MESON Chess Problem Database

Problem Display
PID: 32516 (7k/2Q5/8/8/3N4/K2nn3/8/8 w - - 0 1)

Hammarstrom, Ulf

The Problemist, 1996

7k/2Q5/8/8/3N4/K2nn3/8/8

#5

3 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Qg7#
      • 1...Sc2+
        • 2.Ka2
          • threat
            • 3.Qg7#
          • 2...Sc1+
            • 3.Kb1
              • threat
                • 4.Qg7#
              • 3...Sa3+
                • 4.Kxc1
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
            • 3.Kb2
              • threat
                • 4.Qg7#
              • 3...Sd3+
                • 4.Kc3
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
          • 2...Sdb4+
            • 3.Kb2
              • threat
                • 4.Qg7#
              • 3...Sd3+
                • 4.Kc3
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
      • 1...Sc4+
        • 2.Ka2
          • threat
            • 3.Qg7#
          • 2...Sc1+
            • 3.Kb1
              • threat
                • 4.Qg7#
              • 3...Sd2+
                • 4.Kc2
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
              • 3...Sa3+
                • 4.Kxc1
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
          • 2...Sb4+
            • 3.Kb3
              • threat
                • 4.Qg7#
              • 3...Sd2+
                • 4.Kxb4
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
                • 4.Ka4
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
              • 3...Sa5+
                • 4.Ka4
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
      • 1...Sf5
        • 2.Sg5
          • threat
            • 3.Qh7#
          • 2...Se7
            • 3.Qxe7
              • threat
                • 4.Qf8#
                • 4.Qh7#
              • 3...Kg8
                • 4.Qf7+
                  • 4...Kh8
                    • 5.Qh7#
                    • 5.Qf8#
                • 4.Qh7+
                  • 4...Kf8
                    • 5.Qf7#
                • 4.Se6
                  • threat
                    • 5.Qg7#
                  • 4...Kh8
                    • 5.Qg7#

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