Problem Display
PID: 182980 (8/8/P1ppp1P1/2pkp1K1/2ppp3/2P5/4P3/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Deutsches Wochenschach, 1908

8/8/P1ppp1P1/2pkp1K1/2ppp3/2P5/4P3/8

#4

5 + 9


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.e3!
      • threat
        • 2.a7
          • threat
            • 3.a8S
              • threat
                • 4.Sb6#
                • 4.Sc7#
          • 2...dxc3
            • 3.a8S
              • 3...c2
                • 4.Sb6#
                • 4.Sc7#
          • 2...dxe3
            • 3.a8S
              • 3...e2
                • 4.Sb6#
                • 4.Sc7#
          • 2...d3
            • 3.a8S
              • 3...d2
                • 4.Sb6#
                • 4.Sc7#
        • 2.g7
          • threat
            • 3.g8S
              • threat
                • 4.Sf6#
                • 4.Se7#
          • 2...dxc3
            • 3.g8S
              • 3...c2
                • 4.Sf6#
                • 4.Se7#
          • 2...dxe3
            • 3.g8S
              • 3...e2
                • 4.Sf6#
                • 4.Se7#
          • 2...d3
            • 3.g8S
              • 3...d2
                • 4.Sf6#
                • 4.Se7#
      • 1...dxc3
        • 2.a7
          • 2...c2
            • 3.a8S
              • threat
                • 4.Sb6#
                • 4.Sc7#
      • 1...dxe3
        • 2.g7
          • 2...e2
            • 3.g8S
              • threat
                • 4.Sf6#
                • 4.Se7#
      • 1...d3
        • 2.a7
          • 2...d2
            • 3.a8S
              • threat
                • 4.Sb6#
                • 4.Sc7#
        • 2.g7
          • 2...d2
            • 3.g8S
              • threat
                • 4.Sf6#
                • 4.Se7#

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).