If your opponent cannot do anything active, then don't rush the position; instead you should let him sit there, suffer, and beg you for a draw.
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[Event "U.S. Women's Championship"] [Site "St. Louis"] [Date "2015.04.04"] [Round "?"] [White "Apurva Virkud"] [Black "Irina Krush"] [Result "0-1"] [BlackElo "0"] [FEN "8/k4p2/pp1qp3/2n5/3NbP2/P1Q2BPp/1P5P/2K5 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Qxd4 2. Qxd4 Nb3+ 3. Kd1 Bxf3+ 0-1