Problem Display
PID: 19821 (r4Q1r/5BBb/n1PN4/1PpNp3/3P1p2/Pp1k4/5P2/3K4 w - - 0 1)

Nisle, Heinrich

Munchner Neueste Nachrichten, 1889

r4Q1r/5BBb/n1PN4/1PpNp3/3P1p2/Pp1k4/5P2/3K4

#4

11 + 9


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.dxe5!
      • threat
        • 2.Sxf4+
          • 2...Kc3
            • 3.e6#
          • 2...Kd4
            • 3.e6#
        • 2.e6
          • threat
            • 3.Sxf4#
          • 2...f3
            • 3.Sf4#
      • 1...Kd4
        • 2.e6+
          • 2...Kxd5
            • 3.e7+
              • 3...Kxd6
                • 4.e8S#
      • 1...Rg8
        • 2.Sxf4+
          • 2...Kc3
            • 3.e6+
              • 3...Rxg7
                • 4.Qxg7#
          • 2...Kd4
            • 3.Se2+
              • 3...Kd3
                • 4.Bc4#
            • 3.e6+
              • 3...Rxg7
                • 4.Qxg7#
        • 2.e6
          • threat
            • 3.Sxf4#
          • 2...Rxg7
            • 3.Sxf4+
              • 3...Kc3
                • 4.Qxg7#
              • 3...Kd4
                • 4.Qxg7#
            • 3.Qxg7
              • threat
                • 4.Sxf4#
                • 4.Qc3#
      • 1...b2
        • 2.Sxf4+
          • 2...Kc3
            • 3.Se2+
              • 3...Kd3
                • 4.Bc4#

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).