MESON Chess Problem Database

Problem Display
PID: 139827 (8/1q6/6Q1/8/2N5/5P2/p4K2/k4N2 w - - 0 1)

Hartong, Jan

The Problemist, 1937

8/1q6/6Q1/8/2N5/5P2/p4K2/k4N2

#3

5 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Qa8
      • 2.Qf6+
        • 2...Kb1
          • 3.Qb2#
      • 2.Qg7+
        • 2...Kb1
          • 3.Qb2#
    • 1...Qc8
      • 2.Qf6+
        • 2...Kb1
          • 3.Qb2#
      • 2.Qg7+
        • 2...Kb1
          • 3.Qb2#
    • 1...Qb1
      • 2.Qf6+
        • 2...Qb2+
          • 3.Qxb2#
      • 2.Qg7+
        • 2...Qb2+
          • 3.Qxb2#
    • 1...Qg7
      • 2.Qxg7+
        • 2...Kb1
          • 3.Qb2#
    • 1...Qh7
      • 2.Qf6+
        • 2...Kb1
          • 3.Qb2#
  • Tries
    • 1.Qf6+?
      • 1...Qb2+
        • 2.Qxb2#
      • 1...Kb1!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#
      • 1...Qxf3+
        • 2.Kxf3
          • 2...Kb1
            • 3.Sfe3#
      • 1...Qb2+
        • 2.Sfd2+
          • 2...Qc1
            • 3.Qxc1#
          • 2...Qb1
            • 3.Sb3#
      • 1...Qb6+
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#
      • 1...Qe4
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
          • 2...Qe1+
            • 3.Qxe1#
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#
        • 2.fxe4
          • 2...Kb1
            • 3.Sfe3#
      • 1...Qb1
        • 2.Qg7+
          • 2...Qb2+
            • 3.Qxb2#
      • 1...Qb3
        • 2.Sfd2+
          • 2...Qd1
            • 3.Qxd1#
            • 3.Qg7#
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qd1
            • 3.Qxd1#
          • 2...Qb1
            • 3.Sc2#
      • 1...Qb4
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qe1+
            • 3.Qxe1#
          • 2...Qb1
            • 3.Sc2#
      • 1...Qb5
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#
      • 1...Qh7
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#
      • 1...Qb8
        • 2.Sfd2+
          • 2...Qb1
            • 3.Sb3#
        • 2.Sfe3+
          • 2...Qb1
            • 3.Sc2#

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