Problem Display
PID: 14518 (kN2K3/rp2Q3/2P1p3/4n3/8/8/8/5b2 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Denken und Raten, 1929

kN2K3/rp2Q3/2P1p3/4n3/8/8/8/5b2

#3

4 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Kxb8
      • 2.Qd8#
    • 1...Ra1
      • 2.Qxb7#
    • 1...Ra2
      • 2.Qxb7#
    • 1...Ra3
      • 2.Qxb7#
    • 1...Ra4
      • 2.Qxb7#
    • 1...Ra5
      • 2.Qxb7#
    • 1...Ra6
      • 2.Qxb7#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qd8#
      • 1...Sxc6
        • 2.Sb6+
          • 2...Kb8
            • 3.Qd6#
      • 1...Sxd7
        • 2.Qxd7
          • threat
            • 3.Qc8#
            • 3.Qd8#
          • 2...Kb8
            • 3.Qd8#
          • 2...Ra1
            • 3.Qxb7#
          • 2...Ra2
            • 3.Qxb7#
          • 2...Ra3
            • 3.Qxb7#
          • 2...Ra4
            • 3.Qxb7#
          • 2...Ra5
            • 3.Qxb7#
          • 2...Ra6
            • 3.Qxb7#
      • 1...bxc6
        • 2.Qd8+
          • 2...Kb7
            • 3.Sc5#
      • 1...Ra1
        • 2.Sb6+
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Ra2
        • 2.Sb6+
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Ra3
        • 2.Sb6+
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Ra4
        • 2.Sb6+
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Ra5
        • 2.Sb6+
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Ra6
        • 2.Qd8+
          • 2...Ka7
            • 3.Qb8#
      • 1...Sf7
        • 2.Sb6+
          • 2...Kb8
            • 3.c7#

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