Problem Display
PID: 62215 (6N1/4N1kp/5p2/3R3P/6P1/6K1/8/8 w - - 0 1)

von Oppen, Otto Heinrich Alexander

Schachzeitung der Berliner Schachgesellschaft, 1851

6N1/4N1kp/5p2/3R3P/6P1/6K1/8/8

#4

6 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sh6!
      • threat
        • 2.Sef5+
          • 2...Kf8
            • 3.Rd8#
          • 2...Kh8
            • 3.Rd8#
      • 1...Kxh6
        • 2.Sf5+
          • 2...Kg5
            • 3.Rd7
              • 3...h6
                • 4.Rg7#
            • 3.Rd8
              • 3...h6
                • 4.Rg8#
      • 1...Kf8
        • 2.Sef5
          • 2...Ke8
            • 3.Kf2
              • 3...Kf8
                • 4.Rd8#
            • 3.Kg2
              • 3...Kf8
                • 4.Rd8#
            • 3.Kh2
              • 3...Kf8
                • 4.Rd8#
            • 3.Kf3
              • 3...Kf8
                • 4.Rd8#
            • 3.Kh3
              • 3...Kf8
                • 4.Rd8#
            • 3.Kf4
              • 3...Kf8
                • 4.Rd8#
            • 3.Kh4
              • 3...Kf8
                • 4.Rd8#
            • 3.Rd1
              • 3...Kf8
                • 4.Rd8#
            • 3.Rd2
              • 3...Kf8
                • 4.Rd8#
            • 3.Rd3
              • 3...Kf8
                • 4.Rd8#
            • 3.Rd4
              • 3...Kf8
                • 4.Rd8#
            • 3.Rd6
              • 3...Kf8
                • 4.Rd8#
      • 1...f5
        • 2.Sexf5+
          • 2...Kf6
            • 3.Kf4
              • 3...Ke6
                • 4.Rd6#

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).