Problem Display
PID: 210905 (7Q/5N1B/8/2pk2pP/6p1/6P1/8/2K5 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2017

7Q/5N1B/8/2pk2pP/6p1/6P1/8/2K5

#4

6 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qb8!
      • 1...Kc4
        • 2.Qb1
          • threat
            • 3.Kd2
              • 3...Kd4
                • 4.Qd3#
                • 4.Qe4#
              • 3...Kd5
                • 4.Qe4#
          • 2...Kc3
            • 3.Qb5
              • 3...Kd4
                • 4.Qd3#
              • 3...c4
                • 4.Qb2#
      • 1...Kd4
        • 2.Qb3
          • 2...c4
            • 3.Qb6+
              • 3...Kc3
                • 4.Qb2#
              • 3...Kd5
                • 4.Qd6#
      • 1...Kc6
        • 2.Be4+
          • 2...Kd7
            • 3.Bd5
              • threat
                • 4.Qd8#
              • 3...Ke7
                • 4.Qd8#
      • 1...Ke6
        • 2.Qe8+
          • 2...Kf6
            • 3.Bg6
              • threat
                • 4.Qe5#
              • 3...Kg7
                • 4.Qh8#

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).