Problem Display
PID: 197506 (k7/3p4/B1p5/8/1K2Q1n1/8/8/8 w - - 0 1)

von Eylmann, Edm

Niederschlesischer Anzeiger, 1920

k7/3p4/B1p5/8/1K2Q1n1/8/8/8

#3

3 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...d6
      • 2.Qxc6+
        • 2...Ka7
          • 3.Qb7#
        • 2...Kb8
          • 3.Qb7#
  • Tries
    • 1.Qxc6+?
      • 1...Ka7
        • 2.Qb7#
      • 1...Kb8
        • 2.Qb7#
      • 1...dxc6!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Ka3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Kc3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Ka7
        • 2.Ka5
          • threat
            • 3.Qb7#
          • 2...Ka8
            • 3.Qb7#
      • 1...Kb8
        • 2.Kc5+
          • 2...Ka7
            • 3.Qb7#
          • 2...Kc7
            • 3.Qb6#
          • 2...Ka8
            • 3.Qb7#
      • 1...Sf2
        • 2.Ka3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Se3
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Se5
        • 2.Kc3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...Sf6
        • 2.Ka3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
      • 1...d5
        • 2.Ka3
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Ka5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
        • 2.Kc5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.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).