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. Championship Match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Jackson Showalter"]
[Black "Frank Marshall"]
[Result "0-1"]
[BlackElo "0"]
[FEN "B5k1/p7/4b1p1/8/1r3p1K/5P2/1P5P/R7 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Rb5 { Black delivers checkmate with Rh5. } 2. Bd5 Rxd5 3. Ra5 Rxa5 4. b4 Rh5# 0-1