Problem Display
PID: 167555 (8/8/8/R7/8/N7/1k1K4/1N6 w - - 0 1)

Dujardin, Paul

Die Schwalbe, 1946

8/8/8/R7/8/N7/1k1K4/1N6

#3

4 + 1


3713 Snap 2018
6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Ka1
      • 2.Kc2
        • 2...Ka2
          • 3.Sc4#
          • 3.Sb5#
    • 1...Ka2
      • 2.Kc2
        • 2...Ka1
          • 3.Sc4#
          • 3.Sb5#
  • Tries
    • 1.Kd1?
      • 1...Ka1
        • 2.Kc2
          • 2...Ka2
            • 3.Sc4#
            • 3.Sb5#
      • 1...Ka2
        • 2.Kc2
          • 2...Ka1
            • 3.Sc4#
            • 3.Sb5#
      • 1...Kb3!
    • 1.Sc3?
      • 1...Ka1
        • 2.Sc4#
      • 1...Kb3!
    • 1.Sc4+?
      • 1...Kxb1
        • 2.Kc3
          • 2...Kc1
            • 3.Ra1#
        • 2.Kd3
          • 2...Kc1
            • 3.Ra1#
      • 1...Kb3!
    • 1.Sb5?
      • 1...Kxb1
        • 2.Kc3
          • 2...Kc1
            • 3.Ra1#
      • 1...Kb3!
    • 1.Ra4?
      • 1...Ka1
        • 2.Kc2
          • 2...Ka2
            • 3.Sc4#
            • 3.Sb5#
      • 1...Ka2
        • 2.Kc2
          • 2...Ka1
            • 3.Sc4#
            • 3.Sb5#
      • 1...Kb3!
    • 1.Rb5+?
      • 1...Ka1
        • 2.Sc2+
          • 2...Ka2
            • 3.Sc3#
      • 1...Ka2!
    • 1.Ra6?
      • 1...Ka1
        • 2.Kc2
          • 2...Ka2
            • 3.Sc4#
            • 3.Sb5#
      • 1...Ka2
        • 2.Kc2
          • 2...Ka1
            • 3.Sc4#
            • 3.Sb5#
      • 1...Kb3!
    • 1.Ra7?
      • 1...Ka1
        • 2.Kc2
          • 2...Ka2
            • 3.Sc4#
            • 3.Sb5#
      • 1...Ka2
        • 2.Kc2
          • 2...Ka1
            • 3.Sc4#
            • 3.Sb5#
      • 1...Kb3!
    • 1.Ra8?
      • 1...Ka1
        • 2.Kc2
          • 2...Ka2
            • 3.Sc4#
            • 3.Sb5#
      • 1...Ka2
        • 2.Kc2
          • 2...Ka1
            • 3.Sc4#
            • 3.Sb5#
      • 1...Kb3!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Rb5+
          • 2...Ka2
            • 3.Sc3#
      • 1...Kxb1
        • 2.Kc3
          • 2...Kc1
            • 3.Ra1#
      • 1...Kb3
        • 2.Rb5+
          • 2...Ka2
            • 3.Sc3#
          • 2...Ka4
            • 3.Sc3#
          • 2...Kc4
            • 3.Sba3#

This anticipates 167560(1946)

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