Problem Display
PID: 174417 (1N6/2p1p3/3p4/K1k3n1/3N2P1/1P1PP3/8/8 w - - 0 1)

de Jong, Leonard Nicholaas

Dutch Problem Archive, 1910

1N6/2p1p3/3p4/K1k3n1/3N2P1/1P1PP3/8/8

#3

7 + 5


14986 White-Hume Collection 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Kd5
        • 2.Sf4+
          • 2...Kc5
            • 3.b4#
            • 3.d4#
          • 2...Ke5
            • 3.Sd7#
        • 2.Sxc7+
          • 2...Kc5
            • 3.b4#
            • 3.d4#
          • 2...Ke5
            • 3.Sd7#
      • 1...Sxe6!
  • Keys
    • 1.Sb5!
      • 1...Kd5
        • 2.Sxc7+
          • 2...Kc5
            • 3.b4#
            • 3.d4#
          • 2...Ke5
            • 3.Sd7#
      • 1...Sf3
        • 2.e4
          • threat
            • 3.b4#
      • 1...Sh3
        • 2.e4
          • threat
            • 3.b4#
            • 3.d4#
      • 1...Se4
        • 2.d4+
          • 2...Kd5
            • 3.Sxc7#
      • 1...Se6
        • 2.e4
          • threat
            • 3.b4#
      • 1...Sf7
        • 2.e4
          • threat
            • 3.b4#
            • 3.d4#
      • 1...Sh7
        • 2.e4
          • threat
            • 3.b4#
            • 3.d4#
      • 1...c6
        • 2.Sd7+
          • 2...Kd5
            • 3.Sc7#
      • 1...e5
        • 2.b4+
          • 2...Kd5
            • 3.Sxc7#
      • 1...e6
        • 2.d4+
          • 2...Kd5
            • 3.Sc3#

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).