Problem Display
PID: 19997 (8/5k2/4p3/2Q4K/8/7N/8/8 w - - 0 1)

Havel, Miroslav

Zlata Praha, 1912

8/5k2/4p3/2Q4K/8/7N/8/8

#4

3 + 2


6024 Bohemian Garnets 1923
45 Schach 1951
4312 Ceske Granaty 1975

SOLUTION


  • SOUND
  • Keys
    • 1.Qd6!
      • 1...Kf6
        • 2.Kh6
          • 2...Kf7
            • 3.Qd8
              • 3...e5
                • 4.Sg5#
      • 1...Kg7
        • 2.Qe7+
          • 2...Kg8
            • 3.Kg6
              • threat
                • 4.Qd8#
                • 4.Qg7#
                • 4.Qe8#
              • 3...Kh8
                • 4.Qd8#
                • 4.Qf8#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
            • 3.Kh6
              • threat
                • 4.Qg7#
                • 4.Qe8#
              • 3...Kh8
                • 4.Qd8#
                • 4.Qf8#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
          • 2...Kh8
            • 3.Qf8+
              • 3...Kh7
                • 4.Sg5#
            • 3.Kg6
              • threat
                • 4.Qd8#
                • 4.Qf8#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
              • 3...Kg8
                • 4.Qd8#
                • 4.Qg7#
                • 4.Qe8#
            • 3.Kh6
              • threat
                • 4.Qd8#
                • 4.Qf8#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qe8#
              • 3...Kg8
                • 4.Qg7#
                • 4.Qe8#
      • 1...Ke8
        • 2.Kg6
          • 2...e5
            • 3.Kf6
              • 3...e4
                • 4.Qe7#
      • 1...e5
        • 2.Qd7+
          • 2...Kf6
            • 3.Sf2
              • 3...e4
                • 4.Sg4#
          • 2...Kf8
            • 3.Kg6
              • threat
                • 4.Qf7#
                • 4.Qd8#
              • 3...Kg8
                • 4.Qc8#
                • 4.Qe8#
                • 4.Qg7#
                • 4.Qd8#
          • 2...Kg8
            • 3.Kg6
              • threat
                • 4.Qc8#
                • 4.Qe8#
                • 4.Qg7#
                • 4.Qd8#
              • 3...Kf8
                • 4.Qf7#
                • 4.Qd8#
              • 3...Kh8
                • 4.Qc8#
                • 4.Qe8#
                • 4.Qg7#
                • 4.Qh7#
                • 4.Qd8#

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).