CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Critter 0.38 in CCRL 40/40, 2019-09-14
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://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Critter 0.38 has no rank with rating of 2434 Elo points (+32 -32),
based on 320 games: 110 wins, 103 losses and 107 draws
Score: 51.1%, Average opponent: −8.5, Draws: 33.4%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - CuckooChess 1.10                  2531   3.5-6.5   (+1 -4 =5 )    0.0    +7
 - N2 0.1                            2490   9.0-7.0   (+4 -2 =10)    0.3   +94
 - Pepito 1.59 32-bit                2482  16.5-11.5  (+11-6 =11)    0.9  +104
 - Rotor 0.4                         2480  16.5-11.5  (+12-7 =9 )    0.7  +111
 - Matacz 1.3                        2477  11.0-15.0  (+7 -11=8 )    1.7    -8
 - Anatoli 0.35k                     2476  14.5-13.5  (+10-9 =9 )    1.2   +56
 - Quark 2.35                        2469   8.0-20.0  (+6 -18=4 )    3.2  -136
 - Muse 0.899b                       2417  13.5-14.5  (+8 -9 =11)   82.0   -28
 - nanoSzachy 3.4                    2408  14.5-13.5  (+12-11=5 )   91.2   -17
 - Amateur 2.82                      2391  13.5-12.5  (+11-10=5 )   98.8   -29
 - Philou 2.8.0                      2367   9.5-10.5  (+5 -6 =9 )   99.9   -79
 - GreKo 6.5                         2364   8.0-8.0   (+5 -5 =6 )  100.0   -70
 - Asterisk 0.6                      2331   6.0-4.0   (+3 -1 =6 )  100.0   -43
 - Amundsen 0.80                     2328   1.5-0.5   (+1 -0 =1 )  100.0   +50
 - Averno 0.81                       2313   1.5-0.5   (+1 -0 =1 )  100.0   +35
 - Cheese 1.3                        2308   1.5-0.5   (+1 -0 =1 )  100.0   +16
 - Ant 2006-F                        2303   1.0-1.0   (+0 -0 =2 )  100.0  -131
 - Natwarlal 0.14                    2302   1.5-0.5   (+1 -0 =1 )  100.0   +24
 - Anechka 0.08                      2300   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Popochin 3.2                      2296   0.0-2.0   (+0 -2 =0 )  100.0  -INF
 - Rodin 2.1h                        2284   1.5-0.5   (+1 -0 =1 )  100.0    +6
 - Glass 1.2                         2283   1.0-1.0   (+1 -1 =0 )  100.0  -151
 - Feuerstein 0.4.6.1                2238   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Gibbon 2.52a                      2216   1.5-0.5   (+1 -0 =1 )  100.0   -61
 - Atlas 2.20                        2208   1.0-1.0   (+1 -1 =0 )  100.0  -226
 - ChessAlex 2.0r4                   2205   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - OliThink 5.1.9                    2156   1.5-0.5   (+1 -0 =1 )  100.0  -121


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019