Problem Display
PID: 273347 (K7/8/N7/k4p2/B3N3/3p3p/6nr/1R4br w - - 0 1)

Froberg, Johan Hilding Laurentius

Springaren, 1990

K7/8/N7/k4p2/B3N3/3p3p/6nr/1R4br

#3

5 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sc4+
          • 2...Kxa4
            • 3.Rb4#
          • 2...Kxa6
            • 3.Bb5#
      • 1...Kxa4
        • 2.Sc4
          • threat
            • 3.Rb4#
          • 2...Bc5
            • 3.Sxc5#
      • 1...Kxa6
        • 2.Sc4
          • threat
            • 3.Bb5#
      • 1...Bc5
        • 2.Sc4+
          • 2...Kxa4
            • 3.Sxc5#
          • 2...Kxa6
            • 3.Bb5#
      • 1...Bb6
        • 2.Sc4+
          • 2...Kxa4
            • 3.Rb4#
          • 2...Kxa6
            • 3.Bb5#
            • 3.Rxb6#
      • 1...Se3!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sc4+
          • 2...Kxa4
            • 3.Rb4#
          • 2...Kxa6
            • 3.Bb5#
      • 1...Kxa4
        • 2.Sc4
          • threat
            • 3.Rb4#
          • 2...Bc5
            • 3.Sxc5#
      • 1...Kxa6
        • 2.Sc4
          • threat
            • 3.Bb5#
      • 1...Bc5
        • 2.Sc4+
          • 2...Kxa4
            • 3.Sxc5#
          • 2...Kxa6
            • 3.Bb5#
      • 1...Bb6
        • 2.Sc4+
          • 2...Kxa4
            • 3.Rb4#
          • 2...Kxa6
            • 3.Bb5#
            • 3.Rxb6#
      • 1...Se3
        • 2.Sc5
          • threat
            • 3.Rb5#

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).