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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Critter 0.38 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:
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: −9.1, 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
 - Anatoli 0.35k                     2479  14.5-13.5  (+10-9 =9 )    0.6   +60
 - Rotor 0.4                         2478  16.5-11.5  (+12-7 =9 )    0.7  +110
 - Matacz 1.3                        2474  11.0-15.0  (+7 -11=8 )    2.3   -10
 - Quark 2.35                        2469   8.0-20.0  (+6 -18=4 )    2.7  -135
 - Muse 0.899b                       2415  13.5-14.5  (+8 -9 =11)   82.0   -29
 - nanoSzachy 3.4                    2405  14.5-13.5  (+12-11=5 )   92.1   -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                       2319   1.5-0.5   (+1 -0 =1 )  100.0   +42
 - Cheese 1.3                        2306   1.5-0.5   (+1 -0 =1 )  100.0   +15
 - Natwarlal 0.14                    2304   1.5-0.5   (+1 -0 =1 )  100.0   +27
 - Ant 2006-F                        2299   1.0-1.0   (+0 -0 =2 )  100.0  -134
 - Anechka 0.08                      2294   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                   2212   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Atlas 2.20                        2205   1.0-1.0   (+1 -1 =0 )  100.0  -228
 - 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 November 18, 2017