Problem Display
PID: 142125 (5Q2/8/8/4n3/3p2p1/7N/8/3K1Nbk w - - 0 1)

Froberg, Johan Hilding Laurentius

Thema Danicum, 1996

5Q2/8/8/4n3/3p2p1/7N/8/3K1Nbk

#3

4 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qxf2
        • threat
          • 3.Sg3#
          • 3.Qg1#
          • 3.Qh2#
    • 1...Sd3
      • 2.Qa8#
    • 1...Sc4
      • 2.Qa8#
    • 1...Sg6
      • 2.Qa8#
    • 1...Sd7
      • 2.Qa8#
    • 1...Sf7
      • 2.Qa8#
    • 1...gxh3
      • 2.Qa8+
        • 2...Sf3
          • 3.Qxf3#
        • 2...Sc6
          • 3.Qxc6#
  • Tries
    • 1.Sf2+?
      • 1...Bxf2
        • 2.Qxf2
          • threat
            • 3.Sg3#
            • 3.Qh2#
          • 2...g3
            • 3.Sxg3#
      • 1...Kg2!
    • 1.Qf2?
      • threat
        • 2.Sg3#
        • 2.Qxg1#
      • 1...gxh3
        • 2.Sg3#
      • 1...Bh2
        • 2.Qxh2#
      • 1...Sf3
        • 2.Sg3#
      • 1...g3
        • 2.Sxg3#
        • 2.Qxg1#
      • 1...Bxf2!
    • 1.Qa8+?
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sf3!
  • Keys
    • 1.Qf4!
      • 1...Kg2
        • 2.Qg3+
          • 2...Kxf1
            • 3.Qxg1#
          • 2...Kh1
            • 3.Qxg1#
      • 1...gxh3
        • 2.Qe4+
          • 2...Sf3
            • 3.Qxf3#
      • 1...Sf3
        • 2.Qxg4
          • threat
            • 3.Qxf3#
          • 2...Se1
            • 3.Qxg1#
          • 2...Sd2
            • 3.Qxg1#
          • 2...Sh2
            • 3.Qxg1#
          • 2...Sh4
            • 3.Qxg1#
          • 2...Se5
            • 3.Qxg1#
          • 2...Sg5
            • 3.Qxg1#
      • 1...d3
        • 2.Sf2+
          • 2...Kg2
            • 3.Se3#
          • 2...Bxf2
            • 3.Qh2#
      • 1...g3
        • 2.Qxg3
          • threat
            • 3.Qxg1#
          • 2...Bf2
            • 3.Sxf2#
            • 3.Qh2#
          • 2...Bh2
            • 3.Sf2#
            • 3.Qxh2#
          • 2...Be3
            • 3.Qh2#
          • 2...Sf3
            • 3.Qxf3#

FEATURES


NOT CLASSIFIED


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).