Problem Display
PID: 168085 (7n/2p2p2/5p1r/2B1P1P1/3N3p/5p2/n1PP1k1K/7R w - - 0 1)

Siers, Theodor

Prize, Hamburger Problem-Nachrichten, 1947

7n/2p2p2/5p1r/2B1P1P1/3N3p/5p2/n1PP1k1K/7R

#4

8 + 9


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.e6!
      • threat
        • 2.Sc6+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sd4#
      • 1...fxe6
        • 2.Sxe6+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sd4#
                • 4.Sf4#
      • 1...Sc1
        • 2.Sb5+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sc3#
                • 4.Sd4#
      • 1...Sc3
        • 2.Sb3+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sc1#
                • 4.Sd4#
      • 1...Sb4
        • 2.Sb3+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sc1#
                • 4.Sd4#
      • 1...h3
        • 2.Sf5+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sg3#
                • 4.Sd4#
      • 1...c6
        • 2.Sxc6+
          • 2...Ke2
            • 3.Be3
              • threat
                • 4.Sd4#

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).