[White "Daily tactics #9"]   [Black "Black to play and win"]   [Result "0-1"]   [FEN "7r/1pR5/6k1/3p4/p3n1np/8/PPP3PP/5R1K b - - 0 1"]   1 ... Ng3+!! 2 hxg3 hxg3+ 3 Kg1 Nf2!! { The threat is Rh1 mate. White's reply is forced}   4 Rxf2 Rh1+!! { The point}  5 Kxh1 gxf2 { And there is no stoping the pawn on the next move.}