Problem Display
PID: 71520 (8/4N3/4P1Q1/2pPkPp1/2P1p1P1/1B2p2P/1P2p2P/4K3 w - - 0 1)

Grupen, Claus

Kieler Nachrichten, 2006

8/4N3/4P1Q1/2pPkPp1/2P1p1P1/1B2p2P/1P2p2P/4K3

#3

12 + 6


136 Problem Observer 2007

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qf6+
        • 2...Kd3
          • 3.Qc3#
      • 2.Qg7+
        • 2...Kd3
          • 3.Qc3#
  • Tries
    • 1.Sc6+?
      • 1...Kd6
        • 2.Qe8
          • 2...Kc7
            • 3.Qb8#
        • 2.Qg8
          • 2...Kc7
            • 3.Qb8#
      • 1...Kf4!
    • 1.Sc8?
      • 1...Kd4
        • 2.Qf6+
          • 2...Kd3
            • 3.Qc3#
        • 2.Qg7+
          • 2...Kd3
            • 3.Qc3#
      • 1...Kf4!
    • 1.Qxg5?
      • threat
        • 2.Sc6+
          • 2...Kd6
            • 3.Qf4#
            • 3.Qe7#
            • 3.Qd8#
      • 1...Kd4
        • 2.Qf6+
          • 2...Kd3
            • 3.Qc3#
        • 2.Qg7+
          • 2...Kd3
            • 3.Qc3#
      • 1...Kd6!
    • 1.Qg7+?
      • 1...Kd6
        • 2.Sc8#
      • 1...Kf4!
    • 1.Qg8?
      • 1...Kd4
        • 2.Qg7+
          • 2...Kd3
            • 3.Qc3#
        • 2.Qh8+
          • 2...Kd3
            • 3.Qc3#
      • 1...Kf4
        • 2.Qb8+
          • 2...Kf3
            • 3.Qg3#
      • 1...Kd6
        • 2.Sc6
          • 2...Kc7
            • 3.Qb8#
      • 1...Kf6!
  • Keys
    • 1.Qe8!
      • 1...Kd4
        • 2.Qh8+
          • 2...Kd3
            • 3.Qc3#
      • 1...Kf4
        • 2.Qb8+
          • 2...Kf3
            • 3.Qg3#
      • 1...Kd6
        • 2.Sc6
          • 2...Kc7
            • 3.Qb8#
      • 1...Kf6
        • 2.Sg6
          • 2...Kg7
            • 3.Qh8#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).