Problem Display
PID: 33722 (8/8/N6R/pk6/8/3P4/8/K7 w - - 0 1)

Zucker, Manfred

1/2 Prize, Furth im Wald, 1986

8/8/N6R/pk6/8/3P4/8/K7

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kb2!
      • threat
        • 2.Sc7+
          • 2...Kb4
            • 3.Rh5
              • 3...Ka4
                • 4.Rh4#
              • 3...a4
                • 4.Sa6#
                • 4.Rb5#
          • 2...Kc5
            • 3.Kc3
              • 3...a4
                • 4.d4#
        • 2.Kc3
          • 2...Ka4
            • 3.Rh5
              • 3...Ka3
                • 4.Rxa5#
          • 2...a4
            • 3.Sc7+
              • 3...Ka5
                • 4.Ra6#
              • 3...Kc5
                • 4.d4#
      • 1...Ka4
        • 2.Sc7
          • 2...Kb4
            • 3.Rh5
              • 3...Ka4
                • 4.Rh4#
              • 3...a4
                • 4.Sa6#
                • 4.Rb5#
      • 1...a4
        • 2.Kc3
          • threat
            • 3.Sc7+
              • 3...Ka5
                • 4.Ra6#
              • 3...Kc5
                • 4.d4#
          • 2...Ka5
            • 3.Sc7
              • 3...a3
                • 4.Ra6#
          • 2...a3
            • 3.Sc7+
              • 3...Ka4
                • 4.Ra6#
              • 3...Ka5
                • 4.Ra6#
              • 3...Kc5
                • 4.d4#

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).