Problem Display
PID: 196151 (8/8/3k4/3N4/6N1/8/8/3Q2K1 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Deutsches Wochenschach, 1919

8/8/3k4/3N4/6N1/8/8/3Q2K1

#4

4 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Sgf6!
      • 1...Kc5
        • 2.Qb3
          • threat
            • 3.Qb4+
              • 3...Kc6
                • 4.Qb6#
          • 2...Kd6
            • 3.Qe3
              • 3...Kc6
                • 4.Qb6#
      • 1...Ke5
        • 2.Qe1+
          • 2...Kf5
            • 3.Qe8
              • 3...Kg5
                • 4.Qh5#
          • 2...Kd6
            • 3.Qe3
              • 3...Kc6
                • 4.Qb6#
      • 1...Kc6
        • 2.Qb3
          • threat
            • 3.Qb6#
          • 2...Kc5
            • 3.Qb4+
              • 3...Kc6
                • 4.Qb6#
          • 2...Kd6
            • 3.Qe3
              • 3...Kc6
                • 4.Qb6#
        • 2.Qd4
          • threat
            • 3.Qb6#
          • 2...Kb5
            • 3.Qb4+
              • 3...Ka6
                • 4.Qb6#
              • 3...Kc6
                • 4.Qb6#
          • 2...Kd6
            • 3.Qe3
              • 3...Kc6
                • 4.Qb6#
          • 2...Kb7
            • 3.Qb6+
              • 3...Ka8
                • 4.Sc7#
              • 3...Kc8
                • 4.Se7#
                • 4.Qc7#
      • 1...Ke6
        • 2.Qe2+
          • 2...Kf5
            • 3.Qe8
              • 3...Kg5
                • 4.Qh5#
          • 2...Kd6
            • 3.Qe3
              • 3...Kc6
                • 4.Qb6#
          • 2...Kf7
            • 3.Qg4
              • 3...Kf8
                • 4.Qg8#

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).