Problem Display
PID: 246905 (8/1K2p3/8/4P1p1/1bpP2Pp/3kBN2/1P1pNP2/1n1B4 w - - 0 1)

Erdos, Dr Geza

Die Schwalbe, 1956

8/1K2p3/8/4P1p1/1bpP2Pp/3kBN2/1P1pNP2/1n1B4

#4

10 + 8


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.e6!
      • threat
        • 2.Sf4+
          • 2...gxf4
            • 3.Se5+
              • 3...Ke4
                • 4.Bf3#
        • 2.Se5+
          • 2...Ke4
            • 3.Sc3+
              • 3...Bxc3
                • 4.Bf3#
              • 3...Sxc3
                • 4.Bf3#
            • 3.Sf4
              • threat
                • 4.Bc2#
                • 4.Bf3#
      • 1...Ke4
        • 2.Sxg5+
          • 2...Kd5
            • 3.Sf4+
              • 3...Kd6
                • 4.Se4#
                • 4.Sf7#
      • 1...c3
        • 2.Se5+
          • 2...Ke4
            • 3.Sxc3+
              • 3...Bxc3
                • 4.Bf3#
              • 3...Sxc3
                • 4.Bf3#
            • 3.Sf4
              • threat
                • 4.Bc2#
                • 4.Bf3#
      • 1...Bd6
        • 2.Sc1+
          • 2...Ke4
            • 3.Sxg5+
              • 3...Kd5
                • 4.Bf3#
          • 2...dxc1Q
            • 3.Se1+
              • 3...Ke4
                • 4.Bf3#
          • 2...dxc1S
            • 3.Se1+
              • 3...Ke4
                • 4.Bf3#
          • 2...dxc1B
            • 3.Se1+
              • 3...Ke4
                • 4.Bf3#
          • 2...dxc1R
            • 3.Se1+
              • 3...Ke4
                • 4.Bf3#

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).