Problem Display
PID: 199129 (1k3N2/N7/8/Q7/8/4K3/8/8 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Schachblatter, 1921

1k3N2/N7/8/Q7/8/4K3/8/8

#3

4 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
            • 3.Qa7#
          • 2...Kc8
            • 3.Sd6#
            • 3.Sa7#
            • 3.Qc7#
        • 2.Qc7+
          • 2...Ka8
            • 3.Qa7#
            • 3.Qc8#
        • 2.Qa7+
          • 2...Kc8
            • 3.Qc7#
            • 3.Qa8#
      • 1...Kc8
        • 2.Qc7#
        • 2.Qa8#
      • 1...Kb7!
    • 1.Sc8?
      • 1...Kxc8
        • 2.Qa7
          • 2...Kd8
            • 3.Qd7#
      • 1...Kb7!
    • 1.Sd7+?
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Qb8#
      • 1...Ka8!
    • 1.Qb4+?
      • 1...Kxa7
        • 2.Sd7
          • 2...Ka6
            • 3.Qb6#
          • 2...Ka8
            • 3.Qb8#
      • 1...Kc7
        • 2.Sg6
          • 2...Kd7
            • 3.Qe7#
          • 2...Kd8
            • 3.Qe7#
      • 1...Ka8!
    • 1.Qb5+?
      • 1...Kxa7
        • 2.Sd7
          • 2...Ka8
            • 3.Qa6#
            • 3.Qb8#
      • 1...Kc7
        • 2.Kd4
          • 2...Kd6
            • 3.Qd7#
            • 3.Qc5#
            • 3.Qe5#
          • 2...Kd8
            • 3.Qd7#
        • 2.Ke4
          • 2...Kd6
            • 3.Qe5#
          • 2...Kd8
            • 3.Qd7#
        • 2.Kf4
          • 2...Kd6
            • 3.Qe5#
          • 2...Kd8
            • 3.Qd7#
      • 1...Ka8!
    • 1.Qa6?
      • threat
        • 2.Se6
          • 2...Ka8
            • 3.Sc6#
      • 1...Ka8
        • 2.Sc6#
      • 1...Kc7!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sc5
          • 2...Ka8
            • 3.Sc6#
        • 2.Sd8
          • 2...Ka8
            • 3.Sac6#
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
        • 2.Qa6
          • 2...Ka8
            • 3.Sc6#
      • 1...Kb7
        • 2.Sc7
          • 2...Kb8
            • 3.Qb6#
      • 1...Ka8
        • 2.Qa6
          • 2...Kb8
            • 3.Sc6#

This is after

This is after P. A. Orlimont.

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