Problem Display
PID: 31632 (8/1N3p1n/8/1N1p1K2/6p1/1RBk3p/8/8 w - - 0 1)

Dubbe, Friedrich

Deutsche Schachzeitung, 1898

8/1N3p1n/8/1N1p1K2/6p1/1RBk3p/8/8

#4

5 + 6


3429 Friedrich Dubbe ein Deutscher Problemmeister 1938

SOLUTION


  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Ba5+
          • 2...Kc4
            • 3.Bb6
              • threat
                • 4.Sa5#
                • 4.Sd6#
          • 2...Kxd4
            • 3.Bb6+
              • 3...Kc4
                • 4.Sa5#
        • 2.Sd6
          • threat
            • 3.Be1+
              • 3...Kxd4
                • 4.Bf2#
            • 3.Ba5+
              • 3...Kxd4
                • 4.Bb6#
          • 2...Ke3
            • 3.Be1+
              • 3...Kxd4
                • 4.Bf2#
      • 1...Ke3
        • 2.Be1+
          • 2...Kxd4
            • 3.Bf2+
              • 3...Kc4
                • 4.Sa5#
      • 1...Kc4
        • 2.Ba5
          • threat
            • 3.Bb6
              • threat
                • 4.Sa5#
                • 4.Sd6#
          • 2...Kxd4
            • 3.Bb6+
              • 3...Kc4
                • 4.Sa5#

FEATURES


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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).