CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Myrddin 0.85 64-bit in CCRL 40/40, 2017-11-18
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Myrddin 0.85 64-bit has no rank with rating of 2218 Elo points (+27 -26),
based on 518 games: 212 wins, 191 losses and 115 draws
Score: 52.0%, Average opponent: −15.2, Draws: 22.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Maverick 0.51 64-bit              2335   3.5-6.5   (+2 -5 =3 )    0.0   +16
 - Sjakk 1.1.9                       2325   2.0-2.0   (+2 -2 =0 )    0.0  +107
 - Bagatur 1.3a 64-bit               2323   0.5-1.5   (+0 -1 =1 )    0.0   -52
 - ECE 12.01                         2317   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - AliChess 4.25                     2288   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Chaturanga 2.4.3                  2285  13.5-10.5  (+10-7 =7 )    0.0  +112
 - Rhetoric Lite                     2277   0.5-1.5   (+0 -1 =1 )    0.5   -97
 - Gibbon 2.57a 64-bit               2272   1.0-1.0   (+0 -0 =2 )    0.2   +54
 - Fischerle 0.9.60 64-bit           2263   2.5-5.5   (+2 -5 =1 )    1.5  -102
 - AliChess 4.21                     2256  10.0-14.0  (+7 -11=6 )    1.8   -23
 - Beowulf 2.4a 64-bit               2250  12.5-13.5  (+11-12=3 )    2.8   +15
 - Jazz 501 64-bit                   2249  14.5-15.5  (+11-12=7 )    7.1   +18
 - Atak 6.8                          2240  16.5-11.5  (+13-8 =7 )    9.9   +84
 - Dolphin 1.0                       2232   2.5-3.5   (+2 -3 =1 )   21.1   -53
 - KMTChess 1.2.1 64-bit             2228  11.0-13.0  (+10-12=2 )   30.7   -20
 - Vajolet 1.62.1                    2219   0.5-1.5   (+0 -1 =1 )   49.7  -141
 - FireFly 2.5.12 64-bit             2216  13.5-10.5  (+10-7 =7 )   53.9   +41
 - Gibbon 2.52a                      2214  14.0-10.0  (+11-7 =6 )   61.2   +54
 - DoubleCheck 2.3.1 64-bit          2213  17.5-22.5  (+13-18=9 )   59.9   -48
 - Adam 3.3                          2212   3.5-8.5   (+2 -7 =3 )   65.0  -157
 - ChessKISS 1.7 64-bit              2210   6.0-4.0   (+3 -1 =6 )   69.4   +47
 - ChessKISS 1.7c 64-bit             2209   5.0-5.0   (+4 -4 =2 )   70.2   -14
 - FireFly 2.5.13 64-bit             2206   8.0-4.0   (+7 -3 =2 )   71.0  +116
 - Neurosis 2.5                      2203  15.5-8.5   (+13-6 =5 )   82.4   +91
 - Quazar 0.2 64-bit                 2191  11.0-13.0  (+9 -11=4 )   89.5   -56
 - ProChess 1.02AD                   2190   1.0-1.0   (+1 -1 =0 )   94.8   -28
 - OBender 3.2.4.2                   2189   8.5-15.5  (+8 -15=1 )   96.1  -155
 - Shallow 1.0 64-bit                2188   5.0-7.0   (+3 -5 =4 )   92.9   -89
 - Kurt 0.9.2.2 64-bit               2170  24.0-10.0  (+21-7 =6 )   99.7  +108
 - KnockOut 0.7.1                    2146  15.0-9.0   (+12-6 =6 )  100.0   +17
 - Carballo 0.5                      2096   1.0-1.0   (+0 -0 =2 )  100.0  -122
 - Rhetoric 0.10.d                   2061   4.0-6.0   (+3 -5 =2 )  100.0  -231
 - Bubble 1.5                        2023   6.5-1.5   (+6 -1 =1 )  100.0   +61
 - AdroitChess 0.3                   1996   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Cupcake 1.0                       1989   4.5-1.5   (+3 -0 =3 )  100.0   -77
 - Dabbaba 6.52                      1971   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - BSC 3.9++ 32-bit                  1966   1.0-1.0   (+0 -0 =2 )  100.0  -252
 - Dabbaba 5.67                      1963   1.5-0.5   (+1 -0 =1 )  100.0   -98
 - Soldat III 0.172 32-bit           1957   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Jabba 13032012                    1909   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Ziggurat 0.18 64-bit              1796   0.5-1.5   (+0 -1 =1 )  100.0  -578


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