Problem Display
PID: 3243 (8/8/QK1pR3/3P1p1p/2p2kN1/8/5PPP/8 w - - 0 1)

Akerblom, Johan Axel

Nya Dagligt Allehanda, 1930

8/8/QK1pR3/3P1p1p/2p2kN1/8/5PPP/8

#3

8 + 5


2905 Pula Open Solving 2000
5926 Chess Solving Yearbook 2000 2004

SOLUTION


  • SOUND
  • Tries
    • 1.Rg6?
      • threat
        • 2.Qxc4#
      • 1...hxg4
        • 2.Qxc4+
          • 2...Ke5
            • 3.Re6#
      • 1...fxg4!
    • 1.h4?
      • threat
        • 2.Qxc4#
      • 1...fxg4
        • 2.Qxc4+
          • 2...Kf5
            • 3.Qe4#
      • 1...Kxg4!
  • Keys
    • 1.Qc8!
      • threat
        • 2.h4
          • threat
            • 3.Qxc4#
          • 2...Kxg4
            • 3.Re4#
          • 2...fxg4
            • 3.Qf8#
          • 2...c3
            • 3.Qc4#
      • 1...Kxg4
        • 2.Qg8+
          • 2...Kf4
            • 3.Qg3#
          • 2...Kh4
            • 3.Qg3#
      • 1...Kg5
        • 2.Rg6+
          • 2...Kf4
            • 3.Qxc4#
          • 2...Kh4
            • 3.Qd8#
          • 2...Kxg6
            • 3.Qg8#
      • 1...fxg4
        • 2.Qf8+
          • 2...Kg5
            • 3.Qf6#
      • 1...hxg4
        • 2.Qh8
          • threat
            • 3.Qh6#
          • 2...Kg5
            • 3.Qh6#
          • 2...g3
            • 3.Qh4#
      • 1...h4
        • 2.Rf6
          • threat
            • 3.Qxf5#
          • 2...Ke4
            • 3.Qxc4#
          • 2...Kxg4
            • 3.Qxf5#
          • 2...Kg5
            • 3.Qxf5#
      • 1...c3
        • 2.h4
          • threat
            • 3.Qc4#
          • 2...Kxg4
            • 3.Re4#
          • 2...fxg4
            • 3.Qf8#

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).