+9 -19=7 )    0.0   -25
 - Natwarlal 0.14                     2259  15.0-17.0  (+10-12=10)    0.2    +8
 - Napoleon 1.8 64-bit                2250  15.5-14.5  (+13-12=5 )    5.0   +36
 - FireFly 2.7.2 64-bit               2250  14.0-19.0  (+10-15=8 )    5.4   -32
 - Robocide 20170718 64-bit           2242  14.0-18.0  (+13-17=2 )   16.9   -37
 - Ant 2006-F                         2235  18.0-14.0  (+16-12=4 )   27.1   +55
 - GopherCheck 0.2.3 64-bit           2234  14.0-15.0  (+9 -10=10)   35.6   -10
 - Dorpsgek Eves-Temptation 64-bit    2233  18.5-11.5  (+14-7 =9 )   39.7   +83
 - Anechka 0.08                       2233  14.0-18.0  (+10-14=8 )   33.7   -39
 - AliChess 4.25                      2232  15.5-13.5  (+13-11=5 )   38.2   +29
 - Adam 3.3                           2223  20.0-12.0  (+18-10=4 )   70.6   +95
 - Buzz 0.08 64-bit                   2214  17.5-14.5  (+14-11=7 )   89.4   +18
 - RamJet 0.13                        2213  18.5-10.5  (+15-7 =7 )   90.3   +84
 - ChessAlex 2.0r4                    2202  16.0-13.0  (+13-10=6 )   98.6    +8
 - Dorpsgek Dillinger 64-bit          2201  17.5-14.5  (+16-13=3 )   97.8    +8
 - Chispa 4.0.3                       2200  33.5-27.5  (+26-20=15)   99.8    +4
 - Beowulf 2.4a 32-bit                2196  31.0-31.0  (+25-25=12)   99.9   -33
 - RattateChess 1.0 Nosferatu         2195  31.5-30.5  (+23-22=17)   99.9   -27
 - Latista (Sinobyl) 1.5              2193  12.0-18.0  (+7 -13=10)   99.9  -101
 - NG-Play 9.86 64-bit                2189  10.5-15.5  (+7 -12=7 )   99.9  -115
 - Uralochka 1.1b                     2185  18.5-13.5  (+16-11=5 )  100.0   +18
 - Madeleine 0.2                      2180  36.5-24.5  (+30-18=13)  100.0   +22
 - Atak 6.8                           2179  38.0-23.0  (+31-16=14)  100.0   +37
 - Mango Paola Ajedrez 1.0            2175  13.5-15.5  (+10-12=7 )  100.0   -81
 - Galjoen 0.37.2 64-bit              2156  34.0-23.0  (+30-19=8 )  100.0    +1
 - Kurt 0.9.2.2 64-bit                2155  16.5-12.5  (+14-10=5 )  100.0   -23
 - RamJet 0.14                        2115  23.0-8.0   (+19-4 =8 )  100.0   +58
 - Alf 1.09 64-bit                    2105   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - Wing 2.01                          2051   0.5-0.5   (+0 -0 =1 )   96.5  -150
 - Ecce 1.0 (rev. 508) 64-bit         2002   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Requiem 0.53                       1998   0.5-0.5   (+0 -0 =1 )  100.0  -200
 - Leonidas 83 64-bit                 1993   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Bubble 1.5                         1981   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - La Dame Blanche 2.0c               1964   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - SSEChessII 2.05 DC                 1963   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - ALChess 1.84                       1951   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - ChessMind 0.80                     1948   0.5-0.5   (+0 -0 =1 )  100.0  -250
 - Smash 1.0.3                        1919   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018