Problem Display
PID: 274310 (8/2Q5/3p4/4k2B/8/1pN5/1P4p1/6K1 w - - 0 1)

Petrasinovic, Petrasin

idee & form, 2023

8/2Q5/3p4/4k2B/8/1pN5/1P4p1/6K1

#4

5 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Se2!
      • 1...Ke4
        • 2.Bg6+
          • 2...Ke3
            • 3.Qc3+
              • 3...Kxe2
                • 4.Bh5#
          • 2...Kf3
            • 3.Qc3+
              • 3...Kxe2
                • 4.Bh5#
              • 3...Kg4
                • 4.Qg3#
          • 2...Kd5
            • 3.Qc8
              • 3...Ke5
                • 4.Qf5#
          • 2...Ke5
            • 3.Qf7
              • 3...d5
                • 4.Qe7#
      • 1...Kd5
        • 2.Bg6
          • threat
            • 3.Qc8
              • 3...Ke5
                • 4.Qf5#
          • 2...Ke5
            • 3.Qf7
              • 3...d5
                • 4.Qe7#
          • 2...Ke6
            • 3.Qf7+
              • 3...Ke5
                • 4.Qf5#
      • 1...Kf5
        • 2.Qxd6
          • 2...Ke4
            • 3.Bg4
              • 3...Ke3
                • 4.Qd4#
          • 2...Kg5
            • 3.Qg6+
              • 3...Kh4
                • 4.Qg4#
      • 1...Ke6
        • 2.Qf7+
          • 2...Ke5
            • 3.Bg6
              • 3...d5
                • 4.Qe7#
      • 1...Kf6
        • 2.Qf7+
          • 2...Ke5
            • 3.Bg6
              • 3...d5
                • 4.Qe7#
          • 2...Kg5
            • 3.Qg6+
              • 3...Kh4
                • 4.Qg4#

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).