CCRL 40/4
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 1'636'522 games
played by 1'950 programs
22009 CPU days (X2 4600+)

White wins: 639'530 (39.1%)
Black wins: 520'020 (31.8%)
Draws: 476'972 (29.1%)
White score: 53.7%

Engine Details

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Violet 2.5 64-bit in CCRL 40/4, 2018-01-20
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:
Violet 2.5 64-bit is #502-503 with rating of 1469 Elo points (+24 -25),
based on 778 games: 151 wins, 502 losses and 125 draws
Score: 27.4%, Average opponent: +187.1, Draws: 16.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Roce 0.0390                        1842   2.5-28.5  (+2 -28=1 )    0.0   -70
 - Beaches 2.32                       1796   3.0-28.0  (+1 -26=4 )    0.0   -32
 - MorphyChess 1.0.5                  1796   3.0-28.0  (+1 -26=4 )    0.0   -36
 - Predateur 2.2.1 64-bit             1785   4.5-27.5  (+4 -27=1 )    0.0   -31
 - Cecir 3.5                          1778   3.5-27.5  (+1 -25=5 )    0.0   -19
 - Mint 2.3                           1753   3.5-27.5  (+1 -25=5 )    0.0   -44
 - Robin 0.983                        1751   2.5-28.5  (+2 -28=1 )    0.0  -160
 - Chenard 2009.09.19                 1749   2.5-29.5  (+1 -28=3 )    0.0  -124
 - Elf 1.3.0                          1729  10.0-20.0  (+10-20=0 )    0.0  +112
 - Adamant 1.7                        1716   4.5-25.5  (+3 -24=3 )    0.0   -59
 - Tscp 1.81                          1700   7.0-21.0  (+5 -19=4 )    0.0   +29
 - Belzebub 0.67                      1644   8.5-23.5  (+5 -20=7 )    0.0    +3
 - Cmcchess 2.5                       1642  11.5-19.5  (+6 -14=11)    0.0   +89
 - ALChess 1.5b                       1638   7.0-25.0  (+5 -23=4 )    0.0   -62
 - IQ23.003                           1628   8.0-24.0  (+4 -20=8 )    0.0   -21
 - ChessRikus 1.466                   1616  12.0-20.0  (+8 -16=8 )    0.0   +62
 - Storm 0.6                          1610  12.0-19.0  (+10-17=4 )    0.0   +55
 - AdaChess 2.0                       1604  10.5-21.5  (+9 -20=3 )    0.0    -9
 - Rainman 0.7.5                      1597  13.0-19.0  (+8 -14=10)    0.0   +62
 - Grizzly 2.0.8x                     1587   7.5-24.5  (+5 -22=5 )    0.0   -95
 - Zotron 4.4.6                       1570  10.0-22.0  (+7 -19=6 )    0.0   -42
 - Needle 0.531                       1559  12.0-19.0  (+8 -15=8 )    0.0   +12
 - Piranha 0.5                        1481  21.5-9.5   (+19-7 =5 )   19.2  +160
 - Numpty Recharged 64-bit            1445  16.0-14.0  (+11-9 =10)   94.7     0
 - MiniMardi 1.3                      1383  17.5-12.5  (+15-10=5 )  100.0   -22


Created in 2005-2013 by CCRL team
Last games added on January 20, 2018