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 2.12a 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 2.12a has no rank with rating of 2325 Elo points (+35 -35),
based on 302 games: 109 wins, 127 losses and 66 draws
Score: 47.0%, Average opponent: +23.4, Draws: 21.9%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Pupsi2 0.08                       2471   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   -85
 - GreKo 8.0 32-bit                  2448   1.0-3.0   (+1 -3 =0 )    0.0  -102
 - nanoSzachy 3.8                    2436   4.5-3.5   (+4 -3 =1 )    0.0  +163
 - Delphil 2.6b                      2432   2.0-2.0   (+1 -1 =2 )    0.0  +107
 - GreKo 7.2 32-bit                  2431   1.5-2.5   (+1 -2 =1 )    0.0   +14
 - Glass 1.6                         2426   1.5-2.5   (+0 -1 =3 )    0.0   +41
 - Delphil 2.6a                      2415   1.0-3.0   (+1 -3 =0 )    0.0  -135
 - Eeyore 1.52 32-bit                2404   4.5-7.5   (+3 -6 =3 )    0.0    -5
 - Rodin 3.0                         2401   0.5-3.5   (+0 -3 =1 )    0.0  -212
 - Pawny 0.2 32-bit                  2399   5.5-2.5   (+4 -1 =3 )    0.1  +198
 - Horizon 4.4                       2385  11.0-21.0  (+8 -18=6 )    0.1   -60
 - Amateur 2.82                      2385  13.0-19.0  (+11-17=4 )    0.1   -12
 - Ares 1.004                        2371  11.0-7.0   (+10-6 =2 )    0.9  +133
 - OliThink 5.3.0 32-bit             2357   3.0-5.0   (+3 -5 =0 )    6.2   -83
 - Plisk 0.2.7d 32-bit               2349  18.0-22.0  (+13-17=10)   11.3   -12
 - Arion 1.7                         2337  14.5-17.5  (+9 -12=11)   27.6   -20
 - Cheese 1.3                        2306   1.5-2.5   (+1 -2 =1 )   83.2  -101
 - AliChess 4.25                     2288   5.0-5.0   (+4 -4 =2 )   96.2   -37
 - Butcher 1.60n1                    2283   2.5-1.5   (+1 -0 =3 )   97.7   +25
 - Absolute Zero 2.4.4.0 64-bit      2267   3.0-5.0   (+3 -5 =0 )   99.2  -169
 - Sungorus 1.4 32-bit               2259   3.0-1.0   (+3 -1 =0 )   99.9  +160
 - AliChess 4.21                     2256   3.0-1.0   (+2 -0 =2 )   99.9   +87
 - Waxman 2009                       2251   3.0-1.0   (+2 -0 =2 )  100.0   +75
 - RattateChess 1.0 Nosferatu        2249   1.5-2.5   (+1 -2 =1 )  100.0  -161
 - Exacto 0.e 64-bit                 2243   4.5-1.5   (+4 -1 =1 )  100.0  +107
 - Atak 6.8                          2240   3.5-0.5   (+3 -0 =1 )  100.0  +203
 - Feuerstein 0.4.6.1                2236   2.5-1.5   (+2 -1 =1 )  100.0    -3
 - Hussar 0.2                        2221   3.5-2.5   (+2 -1 =3 )  100.0   -58
 - Adam 3.3                          2212   7.5-2.5   (+7 -2 =1 )  100.0   +96
 - KMTChess 1.2.1 32-bit             2180   3.5-0.5   (+3 -0 =1 )  100.0  +143


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