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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BugChess2 1.4.1 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:
BugChess2 1.4.1 has no rank with rating of 2352 Elo points (+34 -34),
based on 292 games: 105 wins, 94 losses and 93 draws
Score: 51.9%, Average opponent: −14.2, Draws: 31.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Crafty 21.6 32-bit                2548   0.5-5.5   (+0 -5 =1 )    0.0  -158
 - Twisted Logic 20070915            2435   2.0-2.0   (+1 -1 =2 )    0.0   +83
 - Murka 2 32-bit                    2431   4.5-5.5   (+3 -4 =3 )    0.0   +42
 - Pupsi2 0.07                       2427   4.5-5.5   (+4 -5 =1 )    0.0   +31
 - Pupsi2 0.06                       2417   4.5-5.5   (+3 -4 =3 )    0.4   +24
 - Queen 4.03                        2409   2.5-1.5   (+2 -1 =1 )    0.2  +152
 - Diablo 0.5.1                      2408   0.0-2.0   (+0 -2 =0 )    0.3  -INF
 - Homer 2.0                         2404   3.0-3.0   (+1 -1 =4 )    2.6   +52
 - Typhoon 1.00-314                  2404   7.0-13.0  (+5 -11=4 )    1.6   -54
 - Cyrano 0.2f                       2402   5.0-3.0   (+4 -2 =2 )    1.8  +143
 - Delphil 1.8                       2397   1.0-3.0   (+0 -2 =2 )    2.3  -104
 - DanaSah 2.73                      2387   5.0-5.0   (+2 -2 =6 )    7.1   +35
 - Delphil 1.9f                      2383   2.5-3.5   (+1 -2 =3 )   10.2   -14
 - DoubleCheck 2.5.4 32-bit          2381   4.0-4.0   (+3 -3 =2 )   11.5   +35
 - Rotor 0.3                         2380   4.5-5.5   (+2 -3 =5 )   12.1    -2
 - RomiChess P3L 32-bit              2380   2.0-6.0   (+1 -5 =2 )   12.7  -150
 - Hamsters 0.2                      2379   0.0-2.0   (+0 -2 =0 )   13.3  -INF
 - GreKo 6.30                        2376   5.0-5.0   (+2 -2 =6 )   16.0   +24
 - Typhoon 1.00-285                  2370   1.0-3.0   (+1 -3 =0 )   24.2  -215
 - Alfil 6.10                        2356   2.5-1.5   (+2 -1 =1 )   44.0   +85
 - Arion 1.7                         2337   2.0-4.0   (+1 -3 =2 )   78.0  -125
 - Aice 0.99.2                       2335   1.5-0.5   (+1 -0 =1 )   80.7  +139
 - Bagatur 1.4c 64-bit               2333   6.5-3.5   (+4 -1 =5 )   78.2   +70
 - Horizon 4.3                       2328   4.5-8.5   (+4 -8 =1 )   85.4  -155
 - LittleThought 1.00 32-bit         2322   3.0-5.0   (+1 -3 =4 )   89.7  -104
 - Averno 0.81                       2319   0.5-1.5   (+0 -1 =1 )   94.5  -189
 - Popochin 2.9                      2311   5.5-8.5   (+2 -5 =7 )   96.3   -99
 - KnightX 1.92                      2310   3.5-3.5   (+2 -2 =3 )   98.2   -48
 - Sage 2.2a                         2309   3.5-4.5   (+3 -4 =1 )   95.9   -88
 - nanoSzachy 2.8                    2304   2.0-0.0   (+2 -0 =0 )   97.4  +INF
 - Natwarlal 0.14                    2304   2.0-0.0   (+2 -0 =0 )   99.2  +INF
 - Cheese 1.1b                       2300   2.5-1.5   (+1 -0 =3 )   98.5    +7
 - Zeus 1.29                         2296   4.0-2.0   (+3 -1 =2 )   99.7   +62
 - Anechka 0.08                      2294   1.5-0.5   (+1 -0 =1 )   99.8   +98
 - Natwarlal 0.12                    2289   1.0-0.0   (+1 -0 =0 )   99.5  +INF
 - Zeus 1.28                         2280   1.0-0.0   (+1 -0 =0 )   99.9  +INF
 - GreKo 5.2.5                       2276   4.5-1.5   (+4 -1 =1 )   99.9  +122
 - Chispa 4.0.3                      2269   3.0-1.0   (+3 -1 =0 )  100.0  +143
 - Tornado 1.0                       2267   0.5-1.5   (+0 -1 =1 )  100.0  -227
 - Ayito 0.2.994                     2252   3.5-0.5   (+3 -0 =1 )  100.0  +181
 - EXchess 5.01b 32-bit              2246   2.0-2.0   (+1 -1 =2 )  100.0  -106
 - Rotor 0.1a                        2241   3.5-0.5   (+3 -0 =1 )  100.0  +176
 - AliChess 4.06                     2230   1.5-0.5   (+1 -0 =1 )  100.0   +34
 - Deuterium 06.08.25.04             2228   5.5-0.5   (+5 -0 =1 )  100.0  +235
 - AliChess 4.08                     2191   3.5-0.5   (+3 -0 =1 )  100.0  +126
 - Hamsters 0.0.6                    2175   5.0-1.0   (+4 -0 =2 )  100.0   +53
 - Parrot 07.01.16                   2133   6.0-2.0   (+5 -1 =2 )  100.0   -39
 - Adam 3.1                          2105   7.5-0.5   (+7 -0 =1 )  100.0  +161


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