Problem Display
PID: 248519 (8/P1Pn4/nk4pQ/1Pp5/Kb3p2/5Bqb/8/8 w - - 0 1)

Schaaf, Ernst Carl

Die Schwalbe, 1961

8/P1Pn4/nk4pQ/1Pp5/Kb3p2/5Bqb/8/8

#4

6 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qd6+
          • 2...Kxa7
            • 3.Qxa6#
            • 3.c8S#
      • 1...Qxf3
        • 2.Qd6+
          • 2...Kb7
            • 3.a8Q+
              • 3...Kxa8
                • 4.Qxa6#
          • 2...Qc6
            • 3.Qxc6+
              • 3...Kxa7
                • 4.Qxa6#
            • 3.c8S+
              • 3...Kb7
                • 4.Qxc6#
      • 1...c4
        • 2.a8S+
          • 2...Ka7
            • 3.Qb8+
              • 3...Saxb8
                • 4.c8S#
              • 3...Sdxb8
                • 4.b6#

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).