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 2.03 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 2.03 has no rank with rating of 2180 Elo points (+30 -30),
based on 384 games: 142 wins, 147 losses and 95 draws
Score: 49.3%, Average opponent: +4.3, Draws: 24.7%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Pawny 0.1.6                       2288   3.0-1.0   (+2 -0 =2 )    0.0  +250
 - Sungorus 1.3 32-bit               2251   1.5-10.5  (+1 -10=1 )    0.1  -269
 - RattateChess 1.0 Nosferatu        2249   1.0-3.0   (+0 -2 =2 )    0.0   -80
 - Feuerstein 0.4.6.1                2236   2.5-5.5   (+2 -5 =1 )    0.1   -93
 - Atak 6.7                          2229   6.0-6.0   (+4 -4 =4 )    1.1   +45
 - Uralochka 1.1b                    2218   1.5-2.5   (+1 -2 =1 )    2.0   -57
 - Gibbon 2.52a                      2214  12.5-26.5  (+8 -22=9 )    2.5   -91
 - ZCT 0.3.2451                      2207  14.5-16.5  (+12-14=5 )    9.2    +2
 - Neurosis 2.5                      2203  20.5-23.5  (+17-20=7 )    9.0    -3
 - BlackBishop 1.0                   2199  24.0-19.0  (+18-13=12)   14.6   +57
 - OBender 3.2.4.2                   2189  16.0-16.0  (+12-12=8 )   32.1   +11
 - Mediocre 0.34                     2183   5.0-7.0   (+4 -6 =2 )   43.6   -63
 - NagaSkaki 5.12                    2182   8.0-4.0   (+5 -1 =6 )   46.8   +94
 - KMTChess 1.2.1 32-bit             2180   6.5-5.5   (+4 -3 =5 )   49.4   +27
 - Simplex 0.9.3 32-bit              2166   2.5-1.5   (+1 -0 =3 )   72.5   +45
 - Pawny 0.13                        2160  19.5-12.5  (+15-8 =9 )   81.7   +58
 - Bearded 06_29                     2151  15.0-17.0  (+10-12=10)   91.5   -48
 - TJchess 0.121                     2130   5.5-2.5   (+5 -2 =1 )   99.7   +99
 - Bearded 06_29_02                  2128   6.0-2.0   (+5 -1 =2 )   99.6  +127
 - Adam 3.2                          2124   4.0-0.0   (+4 -0 =0 )   99.7  +INF
 - Clarabit 1.00 32-bit              2111   2.0-2.0   (+2 -2 =0 )  100.0   -69
 - FireFly 2.5.6 32-bit              2084   5.0-7.0   (+4 -6 =2 )  100.0  -155
 - BikJump 2.01 32-bit               2080   2.5-0.5   (+2 -0 =1 )  100.0  +143
 - Protej 0.5.7                      2053   2.0-2.0   (+1 -1 =2 )  100.0  -127
 - ZCT 0.3.2500                      2046   3.0-1.0   (+3 -1 =0 )  100.0   +91


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