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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Alex 2.09 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:
Alex 2.09 has no rank with rating of 2299 Elo points (+30 -30),
based on 400 games: 161 wins, 148 losses and 91 draws
Score: 51.6%, Average opponent: −12.6, Draws: 22.8%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - NirvanaChess 1.1 64-bit           2547   0.0-3.0   (+0 -3 =0 )    0.0  -INF
 - Cheese 1.4 32-bit                 2446   2.0-6.0   (+2 -6 =0 )    0.0   -86
 - Sjakk 2.0 64-bit                  2400   1.0-2.0   (+0 -1 =2 )    0.0   +18
 - Jazz 721 64-bit                   2384   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - Dorky 4.3 32-bit                  2384   0.0-6.0   (+0 -6 =0 )    0.0  -INF
 - RomiChess P3L 32-bit              2380   6.5-1.5   (+5 -0 =3 )    0.0  +290
 - TJchess 1.1 64-bit                2362   1.0-2.0   (+1 -2 =0 )    0.0   -93
 - Plisk 0.2.6 32-bit                2351   1.0-0.0   (+1 -0 =0 )    1.2  +INF
 - GreKo 5.9                         2346   0.0-2.0   (+0 -2 =0 )    0.8  -INF
 - Eeyore 1.50                       2341   9.5-14.5  (+7 -12=5 )    1.8   -33
 - Ifrit m1.6 32-bit                 2339   6.0-4.0   (+4 -2 =4 )    3.9   +98
 - Aice 0.99.2                       2335  12.5-11.5  (+8 -7 =9 )    2.4   +52
 - Butcher 1.61 64-bit               2329   1.5-0.5   (+1 -0 =1 )    8.8  +186
 - EveAnn 1.71                       2324   3.0-9.0   (+2 -8 =2 )   12.6  -166
 - Plisk 0.2.6 64-bit                2322   0.0-2.0   (+0 -2 =0 )   15.5  -INF
 - Averno 0.81                       2319   9.0-15.0  (+7 -13=4 )   13.5   -78
 - Sungorus 1.4 64-bit               2315  10.5-13.5  (+7 -10=7 )   22.5   -23
 - Chezzz 1.0.3                      2310  15.5-8.5   (+14-7 =3 )   28.1  +127
 - Cheese 1.3b 32-bit                2308   5.5-4.5   (+4 -3 =3 )   34.3   +44
 - Capivara LK 0.09a01a 64-bit       2305   1.0-1.0   (+1 -1 =0 )   37.1   -24
 - Waxman 2011                       2303   1.0-1.0   (+1 -1 =0 )   41.6    +4
 - Ant 2006-F                        2299  13.5-10.5  (+10-7 =7 )   49.7   +47
 - Zeus 1.29                         2296   3.0-0.0   (+3 -0 =0 )   55.2  +INF
 - Pawny 0.1.6                       2288   0.0-3.0   (+0 -3 =0 )   67.7  -INF
 - Glass 1.2                         2280   1.5-0.5   (+1 -0 =1 )   81.3   +99
 - Rhetoric Lite                     2277   0.5-1.5   (+0 -1 =1 )   82.1  -200
 - EveAnn 1.66                       2276   3.5-2.5   (+3 -2 =1 )   83.5   +36
 - Chispa 4.0.3                      2269  13.0-11.0  (+9 -7 =8 )   94.9    -2
 - AliChess 4.21                     2256  13.0-11.0  (+9 -7 =8 )   98.7   -16
 - Waxman 2009                       2251  14.5-9.5   (+11-6 =7 )   99.6   +22
 - Feuerstein 0.4.6.1                2236   2.5-1.5   (+2 -1 =1 )  100.0   +22
 - Atak 6.7                          2229   0.5-3.5   (+0 -3 =1 )   99.9  -351
 - KMTChess 1.2.1 64-bit             2228  15.0-9.0   (+12-6 =6 )  100.0   +17
 - Gibbon 2.52a                      2214   3.5-0.5   (+3 -0 =1 )  100.0  +197
 - BlackBishop 1.0                   2199   2.5-1.5   (+2 -1 =1 )  100.0   -17
 - EXchess 5.04b 64-bit              2186  16.0-8.0   (+15-7 =2 )  100.0   +24
 - Mediocre 0.34                     2183   2.5-1.5   (+2 -1 =1 )  100.0   -33
 - KMTChess 1.2.1 32-bit             2180   1.5-2.5   (+1 -2 =1 )  100.0  -201
 - RedQueen 0.6                      2173   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Simplex 0.9.3 32-bit              2166   1.5-2.5   (+1 -2 =1 )  100.0  -228
 - KnockOut 0.7.1                    2146   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Bearded 06_29_02                  2128   2.0-2.0   (+2 -2 =0 )  100.0  -171
 - Adam 3.2                          2124   2.0-2.0   (+2 -2 =0 )  100.0  -175


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