Problem Display
PID: 192386 (8/pQ6/K3NkB1/8/8/7P/5P2/8 w - - 0 1)

Menaboni, Roberto

L'Italia Scacchistica, 1917

8/pQ6/K3NkB1/8/8/7P/5P2/8

#3

6 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Sf4?
      • 1...Kg5
        • 2.Qg7
          • 2...Kxf4
            • 3.Qf6#
          • 2...Kh4
            • 3.Qf6#
            • 3.Qh6#
            • 3.Qe7#
      • 1...Ke5!
    • 1.Sf8?
      • 1...Kg5
        • 2.Qg7
          • 2...Kf4
            • 3.Qf6#
          • 2...Kh4
            • 3.Qh6#
      • 1...Ke5!
    • 1.Qd7?
      • 1...Ke5
        • 2.f4+
          • 2...Kf6
            • 3.Qf7#
      • 1...Kxg6!
    • 1.f4?
      • threat
        • 2.Qf7#
      • 1...Kxg6
        • 2.Sg5
          • 2...Kf5
            • 3.Qf7#
          • 2...Kh5
            • 3.Qh7#
          • 2...Kf6
            • 3.Qf7#
          • 2...Kh6
            • 3.Qh7#
      • 1...Kxe6!
  • Keys
    • 1.Sg5!
      • 1...Ke5
        • 2.Qc6
          • 2...Kd4
            • 3.Sf3#
          • 2...Kf4
            • 3.Qf6#
      • 1...Kxg5
        • 2.Qg7
          • 2...Kf4
            • 3.Qf6#
          • 2...Kh4
            • 3.Qh6#
      • 1...Kxg6
        • 2.f4
          • 2...Kf5
            • 3.Qf7#
          • 2...Kh5
            • 3.Qh7#
          • 2...Kf6
            • 3.Qf7#
          • 2...Kh6
            • 3.Qh7#

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).