Problem Display
PID: 190760 (8/8/8/8/2Q5/3p1KB1/2Pp4/3k4 w - - 0 1)

Fleckner, Otto

Deutsches Wochenschach, 1913

8/8/8/8/2Q5/3p1KB1/2Pp4/3k4

#3

4 + 3


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...dxc2
      • 2.Qf1#
  • Tries
    • 1.Kf2?
      • 1...dxc2
        • 2.Qf1#
      • 1...Kc1!
    • 1.Kg2?
      • 1...Ke2
        • 2.Qg4+
          • 2...Ke3
            • 3.Bf2#
      • 1...Kc1!
    • 1.Ke3?
      • 1...dxc2
        • 2.Qf1#
      • 1...Kc1!
    • 1.Bf2?
      • 1...dxc2
        • 2.Qf1#
      • 1...Kc1!
    • 1.Bf4?
      • 1...Kc1
        • 2.Qa2
          • 2...Kd1
            • 3.Qb1#
          • 2...dxc2
            • 3.Qa1#
      • 1...Ke1!
    • 1.Bh4?
      • 1...dxc2
        • 2.Qf1#
      • 1...Kc1!
    • 1.Qb3?
      • threat
        • 2.Qb1#
      • 1...dxc2
        • 2.Qa4
          • 2...Kc1
            • 3.Qa1#
      • 1...Kc1!
    • 1.Qa4?
      • 1...dxc2
        • 2.Kf2
          • 2...Kc1
            • 3.Qa1#
        • 2.Ke3
          • 2...Kc1
            • 3.Qa1#
        • 2.Bf2
          • 2...Kc1
            • 3.Qa1#
        • 2.Bh4
          • 2...Kc1
            • 3.Qa1#
      • 1...Kc1!
    • 1.Qc5?
      • 1...dxc2
        • 2.Qg1#
      • 1...Kc1!
    • 1.Qc6?
      • 1...dxc2
        • 2.Qa4
          • 2...Kc1
            • 3.Qa1#
      • 1...Kc1!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qb1#
      • 1...Kc1
        • 2.Bf4
          • 2...Kd1
            • 3.Qb1#
          • 2...dxc2
            • 3.Qa1#
      • 1...dxc2
        • 2.Qa4
          • 2...Kc1
            • 3.Qa1#

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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).