Best move for white

Trap.  In the middle game, don't take a piece alone deep into opponents territory, he might trap no matter how big the piece is. 

Always coordinate with other pieces too. 

Best move for white

Best move for white

Remove the guard strategy to advance the pawn 

Best move for black

Remove the guard to trap the white rook

Best move for black

Threaten checkmate or fork with a knight 

Best move for black to promote the pawn

Pawn promotion strategy 

Best move for black

Double attack followed by knight fork.  Very easy one

Best Move for Black

Deflection