MESON Chess Problem Database

Problem Display
PID: 180032 (b3k3/1n2p3/8/4N3/8/Q6K/8/8 w - - 0 1)

Fossum, Andre Ferdinand

All Round Ty., 1967

b3k3/1n2p3/8/4N3/8/Q6K/8/8

#3

3 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Qxa8#
    • 1...Sd6
      • 2.Qxa8+
        • 2...Sc8
          • 3.Qxc8#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qg8#
      • 1...e6
        • 2.Qxe6+
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Qf7#
      • 1...Kd8!
    • 1.Qb3?
      • threat
        • 2.Qg8#
      • 1...e6
        • 2.Qxe6+
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Qf7#
      • 1...Kd8!
    • 1.Qf3?
      • 1...Kd8
        • 2.Qc6
          • threat
            • 3.Sf7#
            • 3.Qd7#
      • 1...e6
        • 2.Qf7+
          • 2...Kd8
            • 3.Qd7#
      • 1...Sd6
        • 2.Qxa8+
          • 2...Sc8
            • 3.Qxc8#
      • 1...Sd8!
    • 1.Qa4+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qe6
          • threat
            • 3.Qg8#
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Qf7#
      • 1...Kd8
        • 2.Qc6
          • threat
            • 3.Sf7#
            • 3.Qd7#
      • 1...Kf8
        • 2.Qg6
          • threat
            • 3.Sd7#
            • 3.Qf7#
      • 1...e6
        • 2.Qxe6+
          • 2...Kd8
            • 3.Qd7#
          • 2...Kf8
            • 3.Qf7#
      • 1...Sd6
        • 2.Qxa8+
          • 2...Sc8
            • 3.Qxc8#
      • 1...Sd8
        • 2.Qg6+
          • 2...Kf8
            • 3.Sd7#
          • 2...Sf7
            • 3.Qg8#

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