Problem Display
PID: 269451 (4N1Q1/B7/8/K3kp2/1p6/7P/8/8 w - - 0 1)

Petrasinovic, Petrasin

Problem Paradise, 2014

4N1Q1/B7/8/K3kp2/1p6/7P/8/8

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qe6+
          • 2...Kf4
            • 3.Qe3#
      • 1...Ke4
        • 2.Qb3
          • threat
            • 3.Qe3#
          • 2...Ke5
            • 3.Qe6+
              • 3...Kf4
                • 4.Qe3#
      • 1...Kf4
        • 2.Qg1
          • threat
            • 3.Qe3#
          • 2...Kf3
            • 3.Qf2+
              • 3...Ke4
                • 4.Qe3#
      • 1...Kd6
        • 2.Qd8+
          • 2...Kc6
            • 3.Bb6
              • threat
                • 4.Qd5#
              • 3...Kb7
                • 4.Qa8#
      • 1...Kf6
        • 2.Bd4+
          • 2...Ke7
            • 3.Be5
              • threat
                • 4.Qe8#
              • 3...Kd7
                • 4.Qe8#

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).