CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Amoeba 2.3 64-bit in CCRL 40/4, 2019-07-20
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:
Amoeba 2.3 64-bit has no rank with rating of 2783 Elo points (+19 -19),
based on 904 games: 286 wins, 304 losses and 314 draws
Score: 49.0%, Average opponent: +7.7, Draws: 34.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - SmarThink 1.97 64-bit              3031   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Pedone 1.5 64-bit                  3021   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Vajolet2 2.3 64-bit                2983   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - Laser 1.3 64-bit                   2950   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Cheng 4.39 64-bit                  2944   0.5-0.5   (+0 -0 =1 )    0.0  +191
 - Spark 1.0 64-bit                   2927   0.5-0.5   (+0 -0 =1 )    0.0  +113
 - Wasp 1.25 64-bit                   2926   1.0-0.0   (+1 -0 =0 )    0.0  +INF
 - Quazar 0.4 64-bit                  2899   0.0-1.0   (+0 -1 =0 )    0.0  -INF
 - Demolito 2017-06-18 64-bit         2884   5.5-24.5  (+3 -22=5 )    0.0  -153
 - Nemo 1.0.1 64-bit                  2857  11.5-19.5  (+6 -14=11)    0.0   -11
 - Onno 1.2.70 64-bit                 2845  12.5-19.5  (+7 -14=11)    0.0   -11
 - Zurichess Luzern 64-bit            2844  14.0-18.0  (+7 -11=14)    0.0   +20
 - Zappa Mexico II 64-bit             2843  14.0-18.0  (+9 -13=10)    0.0   +20
 - Tornado 8.0 64-bit                 2825  14.5-17.5  (+8 -11=13)    0.0   +10
 - Octochess r5506 64-bit             2820  20.0-30.0  (+12-22=16)    0.1   -30
 - Scorpio 2.7.6 64-bit               2816  23.0-27.0  (+16-20=14)    0.3    +6
 - ChessBrainVB 3.20                  2804  18.5-13.5  (+14-9 =9 )    5.2   +74
 - Rhetoric 1.4.3 64-bit              2804  20.0-30.0  (+14-24=12)    2.3   -50
 - Ktulu 9                            2781  25.5-23.5  (+13-11=25)   57.4    +9
 - Zurichess Jura 64-bit              2777  17.5-14.5  (+9 -6 =17)   68.1   +20
 - Bright 0.5c                        2772  17.0-15.0  (+10-8 =14)   85.5    +8
 - The Baron 3.29 64-bit              2772  26.5-23.5  (+21-18=11)   83.6    +8
 - Twisted Logic 20090922 64-bit      2771  19.5-12.5  (+12-5 =15)   89.1   +54
 - ProDeo 2.2                         2770  29.0-20.0  (+22-13=14)   84.1   +47
 - Frenzee 3.5.19 64-bit              2768  26.5-23.5  (+18-15=17)   92.7    +4
 - Pawny 1.2 64-bit                   2767  34.5-47.5  (+19-32=31)   93.7   -66
 - Jonny 4.00                         2762  27.5-22.5  (+18-13=19)   98.1    +8
 - Cheese 1.9 64-bit                  2731  21.0-11.0  (+16-6 =10)  100.0   +57
 - Carballo 1.7 64-bit                2718  18.0-15.0  (+11-8 =14)  100.0   -36
 - Chess Tiger 2007                   2700  21.0-10.0  (+16-5 =10)  100.0   +39
 - Chessmaster 11 Paralyse            2686   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - E.T. Chess 13.01.08                2634   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Brutus 8.05 64-bit                 2556   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019