Problem Display
PID: 27604 (8/4K3/p6Q/1k6/3p4/3Np3/pP1N4/2n5 w - - 0 1)

Howard, Kenneth Samuel

Pittsburgh Post, 1926

8/4K3/p6Q/1k6/3p4/3Np3/pP1N4/2n5

#4

5 + 6


5089 The Enjoyment of Chess Problems 1943
5063 Spectacular Chess Problems 1965
56 The Problemist 2004

SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qb7+
          • 2...Ka4
            • 3.Qxa6#
            • 3.Qb4#
          • 2...Ka5
            • 3.Qb4#
      • 1...Ka5
        • 2.Sc4+
          • 2...Ka4
            • 3.Qc6+
              • 3...Kb3
                • 4.Sa5#
            • 3.Qb7
              • threat
                • 4.Sc5#
                • 4.Qb4#
              • 3...Sxd3
                • 4.b3#
          • 2...Kb5
            • 3.Qd5+
              • 3...Ka4
                • 4.Sb6#
        • 2.b4+
          • 2...Ka4
            • 3.Qc6+
              • 3...Ka3
                • 4.Qxa6#
          • 2...Kb5
            • 3.Qb7+
              • 3...Ka4
                • 4.Qxa6#
          • 2...Kb6
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kb5
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
              • 3...Kc7
                • 4.Qb7#
        • 2.Qb7
          • threat
            • 3.Qb4#
          • 2...Sxd3
            • 3.Sc4+
              • 3...Ka4
                • 4.b3#
      • 1...Kb6
        • 2.Sc4+
          • 2...Kb5
            • 3.Qd5+
              • 3...Ka4
                • 4.Sb6#
          • 2...Ka7
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
          • 2...Kc7
            • 3.Sc5
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
              • 3...Kc8
                • 4.Qb7#
      • 1...Sxd3
        • 2.Qb7+
          • 2...Ka4
            • 3.Qb3+
              • 3...Ka5
                • 4.Sc4#
            • 3.b3+
              • 3...Ka3
                • 4.Sc4#
              • 3...Ka5
                • 4.Sc4#
          • 2...Ka5
            • 3.Sc4+
              • 3...Ka4
                • 4.b3#
          • 2...Kc5
            • 3.Se4+
              • 3...Kc4
                • 4.b3#
      • 1...exd2
        • 2.Qb7+
          • 2...Kc4
            • 3.Se5+
              • 3...Kc5
                • 4.b4#

FEATURES


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