CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Alex 2.12a in CCRL 40/40, 2019-09-21
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 2.12a has no rank with rating of 2330 Elo points (+34 -34),
based on 310 games: 114 wins, 128 losses and 68 draws
Score: 47.7%, Average opponent: +17.5, Draws: 21.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pupsi2 0.08                        2473   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Gaviota 0.80 32-bit                2467   2.0-6.0   (+2 -6 =0 )    0.0   -88
 - GreKo 8.0 32-bit                   2449   1.0-3.0   (+1 -3 =0 )    0.0  -106
 - nanoSzachy 3.8                     2438   4.5-3.5   (+4 -3 =1 )    0.0  +160
 - Delphil 2.6b                       2435   2.0-2.0   (+1 -1 =2 )    0.0  +105
 - Glass 1.6                          2428   1.5-2.5   (+0 -1 =3 )    0.0   +38
 - GreKo 7.2 32-bit                   2428   1.5-2.5   (+1 -2 =1 )    0.0    +6
 - Delphil 2.6a                       2415   1.0-3.0   (+1 -3 =0 )    0.0  -140
 - Eeyore 1.52 32-bit                 2405   4.5-7.5   (+3 -6 =3 )    0.0    -9
 - Rodin 3.0                          2403   0.5-3.5   (+0 -3 =1 )    0.0  -215
 - Pawny 0.2 32-bit                   2400   5.5-2.5   (+4 -1 =3 )    0.1  +194
 - Amateur 2.82                       2391  13.0-19.0  (+11-17=4 )    0.1   -11
 - Horizon 4.4                        2385  11.0-21.0  (+8 -18=6 )    0.2   -65
 - Ares 1.004                         2373  11.0-7.0   (+10-6 =2 )    1.2  +130
 - OliThink 5.3.0 32-bit              2358   3.0-5.0   (+3 -5 =0 )    8.1   -87
 - Plisk 0.2.7d 32-bit                2350  18.0-22.0  (+13-17=10)   15.5   -16
 - Arion 1.7                          2342  14.5-17.5  (+9 -12=11)   26.0   -20
 - Cheese 1.3                         2308   1.5-2.5   (+1 -2 =1 )   86.4  -104
 - Butcher 1.60n1                     2284   2.5-1.5   (+1 -0 =3 )   98.4   +21
 - AliChess 4.25                      2284   5.0-5.0   (+4 -4 =2 )   98.9   -46
 - Absolute Zero 2.4.4.0 64-bit       2269   3.0-5.0   (+3 -5 =0 )   99.4  -172
 - Sungorus 1.4 32-bit                2259   3.0-1.0   (+3 -1 =0 )  100.0  +155
 - AliChess 4.21                      2258   3.0-1.0   (+2 -0 =2 )  100.0   +84
 - Waxman 2009                        2253   3.0-1.0   (+2 -0 =2 )  100.0   +72
 - Exacto 0.e 64-bit                  2251   4.5-1.5   (+4 -1 =1 )  100.0  +110
 - RattateChess 1.0 Nosferatu         2251   1.5-2.5   (+1 -2 =1 )  100.0  -164
 - SpaceDog 0.97.7 64-bit             2243   6.0-2.0   (+5 -1 =2 )  100.0   +99
 - Feuerstein 0.4.6.1                 2238   2.5-1.5   (+2 -1 =1 )  100.0    -6
 - Atak 6.8                           2236   3.5-0.5   (+3 -0 =1 )  100.0  +194
 - Hussar 0.2                         2224   3.5-2.5   (+2 -1 =3 )  100.0   -60
 - Adam 3.3                           2210   7.5-2.5   (+7 -2 =1 )  100.0   +89
 - KMTChess 1.2.1 32-bit              2182   3.5-0.5   (+3 -0 =1 )  100.0  +140


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019