Problem Display
PID: 61803 (4k3/5r2/4NR2/7r/2K1Q3/8/8/8 w - - 0 1)

von Salpius, B

Schachzeitung der Berliner Schachgesellschaft, 1848

4k3/5r2/4NR2/7r/2K1Q3/8/8/8

#4

4 + 3


SOLUTION


  • COOKED
  • Keys
    • 1.Sg5+!
      • 1...Kd8
        • 2.Rxf7
          • threat
            • 3.Qa8#
          • 2...Rh4
            • 3.Qxh4
              • threat
                • 4.Qh8#
              • 3...Kc8
                • 4.Qh8#
              • 3...Ke8
                • 4.Qh8#
      • 1...Re7
        • 2.Qc6+
          • 2...Kd8
            • 3.Rd6+
              • 3...Rd7
                • 4.Qxd7#
            • 3.Rf8+
              • 3...Re8
                • 4.Rxe8#
          • 2...Rd7
            • 3.Qc8+
              • 3...Ke7
                • 4.Re6#
                • 4.Qf8#
              • 3...Rd8
                • 4.Qe6#
    • 1.Qa8+!
      • 1...Kd7
        • 2.Qd8+
          • 2...Kc6
            • 3.Qc7+
              • 3...Rxc7
                • 4.Sc5#

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).