Problem Display
PID: 220957 (bb6/p7/1p1p4/4P1p1/8/7B/3N2Np/n4K1k w - - 0 1)

Leopold, Dr Rudolf L

Deutsche Schachzeitung, 1959

bb6/p7/1p1p4/4P1p1/8/7B/3N2Np/n4K1k

#4

5 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kf2!
      • threat
        • 2.Sf1
          • threat
            • 3.Sg3#
      • 1...dxe5
        • 2.Sf1
          • threat
            • 3.Sg3#
          • 2...e4
            • 3.Sge3
              • threat
                • 4.Bg2#
              • 3...Bg3+
                • 4.Sxg3#
        • 2.Se3
          • threat
            • 3.Sdf1
              • threat
                • 4.Sg3#
              • 3...e4
                • 4.Bg2#
            • 3.Sef1
              • threat
                • 4.Sg3#
              • 3...e4
                • 4.Bg2#
            • 3.Sf5
              • threat
                • 4.Sg3#
              • 3...e4
                • 4.Bg2#
          • 2...Bf3
            • 3.Sxf3
              • threat
                • 4.Bg2#
          • 2...Be4
            • 3.Sxe4
              • threat
                • 4.Sg3#
                • 4.Bg2#
            • 3.Sdf1
              • threat
                • 4.Sg3#
            • 3.Sef1
              • threat
                • 4.Sg3#
            • 3.Sf5
              • threat
                • 4.Sg3#
              • 3...Bxf5
                • 4.Bg2#
          • 2...g4
            • 3.Sdf1
              • threat
                • 4.Sg3#
              • 3...g3+
                • 4.Sxg3#
              • 3...e4
                • 4.Bg2#
            • 3.Sef1
              • threat
                • 4.Sg3#
              • 3...g3+
                • 4.Sxg3#
              • 3...e4
                • 4.Bg2#
            • 3.Sf5
              • threat
                • 4.Sg3#
              • 3...g3+
                • 4.Sxg3#
              • 3...e4
                • 4.Bg2#
      • 1...d5
        • 2.Se4
          • threat
            • 3.Sg3#
          • 2...Bxe5
            • 3.Se3
              • threat
                • 4.Bg2#
              • 3...Bg3+
                • 4.Sxg3#
          • 2...dxe4
            • 3.Se3
              • threat
                • 4.Bg2#

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).