Chess Ending puzzle

Winning and finishing chess means surrounding the king. Try some!!!

The goal of the user in the game is to surround the chess white king in limited number of moves. Player can only move black pieces and get stars with respect of there number of moves. less the number of steps more the stars. All pieces moves in their usual way, only pawn can move in all four direction. The game can help to increase the decision making and sharpens mind.