Problem Display
PID: 186466 (4B3/bp2K3/b7/2pk2p1/4p1N1/1PP1P1P1/4PPP1/8 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Arbeiter Schachzeitung, 1911

4B3/bp2K3/b7/2pk2p1/4p1N1/1PP1P1P1/4PPP1/8

#4

10 + 7


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.f4!
      • threat
        • 2.Sf6#
      • 1...gxf4
        • 2.Sf6+
          • 2...Ke5
            • 3.gxf4+
              • 3...Kf5
                • 4.g4#
      • 1...exf4 ep
        • 2.e4+
          • 2...Kxe4
            • 3.gxf3+
              • 3...Kd5
                • 4.e4#
              • 3...Kf5
                • 4.e4#
      • 1...c4
        • 2.Sf6+
          • 2...Kc5
            • 3.b4+
              • 3...Kb6
                • 4.Sd5#

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).