Problem Display
PID: 268910 (8/3N4/7B/K1P5/4k3/8/8/6Q1 w - - 0 1)

Petrasinovic, Petrasin

HM., Euximus Pontus Romania, 2011

8/3N4/7B/K1P5/4k3/8/8/6Q1

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Kb4!
      • threat
        • 2.Qg4+
          • 2...Kd5
            • 3.Sb6+
              • 3...Ke5
                • 4.Bg7#
              • 3...Kc6
                • 4.Qd7#
                • 4.Qc8#
      • 1...Kf3
        • 2.Sf6
          • 2...Ke2
            • 3.Bf4
              • 3...Kd3
                • 4.Qd1#
              • 3...Kf3
                • 4.Qf1#
      • 1...Kd5
        • 2.Qg6
          • 2...Kd4
            • 3.Qe6
              • 3...Kd3
                • 4.Qc4#
      • 1...Kf5
        • 2.Qg8
          • 2...Ke4
            • 3.Qf7
              • 3...Kd3
                • 4.Qc4#
              • 3...Kd4
                • 4.Qc4#

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).