Problem Display
PID: 250527 (n1N5/p7/p2Bp3/3kP3/P7/NPp5/2Q5/7K w - - 0 1)

Pierce, William Timbrell

English Mechanic and World of Science, 1885

(First published on Fri Oct 16 1885)

n1N5/p7/p2Bp3/3kP3/P7/NPp5/2Q5/7K

#3

8 + 6


15239 Valois Notebooks 2021

SOLUTION


  • COOKED
  • Sets
    • 1...a5
      • 2.Qd3+
        • 2...Kc6
          • 3.Qb5#
  • Tries
    • 1.Sb5?
      • threat
        • 2.Se7#
        • 2.Qg2#
      • 1...axb5
        • 2.Qd3+
          • 2...Kc6
            • 3.Qxb5#
      • 1...Kc6!
    • 1.Qe2?
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Sc2+
          • 2...Kd5
            • 3.Se7#
            • 3.Qf3#
            • 3.Qc4#
            • 3.Qg2#
        • 2.Qf3
          • threat
            • 3.Sc2#
          • 2...c2
            • 3.Sxc2#
      • 1...Sb6
        • 2.Se7+
          • 2...Kd4
            • 3.Sc2#
        • 2.Qf3+
          • 2...Kd4
            • 3.Sc2#
      • 1...Kc6!
    • 1.Qxc3?
      • threat
        • 2.Qc4#
      • 1...Sb6
        • 2.Qf3+
          • 2...Kd4
            • 3.Sc2#
      • 1...Ke4!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Sc2
          • threat
            • 3.Se7#
            • 3.Qb7#
          • 2...Kc6
            • 3.Sb4#
        • 2.Se7+
          • 2...Kd4
            • 3.Sc2#
      • 1...Kd4
        • 2.Sc2+
          • 2...Kd5
            • 3.Se7#
            • 3.Qb7#
      • 1...Kc6
        • 2.Sxa7+
          • 2...Kd5
            • 3.Qd3#
          • 2...Kb6
            • 3.Sc4#
      • 1...Sc7
        • 2.Se7+
          • 2...Kd4
            • 3.Sc2#
      • 1...c2
        • 2.Sxc2
          • threat
            • 3.Se7#
            • 3.Qb7#
          • 2...Kc6
            • 3.Sb4#
      • 1...a5
        • 2.Se7+
          • 2...Kd4
            • 3.Sc2#
        • 2.Qd3+
          • 2...Kc6
            • 3.Qb5#
    • 1.Qg2+!
      • 1...Kd4
        • 2.Qf3
          • threat
            • 3.Sc2#
          • 2...c2
            • 3.Sxc2#

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