Problem Display
PID: 69260 (8/R6p/6k1/4K3/4P3/3p4/3P4/3B4 w - - 0 1)

de Jong, Leonard Nicholaas

Tijdschrift vd NSB, 1897

8/R6p/6k1/4K3/4P3/3p4/3P4/3B4

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Kf4!
      • 1...Kf6
        • 2.Bg4
          • threat
            • 3.Bf5
              • threat
                • 4.e5#
          • 2...Kg6
            • 3.Bf5+
              • 3...Kh5
                • 4.Rxh7#
              • 3...Kf6
                • 4.e5#
              • 3...Kh6
                • 4.Rxh7#
          • 2...h5
            • 3.Bf5
              • 3...h4
                • 4.e5#
          • 2...h6
            • 3.Bf5
              • 3...h5
                • 4.e5#
      • 1...Kh6
        • 2.Bg4
          • 2...Kg6
            • 3.Bf5+
              • 3...Kh5
                • 4.Rxh7#
              • 3...Kf6
                • 4.e5#
              • 3...Kh6
                • 4.Rxh7#
      • 1...h5
        • 2.Bxh5+
          • 2...Kxh5
            • 3.Ra6
              • 3...Kh4
                • 4.Rh6#
          • 2...Kf6
            • 3.e5+
              • 3...Ke6
                • 4.Bf7#
          • 2...Kh6
            • 3.Kf5
              • 3...Kxh5
                • 4.Rh7#
      • 1...h6
        • 2.Bh5+
          • 2...Kxh5
            • 3.Ra6
              • 3...Kh4
                • 4.Rxh6#
          • 2...Kf6
            • 3.e5+
              • 3...Ke6
                • 4.Bf7#
        • 2.Bg4
          • 2...Kf6
            • 3.Bf5
              • 3...h5
                • 4.e5#
          • 2...h5
            • 3.Bf5+
              • 3...Kf6
                • 4.e5#
              • 3...Kh6
                • 4.Rh7#

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).