Problem Display
PID: 192956 (8/8/5N2/3P4/1p6/1PpPQP2/2K2pp1/5krb w - - 0 1)

Hoffmann, Martin Wolfgang

Schweizerische Schachzeitung, 1984

8/8/5N2/3P4/1p6/1PpPQP2/2K2pp1/5krb

#4

7 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qb6!
      • threat
        • 2.Se4
          • threat
            • 3.Qxf2#
          • 2...Ke1
            • 3.Qxf2#
          • 2...Ke2
            • 3.Qxf2#
        • 2.Sg4
          • threat
            • 3.Qxf2#
          • 2...Ke1
            • 3.Qxf2#
          • 2...Ke2
            • 3.Qxf2#
      • 1...Ke1
        • 2.Qe6+
          • 2...Kf1
            • 3.Se4
              • threat
                • 4.Sg3#
              • 3...Ke1
                • 4.Sd2#
                • 4.Sg3#
              • 3...Ke2
                • 4.Sd2#
      • 1...Ke2
        • 2.Qe6+
          • 2...Kf1
            • 3.Se4
              • threat
                • 4.Sg3#
              • 3...Ke1
                • 4.Sd2#
                • 4.Sg3#
              • 3...Ke2
                • 4.Sd2#
          • 2...Kxf3
            • 3.Qg4+
              • 3...Ke3
                • 4.Qe4#

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).