Problem Display
PID: 200620 (8/8/K7/4n3/2n1Q3/5R2/kp6/3N4 w - - 0 1)

Shumarin, Vladimir Pavlovich

Zadachi i Etyudi, 2017

8/8/K7/4n3/2n1Q3/5R2/kp6/3N4

#3

4 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Sd2
      • 2.Sc3+
        • 2...Ka1
          • 3.Qa4#
        • 2...Ka3
          • 3.Qa4#
        • 2...Kb3
          • 3.Qa4#
    • 1...Sa5
      • 2.Sc3+
        • 2...Ka1
          • 3.Qb1#
          • 3.Qa4#
        • 2...Ka3
          • 3.Qa4#
        • 2...Kb3
          • 3.Qa4#
    • 1...Sd6
      • 2.Sc3+
        • 2...Ka1
          • 3.Qb1#
          • 3.Qa4#
        • 2...Ka3
          • 3.Qa4#
        • 2...Kb3
          • 3.Qa4#
  • Keys
    • 1.Qc2!
      • threat
        • 2.Sc3+
          • 2...Ka1
            • 3.Qb1#
          • 2...Ka3
            • 3.Qa4#
      • 1...Ka1
        • 2.Ra3+
          • 2...Sxa3
            • 3.Qxb2#

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).