CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Engine Details

Options
Show each game results
BugChess2 1.4.1 in CCRL 40/40, 2019-10-19
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, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
BugChess2 1.4.1 has no rank with rating of 2358 Elo points (+33 -33),
based on 308 games: 110 wins, 99 losses and 99 draws
Score: 51.8%, Average opponent: −14.2, Draws: 32.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Crafty 21.6 32-bit                 2550   0.5-5.5   (+0 -5 =1 )    0.0  -162
 - Twisted Logic 20070915             2438   2.0-2.0   (+1 -1 =2 )    0.1   +80
 - Bearded N44.5 64-bit               2438   2.0-4.0   (+1 -3 =2 )    0.0   -30
 - Murka 2 32-bit                     2433   4.5-5.5   (+3 -4 =3 )    0.0   +38
 - Pupsi2 0.07                        2429   4.5-5.5   (+4 -5 =1 )    0.0   +27
 - Pupsi2 0.06                        2422   4.5-5.5   (+3 -4 =3 )    0.3   +23
 - Typhoon 1.00-314                   2411   7.0-13.0  (+5 -11=4 )    1.2   -53
 - Diablo 0.5.1                       2411   0.0-2.0   (+0 -2 =0 )    0.3  -INF
 - Queen 4.03                         2409   2.5-1.5   (+2 -1 =1 )    0.4  +146
 - Homer 2.0                          2406   3.0-3.0   (+1 -1 =4 )    3.2   +48
 - Cyrano 0.2f                        2402   5.0-3.0   (+4 -2 =2 )    2.8  +137
 - Delphil 1.8                        2399   1.0-3.0   (+0 -2 =2 )    2.9  -108
 - DanaSah 2.73                       2388   5.0-5.0   (+2 -2 =6 )    9.3   +30
 - Delphil 1.9f                       2386   2.5-3.5   (+1 -2 =3 )   11.6   -17
 - DoubleCheck 2.5.4 32-bit           2383   4.0-4.0   (+3 -3 =2 )   13.8   +31
 - RomiChess P3L 32-bit               2383   2.0-6.0   (+1 -5 =2 )   14.3  -153
 - Rotor 0.3                          2382   4.5-5.5   (+2 -3 =5 )   14.3    -6
 - Hamsters 0.2                       2382   0.0-2.0   (+0 -2 =0 )   14.9  -INF
 - GreKo 6.30                         2379   5.0-5.0   (+2 -2 =6 )   18.4   +21
 - Googleplex Starthinker 1.6 64-bit  2376   3.0-3.0   (+2 -2 =2 )   23.1   +18
 - Typhoon 1.00-285                   2373   1.0-3.0   (+1 -3 =0 )   26.0  -218
 - Isa 2.0.64 64-bit                  2361   3.0-1.0   (+2 -0 =2 )   42.3  +152
 - Alfil 6.10                         2359   2.5-1.5   (+2 -1 =1 )   48.0   +82
 - Arion 1.7                          2343   2.0-4.0   (+1 -3 =2 )   78.4  -125
 - Aice 0.99.2                        2338   1.5-0.5   (+1 -0 =1 )   84.9  +136
 - Bagatur 1.4c 64-bit                2337   6.5-3.5   (+4 -1 =5 )   81.1   +68
 - Horizon 4.3                        2331   4.5-8.5   (+4 -8 =1 )   88.5  -158
 - LittleThought 1.00 32-bit          2321   3.0-5.0   (+1 -3 =4 )   94.1  -111
 - KnightX 1.92                       2317   3.5-3.5   (+2 -2 =3 )   98.3   -47
 - Popochin 2.9                       2316   5.5-8.5   (+2 -5 =7 )   96.7  -100
 - Averno 0.81                        2313   0.5-1.5   (+0 -1 =1 )   99.0  -201
 - Sage 2.2a                          2311   3.5-4.5   (+3 -4 =1 )   97.5   -92
 - nanoSzachy 2.8                     2305   2.0-0.0   (+2 -0 =0 )   98.5  +INF
 - Cheese 1.1b                        2305   2.5-1.5   (+1 -0 =3 )   98.7    +6
 - Natwarlal 0.14                     2302   2.0-0.0   (+2 -0 =0 )   99.8  +INF
 - Anechka 0.08                       2300   1.5-0.5   (+1 -0 =1 )   99.9   +98
 - Zeus 1.29                          2299   4.0-2.0   (+3 -1 =2 )   99.9   +59
 - Natwarlal 0.12                     2293   1.0-0.0   (+1 -0 =0 )   99.7  +INF
 - Zeus 1.28                          2283   1.0-0.0   (+1 -0 =0 )   99.9  +INF
 - GreKo 5.2.5                        2277   4.5-1.5   (+4 -1 =1 )  100.0  +117
 - Chispa 4.0.3                       2273   3.0-1.0   (+3 -1 =0 )  100.0  +141
 - Tornado 1.0                        2271   0.5-1.5   (+0 -1 =1 )  100.0  -229
 - Ayito 0.2.994                      2265   3.5-0.5   (+3 -0 =1 )  100.0  +189
 - EXchess 5.01b 32-bit               2250   2.0-2.0   (+1 -1 =2 )  100.0  -108
 - Rotor 0.1a                         2245   3.5-0.5   (+3 -0 =1 )  100.0  +174
 - AliChess 4.06                      2234   1.5-0.5   (+1 -0 =1 )  100.0   +32
 - Deuterium 06.08.25.04              2230   5.5-0.5   (+5 -0 =1 )  100.0  +231
 - AliChess 4.08                      2195   3.5-0.5   (+3 -0 =1 )  100.0  +124
 - Hamsters 0.0.6                     2178   5.0-1.0   (+4 -0 =2 )  100.0   +50
 - Parrot 07.01.16                    2135   6.0-2.0   (+5 -1 =2 )  100.0   -43
 - Adam 3.1                           2109   7.5-0.5   (+7 -0 =1 )  100.0  +159


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019