Problem Display
PID: 190510 (6Q1/8/1p1P4/k7/8/3N4/P7/K7 w - - 0 1)

Rohr, Hugo

La Strategie, 1913

6Q1/8/1p1P4/k7/8/3N4/P7/K7

#3

5 + 2


6490 yacpdb 2019

SOLUTION


  • COOKED
  • Sets
    • 1...Ka4
      • 2.Qd5
        • 2...Ka3
          • 3.Qb3#
          • 3.Qa8#
        • 2...b5
          • 3.Qa8#
  • Tries
    • 1.Qc8?
      • 1...b5
        • 2.Qc7+
          • 2...Ka4
            • 3.Qa7#
          • 2...Ka6
            • 3.Sb4#
            • 3.Sc5#
      • 1...Kb5!
  • Keys
    • 1.Qc4!
      • 1...b5
        • 2.Qc7+
          • 2...Ka4
            • 3.Qa7#
          • 2...Ka6
            • 3.Sb4#
            • 3.Sc5#
    • 1.a4!
      • threat
        • 2.Qa8#
      • 1...Kxa4
        • 2.Qd5
          • 2...Ka3
            • 3.Qa2#
          • 2...b5
            • 3.Qa2#
      • 1...b5
        • 2.Qa8+
          • 2...Kb6
            • 3.a5#

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