Problem Display
PID: 257054 (8/8/5Q2/6Nk/8/6p1/8/K7 w - - 0 1)

Havran, Jozef

Sachove umeni (Ceskoslovensky sach), 1974

8/8/5Q2/6Nk/8/6p1/8/K7

#4

3 + 2


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Qf5!
      • threat
        • 2.Sf7+
          • 2...Kh4
            • 3.Se5
              • 3...g2
                • 4.Qg4#
            • 3.Sh6
              • 3...g2
                • 4.Qg4#
      • 1...Kh6
        • 2.Se6
          • 2...g2
            • 3.Qg5+
              • 3...Kh7
                • 4.Qg7#
            • 3.Qf6+
              • 3...Kh5
                • 4.Qg5#
              • 3...Kh7
                • 4.Qg7#
      • 1...g2
        • 2.Se6+
          • 2...Kh4
            • 3.Qf4+
              • 3...Kh3
                • 4.Sg5#
              • 3...Kh5
                • 4.Qg5#
          • 2...Kh6
            • 3.Qg5+
              • 3...Kh7
                • 4.Qg7#
            • 3.Qf6+
              • 3...Kh5
                • 4.Qg5#
              • 3...Kh7
                • 4.Qg7#
        • 2.Sf7+
          • 2...Kh4
            • 3.Qf4+
              • 3...Kh3
                • 4.Sg5#
              • 3...Kh5
                • 4.Qg5#

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).