Problem Display
PID: 254501 (8/8/8/3p4/3N4/NK1p4/2P1P3/k2n4 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1966

8/8/8/3p4/3N4/NK1p4/2P1P3/k2n4

#3

5 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Sb2
      • 2.cxd3
        • threat
          • 3.Sdc2#
    • 1...Sf2
      • 2.cxd3
        • threat
          • 3.Sdc2#
    • 1...Sc3
      • 2.cxd3
        • threat
          • 3.Sdc2#
    • 1...Se3
      • 2.cxd3
        • 2...Sd1
          • 3.Sdc2#
        • 2...Sf1
          • 3.Sdc2#
        • 2...Sc2
          • 3.Sdxc2#
        • 2...Sg2
          • 3.Sdc2#
        • 2...Sc4
          • 3.Sdc2#
        • 2...Sg4
          • 3.Sdc2#
        • 2...Sf5
          • 3.Sdc2#
    • 1...dxc2
      • 2.Sdxc2#
  • Tries
    • 1.exd3?
      • 1...Sb2
        • 2.c3
          • threat
            • 3.Sdc2#
      • 1...Sf2
        • 2.c3
          • threat
            • 3.Sdc2#
      • 1...Se3
        • 2.c3
          • 2...Sd1
            • 3.Sdc2#
          • 2...Sf1
            • 3.Sdc2#
          • 2...Sc2
            • 3.Sdxc2#
          • 2...Sg2
            • 3.Sdc2#
          • 2...Sc4
            • 3.Sdc2#
          • 2...Sg4
            • 3.Sdc2#
          • 2...Sf5
            • 3.Sdc2#
      • 1...Sc3!
    • 1.e3?
      • 1...Sxe3
        • 2.cxd3
          • 2...Sd1
            • 3.Sdc2#
          • 2...Sf1
            • 3.Sdc2#
          • 2...Sc2
            • 3.Sdxc2#
          • 2...Sg2
            • 3.Sdc2#
          • 2...Sc4
            • 3.Sdc2#
          • 2...Sg4
            • 3.Sdc2#
          • 2...Sf5
            • 3.Sdc2#
      • 1...Sb2
        • 2.cxd3
          • threat
            • 3.Sdc2#
      • 1...Sf2
        • 2.cxd3
          • threat
            • 3.Sdc2#
      • 1...Sc3
        • 2.cxd3
          • threat
            • 3.Sdc2#
      • 1...d2!
  • Keys
    • 1.c3!
      • 1...Sxc3
        • 2.exd3
          • threat
            • 3.Sdc2#
      • 1...Sb2
        • 2.exd3
          • threat
            • 3.Sdc2#
      • 1...Sf2
        • 2.exd3
          • threat
            • 3.Sdc2#
      • 1...Se3
        • 2.exd3
          • 2...Sd1
            • 3.Sdc2#
          • 2...Sf1
            • 3.Sdc2#
          • 2...Sc2
            • 3.Sdxc2#
          • 2...Sg2
            • 3.Sdc2#
          • 2...Sc4
            • 3.Sdc2#
          • 2...Sg4
            • 3.Sdc2#
          • 2...Sf5
            • 3.Sdc2#

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).