Problem Display
PID: 270197 (5Q2/8/B3k3/N2p4/8/8/7K/8 w - - 0 1)

van Rey, Loek

Probleemblad, 2020

5Q2/8/B3k3/N2p4/8/8/7K/8

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sb7!
      • 1...Ke5
        • 2.Kg3
          • 2...Kd4
            • 3.Qf6+
              • 3...Ke3
                • 4.Qf4#
              • 3...Ke4
                • 4.Qf4#
          • 2...Ke6
            • 3.Sc5+
              • 3...Ke5
                • 4.Qf4#
          • 2...d4
            • 3.Bc4
              • threat
                • 4.Qf4#
              • 3...Ke4
                • 4.Qf4#
      • 1...Kd7
        • 2.Qd6+
          • 2...Ke8
            • 3.Sd8
              • 3...d4
                • 4.Bb5#
      • 1...d4
        • 2.Bc4+
          • 2...Ke5
            • 3.Kg3
              • threat
                • 4.Qf4#
              • 3...Ke4
                • 4.Qf4#
          • 2...Kd7
            • 3.Bd5
              • threat
                • 4.Qd8#
              • 3...Kc7
                • 4.Qd8#

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).