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CCRL 40/40 Rating List - Custom engine selection
774825 games played by 2008 programs, run by 21 testers
Ponder off, General books (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.
Computed on December 30, 2017 with Bayeselo based on 774'825 games
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/4040/
Engine Elo + - Score AvOp Games
Amoeba 2.6 64-bit 2917 +22 -22 52.4% -15.7 605
Amoeba 2.7 64-bit 2905 +20 -20 36.9% +90.6 817