Your judgement, please

7/10/2009 – An advanced knight outpost in the enemy camp is a fine thing, and two of them often make you believe the game should just win on its own. Playing 29.Bg5, White had just provoked the losing move 29. ... f6 here. What would you recommend to him now? A) There are no forced continuations, but the modest bishop retreat to c1 keeps all the advantages of his position; B) Don't stop half way, the strike 30.Nxf6+ clearing the d-file wins at once; C) Sacrificing is correct, but the right method is rook h3 with the threat 31.Rxh5+. The solution is here, but first ponder over it with a larger version of the diagram.