Problem Display
PID: 247429 (4B1k1/2KN4/3p3p/8/6P1/1p6/1B6/8 w - - 0 1)

Buhelt, Alfred Valdemar Knudsen

Stella Polaris, 1968

4B1k1/2KN4/3p3p/8/6P1/1p6/1B6/8

#4

5 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Kxd6!
      • threat
        • 2.Ke7
          • threat
            • 3.Bf7+
              • 3...Kh7
                • 4.Sf8#
            • 3.Sf8
              • 3...h5
                • 4.Bf7#
          • 2...Kh7
            • 3.Sf8+
              • 3...Kg8
                • 4.Bf7#
          • 2...h5
            • 3.Sf8
              • threat
                • 4.Bf7#
      • 1...Kh7
        • 2.Sf8+
          • 2...Kg8
            • 3.Ke7
              • 3...h5
                • 4.Bf7#
        • 2.Bf7
          • 2...h5
            • 3.g5
              • 3...h4
                • 4.Sf8#
      • 1...h5
        • 2.g5
          • threat
            • 3.g6
              • 3...h4
                • 4.Bf7#
          • 2...Kh7
            • 3.Bf7
              • 3...h4
                • 4.Sf8#
          • 2...h4
            • 3.g6
              • 3...h3
                • 4.Bf7#

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).