CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Alex 2.09 in CCRL 40/40, 2019-07-11
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, 2005-2019, 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: −12.0, Draws: 22.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - NirvanaChess 1.1 64-bit            2549   0.0-3.0   (+0 -3 =0 )    0.0  -INF
 - Cheese 1.4 32-bit                  2439   2.0-6.0   (+2 -6 =0 )    0.0   -93
 - Sjakk 2.0 64-bit                   2402   1.0-2.0   (+0 -1 =2 )    0.0   +20
 - Jazz 721 64-bit                    2385   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               2381   6.5-1.5   (+5 -0 =3 )    0.0  +291
 - TJchess 1.1 64-bit                 2364   1.0-2.0   (+1 -2 =0 )    0.0   -91
 - Plisk 0.2.6 32-bit                 2348   1.0-0.0   (+1 -0 =0 )    1.6  +INF
 - GreKo 5.9                          2348   0.0-2.0   (+0 -2 =0 )    0.7  -INF
 - Ifrit m1.6 32-bit                  2344   6.0-4.0   (+4 -2 =4 )    2.4  +103
 - Eeyore 1.50                        2343   9.5-14.5  (+7 -12=5 )    1.5   -31
 - Aice 0.99.2                        2337  12.5-11.5  (+8 -7 =9 )    1.6   +54
 - Butcher 1.61 64-bit                2334   1.5-0.5   (+1 -0 =1 )    5.5  +191
 - Plisk 0.2.6 64-bit                 2328   0.0-2.0   (+0 -2 =0 )   10.1  -INF
 - EveAnn 1.71                        2326   3.0-9.0   (+2 -8 =2 )   11.0  -164
 - Chezzz 1.0.3                       2321  15.5-8.5   (+14-7 =3 )   11.3  +138
 - Averno 0.81                        2312   9.0-15.0  (+7 -13=4 )   24.4   -85
 - Cheese 1.3b 32-bit                 2311   5.5-4.5   (+4 -3 =3 )   29.9   +47
 - Capivara LK 0.09a01a 64-bit        2306   1.0-1.0   (+1 -1 =0 )   36.5   -23
 - Waxman 2011                        2303   1.0-1.0   (+1 -1 =0 )   42.5    +4
 - Ant 2006-F                         2302  13.5-10.5  (+10-7 =7 )   43.8   +50
 - Sungorus 1.4 64-bit                2298  10.5-13.5  (+7 -10=7 )   53.3   -40
 - Zeus 1.29                          2297   3.0-0.0   (+3 -0 =0 )   53.9  +INF
 - Pawny 0.1.6                        2291   0.0-3.0   (+0 -3 =0 )   63.5  -INF
 - Glass 1.2                          2282   1.5-0.5   (+1 -0 =1 )   79.2  +101
 - Rhetoric Lite                      2281   0.5-1.5   (+0 -1 =1 )   77.8  -196
 - Chispa 4.0.3                       2272  13.0-11.0  (+9 -7 =8 )   94.3     0
 - EveAnn 1.66                        2269   3.5-2.5   (+3 -2 =1 )   90.8   +29
 - AliChess 4.21                      2257  13.0-11.0  (+9 -7 =8 )   98.6   -15
 - Waxman 2009                        2252  14.5-9.5   (+11-6 =7 )   99.6   +23
 - Feuerstein 0.4.6.1                 2237   2.5-1.5   (+2 -1 =1 )  100.0   +23
 - Atak 6.7                           2235   0.5-3.5   (+0 -3 =1 )   99.9  -345
 - KMTChess 1.2.1 64-bit              2230  15.0-9.0   (+12-6 =6 )  100.0   +19
 - Gibbon 2.52a                       2215   3.5-0.5   (+3 -0 =1 )  100.0  +198
 - BlackBishop 1.0                    2200   2.5-1.5   (+2 -1 =1 )  100.0   -16
 - Mediocre 0.34                      2186   2.5-1.5   (+2 -1 =1 )  100.0   -30
 - EXchess 5.04b 64-bit               2186  16.0-8.0   (+15-7 =2 )  100.0   +24
 - KMTChess 1.2.1 32-bit              2181   1.5-2.5   (+1 -2 =1 )  100.0  -200
 - RedQueen 0.6                       2176   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                     2150   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Bearded 06_29_02                   2129   2.0-2.0   (+2 -2 =0 )  100.0  -170
 - Adam 3.2                           2128   2.0-2.0   (+2 -2 =0 )  100.0  -171


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019