Problem Display
PID: 237575 (3Q4/8/3p4/N2k2N1/8/8/3P4/3K4 w - - 0 1)

Karner, Lambert Ferdinand

Deutsche Schachzeitung, 1873

3Q4/8/3p4/N2k2N1/8/8/3P4/3K4

#3

5 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxd6#
  • Tries
    • 1.Qc7?
      • 1...Kd4
        • 2.Qxd6#
      • 1...Ke5!
    • 1.Qe7?
      • 1...Kd4
        • 2.Qxd6#
      • 1...Kc5!
    • 1.Qc8?
      • threat
        • 2.Qf5+
          • 2...Kd4
            • 3.Sf3#
            • 3.Se6#
      • 1...Kd4
        • 2.Qf5
          • 2...d5
            • 3.Se6#
      • 1...Ke5!
    • 1.Qe8?
      • threat
        • 2.Qb5+
          • 2...Kd4
            • 3.Sb3#
            • 3.Sc6#
      • 1...Kd4
        • 2.Qb5
          • 2...d5
            • 3.Sc6#
      • 1...Kc5!
  • Keys
    • 1.d4!
      • 1...Kxd4
        • 2.Qxd6+
          • 2...Kc3
            • 3.Qd2#
          • 2...Ke3
            • 3.Qd2#

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).