CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Alex 2.07a in CCRL 40/4, 2019-06-15
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Alex 2.07a has no rank with rating of 2311 Elo points (+15 -15),
based on 1688 games: 763 wins, 586 losses and 339 draws
Score: 55.2%, Average opponent: −42.8, Draws: 20.1%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Philou 3.14.1                      2450   6.0-26.0  (+3 -23=6 )    0.0  -105
 - SpiderChess 070603                 2439  11.5-20.5  (+7 -16=9 )    0.0   +25
 - Atlas 3.14b 64-bit                 2436  14.0-18.0  (+11-15=6 )    0.0   +75
 - Nejmet 3.07                        2425  14.5-17.5  (+8 -11=13)    0.0   +85
 - Dragon 4.6                         2419   8.0-24.0  (+6 -22=4 )    0.0   -95
 - Hussar 0.4                         2418  10.0-21.0  (+8 -19=4 )    0.0   -34
 - Leila 0.53h                        2387  11.0-20.0  (+6 -15=10)    0.0   -22
 - Gosu 0.16                          2382  13.5-18.5  (+12-17=3 )    0.0    +7
 - Patzer 3.80                        2374  15.5-16.5  (+11-12=9 )    0.0   +51
 - Der Bringer 1.9                    2374  14.5-17.5  (+11-14=7 )    0.0   +31
 - Djinn 0.925x                       2373  14.0-18.0  (+11-15=6 )    0.0   +14
 - Muse 0.899b                        2371  12.5-19.5  (+10-17=5 )    0.0   -21
 - Dirty ACCA3                        2369  17.5-14.5  (+11-8 =13)    0.0   +89
 - Cheese 1.3                         2343  13.5-17.5  (+10-14=7 )    0.0   -18
 - Eeyore 1.50                        2343  13.0-19.0  (+10-16=6 )    0.1   -37
 - Horizon 4.4                        2341  13.0-19.0  (+11-17=4 )    0.0   -42
 - GreKo 6.5                          2338  12.0-19.0  (+9 -16=6 )    1.0   -54
 - Queen 4.03                         2337  16.5-15.5  (+10-9 =13)    0.1   +36
 - Arion 1.7                          2332  22.0-10.0  (+17-5 =10)    0.5  +149
 - Sage 3.53                          2325  13.0-19.0  (+11-17=4 )    4.4   -59
 - Sungorus 1.4 64-bit                2313  15.0-17.0  (+13-15=4 )   39.0   -19
 - TJchess 1.01                       2305  18.0-14.0  (+14-10=8 )   70.1   +36
 - Simplex 0.9.7 64-bit               2298  16.0-16.0  (+12-12=8 )   89.2   -14
 - KnightX 1.92                       2297  14.5-17.5  (+13-16=3 )   95.2   -52
 - Ares 1.003a                        2285  14.5-17.5  (+11-14=7 )   99.5   -60
 - Popochin 3.2                       2275  19.0-13.0  (+14-8 =10)  100.0   +27
 - Zeus 1.29                          2262  17.5-14.5  (+12-9 =11)  100.0   -17
 - Natwarlal 0.14                     2261  23.0-9.0   (+20-6 =6 )  100.0  +116
 - Myrddin 0.85 64-bit                2236  18.5-13.5  (+16-11=5 )  100.0   -16
 - Anechka 0.08                       2235  23.0-9.0   (+21-7 =4 )  100.0   +99
 - Waxman 2010                        2234  18.0-14.0  (+14-10=8 )  100.0   -33
 - EveAnn 1.66                        2232  20.5-11.5  (+17-8 =7 )  100.0   +23
 - OBender 3.2.x                      2224  23.0-9.0   (+20-6 =6 )  100.0   +79
 - EveAnn 1.64                        2222  16.5-14.5  (+14-12=5 )  100.0   -66
 - Hussar 0.2                         2221  17.5-13.5  (+13-9 =9 )  100.0   -47
 - Adam 3.3                           2220  26.5-5.5   (+25-4 =3 )  100.0  +195
 - EXchess 4.03                       2214  19.0-13.0  (+16-10=6 )  100.0   -25
 - Jazz 444 64-bit                    2211  22.0-9.0   (+19-6 =6 )  100.0   +58
 - Chispa 4.0.3                       2206  18.0-14.0  (+14-10=8 )  100.0   -59
 - CyberPagno 2.1                     2205  22.5-9.5   (+20-7 =5 )  100.0   +50
 - Beowulf 2.4a 32-bit                2203  21.0-11.0  (+19-9 =4 )  100.0   +19
 - Atak 6.8                           2184  13.0-19.0  (+11-17=4 )  100.0  -201
 - Genesis 2.0                        2170  17.5-14.5  (+16-13=3 )  100.0  -101
 - InmiChess3.06N                     2162  25.0-7.0   (+23-5 =4 )  100.0   +84
 - BlackBishop 1.0                    2156  20.5-11.5  (+17-8 =7 )  100.0   -51
 - Alarm 0.93.1                       2145  23.0-9.0   (+19-5 =8 )  100.0    -8
 - Lime 66                            2143  18.5-12.5  (+17-11=3 )  100.0   -90
 - Fortress 1.62                      2134  26.0-6.0   (+25-5 =2 )  100.0  +103
 - WJChess 1.64                       2131  22.5-9.5   (+20-7 =5 )  100.0   -20
 - Adam 3.2                           2124  21.5-10.5  (+17-6 =9 )  100.0   -64
 - Wing 2.0a                          2101  23.5-8.5   (+21-6 =5 )  100.0   -26
 - Matheus 2.3                        2059  25.5-6.5   (+22-3 =7 )  100.0   -29
 - Sjakk 1.1.5                        1974  27.0-5.0   (+25-3 =4 )  100.0   -44


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019