CCRL 40/4
Downloads and Statistics
June 25, 2019
Testing summary:
Total: 2'055'166 games
played by 2'374 programs
27559 CPU days (X2 4600+)

White wins: 798'582 (38.9%)
Black wins: 646'405 (31.5%)
Draws: 610'179 (29.7%)
White score: 53.7%

Engine Details

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K2 0.35 in CCRL 40/4, 2019-06-25
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:
K2 0.35 has no rank with rating of 1973 Elo points (+34 -34),
based on 317 games: 110 wins, 142 losses and 65 draws
Score: 45.0%, Average opponent: +44.5, Draws: 20.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - N2 0.4 64-bit                      2591   0.5-9.5   (+0 -9 =1 )    0.0  +172
 - Matheus 2.3                        2059   3.5-6.5   (+2 -5 =3 )    0.0   -14
 - ChessMind 0.82                     2058   6.5-3.5   (+6 -3 =1 )    0.0  +203
 - King's Out 0.2.42                  2056   6.0-4.0   (+5 -3 =2 )    0.0  +151
 - MadChess 1.2 64-bit                2050   2.0-8.0   (+1 -7 =2 )    0.0  -158
 - RDChess 3.23                       2046   5.0-5.0   (+4 -4 =2 )    0.0   +73
 - Gerbil 0.2 64-bit                  2044   3.0-7.0   (+2 -6 =2 )    0.0   -78
 - Vice 1.0 64-bit                    2042   3.0-7.0   (+2 -6 =2 )    0.0   -77
 - Ax 0.8                             2041   5.5-4.5   (+3 -2 =5 )    0.0  +103
 - PLP 1661571                        2032   2.0-6.0   (+1 -5 =2 )    0.1  -123
 - ZCT 0.3.2500 64-bit                2024   5.0-5.0   (+5 -5 =0 )    0.5   +51
 - Zeta Dva 0210 64-bit               2023   2.5-7.5   (+1 -6 =3 )    0.5  -124
 - Bestia 0.90                        2022   4.5-5.5   (+2 -3 =5 )    0.3   +17
 - Cupcake 1.1a 64-bit                2016   4.0-6.0   (+3 -5 =2 )    2.2   -26
 - DelphiMAX 2.9                      2013   1.5-8.5   (+1 -8 =1 )    1.5  -267
 - Leonidas 83 64-bit                 2005   3.0-7.0   (+3 -7 =0 )    4.9  -150
 - Requiem 0.53                       2005   5.0-5.0   (+2 -2 =6 )    4.2   +28
 - Small Potato 0.6.1                 1993   3.5-6.5   (+3 -6 =1 )   13.8  -102
 - Gullydeckel 2.16pl1                1992   3.5-5.5   (+3 -5 =1 )   14.9   -64
 - FrankWalter 1.08                   1991   4.0-5.0   (+4 -5 =0 )   17.7   -33
 - BigLion 2.23x                      1989   4.5-5.5   (+4 -5 =1 )   18.9   -20
 - Elephant 1.06                      1989   4.5-5.5   (+3 -4 =3 )   18.9   -19
 - Armageddon 2.308                   1987   3.0-6.0   (+3 -6 =0 )   23.1  -133
 - Bubble 1.5                         1987   4.5-3.5   (+3 -2 =3 )   22.8   +56
 - Monik 2.2.3 64-bit                 1968   6.0-3.0   (+4 -1 =4 )   60.8   +98
 - Marvin 1.3.0                       1966   4.0-5.0   (+4 -5 =0 )   65.4   -59
 - Protej 0.5.7                       1965   6.5-1.5   (+6 -1 =1 )   65.9  +252
 - Mustang 4.97                       1958   4.5-5.5   (+4 -5 =1 )   79.9   -52
 - Cinnamon 1.1c 64-bit               1949   4.5-5.5   (+3 -4 =3 )   89.5   -56
 - Smash 1.0.3                        1925   7.0-3.0   (+5 -1 =4 )   99.6   +80
 - IACH 0.56z                         1917   5.5-4.5   (+4 -3 =3 )   99.9   -24
 - Eagle 0.7.5                        1914   6.0-2.0   (+6 -2 =0 )   99.9  +171
 - Warrior 1.0.3                      1907   8.5-1.5   (+8 -1 =1 )  100.0  +238


Created in 2005-2013 by CCRL team
Last games added on June 25, 2019