CCRL 40/40
Downloads and Statistics
February 24, 2018
Testing summary:
Total: 798'040 games
played by 2'050 programs
110768 CPU days (X2 4600+)

White wins: 273'610 (34.3%)
Black wins: 202'540 (25.4%)
Draws: 321'890 (40.3%)
White score: 54.5%

Engine Details

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Critter 0.38 in CCRL 40/40, 2018-02-24
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 0.38 has no rank with rating of 2433 Elo points (+32 -32),
based on 320 games: 110 wins, 103 losses and 107 draws
Score: 51.1%, Average opponent: −9.2, Draws: 33.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - CuckooChess 1.10                   2530   3.5-6.5   (+1 -4 =5 )    0.0    +7
 - N2 0.1                             2488   9.0-7.0   (+4 -2 =10)    0.3   +93
 - Pepito 1.59 32-bit                 2480  16.5-11.5  (+11-6 =11)    0.9  +103
 - Rotor 0.4                          2479  16.5-11.5  (+12-7 =9 )    0.7  +111
 - Anatoli 0.35k                      2479  14.5-13.5  (+10-9 =9 )    0.6   +60
 - Matacz 1.3                         2475  11.0-15.0  (+7 -11=8 )    2.0    -9
 - Quark 2.35                         2467   8.0-20.0  (+6 -18=4 )    3.5  -137
 - Muse 0.899b                        2415  13.5-14.5  (+8 -9 =11)   81.7   -29
 - nanoSzachy 3.4                     2405  14.5-13.5  (+12-11=5 )   91.8   -19
 - Amateur 2.82                       2385  13.5-12.5  (+11-10=5 )   99.3   -34
 - Philou 2.8.0                       2366   9.5-10.5  (+5 -6 =9 )   99.8   -79
 - GreKo 6.5                          2362   8.0-8.0   (+5 -5 =6 )  100.0   -71
 - Amundsen 0.80                      2332   1.5-0.5   (+1 -0 =1 )  100.0   +55
 - Asterisk 0.6                       2330   6.0-4.0   (+3 -1 =6 )  100.0   -43
 - Averno 0.81                        2317   1.5-0.5   (+1 -0 =1 )  100.0   +40
 - Cheese 1.3                         2306   1.5-0.5   (+1 -0 =1 )  100.0   +15
 - Natwarlal 0.14                     2302   1.5-0.5   (+1 -0 =1 )  100.0   +25
 - Ant 2006-F                         2299   1.0-1.0   (+0 -0 =2 )  100.0  -134
 - Anechka 0.08                       2296   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Popochin 3.2                       2293   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Rodin 2.1h                         2282   1.5-0.5   (+1 -0 =1 )  100.0    +5
 - Glass 1.2                          2280   1.0-1.0   (+1 -1 =0 )  100.0  -153
 - Feuerstein 0.4.6.1                 2236   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Gibbon 2.52a                       2214   1.5-0.5   (+1 -0 =1 )  100.0   -62
 - ChessAlex 2.0r4                    2206   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Atlas 2.20                         2206   1.0-1.0   (+1 -1 =0 )  100.0  -227
 - OliThink 5.1.9                     2154   1.5-0.5   (+1 -0 =1 )  100.0  -122


Created in 2005-2013 by CCRL team
Last games added on February 24, 2018