CCRL 40/4
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 1'592'683 games
played by 1'883 programs
21321 CPU days (X2 4600+)

White wins: 622'693 (39.1%)
Black wins: 507'056 (31.8%)
Draws: 462'934 (29.1%)
White score: 53.6%

Engine Details

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Isa 2.0.48 64-bit in CCRL 40/4, 2017-12-09
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, 2005-2017, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Isa 2.0.48 64-bit has no rank with rating of 2172 Elo points (+21 -21),
based on 790 games: 278 wins, 334 losses and 178 draws
Score: 46.5%, Average opponent: +24.6, Draws: 22.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gosu 0.16                          2380   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Alex 2.14a 64-bit                  2345   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Plisk 0.2.7d 64-bit                2343   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Sungorus 1.4 64-bit                2309   0.5-0.5   (+0 -0 =1 )    0.0  +106
 - Scidlet 3.61 64-bit                2270   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - Esc 1.16                           2264   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Thor's Hammer 2.29 64-bit          2247   0.5-0.5   (+0 -0 =1 )    4.6   +45
 - GopherCheck 0.2.3 64-bit           2233  11.0-19.0  (+9 -17=4 )    0.0   -43
 - Adam 3.3                           2224  11.0-19.0  (+8 -16=6 )    0.0   -47
 - Drosophila 1.4 64-bit              2223  16.0-15.0  (+13-12=6 )    0.2   +63
 - Joker2 0.7.7 64-bit                2218  11.0-10.0  (+6 -5 =10)    0.4   +61
 - OBender 03.2016 64-bit             2216  16.5-13.5  (+14-11=5 )    0.1   +84
 - Exacto 0.e 64-bit                  2215  10.0-19.0  (+7 -16=6 )    0.0   -73
 - Buzz 0.08 64-bit                   2215  15.0-15.0  (+12-12=6 )    0.0   +43
 - RamJet 0.13                        2213  15.5-14.5  (+13-12=5 )    0.1   +58
 - FireFly 2.7.0 64-bit               2206  10.0-16.0  (+7 -13=6 )    0.4   -51
 - ChessAlex 2.0r4                    2201  12.5-17.5  (+8 -13=9 )    1.4   -30
 - Chispa 4.0.3                       2199  12.0-17.0  (+4 -9 =16)    0.9   -18
 - RattateChess 1.0 Nosferatu         2197  28.5-27.5  (+21-20=15)    2.4   +33
 - Beowulf 2.4a 32-bit                2194  23.0-30.0  (+18-25=10)    3.1   -25
 - Latista (Sinobyl) 1.5              2192  22.0-31.0  (+14-23=16)    4.9   -35
 - Uralochka 1.1b                     2184  28.0-28.0  (+23-23=10)   15.3   +11
 - Madeleine 0.2                      2183  26.0-31.0  (+21-26=10)   16.1   -22
 - Neurosis 2.5                       2183  13.0-15.0  (+10-12=6 )   20.2   -16
 - Atak 6.8                           2182  32.5-23.5  (+26-17=13)   20.3   +68
 - Mango Paola Ajedrez 1.0            2170  14.5-15.5  (+11-12=7 )   54.4   -13
 - Protej 0.5.8c                      2170  21.0-26.0  (+19-24=4 )   54.5   -43
 - Dorpsgek Cosmopolitan 2 64-bit     2156  14.0-15.0  (+11-12=6 )   87.3   -31
 - Alarm 0.93.1                       2142   1.0-0.0   (+1 -0 =0 )   99.4  +INF
 - Smash 1.0.3                        1921   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017