Problem Display
PID: 74362 (8/6p1/7k/8/4KR2/8/2Q5/8 w - - 0 1)

Kuzmichev, Vladimir Viktorovich

The Problemist Supplement, 2007

8/6p1/7k/8/4KR2/8/2Q5/8

#3

3 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Ke5?
      • 1...Kg5
        • 2.Qf5+
          • 2...Kh6
            • 3.Rh4#
        • 2.Qh7
          • 2...g6
            • 3.Qh4#
      • 1...Kh5
        • 2.Qf5+
          • 2...Kh6
            • 3.Rh4#
          • 2...g5
            • 3.Qh7#
      • 1...g5
        • 2.Kf6
          • threat
            • 3.Qg6#
            • 3.Qh2#
          • 2...Kh5
            • 3.Qg6#
            • 3.Qh7#
            • 3.Qh2#
      • 1...g6!
    • 1.Rh4+?
      • 1...Kg5
        • 2.Qf2
          • 2...Kg6
            • 3.Qf5#
          • 2...g6
            • 3.Qf4#
      • 1...Kg6!
    • 1.Qh2+?
      • 1...Kg5
        • 2.Qg3+
          • 2...Kh5
            • 3.Rh4#
          • 2...Kh6
            • 3.Rh4#
        • 2.Qh7
          • 2...g6
            • 3.Qh4#
      • 1...Kg6!
  • Keys
    • 1.Qc8!
      • 1...Kg5
        • 2.Qf5+
          • 2...Kh6
            • 3.Rh4#
      • 1...Kh5
        • 2.Qf5+
          • 2...Kh6
            • 3.Rh4#
          • 2...g5
            • 3.Qh7#
      • 1...Kg6
        • 2.Qf5+
          • 2...Kh6
            • 3.Rh4#
      • 1...Kh7
        • 2.Rh4+
          • 2...Kg6
            • 3.Qf5#
      • 1...g5
        • 2.Qh8+
          • 2...Kg6
            • 3.Rf6#
      • 1...g6
        • 2.Qh8+
          • 2...Kg5
            • 3.Qh4#

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).