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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Alex 2.12a 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:
Alex 2.12a has no rank with rating of 2326 Elo points (+35 -35),
based on 302 games: 109 wins, 127 losses and 66 draws
Score: 47.0%, Average opponent: +22.7, Draws: 21.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pupsi2 0.08                        2472   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Gaviota 0.80 32-bit                2465   2.0-6.0   (+2 -6 =0 )    0.0   -86
 - GreKo 8.0 32-bit                   2448   1.0-3.0   (+1 -3 =0 )    0.0  -103
 - nanoSzachy 3.8                     2436   4.5-3.5   (+4 -3 =1 )    0.0  +162
 - Delphil 2.6b                       2432   2.0-2.0   (+1 -1 =2 )    0.0  +106
 - GreKo 7.2 32-bit                   2431   1.5-2.5   (+1 -2 =1 )    0.0   +13
 - Glass 1.6                          2426   1.5-2.5   (+0 -1 =3 )    0.0   +40
 - Delphil 2.6a                       2415   1.0-3.0   (+1 -3 =0 )    0.0  -136
 - Eeyore 1.52 32-bit                 2404   4.5-7.5   (+3 -6 =3 )    0.0    -6
 - Rodin 3.0                          2401   0.5-3.5   (+0 -3 =1 )    0.0  -213
 - Pawny 0.2 32-bit                   2399   5.5-2.5   (+4 -1 =3 )    0.1  +197
 - Amateur 2.82                       2385  13.0-19.0  (+11-17=4 )    0.1   -13
 - Horizon 4.4                        2385  11.0-21.0  (+8 -18=6 )    0.1   -61
 - Ares 1.004                         2371  11.0-7.0   (+10-6 =2 )    0.9  +132
 - OliThink 5.3.0 32-bit              2357   3.0-5.0   (+3 -5 =0 )    6.3   -84
 - Plisk 0.2.7d 32-bit                2350  18.0-22.0  (+13-17=10)   11.2   -12
 - Arion 1.7                          2338  14.5-17.5  (+9 -12=11)   25.7   -20
 - Cheese 1.3                         2306   1.5-2.5   (+1 -2 =1 )   83.4  -102
 - AliChess 4.25                      2288   5.0-5.0   (+4 -4 =2 )   96.3   -38
 - Butcher 1.60n1                     2283   2.5-1.5   (+1 -0 =3 )   97.8   +24
 - Absolute Zero 2.4.4.0 64-bit       2267   3.0-5.0   (+3 -5 =0 )   99.2  -170
 - Sungorus 1.4 32-bit                2258   3.0-1.0   (+3 -1 =0 )   99.9  +158
 - AliChess 4.21                      2256   3.0-1.0   (+2 -0 =2 )   99.9   +86
 - Waxman 2009                        2251   3.0-1.0   (+2 -0 =2 )  100.0   +74
 - Exacto 0.e 64-bit                  2248   4.5-1.5   (+4 -1 =1 )  100.0  +111
 - RattateChess 1.0 Nosferatu         2247   1.5-2.5   (+1 -2 =1 )  100.0  -164
 - Feuerstein 0.4.6.1                 2236   2.5-1.5   (+2 -1 =1 )  100.0    -4
 - Atak 6.8                           2235   3.5-0.5   (+3 -0 =1 )  100.0  +197
 - Hussar 0.2                         2222   3.5-2.5   (+2 -1 =3 )  100.0   -58
 - Adam 3.3                           2212   7.5-2.5   (+7 -2 =1 )  100.0   +95
 - KMTChess 1.2.1 32-bit              2181   3.5-0.5   (+3 -0 =1 )  100.0  +143


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