CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Violet 2.0 64-bit in CCRL 40/4, 2019-07-20
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, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Violet 2.0 64-bit has no rank with rating of 1680 Elo points (+40 -39),
based on 222 games: 96 wins, 55 losses and 71 draws
Score: 59.2%, Average opponent: −64.4, Draws: 32.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - ChessterfieldCL i5a                1800   0.5-3.5   (+0 -3 =1 )    0.0  -168
 - Ziggy 0.7                          1746   2.5-3.5   (+2 -3 =1 )    0.2     0
 - Zoidberg 0.1                       1724   2.5-2.5   (+2 -2 =1 )    2.0   +44
 - SEE 0.6.9                          1722   4.0-2.0   (+2 -0 =4 )    2.1  +125
 - Aldebaran 0.7.0                    1713   1.0-6.0   (+0 -5 =2 )    5.6  -230
 - Coiled 0.1a                        1696   4.0-3.0   (+2 -1 =4 )   22.8   +48
 - Jester 0.84                        1695   4.5-4.5   (+3 -3 =3 )   23.4    +4
 - SharpChess2 2.6.9                  1692   0.5-2.5   (+0 -2 =1 )   31.9  -213
 - PolarChess 1.3                     1677   5.0-3.0   (+4 -2 =2 )   54.4   +78
 - Belzebub 0.67                      1662   7.0-2.0   (+5 -0 =4 )   80.0  +155
 - Cmcchess 2.5                       1660   4.5-2.5   (+3 -1 =3 )   82.3   +56
 - ALChess 1.5b                       1658   5.5-2.5   (+3 -0 =5 )   84.4   +82
 - Pooky 2.7                          1657   3.0-4.0   (+2 -3 =2 )   85.8   -74
 - DChess 1.0.2                       1651   4.5-4.5   (+4 -4 =1 )   91.6   -28
 - IQ23.003                           1644   5.5-4.5   (+4 -3 =3 )   95.9    -4
 - Vapor 0.01r12                      1643   4.0-5.0   (+2 -3 =4 )   96.2   -73
 - ChessRikus 1.466                   1636   5.5-2.5   (+5 -2 =1 )   98.0  +104
 - Storm 0.6                          1629   2.5-2.5   (+1 -1 =3 )   99.3   -43
 - Rainman 0.7.5                      1613   7.0-2.0   (+6 -1 =2 )   99.9  +145
 - Darky 0.5d                         1590   2.0-4.0   (+1 -3 =2 )  100.0  -208
 - Needle 0.531                       1581   5.0-2.0   (+3 -0 =4 )  100.0   +19
 - VanillaChess 2.6g                  1579   7.5-1.5   (+6 -0 =3 )  100.0  +122
 - SdBC 0.41.40                       1578   5.5-3.5   (+4 -2 =3 )  100.0   -33
 - Hokus-Pokus 0.6.3                  1551   3.5-6.5   (+2 -5 =3 )  100.0  -229
 - Yawce 0.16                         1517   6.5-3.5   (+5 -2 =3 )  100.0   -62
 - Piranha 0.5                        1502   6.0-2.0   (+5 -1 =2 )  100.0    +1
 - Alibaba 1.38                       1500   6.5-2.5   (+6 -2 =1 )  100.0    -1
 - Gedeone 1620                       1476   7.5-0.5   (+7 -0 =1 )  100.0  +209
 - Numpty DD                          1413   8.0-2.0   (+7 -1 =2 )  100.0   -38


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019