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 1.9.63 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 1.9.63 64-bit has no rank with rating of 2104 Elo points (+20 -21),
based on 888 games: 328 wins, 394 losses and 166 draws
Score: 46.3%, Average opponent: +26.9, Draws: 18.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - NG-Play 9.86 64-bit                2189  12.5-19.5  (+9 -16=7 )    0.0    +3
 - Mango Paola Ajedrez 1.0            2175  10.5-11.5  (+7 -8 =7 )    0.0   +56
 - Protej 0.5.8c                      2174   8.5-15.5  (+6 -13=5 )    0.0   -35
 - Genesis 2.0                        2169  17.0-9.0   (+15-7 =4 )    0.0  +188
 - Dorpsgek Cosmopolitan 2 64-bit     2156  14.0-16.0  (+11-13=6 )    0.0   +29
 - BlackBishop 1.0                    2153  12.5-17.5  (+9 -14=7 )    0.0   -11
 - NagaSkaki 5.12                     2148  11.5-13.5  (+8 -10=7 )    0.0   +17
 - Blitzkrieg rev337 64-bit           2148  21.0-31.0  (+17-27=8 )    0.0   -29
 - Chesley r323 64-bit                2143  23.5-34.5  (+21-32=5 )    0.2   -39
 - Alarm 0.93.1                       2142  12.0-15.0  (+10-13=4 )    0.0    -3
 - Lime 66                            2141  12.0-8.0   (+11-7 =2 )    0.1  +114
 - Fortress 1.62                      2131  16.5-38.5  (+10-32=13)    0.7  -116
 - ChessKISS 1.7c 64-bit              2131  20.0-36.0  (+15-31=10)    1.5   -81
 - Nesik 0.7.0 alpha                  2128  27.5-30.5  (+21-24=13)    1.7    +6
 - GopherCheck 0.2.2 64-bit           2127  14.0-18.0  (+10-14=8 )    4.2   -22
 - WJChess 1.64                       2126  26.0-30.0  (+21-25=10)    2.5    -2
 - Bearded 06_29                      2120  24.5-29.5  (+22-27=5 )   10.3   -22
 - GK 0.90 64-bit                     2111  27.0-28.0  (+22-23=10)   26.6    -2
 - Alf 1.09 64-bit                    2105  27.0-28.0  (+22-23=10)   46.8    -4
 - KnockOut 0.7.1                     2104  33.0-25.0  (+27-19=12)   49.0   +51
 - Napoleon 1.7 64-bit                2097  21.0-10.0  (+18-7 =6 )   68.6  +127
 - Galjoen 0.35.2 64-bit              2052  19.5-12.5  (+16-9 =7 )  100.0   +28


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