CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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Amoeba 2.5 64-bit in CCRL 40/4, 2018-04-21
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Amoeba 2.5 64-bit has no rank with rating of 2863 Elo points (+19 -19),
based on 925 games: 285 wins, 291 losses and 349 draws
Score: 49.7%, Average opponent: +1.7, Draws: 37.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Crafty 25.2 64-bit                 2927  16.0-16.0  (+10-10=12)    0.0   +66
 - Spark 1.0 64-bit                   2925   9.0-23.0  (+3 -17=12)    0.0   -80
 - Spike 1.4 Leiden                   2921  14.5-17.5  (+8 -11=13)    0.0   +26
 - EXchess 7.97b 64-bit               2912  12.5-19.5  (+6 -13=13)    0.0   -18
 - Rodent III 0.172 64-bit            2906  17.5-14.5  (+12-9 =11)    0.0   +71
 - ChessBrainVB 3.50                  2905  13.5-18.5  (+8 -13=11)    0.0    -9
 - Quazar 0.4 64-bit                  2899  14.5-17.5  (+7 -10=15)    0.0    +9
 - Deep Junior Yokohama 64-bit        2898  14.0-17.0  (+6 -9 =16)    0.1    +6
 - Zurichess Neuchatel 64-bit         2892  13.5-15.5  (+7 -9 =13)    0.7   +10
 - Thinker 5.4d Inert 64-bit          2885  19.0-13.0  (+13-7 =12)    1.8   +84
 - Demolito 2017-06-18 64-bit         2884  13.5-18.5  (+9 -14=9 )    6.2   -32
 - Deuterium 14.3.34.130 64-bit       2883  13.5-18.5  (+7 -12=13)    3.2   -31
 - Murka 3 64-bit                     2882  11.5-20.5  (+7 -16=9 )    3.7   -78
 - Atlas 3.80 64-bit                  2874   9.5-22.5  (+5 -18=9 )   15.9  -131
 - Gaviota 1.0 64-bit                 2872  18.0-14.0  (+10-6 =16)   19.4   +45
 - MinkoChess 1.3 64-bit              2867  23.5-8.5   (+19-4 =9 )   38.3  +168
 - DisasterArea 1.65 64-bit           2864  11.5-20.5  (+2 -11=19)   47.5   -75
 - Dirty 30Apr2017 64-bit             2862  17.0-15.0  (+12-10=10)   53.6   +15
 - Nemo 1.0.1 64-bit                  2856  17.5-14.5  (+12-9 =11)   77.8   +21
 - Defenchess (SCTR) 1.0 64-bit       2844  14.0-18.0  (+7 -11=14)   93.8   -60
 - Onno 1.2.70 64-bit                 2844  19.5-12.5  (+14-7 =11)   97.1   +54
 - Zurichess Luzern 64-bit            2843  16.5-15.5  (+8 -7 =17)   95.0   -11
 - Deep Sjeng WC2008 64-bit           2842  17.5-14.5  (+14-11=7 )   98.0   +15
 - Zappa Mexico II 64-bit             2841  18.0-14.0  (+10-6 =16)   98.8   +18
 - Tornado 8.0 64-bit                 2832  17.5-14.5  (+14-11=7 )   99.7    +3
 - ChessBrainVB 3.20                  2804  14.5-16.5  (+8 -10=13)  100.0   -80
 - Rhetoric 1.4.3 64-bit              2803  20.5-11.5  (+16-7 =9 )  100.0   +35
 - Fruit 2.3.1                        2781  15.5-9.5   (+12-6 =7 )  100.0    +5
 - RuyDos 1.0.27 64-bit               2759   7.0-4.0   (+6 -3 =2 )  100.0    +9
 - chess22k 1.5 64-bit                2739  19.5-10.5  (+13-4 =13)  100.0   -28


Created in 2005-2013 by CCRL team
Last games added on April 21, 2018