Problem Display
PID: 175927 (8/5Q2/P3Np2/3k4/8/8/2KN4/8 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2012

8/5Q2/P3Np2/3k4/8/8/2KN4/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.a7?
      • 1...Ke5
        • 2.a8Q
          • 2...Kf5
            • 3.Qe4#
          • 2...Kd6
            • 3.Sc4#
          • 2...f5
            • 3.Sc4#
      • 1...Kc6
        • 2.a8Q+
          • 2...Kb5
            • 3.Qfb7#
          • 2...Kb6
            • 3.Qfb7#
          • 2...Kd6
            • 3.Sc4#
      • 1...f5
        • 2.a8Q+
          • 2...Ke5
            • 3.Sc4#
          • 2...Kd6
            • 3.Sc4#
        • 2.a8B+
          • 2...Ke5
            • 3.Sc4#
          • 2...Kd6
            • 3.Sc4#
      • 1...Kd6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Kd3
          • threat
            • 3.Qd7#
          • 2...Kc6
            • 3.Qb7#
      • 1...Kxc4
        • 2.Qb7
          • 2...f5
            • 3.Qb3#
      • 1...Ke4
        • 2.Qh5
          • 2...f5
            • 3.Qh1#

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).