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 "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown032"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "3b4/1p5p/p2P4/2P1pp2/1P6/k5K1/7P/4B3 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Kh3 e4 2. Bh4 Bxh4 3. Kxh4 e3 4. Kg3 f4+ 5. Kf3 Kxb4 6. d7 Kxc5 7. d8=Q { White wins with a large material advantage. } 1-0