MESON Chess Problem Database

Problem Display
PID: 255262 (1K4n1/2p5/8/1N2Q3/5P2/6p1/pp1PB2q/k7 w - - 0 1)

Hansen, Erik

4th HM., Thema Danicum, 1990-1991

1K4n1/2p5/8/1N2Q3/5P2/6p1/pp1PB2q/k7

#5

6 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sb3+
          • 2...Kb1
            • 3.Bd3#
            • 3.Qe4#
            • 3.Qf5#
        • 2.Bd3
          • threat
            • 3.Sb3#
      • 1...Qh7
        • 2.Qh8
          • threat
            • 3.Sb3+
              • 3...Kb1
                • 4.Qxh7#
          • 2...Qc2
            • 3.Sxc2+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kxc2
                    • 5.Qd1#
          • 2...Qe4
            • 3.Sb3+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kc2
                    • 5.Qd1#
                  • 4...Qxh1
                    • 5.Bd3#
          • 2...Qf5
            • 3.Sb3+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kc2
                    • 5.Qd1#
          • 2...Qg6
            • 3.Sb3+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kc2
                    • 5.Qd1#
          • 2...Qd7
            • 3.Sc2+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kxc2
                    • 5.Qd1#
            • 3.Sb3+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kc2
                    • 5.Qd1#
          • 2...Qf7
            • 3.Sc2+
              • 3...Kb1
                • 4.Qh1+
                  • 4...Kxc2
                    • 5.Qd1#
          • 2...Sf6
            • 3.Sb3+
              • 3...Kb1
                • 4.Qxh7+
                  • 4...Se4
                    • 5.Bd3#
                    • 5.Qxe4#
                  • 4...Sxh7
                    • 5.Bd3#
          • 2...Sh6
            • 3.Sb3+
              • 3...Kb1
                • 4.Qxh7+
                  • 4...Sf5
                    • 5.Bd3#
                    • 5.Qxf5#
          • 2...Se7
            • 3.Sb3+
              • 3...Kb1
                • 4.Qxh7+
                  • 4...Sf5
                    • 5.Bd3#
                    • 5.Qxf5#
                  • 4...Sg6
                    • 5.Bd3#
                    • 5.Qxg6#

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