CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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Myrddin 0.85 64-bit in CCRL 40/4, 2018-04-21
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:
Myrddin 0.85 64-bit has no rank with rating of 2234 Elo points (+16 -16),
based on 1522 games: 602 wins, 577 losses and 343 draws
Score: 50.8%, Average opponent: −7.6, Draws: 22.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Hussar 0.4                         2417  10.0-21.0  (+6 -17=8 )    0.0   +54
 - Terra 3.4                          2365  11.5-20.5  (+9 -18=5 )    0.0   +24
 - TJchess 1.1 64-bit                 2336  12.5-19.5  (+10-17=5 )    0.0   +16
 - Arion 1.7                          2332   9.0-23.0  (+4 -18=10)    0.0   -50
 - Ares 1.004                         2330   7.0-24.0  (+3 -20=8 )    0.0  -105
 - Sage 3.53                          2323  12.5-19.5  (+9 -16=7 )    0.0    +6
 - Chezzz 1.0.3                       2322  14.0-18.0  (+11-15=6 )    0.0   +43
 - Sungorus 1.4 64-bit                2309  10.0-22.0  (+7 -19=6 )    0.0   -68
 - Alex 2.07a                         2308  13.5-18.5  (+11-16=5 )    0.0   +15
 - KnightX 1.92                       2295  17.5-14.5  (+11-8 =13)    0.0   +87
 - Simplex 0.9.7 64-bit               2295  16.5-15.5  (+14-13=5 )    0.0   +75
 - Gibbon 2.57a 64-bit                2284  18.0-14.0  (+14-10=8 )    0.0   +97
 - Ares 1.003a                        2283  15.0-17.0  (+10-12=10)    0.0   +26
 - Popochin 3.2                       2273  11.0-21.0  (+5 -15=12)    0.0   -62
 - Sjakk 1.1.9                        2271  11.5-20.5  (+7 -16=9 )    0.0   -63
 - Esc 1.16                           2264  10.0-22.0  (+8 -20=4 )    0.0  -121
 - Mediocre 0.5                       2259  10.5-21.5  (+6 -17=9 )    0.9   -94
 - Capivara LK 0.08a11 64-bit         2249  14.5-17.5  (+13-16=3 )    6.3   -22
 - Ant 2006-F                         2235  14.0-18.0  (+12-16=4 )   41.5   -49
 - Anechka 0.08                       2233  16.0-16.0  (+10-10=12)   50.8     0
 - AliChess 4.25                      2232  15.5-16.5  (+12-13=7 )   55.4   -10
 - Waxman 2010                        2232  16.0-15.0  (+14-13=4 )   55.5   +13
 - EveAnn 1.66                        2229  16.5-15.5  (+14-13=5 )   64.3    +4
 - Adam 3.3                           2223  18.0-14.0  (+15-11=6 )   86.6   +35
 - Jazz 501 64-bit                    2222  14.5-12.5  (+12-10=5 )   85.6   +15
 - OBender 3.2.x                      2221  16.5-15.5  (+13-12=7 )   89.3     0
 - EXchess 4.03                       2211  15.5-16.5  (+8 -9 =15)   97.9   -29
 - Jazz 444 64-bit                    2208  19.0-12.0  (+14-7 =10)   98.8   +51
 - CyberPagno 2.1                     2202  17.5-14.5  (+15-12=5 )  100.0    +4
 - Waxman 2011                        2202  11.5-19.5  (+6 -14=11)   99.7  -111
 - Sjakk 1.1.8                        2202  17.0-13.0  (+13-9 =8 )   99.6   +14
 - Chispa 4.0.3                       2200  17.5-14.5  (+12-9 =11)  100.0    -3
 - Beowulf 2.4a 32-bit                2196  19.0-13.0  (+18-12=2 )  100.0   +40
 - Mediocre 0.4                       2192  19.5-12.5  (+16-9 =7 )  100.0   +38
 - Shallow 1.0 64-bit                 2189  16.5-15.5  (+13-12=7 )  100.0   -31
 - Atak 6.8                           2179  15.0-17.0  (+11-13=8 )  100.0   -78
 - Genesis 2.0                        2169  20.0-12.0  (+16-8 =8 )  100.0   +23
 - InmiChess3.06N                     2158  20.0-12.0  (+14-6 =12)  100.0    +7
 - BlackBishop 1.0                    2153  23.0-9.0   (+19-5 =8 )  100.0   +80
 - Alarm 0.93.1                       2142  19.5-12.5  (+14-7 =11)  100.0   -19
 - Lime 66                            2141  19.5-11.5  (+19-11=1 )  100.0   +18
 - Fortress 1.62                      2131  15.5-15.5  (+12-12=7 )  100.0   -99
 - FireFly 2.5.8 64-bit               2129  20.0-12.0  (+18-10=4 )  100.0    -3
 - Nesik 0.7.0 alpha                  2128  26.5-5.5   (+24-3 =5 )  100.0  +163
 - WJChess 1.64                       2126  23.5-8.5   (+21-6 =5 )  100.0   +75
 - BikJump 2.01 64-bit                2098  23.5-8.5   (+22-7 =3 )  100.0   +56
 - Wing 2.0a                          2097  19.0-13.0  (+16-10=6 )  100.0   -67
 - Rhetoric 0.10.d                    2072  24.0-8.0   (+21-5 =6 )  100.0   +32


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018