CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Alex 2.09 in CCRL 40/15, 2024-11-16
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2024, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Alex 2.09 has no rank with rating of 2260 Elo points (+26 -26),
based on 400 games: 161 wins, 148 losses and 91 draws
Score: 51.6%, Average opponent: −14.6, Draws: 22.8%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - NirvanaChess 1.1 64-bit                 2531   0.0-3.0   (+0 -3 =0 )    0.0  -INF
 - Cheese 1.4 32-bit                       2418   2.0-6.0   (+2 -6 =0 )    0.0   -92
 - Sjakk 2.0 64-bit                        2371   1.0-2.0   (+0 -1 =2 )    0.0   +16
 - Dorky 4.3 32-bit                        2353   0.0-6.0   (+0 -6 =0 )    0.0  -INF
 - RomiChess P3L 32-bit                    2348   6.5-1.5   (+5 -0 =3 )    0.0  +310
 - Jazz 721 64-bit                         2343   0.0-2.0   (+0 -2 =0 )    0.0  -INF
 - TJchess 1.1 64-bit                      2335   1.0-2.0   (+1 -2 =0 )    0.0   -95
 - Plisk 0.2.6 32-bit                      2315   1.0-0.0   (+1 -0 =0 )    0.2  +INF
 - GreKo 5.9                               2308   0.0-2.0   (+0 -2 =0 )    0.2  -INF
 - Ifrit m1.6 32-bit                       2307   6.0-4.0   (+4 -2 =4 )    0.7  +115
 - Eeyore 1.50                             2300   9.5-14.5  (+7 -12=5 )    0.7   -47
 - Aice 0.99.2                             2299  12.5-11.5  (+8 -7 =9 )    0.4   +58
 - EveAnn 1.71                             2298   3.0-9.0   (+2 -8 =2 )    1.8  -169
 - Butcher 1.61 64-bit                     2295   1.5-0.5   (+1 -0 =1 )    3.1  +205
 - Plisk 0.2.6 64-bit                      2290   0.0-2.0   (+0 -2 =0 )    5.7  -INF
 - Chezzz 1.0.3                            2284  15.5-8.5   (+14-7 =3 )    5.5  +157
 - Cheese 1.3b 32-bit                      2281   5.5-4.5   (+4 -3 =3 )   13.7   +62
 - Averno 0.81                             2269   9.0-15.0  (+7 -13=4 )   28.0  -107
 - Sungorus 1.4 64-bit                     2267  10.5-13.5  (+7 -10=7 )   30.8   -39
 - Capivara LK 0.09a01a 64-bit             2266   1.0-1.0   (+1 -1 =0 )   35.7   -28
 - Waxman 2011                             2263   1.0-1.0   (+1 -1 =0 )   41.9    +3
 - Zeus 1.29                               2262   3.0-0.0   (+3 -0 =0 )   45.5  +INF
 - Ant 2006-F                              2259  13.5-10.5  (+10-7 =7 )   52.2   +54
 - Pawny 0.1.6                             2253   0.0-3.0   (+0 -3 =0 )   63.4  -INF
 - Glass 1.2                               2242   1.5-0.5   (+1 -0 =1 )   83.8  +112
 - Rhetoric Lite                           2241   0.5-1.5   (+0 -1 =1 )   82.6  -218
 - Chispa 4.0.3                            2228  13.0-11.0  (+9 -7 =8 )   98.3    +1
 - EveAnn 1.66                             2221   3.5-2.5   (+3 -2 =1 )   97.6   +31
 - AliChess 4.21                           2213  13.0-11.0  (+9 -7 =8 )   99.8   -15
 - Waxman 2009                             2206  14.5-9.5   (+11-6 =7 )  100.0   +27
 - Feuerstein 0.4.6.1                      2190   2.5-1.5   (+2 -1 =1 )  100.0   +34
 - KMTChess 1.2.1 64-bit                   2182  15.0-9.0   (+12-6 =6 )  100.0   +23
 - Atak 6.7                                2181   0.5-3.5   (+0 -3 =1 )  100.0  -367
 - Gibbon 2.52a                            2167   3.5-0.5   (+3 -0 =1 )  100.0  +196
 - BlackBishop 1.0                         2150   2.5-1.5   (+2 -1 =1 )  100.0   -15
 - EXchess 5.04b 64-bit                    2134  16.0-8.0   (+15-7 =2 )  100.0   +29
 - Mediocre 0.34                           2134   2.5-1.5   (+2 -1 =1 )  100.0   -32
 - KMTChess 1.2.1 32-bit                   2129   1.5-2.5   (+1 -2 =1 )  100.0  -225
 - RedQueen 0.6                            2121   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Simplex 0.9.3 32-bit                    2108   1.5-2.5   (+1 -2 =1 )  100.0  -263
 - KnockOut 0.7.1                          2095   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Adam 3.2                                2076   2.0-2.0   (+2 -2 =0 )  100.0  -184
 - Bearded 06_29_02                        2071   2.0-2.0   (+2 -2 =0 )  100.0  -189

Created in 2005-2013 by CCRL team
Last games added on November 16, 2024