Bobby just drops the pieces and they fall on the right squares.
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[Event "rated untimed match"] [Site "Poznan"] [Date "1971.??.??"] [Round "?"] [White "Sznapik"] [Black "Bernard"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "rkb4r/4Rp1p/p1PR1p1b/8/8/5N2/P4PPP/6K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Rd8 Rxd8 ( { Black can try: } 1... Ra7 2. Rxa7 Kxa7 3. Rxh8 { White wins with a large material advantage. } ) ( { Black dare not try: } 1... Bf8 2. Rb7# ) 2. c7+ Ka7 3. cxd8=Q+ Bb7 4. Qd4+ Kb8 5. Qb6 Kc8 6. Qc7# 1-0