Problem Display
PID: 236073 (8/8/8/Q7/8/8/4p2K/5k2 w - - 0 1)

Willmann, Paul

Der Tagesspiegel (Berlin), 1949

8/8/8/Q7/8/8/4p2K/5k2

#4

2 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qf4+
          • 2...Ke1
            • 3.Qd4
              • 3...Kf1
                • 4.Qg1#
        • 2.Qd3
          • 2...Ke1
            • 3.Qd4
              • 3...Kf1
                • 4.Qg1#
          • 2...Kf2
            • 3.Qg3+
              • 3...Kf1
                • 4.Qg1#
      • 1...Kf2
        • 2.Qf4+
          • 2...Ke1
            • 3.Qd4
              • 3...Kf1
                • 4.Qg1#
      • 1...e1S
        • 2.Kg3
          • threat
            • 3.Qf2#
          • 2...Sd3
            • 3.Qe3
              • 3...Sf2
                • 4.Qxf2#
              • 3...Sc1
                • 4.Qf2#
              • 3...Se1
                • 4.Qf2#
              • 3...Sb2
                • 4.Qf2#
              • 3...Sb4
                • 4.Qf2#
              • 3...Sf4
                • 4.Qf2#
              • 3...Sc5
                • 4.Qf2#
              • 3...Se5
                • 4.Qf2#

FEATURES


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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).