Problem Display
PID: 168791 (k7/3P4/NnNn4/2K5/8/8/8/8 w - - 0 1)

Oganesyan, Alexei Sergeevich

SuperProblem 095. TT, 2013

k7/3P4/NnNn4/2K5/8/8/8/8

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Se4+
      • 2.Kxb6
        • threat
          • 3.Sc7#
          • 3.d8Q#
          • 3.d8R#
    • 1...Sb5
      • 2.Kxb6
        • threat
          • 3.d8Q#
          • 3.d8R#
        • 2...Sd6
          • 3.Sc7#
        • 2...Sa7
          • 3.Sc7#
    • 1...Sf5
      • 2.Kxb6
        • threat
          • 3.Sc7#
          • 3.d8Q#
          • 3.d8R#
    • 1...Sb7+
      • 2.Kxb6
        • threat
          • 3.Sc7#
    • 1...Sf7
      • 2.Kxb6
        • threat
          • 3.Sc7#
    • 1...Se8
      • 2.Kxb6
        • threat
          • 3.dxe8Q#
          • 3.dxe8R#
          • 3.d8Q#
          • 3.d8R#
        • 2...Sd6
          • 3.Sc7#
  • Tries
    • 1.Kxb6?
      • threat
        • 2.Sc7#
      • 1...Sc8+
        • 2.dxc8Q#
        • 2.dxc8R#
      • 1...Sb5
        • 2.d8Q#
        • 2.d8R#
      • 1...Se8
        • 2.dxe8Q#
        • 2.dxe8R#
        • 2.d8Q#
        • 2.d8R#
      • 1...Sc4+!
  • Keys
    • 1.d8S!
      • threat
        • 2.Sc7#
      • 1...Sa4+
        • 2.Kxd6
          • threat
            • 3.Sc7#
      • 1...Sd7+
        • 2.Kxd6
          • threat
            • 3.Sc7#
      • 1...Se4+
        • 2.Kxb6
          • threat
            • 3.Sc7#
      • 1...Sb7+
        • 2.Kxb6
          • threat
            • 3.Sc7#
      • 1...Sd5
        • 2.Kxd6
          • 2...Sc3
            • 3.Sc7#
          • 2...Se3
            • 3.Sc7#
          • 2...Sb4
            • 3.Sc7#
          • 2...Sf4
            • 3.Sc7#
          • 2...Sb6
            • 3.Sc7#
          • 2...Sf6
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Se7
            • 3.Sc7#
      • 1...Sb5
        • 2.Kxb6
          • 2...Sa3
            • 3.Sc7#
          • 2...Sc3
            • 3.Sc7#
          • 2...Sd4
            • 3.Sc7#
          • 2...Sd6
            • 3.Sc7#
          • 2...Sa7
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
      • 1...Se8
        • 2.Kxb6
          • 2...Sd6
            • 3.Sc7#
          • 2...Sf6
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Sg7
            • 3.Sc7#

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).