Problem Display
PID: 210800 (4b3/7n/r1N1PP1p/7k/rp4pb/3Q4/4N2K/8 w - - 0 1)

Willmers, Rudolf Heinrich

Vasarnapi Ujsag, 1861

4b3/7n/r1N1PP1p/7k/rp4pb/3Q4/4N2K/8

#4

6 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qb5+!
      • 1...Bg5
        • 2.Se7
          • threat
            • 3.Sg3+
              • 3...Kh4
                • 4.Sef5#
            • 3.Sf4+
              • 3...Kh4
                • 4.Sf5#
            • 3.Qxe8+
              • 3...Kh4
                • 4.Sf5#
          • 2...g3+
            • 3.Kh3
              • threat
                • 4.Sxg3#
                • 4.Sf4#
                • 4.Qxe8#
          • 2...Kh4
            • 3.Sf5+
              • 3...Kh5
                • 4.Qxe8#
          • 2...Bxb5
            • 3.Sg3+
              • 3...Kh4
                • 4.Sef5#
                • 4.Sg6#
          • 2...Bc6
            • 3.Sg3+
              • 3...Kh4
                • 4.Sef5#
                • 4.Sg6#
            • 3.Sf4+
              • 3...Kh4
                • 4.Sf5#
                • 4.Seg6#
          • 2...Bg6
            • 3.Sg3+
              • 3...Kh4
                • 4.Sxg6#
            • 3.Sf4+
              • 3...Kh4
                • 4.Sexg6#
          • 2...Bd7
            • 3.Sg3+
              • 3...Kh4
                • 4.Sef5#
                • 4.Sg6#
            • 3.Sf4+
              • 3...Kh4
                • 4.Sf5#
                • 4.Seg6#

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).