Problem Display
PID: 8498 (2B5/1p4K1/4r2P/b1p1Nk1p/1p5P/pb3PP1/3P2N1/B2n4 w - - 0 1)

Keller, Michael

2nd Prize, Deutsche Schachblatter, 1978

2B5/1p4K1/4r2P/b1p1Nk1p/1p5P/pb3PP1/3P2N1/B2n4

#3

10 + 10


4655 Michael Keller Ein Meister der Schachkomposition 1994

SOLUTION


  • SOUND
  • Sets
    • 1...Sb2
      • 2.Sg6
        • threat
          • 3.Se3#
        • 2...Sd1
          • 3.Se7#
        • 2...Sc4
          • 3.Se7#
    • 1...Sf2
      • 2.Se3#
    • 1...Sc3
      • 2.Sf7
        • threat
          • 3.Se3#
        • 2...Sd1
          • 3.Sd6#
        • 2...Sd5
          • 3.Sd6#
    • 1...Se3
      • 2.Sxe3#
    • 1...b6
      • 2.Sc6
        • threat
          • 3.Se7#
        • 2...Sb2
          • 3.Se3#
        • 2...Sc3
          • 3.Se3#
      • 2.Sg6
        • threat
          • 3.Se7#
        • 2...Sb2
          • 3.Se3#
        • 2...Sc3
          • 3.Se3#
      • 2.Sf7
        • threat
          • 3.Sd6#
        • 2...Sb2
          • 3.Se3#
        • 2...Sc3
          • 3.Se3#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sd6#
      • 1...Bc7
        • 2.Sge3+
          • 2...Sxe3
            • 3.Sxe3#
        • 2.Sce3+
          • 2...Sxe3
            • 3.Sxe3#
      • 1...Bxc4!
    • 1.Sg6?
      • threat
        • 2.Se7#
      • 1...Sb2
        • 2.Se3#
      • 1...Sc3
        • 2.Se3#
      • 1...Bd8!
    • 1.Sf7?
      • threat
        • 2.Sd6#
      • 1...Sb2
        • 2.Se3#
      • 1...Sc3
        • 2.Se3#
      • 1...Bc7!
  • Keys
    • 1.d3!
      • threat
        • 2.g4+
          • 2...hxg4
            • 3.fxg4#
      • 1...Sb2
        • 2.Sg6
          • threat
            • 3.Se3#
          • 2...Sd1
            • 3.Se7#
          • 2...Sc4
            • 3.Se7#
      • 1...Sc3
        • 2.Sf7
          • threat
            • 3.Se3#
          • 2...Sd1
            • 3.Sd6#
          • 2...Sd5
            • 3.Sd6#

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).