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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Eeyore 1.50 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:
Eeyore 1.50 has no rank with rating of 2341 Elo points (+26 -26),
based on 512 games: 204 wins, 182 losses and 126 draws
Score: 52.1%, Average opponent: −15.8, Draws: 24.6%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - GreKo 7.2 64-bit                  2457   4.5-19.5  (+1 -16=7 )    0.0  -108
 - Zurichess Fribourg 64-bit         2440   3.0-7.0   (+2 -6 =2 )    0.0   -54
 - nanoSzachy 3.8                    2436   2.0-2.0   (+1 -1 =2 )    0.0   +95
 - Rodin 3.0                         2401  12.0-12.0  (+9 -9 =6 )    0.0   +62
 - Amy 0.87b                         2394   1.0-3.0   (+1 -3 =0 )    0.2  -173
 - Phalanx XXII                      2392  10.0-14.0  (+8 -12=4 )    0.2   -12
 - Waxman 2014                       2387   5.5-2.5   (+5 -2 =1 )    0.4  +195
 - Comet B68                         2386   1.0-3.0   (+1 -3 =0 )    0.5  -190
 - Amateur 2.82                      2385   1.5-2.5   (+1 -2 =1 )    0.5   -48
 - Waxman 2016                       2375   3.5-4.5   (+2 -3 =3 )    3.2    -2
 - Ares 1.004                        2371   1.5-2.5   (+1 -2 =1 )    2.8   -52
 - RedQueen 0.7 64-bit               2363  13.5-10.5  (+10-7 =7 )   15.6   +63
 - Phalanx XXIII                     2361   4.5-5.5   (+4 -5 =1 )   16.6   -24
 - OliThink 5.3.0 32-bit             2357   1.5-2.5   (+0 -1 =3 )   17.7   -51
 - pikoSzachy 3.3                    2355  15.5-8.5   (+14-7 =3 )   25.6  +131
 - Donna 1.0 64-bit                  2352   2.5-1.5   (+2 -1 =1 )   29.2  +102
 - Plisk 0.2.6 32-bit                2351   4.0-4.0   (+3 -3 =2 )   31.7    +4
 - Ghost 2.0.1                       2341   4.5-3.5   (+3 -2 =3 )   49.7   +37
 - Arion 1.7                         2337  15.5-12.5  (+12-9 =7 )   59.4   +33
 - Aice 0.99.2                       2335  13.5-10.5  (+11-8 =5 )   64.1   +38
 - Averno 0.81                       2319   1.0-3.0   (+0 -2 =2 )   89.1  -171
 - Chezzz 1.0.3                      2310   3.0-1.0   (+3 -1 =0 )   96.3  +204
 - KnightX 1.92                      2310  10.0-18.0  (+5 -13=10)   96.7  -124
 - Waxman 2010                       2307  13.0-11.0  (+10-8 =6 )   97.5     0
 - Cheese 1.3                        2306  15.0-13.0  (+11-9 =8 )   98.5   -12
 - Ant 2006-F                        2299  13.0-11.0  (+12-10=2 )   99.1    -7
 - Alex 2.09                         2299  14.5-9.5   (+12-7 =5 )   98.2   +33
 - Butcher 1.60n1                    2283   3.5-0.5   (+3 -0 =1 )   99.9  +224
 - Chispa 4.0.3                      2269  13.5-10.5  (+9 -6 =9 )  100.0   -32
 - Sungorus 1.4 32-bit               2259   1.5-2.5   (+1 -2 =1 )  100.0  -177
 - AliChess 4.21                     2256  18.0-10.0  (+14-6 =8 )  100.0   +17
 - Waxman 2009                       2251  16.5-11.5  (+12-7 =9 )  100.0   -29
 - RattateChess 1.0 Nosferatu        2249   2.0-2.0   (+1 -1 =2 )  100.0   -81
 - Beowulf 2.4a 32-bit               2215   2.5-1.5   (+2 -1 =1 )  100.0   -30
 - Neurosis 2.5                      2203   1.0-3.0   (+1 -3 =0 )  100.0  -373
 - EXchess 5.04b 64-bit              2186  18.5-5.5   (+17-4 =3 )  100.0   +66


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