Problem Display
PID: 9080 (6n1/2k5/2N5/1QB5/5K2/8/8/8 w - - 0 1)

Froberg, Johan Hilding Laurentius

Skakbladet, 1968

6n1/2k5/2N5/1QB5/5K2/8/8/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Sa7?
      • threat
        • 2.Qc6+
          • 2...Kb8
            • 3.Qc8#
          • 2...Kd8
            • 3.Qc8#
      • 1...Kd8
        • 2.Qc6
          • threat
            • 3.Qc8#
          • 2...Se7
            • 3.Bb6#
        • 2.Qb8+
          • 2...Kd7
            • 3.Qc8#
      • 1...Se7!
    • 1.Se7?
      • threat
        • 2.Qc6+
          • 2...Kb8
            • 3.Qc8#
          • 2...Kd8
            • 3.Qc8#
      • 1...Kd8
        • 2.Qc6
          • threat
            • 3.Qc8#
          • 2...Sxe7
            • 3.Bb6#
        • 2.Qb8+
          • 2...Kd7
            • 3.Qc8#
      • 1...Sxe7!
    • 1.Qb8+?
      • 1...Kd7
        • 2.Se5+
          • 2...Ke6
            • 3.Qd6#
      • 1...Kxc6!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Qc6+
          • 2...Kb8
            • 3.Qb7#
          • 2...Kd8
            • 3.Sb7#
      • 1...Kc8
        • 2.Qc6+
          • 2...Kb8
            • 3.Qb7#
          • 2...Kd8
            • 3.Sb7#
      • 1...Kd8
        • 2.Qc6
          • threat
            • 3.Sb7#
      • 1...Se7
        • 2.Bxe7
          • 2...Kc8
            • 3.Qb7#

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).