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This week, we have a threemover. It is relatively easy, so no further clues!
The black R+B combination is a major clue to any experienced solver, and, sure enough,
mutual obstruction by these two black pieces provides the theme.
1.Kc1! By removing his king from the possible rook check on b7, White sets up the
threat of 2.Ne5, followed by a mate on c4, g4 or e1. Black's various defences all leave
his rook and bishop tripping over each other's toes:
1...Rxf7 2.Na3 and mate on c4 ( no 2...Bf7) 1...Bxf7 2.Bg5 (no 2...Rf7) 1...Rxh5 2.Nc3 (no 2...Bh5) 1...Bxh5 2.Bb6 (no 2...Rh5)
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