MESON Chess Problem Database

Problem Display
PID: 170973 (kq6/1p5p/p2NpR1K/2Q5/8/6p1/8/8 w - - 0 1)

Grande, Joralf

Problemisten, 1954

kq6/1p5p/p2NpR1K/2Q5/8/6p1/8/8

#3

4 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qc7
      • 2.Qxc7
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...b5
          • 3.Rf8#
          • 3.Qb7#
        • 2...b6
          • 3.Rf8#
          • 3.Qb7#
    • 1...Qc8
      • 2.Qxc8+
        • 2...Ka7
          • 3.Qxb7#
    • 1...Qf8+
      • 2.Rxf8#
    • 1...a5
      • 2.Qxa5+
        • 2...Qa7
          • 3.Rf8#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rf8
          • threat
            • 3.Sc7#
            • 3.Qa7#
          • 2...Qxf8+
            • 3.Qxf8#
          • 2...axb5
            • 3.Qa3#
          • 2...b6
            • 3.Qc6#
      • 1...Qf4+
        • 2.Rxf4
          • threat
            • 3.Rf8#
            • 3.Qa7#
            • 3.Qf8#
            • 3.Qc8#
          • 2...Kb8
            • 3.Rf8#
            • 3.Qf8#
      • 1...axb5
        • 2.Qa3+
          • 2...Qa7
            • 3.Rf8#
      • 1...b6
        • 2.Qc6+
          • 2...Qb7
            • 3.Rf8#
      • 1...a5
        • 2.Rf8
          • threat
            • 3.Sc7#
            • 3.Qa7#
          • 2...Qxf8+
            • 3.Qxf8#
          • 2...b6
            • 3.Qc6#
      • 1...e5
        • 2.Rf8
          • threat
            • 3.Sc7#
            • 3.Qa7#
          • 2...Qxf8+
            • 3.Qxf8#
          • 2...axb5
            • 3.Qa3#
          • 2...b6
            • 3.Qd5#
            • 3.Qc6#

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