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 2.0.45 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 2.0.45 64-bit has no rank with rating of 2189 Elo points (+22 -22),
based on 793 games: 356 wins, 277 losses and 160 draws
Score: 55.0%, Average opponent: −37.9, Draws: 20.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bearded N44.5 64-bit               2392   3.0-25.0  (+0 -22=6 )    0.0  -110
 - Dimitri 350a                       2308  10.5-11.5  (+8 -9 =5 )    0.0  +101
 - Napoleon 1.8 64-bit                2250   8.0-13.0  (+4 -9 =8 )    0.0   -10
 - Robocide 20170718 64-bit           2242  13.0-12.0  (+10-9 =6 )    0.0   +72
 - Mango Paola Ajedrez 1.0            2175  12.5-19.5  (+11-18=3 )   86.7  -103
 - Protej 0.5.8c                      2174  18.0-14.0  (+17-13=2 )   87.0   +37
 - Genesis 2.0                        2169  16.0-16.0  (+10-10=12)   95.0   -20
 - Dorpsgek Cosmopolitan 2 64-bit     2156  23.5-8.5   (+22-7 =3 )   99.0  +162
 - BlackBishop 1.0                    2153  21.5-10.5  (+18-7 =7 )   99.9   +88
 - Blitzkrieg rev337 64-bit           2148  22.0-6.0   (+19-3 =6 )   99.9  +177
 - NagaSkaki 5.12                     2148  19.5-12.5  (+15-8 =9 )  100.0   +35
 - Chesley r323 64-bit                2143  13.0-15.0  (+12-14=2 )   99.9   -75
 - Alarm 0.93.1                       2142  13.0-15.0  (+10-12=6 )  100.0   -73
 - Lime 66                            2141  17.0-11.0  (+15-9 =4 )  100.0   +37
 - Sunsetter 10.3 64-bit              2138  12.5-15.5  (+10-13=5 )  100.0   -91
 - ChessKISS 1.7c 64-bit              2131  19.5-8.5   (+17-6 =5 )  100.0   +92
 - Fortress 1.62                      2131  14.0-13.0  (+12-11=4 )  100.0   -44
 - Nesik 0.7.0 alpha                  2128  15.0-11.0  (+13-9 =4 )  100.0    -1
 - GopherCheck 0.2.2 64-bit           2127  19.5-12.5  (+14-7 =11)  100.0   +11
 - WJChess 1.64                       2126  11.0-16.0  (+8 -13=6 )  100.0  -131
 - Galjoen 0.36 64-bit                2113  11.5-7.5   (+7 -3 =9 )  100.0   -14
 - GK 0.90 64-bit                     2111  14.5-13.5  (+12-11=5 )  100.0   -67
 - Alf 1.09 64-bit                    2105  13.0-14.0  (+9 -10=8 )  100.0   -99
 - BikJump 2.01 64-bit                2098  16.5-11.5  (+13-8 =7 )  100.0   -24
 - Wing 2.0a                          2097  19.0-13.0  (+17-11=4 )  100.0   -18
 - Napoleon 1.7 64-bit                2097  17.5-13.5  (+16-12=3 )  100.0   -42
 - Clarabit 1.00 64-bit               2096  16.5-11.5  (+14-9 =5 )  100.0   -24
 - Alcibiades 0.2.7 64-bit            2063  25.5-6.5   (+23-4 =5 )  100.0  +110


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