Problem Display
PID: 248763 (k7/5p2/8/3N4/8/1p3K2/8/7Q w - - 0 1)

Mihalek, Frederick M

Deutsche Schachzeitung, 1983

k7/5p2/8/3N4/8/1p3K2/8/7Q

#3

3 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qc7
          • threat
            • 3.Sb6#
      • 1...Ka7
        • 2.Qc7+
          • 2...Ka6
            • 3.Qb6#
          • 2...Ka8
            • 3.Sb6#
      • 1...Kb7
        • 2.Qc7+
          • 2...Ka6
            • 3.Qb6#
          • 2...Ka8
            • 3.Sb6#
      • 1...Kb8
        • 2.Qc7+
          • 2...Ka8
            • 3.Sb6#
      • 1...b2!
    • 1.Qh2?
      • threat
        • 2.Qc7
          • threat
            • 3.Sb6#
      • 1...Ka7
        • 2.Qc7+
          • 2...Ka6
            • 3.Qb6#
          • 2...Ka8
            • 3.Sb6#
      • 1...Kb7
        • 2.Qc7+
          • 2...Ka6
            • 3.Qb6#
          • 2...Ka8
            • 3.Sb6#
      • 1...b2!
    • 1.Qh6?
      • threat
        • 2.Qb6
          • threat
            • 3.Sc7#
      • 1...Ka7
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kb8
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...f6!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qb6
          • threat
            • 3.Sc7#
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kb8
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#

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).