Problem Display
PID: 65524 (3R1r2/4K2p/5p1r/6p1/3QN1kP/5b2/8/5N2 w - - 0 1)

Smigielski, L

Schachzeitung der Berliner Schachgesellschaft, 1856

3R1r2/4K2p/5p1r/6p1/3QN1kP/5b2/8/5N2

#4

6 + 7


SOLUTION


  • COOKED
  • Keys
    • 1.Sf2+!
      • 1...Kf5
        • 2.Sg3+
          • 2...Kg6
            • 3.Qxf6+
              • 3...Rxf6
                • 4.Rg8#
        • 2.Rxf8
          • threat
            • 3.Sg3+
              • 3...Kg6
                • 4.Rg8#
                • 4.Qxf6#
            • 3.Rxf6+
              • 3...Rxf6
                • 4.Qxf6#
            • 3.Rg8
              • threat
                • 4.Se3#
                • 4.Sg3#
              • 3...Be4
                • 4.Qxe4#
          • 2...Kg6
            • 3.Rg8+
              • 3...Kf5
                • 4.Se3#
                • 4.Sg3#
              • 3...Kh5
                • 4.Sg3#
            • 3.Qxf6+
              • 3...Kh5
                • 4.Qxg5#
          • 2...gxh4
            • 3.Rxf6+
              • 3...Kg5
                • 4.Qe5#
              • 3...Rxf6
                • 4.Qxf6#
      • 1...Kh5
        • 2.Sg3+
          • 2...Kg6
            • 3.Qxf6+
              • 3...Rxf6
                • 4.Rg8#
    • 1.Sxg5+!
      • 1...Kf5
        • 2.Sg3+
          • 2...Kg6
            • 3.Qxf6+
              • 3...Rxf6
                • 4.Rg8#
      • 1...Kh5
        • 2.Sg3+
          • 2...Kg6
            • 3.Qxf6+
              • 3...Rxf6
                • 4.Rg8#

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).