Problem Display
PID: 133905 (8/8/1P4P1/2ppP3/2P1k1K1/1b2pN2/4P3/8 w - - 0 1)

Pradignat, Emile Leonard

ABC, 1906

8/8/1P4P1/2ppP3/2P1k1K1/1b2pN2/4P3/8

#4

7 + 5


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.g7!
      • threat
        • 2.g8Q
          • threat
            • 3.Qxd5#
            • 3.Qh7#
            • 3.Qg6#
          • 2...dxc4
            • 3.Qa8#
        • 2.g8S
          • threat
            • 3.Sf6#
      • 1...Bxc4
        • 2.g8B
          • threat
            • 3.Bh7#
          • 2...d4
            • 3.Bxc4
              • 3...d3
                • 4.exd3#
      • 1...dxc4
        • 2.g8Q
          • threat
            • 3.Qa8#
          • 2...c3
            • 3.Qxb3
              • threat
                • 4.Qc4#
              • 3...c4
                • 4.Qxc4#
      • 1...Ba4
        • 2.g8S
          • threat
            • 3.Sf6#
          • 2...Bd7+
            • 3.Kg5
              • threat
                • 4.Sf6#

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).