CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Violet 2.5 64-bit in CCRL 40/4, 2017-11-18
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:
Violet 2.5 64-bit is #493-494 with rating of 1471 Elo points (+24 -25),
based on 778 games: 151 wins, 502 losses and 125 draws
Score: 27.4%, Average opponent: +186.8, Draws: 16.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Roce 0.0390                        1842   2.5-28.5  (+2 -28=1 )    0.0   -72
 - Beaches 2.32                       1799   3.0-28.0  (+1 -26=4 )    0.0   -31
 - MorphyChess 1.0.5                  1797   3.0-28.0  (+1 -26=4 )    0.0   -37
 - Predateur 2.2.1 64-bit             1786   4.5-27.5  (+4 -27=1 )    0.0   -32
 - Cecir 3.5                          1779   3.5-27.5  (+1 -25=5 )    0.0   -20
 - Mint 2.3                           1754   3.5-27.5  (+1 -25=5 )    0.0   -45
 - Robin 0.983                        1753   2.5-28.5  (+2 -28=1 )    0.0  -160
 - Chenard 2009.09.19                 1750   2.5-29.5  (+1 -28=3 )    0.0  -125
 - Elf 1.3.0                          1730  10.0-20.0  (+10-20=0 )    0.0  +111
 - Adamant 1.7                        1718   4.5-25.5  (+3 -24=3 )    0.0   -59
 - Tscp 1.81                          1702   7.0-21.0  (+5 -19=4 )    0.0   +29
 - Belzebub 0.67                      1646   8.5-23.5  (+5 -20=7 )    0.0    +3
 - Cmcchess 2.5                       1644  11.5-19.5  (+6 -14=11)    0.0   +89
 - ALChess 1.5b                       1639   7.0-25.0  (+5 -23=4 )    0.0   -63
 - IQ23.003                           1629   8.0-24.0  (+4 -20=8 )    0.0   -22
 - ChessRikus 1.466                   1617  12.0-20.0  (+8 -16=8 )    0.0   +61
 - Storm 0.6                          1612  12.0-19.0  (+10-17=4 )    0.0   +55
 - AdaChess 2.0                       1606  10.5-21.5  (+9 -20=3 )    0.0    -9
 - Rainman 0.7.5                      1600  13.0-19.0  (+8 -14=10)    0.0   +63
 - Grizzly 2.0.8x                     1588   7.5-24.5  (+5 -22=5 )    0.0   -96
 - Zotron 4.4.6                       1572  10.0-22.0  (+7 -19=6 )    0.0   -42
 - Needle 0.531                       1562  12.0-19.0  (+8 -15=8 )    0.0   +13
 - Piranha 0.5                        1483  21.5-9.5   (+19-7 =5 )   18.3  +160
 - Numpty Recharged 64-bit            1447  16.0-14.0  (+11-9 =10)   94.8     0
 - MiniMardi 1.3                      1387  17.5-12.5  (+15-10=5 )  100.0   -20


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017