Problem Display
PID: 220841 (1N6/8/8/kpK5/N1p5/1B6/8/8 w - - 0 1)

Curth, Heinz

Deutsche Schachzeitung, 1973

1N6/8/8/kpK5/N1p5/1B6/8/8

#4

4 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bd1!
      • threat
        • 2.Sb6
          • 2...c3
            • 3.Bc2
              • 3...b4
                • 4.Sc4#
      • 1...bxa4
        • 2.Bg4
          • threat
            • 3.Sc6+
              • 3...Ka6
                • 4.Bc8#
          • 2...a3
            • 3.Sc6+
              • 3...Ka4
                • 4.Bd1#
              • 3...Ka6
                • 4.Bc8#
      • 1...c3
        • 2.Sb6
          • threat
            • 3.Bc2
              • 3...b4
                • 4.Sc4#
          • 2...c2
            • 3.Bxc2
              • 3...b4
                • 4.Sc4#
      • 1...b4
        • 2.Sb2
          • threat
            • 3.Sxc4#
          • 2...b3
            • 3.Be2
              • 3...c3
                • 4.Sc6#

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).