Problem Display
PID: 5757 (1rnN4/q1b1p3/prp5/1np5/3p1P1k/pP3Q2/8/5K2 w - - 0 1)

Froberg, Johan Hilding Laurentius

2nd HM., Hultberg JT, 1987

1rnN4/q1b1p3/prp5/1np5/3p1P1k/pP3Q2/8/5K2

#3

5 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Sd6
      • 2.Kg2
        • threat
          • 3.Qh3#
  • Tries
    • 1.Sf7?
      • threat
        • 2.Kg2
          • threat
            • 3.Qh3#
        • 2.Sh6
          • threat
            • 3.Sf5#
            • 3.Qg4#
      • 1...Bxf4
        • 2.Qxf4+
          • 2...Kh3
            • 3.Sg5#
          • 2...Kh5
            • 3.Qg5#
      • 1...Be5
        • 2.Sxe5
          • threat
            • 3.Sg6#
            • 3.Qg4#
      • 1...Bd8
        • 2.Se5
          • threat
            • 3.Sg6#
            • 3.Qg4#
        • 2.Sh8
          • threat
            • 3.Sg6#
      • 1...Sbd6
        • 2.Se5
          • threat
            • 3.Sg6#
            • 3.Qg4#
        • 2.Sh6
          • threat
            • 3.Qg4#
        • 2.Sh8
          • threat
            • 3.Sg6#
      • 1...Scd6
        • 2.Sg5
          • threat
            • 3.Qh3#
      • 1...a2
        • 2.Kg2
          • threat
            • 3.Qh3#
      • 1...e6
        • 2.Kg2
          • threat
            • 3.Qh3#
        • 2.Sh6
          • threat
            • 3.Qg4#
      • 1...Bd6!
    • 1.Qg3+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kxg3!
  • Keys
    • 1.Se6!
      • threat
        • 2.Kg2
          • threat
            • 3.Qh3#
      • 1...Bxf4
        • 2.Qxf4+
          • 2...Kh3
            • 3.Sg5#
          • 2...Kh5
            • 3.Qg5#
      • 1...Sbd6
        • 2.Sf8
          • threat
            • 3.Sg6#
      • 1...Scd6
        • 2.Sg5
          • threat
            • 3.Qh3#

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).