Android UCI engine update: Aristides 2.0a.ACH

Aristides is one of the strongest Stockfish derivative according to blitz tourneys between derivatives. Thanks to Alexei for bringing a recent version to Android.

Aristides is a C port of the Stockfish chess engine, forked from Cfish by Michael Byrne. It includes play by UCI_LimitStrength (play by ELO rating), UCI Move Delay, Fast Play when mate is found, Study option (from Matefinder), Hide Info (some information output may be skipped to reduce output) and various search tweaks.

GET Aristides 2.0a.ACH for arm7 and arm8

In case of trouble downloading from your PC, use your mobile device or refer to THIS POST.