Problem Display
PID: 268805 (2K5/6Q1/8/5k2/1N6/1P3N2/8/8 w - - 0 1)

Petrasinovic, Petrasin

9th Prize, Sem Shakhmatnikh not, 2020

2K5/6Q1/8/5k2/1N6/1P3N2/8/8

#3

5 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sd4+
        • 2...Kd6
          • 3.Qc7#
  • Tries
    • 1.Sh4+?
      • 1...Kf4
        • 2.Sc2
          • 2...Ke4
            • 3.Qd4#
      • 1...Ke6
        • 2.Kd8
          • 2...Kd6
            • 3.Qe7#
      • 1...Ke4!
    • 1.Sd3?
      • 1...Ke6
        • 2.Sd4+
          • 2...Kd5
            • 3.Qe5#
          • 2...Kd6
            • 3.Qe5#
            • 3.Qd7#
      • 1...Ke4!
    • 1.Sd5?
      • 1...Ke6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Qf7+?
      • 1...Ke4
        • 2.Sc2
          • 2...Kd3
            • 3.Qc4#
      • 1...Kg4!
  • Keys
    • 1.Sc2!
      • 1...Ke4
        • 2.Qf7
          • 2...Kd3
            • 3.Qc4#
      • 1...Kf4
        • 2.Sh4
          • 2...Ke4
            • 3.Qd4#
      • 1...Ke6
        • 2.Scd4+
          • 2...Kd5
            • 3.Qe5#
          • 2...Kd6
            • 3.Qe5#

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).