Problem Display
PID: 195611 (8/2K5/3B4/8/4k3/p2N1N2/p7/rn1Q4 w - - 0 1)

Dehler, Otto Georg Edgar

Mitteilungsblatt des Deutschen Arbeiter-Schachbundes, 1919

8/2K5/3B4/8/4k3/p2N1N2/p7/rn1Q4

#3

5 + 5


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kd5
      • 2.Sf4+
        • 2...Kc4
          • 3.Qd3#
        • 2...Ke4
          • 3.Qd3#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qd3#
      • 1...Sd2
        • 2.Qe2+
          • 2...Kf5
            • 3.Qe6#
      • 1...Kf5!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Sb4#
        • 2.Sf4#
      • 1...Kf5!
  • Keys
    • 1.Sfe5!
      • 1...Ke3
        • 2.Bc5+
          • 2...Ke4
            • 3.Qf3#
      • 1...Kd4
        • 2.Sc5+
          • 2...Kc3
            • 3.Sa4#
          • 2...Ke3
            • 3.Sg4#
          • 2...Sd2
            • 3.Qxd2#
      • 1...Kd5
        • 2.Sc5+
          • 2...Sd2
            • 3.Qxd2#
        • 2.Qg4
          • threat
            • 3.Sb4#
            • 3.Qc4#
      • 1...Kf5
        • 2.Qg4+
          • 2...Kf6
            • 3.Qg6#
      • 1...Sd2
        • 2.Qg4+
          • 2...Ke3
            • 3.Bc5#
          • 2...Kd5
            • 3.Sb4#
      • 1...Sc3
        • 2.Qf3+
          • 2...Kd4
            • 3.Bc5#

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).