Problem Display
PID: 261861 (7K/8/8/3k3p/7P/6QB/1N6/8 w - - 0 1)

Petrasinovic, Petrasin

The Problemist, 2022

7K/8/8/3k3p/7P/6QB/1N6/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sa4!
      • threat
        • 2.Qd3+
          • 2...Ke5
            • 3.Qc4
              • 3...Kd6
                • 4.Qc5#
              • 3...Kf6
                • 4.Qe6#
      • 1...Kc4
        • 2.Qc3+
          • 2...Kb5
            • 3.Bc8
              • 3...Kxa4
                • 4.Bd7#
          • 2...Kd5
            • 3.Bf5
              • 3...Kd6
                • 4.Qc5#
      • 1...Kd4
        • 2.Bg2
          • 2...Kc4
            • 3.Bc6
              • threat
                • 4.Qc3#
              • 3...Kb4
                • 4.Qc3#
              • 3...Kd4
                • 4.Qc3#
      • 1...Ke4
        • 2.Bg2+
          • 2...Kf5
            • 3.Bd5
              • 3...Kf6
                • 4.Qg5#
      • 1...Kc6
        • 2.Qb3
          • 2...Kd6
            • 3.Qe6+
              • 3...Kc7
                • 4.Qb6#

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).