MESON Chess Problem Database

Problem Display
PID: 91082 (8/R1P5/1n6/8/n7/8/2K5/k7 w - - 0 1)

Nerong, Otto

Die Schwalbe, 1968

8/R1P5/1n6/8/n7/8/2K5/k7

#3

3 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Rxa4+
        • 2...Sa3+
          • 3.Rxa3#
    • 1...Sd5
      • 2.Rxa4#
    • 1...Sd7
      • 2.Rxa4#
    • 1...Sa8
      • 2.Rxa4#
    • 1...Sc8
      • 2.Rxa4#
  • Tries
    • 1.Kc1?
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3
            • 3.Rxa3#
      • 1...Ka2!
    • 1.Ra5?
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#
      • 1...Ka2!
    • 1.Ra6?
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#
      • 1...Ka2!
    • 1.c8Q?
      • threat
        • 2.Qc3+
          • 2...Ka2
            • 3.Qb2#
        • 2.Qh8+
          • 2...Ka2
            • 3.Qb2#
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#
      • 1...Ka2!
    • 1.c8B?
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#
      • 1...Ka2!
    • 1.c8R?
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#
        • 2.Rxc4
          • 2...Ka2
            • 3.Rcxa4#
            • 3.Raxa4#
      • 1...Ka2!
  • Keys
    • 1.c8S!
      • threat
        • 2.Sxb6
          • 2...Ka2
            • 3.Rxa4#
      • 1...Ka2
        • 2.Sxb6
          • threat
            • 3.Rxa4#
          • 2...Ka1
            • 3.Rxa4#
          • 2...Ka3
            • 3.Rxa4#
      • 1...Sc4
        • 2.Rxa4+
          • 2...Sa3+
            • 3.Rxa3#

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