Problem Display
PID: 25356 (8/7R/k7/8/8/1K6/1N6/8 w - - 0 1)

Seeberger, Johannes

Schachzeitung der Berliner Schachgesellschaft, 1860

8/7R/k7/8/8/1K6/1N6/8

#4

3 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Sa4!
      • threat
        • 2.Kc4
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka5
        • 2.Kc4
          • threat
            • 3.Ra7#
          • 2...Ka6
            • 3.Kc5
              • 3...Ka5
                • 4.Ra7#
            • 3.Rc7
              • 3...Ka5
                • 4.Ra7#
            • 3.Rd7
              • 3...Ka5
                • 4.Ra7#
            • 3.Re7
              • 3...Ka5
                • 4.Ra7#
            • 3.Rf7
              • 3...Ka5
                • 4.Ra7#
            • 3.Rg7
              • 3...Ka5
                • 4.Ra7#
      • 1...Kb5
        • 2.Rh6
          • 2...Ka5
            • 3.Kc4
              • 3...Kxa4
                • 4.Ra6#

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).