Problem Display
PID: 219705 (8/8/1p6/pK6/8/1k6/8/Q3N3 w - - 0 1)

Zuncke, Klaus-Peter

Land og Folk, 1978

8/8/1p6/pK6/8/1k6/8/Q3N3

#3

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...a4
      • 2.Qb1+
        • 2...Ka3
          • 3.Sc2#
        • 2...Kc3
          • 3.Qb4#
  • Tries
    • 1.Qc3+?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
      • 1...Kxc3!
    • 1.Qd4?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qb2#
            • 3.Qa4#
          • 2...Kb3
            • 3.Qb2#
      • 1...Ka3
        • 2.Sd3
          • threat
            • 3.Qb2#
            • 3.Qa4#
          • 2...Ka2
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4!
    • 1.Qe5?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...Ka3
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4!
    • 1.Qf6?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...Ka3
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4!
    • 1.Qg7?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...Ka3
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4!
    • 1.Qh8?
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...Ka3
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4!
    • 1.Qb1+?
      • 1...Ka3
        • 2.Sc2#
      • 1...Kc3!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
      • 1...Ka2
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Kb3
            • 3.Qb2#
      • 1...a4
        • 2.Sd3
          • threat
            • 3.Qb2#
          • 2...Ka2
            • 3.Qb2#
          • 2...a3
            • 3.Qc4#
        • 2.Qb1+
          • 2...Ka3
            • 3.Sc2#
          • 2...Kc3
            • 3.Qb4#

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).