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 2.0 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 2.0 64-bit has no rank with rating of 2755 Elo points (+16 -16),
based on 1329 games: 363 wins, 514 losses and 452 draws
Score: 44.3%, Average opponent: +38.7, Draws: 34.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Bobcat 8.0 64-bit                  2960   7.5-24.5  (+4 -21=7 )    0.0    +3
 - Laser 1.3 64-bit                   2950   5.5-28.5  (+1 -24=9 )    0.0   -57
 - Crafty 25.2 64-bit                 2933  11.5-38.5  (+5 -32=13)    0.0   -18
 - Laser 1.2 64-bit                   2868  17.5-32.5  (+5 -20=25)    0.0   +24
 - Nemo 1.0.1 64-bit                  2857  15.5-33.5  (+7 -25=17)    0.0   -21
 - Scorpio 2.7.6 64-bit               2816  20.0-30.0  (+10-20=20)    0.0    -2
 - Tornado 7.0 64-bit                 2809  32.0-50.0  (+16-34=32)    0.0   -15
 - GNU Chess 5.60 64-bit              2808  14.5-17.5  (+9 -12=11)    0.0   +21
 - Rhetoric 1.4.3 64-bit              2804  33.0-49.0  (+15-31=36)    0.0   -11
 - Loop 13.6 (Loop 2007) 64-bit       2795  16.0-16.0  (+9 -9 =14)    0.0   +41
 - Octochess r5190 64-bit             2778  33.5-48.5  (+21-36=25)    0.7   -38
 - The Baron 3.29 64-bit              2772  41.5-40.5  (+24-23=35)    4.0   +17
 - Bright 0.5c                        2772  13.5-18.5  (+9 -14=9 )    2.6   -37
 - Twisted Logic 20090922 64-bit      2771  19.0-13.0  (+13-7 =12)    4.0   +77
 - Frenzee 3.5.19 64-bit              2768  37.5-41.5  (+29-33=17)    6.8    -6
 - Pawny 1.2 64-bit                   2767  34.5-29.5  (+26-21=17)   10.5   +41
 - Jonny 4.00                         2762 106.5-99.5  (+75-68=63)   19.8   +18
 - Bison 9.11 64-bit                  2761  27.0-23.0  (+19-15=16)   26.0   +32
 - Tucano 6.00 64-bit                 2750  36.0-46.0  (+23-33=26)   69.2   -45
 - Chronos 1.9.9 64-bit               2740  15.5-15.5  (+9 -9 =13)   96.3   -16
 - ChessBrainVB 3.02                  2740  12.5-19.5  (+6 -13=13)   89.6   -84
 - Zurichess Graubuenden 64-bit       2724  20.0-12.0  (+16-8 =8 )   99.6   +57
 - Chess Tiger 2007.1                 2713  19.0-13.0  (+12-6 =14)  100.0   +14


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