Problem Display
PID: 131603 (7B/6R1/4k3/2P2p2/8/1KN5/5N2/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Ceske Slovo, 1924

7B/6R1/4k3/2P2p2/8/1KN5/5N2/8

#3

6 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kf6
        • 2.Sf4
          • 2...Ke5
            • 3.Rg4#
      • 1...f4!
    • 1.Sh3?
      • 1...Kf6
        • 2.Sf4
          • 2...Ke5
            • 3.Rg4#
      • 1...f4!
  • Keys
    • 1.Se2!
      • 1...Kd5
        • 2.Rc7
          • threat
            • 3.Sf4#
          • 2...Ke6
            • 3.Sf4#
          • 2...f4
            • 3.Sxf4#
      • 1...Ke5
        • 2.Rc7+
          • 2...Kd5
            • 3.Sf4#
          • 2...Ke6
            • 3.Sf4#
      • 1...Kf6
        • 2.Sf4
          • 2...Ke5
            • 3.Rg4#
      • 1...f4
        • 2.Sd4+
          • 2...Kd5
            • 3.Rg5#
          • 2...Ke5
            • 3.Rg5#
            • 3.Rd7#
          • 2...Kf6
            • 3.Sg4#

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