Problem Display
PID: 19956 (3k3r/3p1PN1/3p2pp/3N4/8/8/1K2PP2/2R5 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Deutsches Wochenschach, 1910

3k3r/3p1PN1/3p2pp/3N4/8/8/1K2PP2/2R5

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Ka1!
      • threat
        • 2.Se8
          • threat
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
          • 2...Rxe8
            • 3.Rb1
              • threat
                • 4.Rb8#
              • 3...Kc8
                • 4.fxe8Q#
                • 4.fxe8R#
          • 2...Rh7
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.f8Q#
                • 4.f8R#
          • 2...Rg8
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.fxg8Q#
                • 4.fxg8R#
            • 3.fxg8Q
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
            • 3.fxg8R
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
      • 1...Rf8
        • 2.Se8
          • threat
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
          • 2...Rxf7
            • 3.Sxd6
              • threat
                • 4.Rc8#
          • 2...Rxe8
            • 3.Rb1
              • threat
                • 4.Rb8#
              • 3...Kc8
                • 4.fxe8Q#
                • 4.fxe8R#
          • 2...Rg8
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.fxg8Q#
                • 4.fxg8R#
            • 3.fxg8Q
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
            • 3.fxg8R
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
      • 1...h5
        • 2.Se8
          • threat
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
          • 2...Rxe8
            • 3.Rb1
              • threat
                • 4.Rb8#
              • 3...Kc8
                • 4.fxe8Q#
                • 4.fxe8R#
          • 2...Rh6
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.f8Q#
                • 4.f8R#
            • 3.f8Q
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
                • 4.Qe7#
          • 2...Rh7
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.f8Q#
                • 4.f8R#
          • 2...Rg8
            • 3.Sxd6
              • threat
                • 4.Sb7#
                • 4.Rc8#
                • 4.fxg8Q#
                • 4.fxg8R#
            • 3.fxg8Q
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#
            • 3.fxg8R
              • threat
                • 4.Sxd6#
                • 4.Sef6#
                • 4.Sec7#
                • 4.Sg7#

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).