Problem Display
PID: 198027 (8/8/8/1p4Qp/5p1p/1K3p1N/5Pnp/7k w - - 0 1)

Takacs, Peter

Deutsches Wochenschach, 1921

8/8/8/1p4Qp/5p1p/1K3p1N/5Pnp/7k

#4

4 + 8


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qa1+
          • 2...Se1
            • 3.Qxe1+
              • 3...Kg2
                • 4.Sxf4#
            • 3.Sxf4
              • threat
                • 4.Qxe1#
              • 3...Kg1
                • 4.Qxe1#
      • 1...Se1
        • 2.Sxf4
          • threat
            • 3.Qa1
              • threat
                • 4.Qxe1#
              • 3...Kg1
                • 4.Qxe1#
          • 2...Sg2
            • 3.Qa1+
              • 3...Se1
                • 4.Qxe1#
          • 2...Sc2
            • 3.Kxc2
              • threat
                • 4.Qa1#
          • 2...Sd3
            • 3.Qa1+
              • 3...Sc1+
                • 4.Qxc1#
              • 3...Se1
                • 4.Qxe1#
      • 1...Se3
        • 2.fxe3
          • threat
            • 3.Sf2#
          • 2...fxe3
            • 3.Kb4
              • 3...e2
                • 4.Sf2#
              • 3...f2
                • 4.Qb7#

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).