Problem Display
PID: 175301 (8/K5Np/1p5N/4k2p/8/8/3Q4/8 w - - 0 1)

Prikryl, Bohuzlav

Sachove listy, 1901

8/K5Np/1p5N/4k2p/8/8/3Q4/8

#4

4 + 4


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Kxb6!
      • 1...Ke4
        • 2.Sxh5
          • 2...Kf3
            • 3.Kc5
              • 3...Ke4
                • 4.Qe2#
          • 2...Ke5
            • 3.Kc5
              • threat
                • 4.Qe1#
                • 4.Qe3#
                • 4.Qe2#
                • 4.Qd5#
              • 3...Ke4
                • 4.Qe2#
              • 3...Ke6
                • 4.Qd6#
      • 1...Kf6
        • 2.Qf4+
          • 2...Kg6
            • 3.Se6
              • 3...h4
                • 4.Qg5#
          • 2...Ke7
            • 3.Sg8+
              • 3...Kd7
                • 4.Qc7#
              • 3...Kd8
                • 4.Qc7#
            • 3.Qe5+
              • 3...Kd7
                • 4.Qc7#
              • 3...Kd8
                • 4.Qc7#
                • 4.Qe8#
              • 3...Kf8
                • 4.Qf6#
            • 3.Qf7+
              • 3...Kd6
                • 4.Qe6#
              • 3...Kd8
                • 4.Qe8#
                • 4.Qc7#
            • 3.Kc6
              • threat
                • 4.Qd6#
              • 3...Kd8
                • 4.Qc7#
                • 4.Qf8#
            • 3.Kc7
              • 3...h4
                • 4.Sg8#
                • 4.Qd6#
                • 4.Qf7#
          • 2...Kxg7
            • 3.Qf7+
              • 3...Kxh6
                • 4.Qf6#
              • 3...Kh8
                • 4.Qg8#
                • 4.Qf6#
                • 4.Qf8#
      • 1...h4
        • 2.Sg4+
          • 2...Ke4
            • 3.Qe3+
              • 3...Kd5
                • 4.Qd3#

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).