Problem Display
PID: 269725 (4K3/8/7B/1p1P4/1p2kP1P/1P2N3/8/4Q3 w - - 0 1)

Petrasinovic, Petrasin

idee & form, 2021

4K3/8/7B/1p1P4/1p2kP1P/1P2N3/8/4Q3

#4

8 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Bf8!
      • 1...Kd3
        • 2.Bc5
          • 2...Ke4
            • 3.Qf2
              • 3...Kd3
                • 4.Qc2#
      • 1...Kf3
        • 2.Bc5
          • 2...Ke4
            • 3.Qf2
              • 3...Kd3
                • 4.Qc2#
          • 2...Kxf4
            • 3.Qf2+
              • 3...Ke4
                • 4.Qf5#
              • 3...Ke5
                • 4.Qf5#
      • 1...Kd4
        • 2.Sc2+
          • 2...Kd3
            • 3.Sxb4+
              • 3...Kd4
                • 4.Qe5#
          • 2...Kxd5
            • 3.Sxb4+
              • 3...Kd4
                • 4.Qe5#
      • 1...Kxf4
        • 2.Qf2+
          • 2...Ke4
            • 3.Bc5
              • threat
                • 4.Qf5#
              • 3...Kd3
                • 4.Qc2#
              • 3...Ke5
                • 4.Qf5#
          • 2...Ke5
            • 3.Bc5
              • 3...Ke4
                • 4.Qf5#

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).