Problem Display
PID: 215726 (1r6/1rb5/P2kP1p1/3N4/pP1N3p/Bp5B/1K5P/6Q1 w - - 0 1)

Pradignat, Emile Leonard

3rd HM., Cesky spolek sachovni, 1887

1r6/1rb5/P2kP1p1/3N4/pP1N3p/Bp5B/1K5P/6Q1

#4

10 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qg5!
      • threat
        • 2.b5#
      • 1...Rxb4
        • 2.Sc3
          • threat
            • 3.Se4#
          • 2...Ba5
            • 3.e7
              • 3...Kc7
                • 4.Qc5#
              • 3...Rb5
                • 4.Scxb5#
                • 4.e8S#
              • 3...Rb6
                • 4.e8S#
              • 3...Rb7
                • 4.e8S#
              • 3...Ra8
                • 4.Scb5#
              • 3...Rc8
                • 4.Scb5#
              • 3...Rd8
                • 4.Scb5#
              • 3...Re8
                • 4.Scb5#
              • 3...Rf8
                • 4.Scb5#
              • 3...Rg8
                • 4.Scb5#
              • 3...Rh8
                • 4.Scb5#
              • 3...Bb6
                • 4.Scb5#
              • 3...Bc7
                • 4.Se4#
              • 3...Bd8
                • 4.e8S#
          • 2...Bd8
            • 3.Se4+
              • 3...Kc7
                • 4.Qc5#
      • 1...Rb5
        • 2.e7
          • threat
            • 3.Qf4+
              • 3...Kxd5
                • 4.Be6#
          • 2...Rxb4
            • 3.Sxc7
              • 3...Kxc7
                • 4.Qc5#
              • 3...Rb5
                • 4.Scxb5#
                • 4.Se8#
                • 4.e8S#
              • 3...Rb6
                • 4.Se8#
                • 4.e8S#
              • 3...Rb7
                • 4.Se8#
                • 4.e8S#
              • 3...Ra8
                • 4.Scb5#
              • 3...Rc8
                • 4.Scb5#
              • 3...Rd8
                • 4.Scb5#
                • 4.exd8Q#
              • 3...Re8
                • 4.Scb5#
                • 4.Sxe8#
              • 3...Rf8
                • 4.Scb5#
              • 3...Rg8
                • 4.Scb5#
              • 3...Rh8
                • 4.Scb5#
      • 1...Bb6
        • 2.Sb5+
          • 2...Kc6
            • 3.Se7+
              • 3...Rxe7
                • 4.Bg2#

FEATURES


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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).