Problem Display
PID: 13418 (8/8/5P2/5k2/8/6B1/3Q2K1/8 w - - 0 1)

Magner, Siegfried

Bohemia, 1903

8/8/5P2/5k2/8/6B1/3Q2K1/8

#3

4 + 1


1829 The Theory of Pawn Promotion 1912
23 Die Schwalbe 1969
56 The Problemist 2012

SOLUTION


  • SOUND
  • Keys
    • 1.f7!
      • threat
        • 2.f8Q+
          • 2...Ke4
            • 3.Qf3#
            • 3.Qff4#
          • 2...Kg4
            • 3.Qf3#
          • 2...Ke6
            • 3.Qdd6#
          • 2...Kg6
            • 3.Qdh6#
      • 1...Ke4
        • 2.f8S
          • 2...Kf5
            • 3.Qf4#
      • 1...Kg4
        • 2.f8Q
          • 2...Kh5
            • 3.Qf5#
      • 1...Ke6
        • 2.f8R
          • 2...Ke7
            • 3.Qd6#
      • 1...Kf6
        • 2.f8Q+
          • 2...Ke6
            • 3.Qdd6#
          • 2...Kg6
            • 3.Qdh6#
      • 1...Kg6
        • 2.f8Q
          • threat
            • 3.Qdh6#
          • 2...Kh5
            • 3.Qf5#
          • 2...Kh7
            • 3.Qdh6#
            • 3.Qc2#
            • 3.Qd3#

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).