New release of my engine. It's about 60ELO stronger and now has an option for limit the strength.
Tune IID conditions
Improved pawn shield evaluation
Non linear formula for mobility
Limit engine strength
Don't try null move at high depths in an expected all node
Razoring at depth 4
I have released a new version of my engine.
Android 32 and 64 bit available
Improved passed pawns evaluation
Added large pages allocation for the hash table
Improved time management
More aggressive late move pruning
Added countermove heuristic
Reduce bad captures
Improved history heuristic
Improved strength levels
Some speed optimizations
It's about 30 elo stronger than 1.6 at short time control.