Problem Display
PID: 201839 (4Q3/8/8/3kB3/P7/P7/8/4K3 w - - 0 1)

Pauly, Wolfgang

Chess Amateur (The), 1924

4Q3/8/8/3kB3/P7/P7/8/4K3

#4

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qe7!
      • 1...Kc4
        • 2.Qe6+
          • 2...Kd3
            • 3.Qg4
              • threat
                • 4.Qe2#
              • 3...Kc2
                • 4.Qd1#
              • 3...Ke3
                • 4.Qe2#
          • 2...Kc5
            • 3.Qb3
              • 3...Kc6
                • 4.Qb5#
      • 1...Ke4
        • 2.Qe6
          • 2...Kd3
            • 3.Qg4
              • threat
                • 4.Qe2#
              • 3...Kc2
                • 4.Qd1#
              • 3...Ke3
                • 4.Qe2#
          • 2...Ke3
            • 3.Qc4
              • 3...Kf3
                • 4.Qe2#
            • 3.Qg4
              • 3...Kd3
                • 4.Qe2#
          • 2...Kf3
            • 3.Qc4
              • threat
                • 4.Qe2#
              • 3...Kg2
                • 4.Qf1#
              • 3...Ke3
                • 4.Qe2#
      • 1...Kc6
        • 2.Qd8
          • 2...Kc5
            • 3.Qa5+
              • 3...Kc4
                • 4.Qb5#
              • 3...Kc6
                • 4.Qb5#
          • 2...Kb7
            • 3.Qa5
              • 3...Kc6
                • 4.Qb5#
              • 3...Kc8
                • 4.Qc7#

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).