Problem Display
PID: 45097 (1Q6/8/8/8/4N1r1/5p1p/5p1p/5Kbk w - - 0 1)

Weber, F

Recomm., BCF 044. Ty., 1943-1944

1Q6/8/8/8/4N1r1/5p1p/5p1p/5Kbk

#3

3 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Rg2
      • 2.Qg3
        • 2...Rxg3
          • 3.Sxg3#
    • 1...Rg3
      • 2.Sxg3#
    • 1...Rf4
      • 2.Sg3#
    • 1...Rh4
      • 2.Sg3#
  • Tries
    • 1.Qxh2+?
      • 1...Bxh2
        • 2.Sxf2#
      • 1...Kxh2!
    • 1.Qg3?
      • threat
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg5
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg6
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg7
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg8
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rf4!
    • 1.Qb3?
      • threat
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg5
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg6
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg7
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg8
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg2!
    • 1.Qf8?
      • threat
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg5
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg6
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg7
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg8
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg2!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg2
        • 2.Qg3
          • 2...Rxg3
            • 3.Sxg3#
      • 1...Rg5
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg6
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg7
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#
      • 1...Rg8
        • 2.Qxf3+
          • 2...Rg2
            • 3.Sg3#

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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).