Problem Display
PID: 270734 (8/2B5/p2N4/4k3/2p5/8/K5N1/7Q w - - 0 1)

Felber, Stefan

Die Schwalbe, 2023

8/2B5/p2N4/4k3/2p5/8/K5N1/7Q

#3

5 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qb1?
      • 1...Kd4
        • 2.Qe4+
          • 2...Kc3
            • 3.Ba5#
          • 2...Kc5
            • 3.Qxc4#
      • 1...Kd5
        • 2.Qe4+
          • 2...Kc5
            • 3.Qxc4#
      • 1...Ke6
        • 2.Qf5+
          • 2...Ke7
            • 3.Qf7#
      • 1...c3
        • 2.Qf5+
          • 2...Kd4
            • 3.Bb6#
      • 1...a5
        • 2.Qf5+
          • 2...Kd4
            • 3.Sb5#
      • 1...Kf6!
    • 1.Qe1+?
      • 1...Kd4
        • 2.Qe4+
          • 2...Kc3
            • 3.Ba5#
          • 2...Kc5
            • 3.Qxc4#
      • 1...Kd5
        • 2.Qe4+
          • 2...Kc5
            • 3.Qxc4#
      • 1...Kf6!
  • Keys
    • 1.Qh7!
      • 1...Kd4
        • 2.Qe4+
          • 2...Kc3
            • 3.Ba5#
          • 2...Kc5
            • 3.Qxc4#
      • 1...Kd5
        • 2.Qe4+
          • 2...Kc5
            • 3.Qxc4#
      • 1...Ke6
        • 2.Qf5+
          • 2...Ke7
            • 3.Qf7#
      • 1...Kf6
        • 2.Se4+
          • 2...Ke6
            • 3.Sf4#
      • 1...c3
        • 2.Qf5+
          • 2...Kd4
            • 3.Bb6#
      • 1...a5
        • 2.Qf5+
          • 2...Kd4
            • 3.Sb5#

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).