CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Engine Details

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Alex 2.03 in CCRL 40/40, 2019-12-07
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Alex 2.03 has no rank with rating of 2184 Elo points (+30 -30),
based on 384 games: 142 wins, 147 losses and 95 draws
Score: 49.3%, Average opponent: +3.8, Draws: 24.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pawny 0.1.6                        2292   3.0-1.0   (+2 -0 =2 )    0.0  +250
 - Sungorus 1.3 32-bit                2254   1.5-10.5  (+1 -10=1 )    0.1  -270
 - RattateChess 1.0 Nosferatu         2251   1.0-3.0   (+0 -2 =2 )    0.0   -82
 - Atak 6.7                           2239   6.0-6.0   (+4 -4 =4 )    0.4   +51
 - Feuerstein 0.4.6.1                 2238   2.5-5.5   (+2 -5 =1 )    0.2   -95
 - Uralochka 1.1b                     2217   1.5-2.5   (+1 -2 =1 )    3.2   -62
 - Gibbon 2.52a                       2216  12.5-26.5  (+8 -22=9 )    3.0   -93
 - ZCT 0.3.2451                       2210  14.5-16.5  (+12-14=5 )   10.0    +1
 - Neurosis 2.5                       2206  20.5-23.5  (+17-20=7 )    9.7    -4
 - BlackBishop 1.0                    2201  24.0-19.0  (+18-13=12)   15.9   +55
 - OBender 3.2.4.2                    2191  16.0-16.0  (+12-12=8 )   34.0    +9
 - NagaSkaki 5.12                     2186   8.0-4.0   (+5 -1 =6 )   45.5   +94
 - Mediocre 0.34                      2186   5.0-7.0   (+4 -6 =2 )   44.6   -64
 - KMTChess 1.2.1 32-bit              2182   6.5-5.5   (+4 -3 =5 )   54.4   +25
 - Pawny 0.13                         2169  19.5-12.5  (+15-8 =9 )   75.0   +63
 - Simplex 0.9.3 32-bit               2163   2.5-1.5   (+1 -0 =3 )   81.2   +38
 - Bearded 06_29                      2156  15.0-17.0  (+10-12=10)   90.2   -47
 - TJchess 0.121                      2133   5.5-2.5   (+5 -2 =1 )   99.7   +98
 - Adam 3.2                           2131   4.0-0.0   (+4 -0 =0 )   99.6  +INF
 - Bearded 06_29_02                   2130   6.0-2.0   (+5 -1 =2 )   99.7  +125
 - Clarabit 1.00 32-bit               2115   2.0-2.0   (+2 -2 =0 )  100.0   -69
 - FireFly 2.5.6 32-bit               2087   5.0-7.0   (+4 -6 =2 )  100.0  -156
 - BikJump 2.01 32-bit                2084   2.5-0.5   (+2 -0 =1 )  100.0  +143
 - Protej 0.5.7                       2054   2.0-2.0   (+1 -1 =2 )  100.0  -130
 - ZCT 0.3.2500                       2048   3.0-1.0   (+3 -1 =0 )  100.0   +89


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019