Problem Display
PID: 269528 (8/8/B5Q1/3pk3/4p3/5P2/2KN4/8 w - - 0 1)

Petrasinovic, Petrasin

Euximus Pontus Romania, 2012

8/8/B5Q1/3pk3/4p3/5P2/2KN4/8

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qh6!
      • threat
        • 2.f4+
          • 2...Kd4
            • 3.Qb6#
          • 2...Kf5
            • 3.Bc8#
      • 1...Kd4
        • 2.Sb3+
          • 2...Ke5
            • 3.f4+
              • 3...Kf5
                • 4.Bc8#
      • 1...Kf5
        • 2.Bc8+
          • 2...Ke5
            • 3.f4+
              • 3...Kd4
                • 4.Qb6#
      • 1...exf3
        • 2.Kd3
          • threat
            • 3.Sxf3+
              • 3...Kf5
                • 4.Bc8#
          • 2...Kf5
            • 3.Bc8+
              • 3...Ke5
                • 4.Sxf3#
          • 2...d4
            • 3.Sc4+
              • 3...Kd5
                • 4.Qd6#
              • 3...Kf5
                • 4.Bc8#
          • 2...f2
            • 3.Sf3+
              • 3...Kf5
                • 4.Bc8#

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).