Bobby just drops the pieces and they fall on the right squares.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown484"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r5k1/5ppp/8/1b1P2bP/4PpP1/2P5/2P5/2NK1B1R b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Ra1 2. Bxb5 f3 3. Rf1 ( { White can try: } 3. Ke1 Rxc1+ 4. Kf2 Rxh1 5. Kxf3 Rh3+ 6. Ke2 Rxc3 7. Bd3 { Black wins with a large material advantage. } ) 3... Rxc1# 0-1