Problem Display
PID: 58297 (7K/7R/2ppP3/R2N1kp1/2p3p1/2B2pP1/1P3P2/8 w - - 0 1)

Jespersen, Karl Lorenz Jesper

3rd Prize, Gazetta Letteraria, 1889

7K/7R/2ppP3/R2N1kp1/2p3p1/2B2pP1/1P3P2/8

#3

9 + 7


49 Skakbladet 1905
1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Sc7#
    • 1...Kg6
      • 2.Se7#
  • Tries
    • 1.Se3+?
      • 1...Kxe6
        • 2.Rf5
          • threat
            • 3.Rf6#
        • 2.Rxg5
          • threat
            • 3.Rg6#
        • 2.Raa7
          • threat
            • 3.Rae7#
            • 3.Rh6#
            • 3.Rhe7#
      • 1...Kg6
        • 2.Sf5
          • threat
            • 3.Se7#
            • 3.Rh6#
        • 2.Bg7
          • threat
            • 3.Rh6#
        • 2.Rf5
          • threat
            • 3.Rf6#
        • 2.Raa7
          • threat
            • 3.Rag7#
        • 2.Ra8
          • threat
            • 3.Rg8#
        • 2.e7
          • threat
            • 3.e8Q#
            • 3.e8B#
      • 1...Ke4!
  • Keys
    • 1.e7!
      • threat
        • 2.e8Q
          • threat
            • 3.Se3#
          • 2...cxd5
            • 3.Rxd5#
      • 1...Ke4
        • 2.e8Q+
          • 2...Kd3
            • 3.Sb4#
          • 2...Kf5
            • 3.Se3#
      • 1...Ke6
        • 2.Sc7+
          • 2...Kd7
            • 3.e8Q#
            • 3.e8R#
        • 2.e8Q+
          • 2...Kf5
            • 3.Se3#
      • 1...Kg6
        • 2.Se3
          • threat
            • 3.e8Q#
            • 3.e8B#
        • 2.Sf4+
          • 2...gxf4
            • 3.e8Q#
            • 3.e8B#
        • 2.e8Q+
          • 2...Kf5
            • 3.Se3#
      • 1...cxd5
        • 2.e8B
          • 2...Ke4
            • 3.Bg6#
          • 2...Ke6
            • 3.Bd7#
      • 1...c5
        • 2.e8R
          • 2...Kg6
            • 3.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).