Do the math ! - chess puzzles

Apr 13, 2016, 2:00 PM |

Calculate the win !

Is it the right time for checkmate ?
Is there a better move than Rd5xf5 winning a pawn ?
Find the winning sequence for black.
Is there something better than grabbing the rook on h1 ?
Has black a checkmate option ? How ?
Can you finish the game in style for black ?
Best move for white here ?