Problem Display
PID: 51843 (5r2/1N1n2B1/1pBPpP1r/P1p1k1N1/2p1P2p/4Q3/2K4n/b7 w - - 0 1)

Rudenko, Valentin Fedorovich

1st Prize, Zadachi i Etyudi, 2003

5r2/1N1n2B1/1pBPpP1r/P1p1k1N1/2p1P2p/4Q3/2K4n/b7

#3

10 + 11


56 The Problemist 2004
145 StrateGems 2006

SOLUTION


  • SOUND
  • Sets
    • 1...Rxf6
      • 2.Sf7#
    • 1...Rf7
      • 2.Sxf7#
    • 1...Ra8
      • 2.Sf7#
    • 1...Rb8
      • 2.Sf7#
    • 1...Rc8
      • 2.Sf7#
    • 1...Rd8
      • 2.Sf7#
    • 1...Re8
      • 2.Sf7#
    • 1...Rg8
      • 2.Sf7#
    • 1...Rh8
      • 2.Sf7#
    • 1...Bd4
      • 2.Sf7+
        • 2...Rxf7
          • 3.Qg5#
    • 1...Sf1
      • 2.Sf3#
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sg4
      • 2.Sf3#
    • 1...h3
      • 2.Qg3+
        • 2...Kd4
          • 3.Sxe6#
  • Tries
    • 1.Qf4+?
      • 1...Kd4
        • 2.Sxe6#
        • 2.e5#
      • 1...Kxf4!
    • 1.Qg3+?
      • 1...Kd4
        • 2.Sxe6#
      • 1...hxg3!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Qf4+
          • 2...Kd4
            • 3.e5#
      • 1...Rhxf6
        • 2.Sf4
          • threat
            • 3.Sg6#
      • 1...Rfxf6
        • 2.Sg5
          • threat
            • 3.Sf7#
      • 1...Sxf6
        • 2.axb6
          • threat
            • 3.Qxc5#
          • 2...Bd4
            • 3.Qf4#
            • 3.Qg5#

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).