Problem Display
PID: 49999 (8/1p1p4/1p6/kp3N2/1N6/1K6/8/8 w - - 0 1)

Knoppel, Jan Heribert

Schackvarlden, 1941

8/1p1p4/1p6/kp3N2/1N6/1K6/8/8

#3

3 + 5


3680 Jan Knoppel Udvalgte Skakproblemer 1955

SOLUTION


  • SOUND
  • Sets
    • 1...d5
      • 2.Sd6
        • 2...d4
          • 3.Sxb7#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Ka3
          • threat
            • 3.Sb3#
      • 1...d6
        • 2.Ka3
          • 2...d5
            • 3.Sb3#
      • 1...d5!
  • Keys
    • 1.Ka3!
      • threat
        • 2.Sd4
          • threat
            • 3.Sb3#
      • 1...d5
        • 2.Sd6
          • 2...d4
            • 3.Sxb7#
      • 1...d6
        • 2.Sd4
          • 2...d5
            • 3.Sb3#

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).