Problem Display
PID: 269491 (4Q3/8/P2N4/4p3/2PkB3/8/8/6K1 w - - 0 1)

Petrasinovic, Petrasin

Problem Paradise, 2018

4Q3/8/P2N4/4p3/2PkB3/8/8/6K1

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qb3
          • 2...Kc5
            • 3.Sb7+
              • 3...Kd4
                • 4.Qd3#
      • 1...Kc3
        • 2.Sb5+
          • 2...Kd2
            • 3.Kf2
              • 3...Kc1
                • 4.Qc2#
      • 1...Ke3
        • 2.Qc2
          • threat
            • 3.Qf2#
          • 2...Kd4
            • 3.c5
              • 3...Ke3
                • 4.Qf2#
          • 2...Kf4
            • 3.Qg2
              • 3...Ke3
                • 4.Qf2#
      • 1...Kc5
        • 2.Sf5
          • 2...Kb6
            • 3.Qc6+
              • 3...Ka5
                • 4.Qb5#
              • 3...Ka7
                • 4.Qb7#

FEATURES


NOT CLASSIFIED


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).