Problem Display
PID: 273558 (8/1K1p4/3kpRN1/2p3p1/2P2nP1/1Np1rPB1/2P5/8 w - - 0 1)

Lissenberg, H

Probleemblad, 1952

8/1K1p4/3kpRN1/2p3p1/2P2nP1/1Np1rPB1/2P5/8

#4

9 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Rf8!
      • threat
        • 2.Ra8
          • threat
            • 3.Ra6#
      • 1...e5
        • 2.Rf6+
          • 2...Se6
            • 3.Bf2
              • 3...Rxf3
                • 4.Bxc5#
              • 3...Re1
                • 4.Bxc5#
              • 3...Re2
                • 4.Bxc5#
              • 3...Rd3
                • 4.Bxc5#
              • 3...Re4
                • 4.Bxc5#
              • 3...e4
                • 4.Bg3#
      • 1...Re1
        • 2.Ra8
          • threat
            • 3.Ra6#
          • 2...Ra1
            • 3.Sxa1
              • 3...e5
                • 4.Ra6#
            • 3.Rxa1
              • 3...e5
                • 4.Ra6#
      • 1...Re4
        • 2.fxe4
          • 2...e5
            • 3.Rf6+
              • 3...Se6
                • 4.Bxe5#
      • 1...Re5
        • 2.Bxf4
          • 2...gxf4
            • 3.Ra8
              • threat
                • 4.Ra6#

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).