Problem Display
PID: 275999 (7r/4P2p/5P1r/3QKp1k/7N/2p2PR1/5p1N/6b1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Springaren, 1993

7r/4P2p/5P1r/3QKp1k/7N/2p2PR1/5p1N/6b1

#4

8 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qxf5+
          • 2...Kxh4
            • 3.Rh3#
            • 3.Qh3#
            • 3.Qg4#
            • 3.Qg5#
        • 2.Sxf5
          • threat
            • 3.Sg7#
            • 3.Qg4#
            • 3.Qh4#
      • 1...Rxf6
        • 2.Sxf5
          • threat
            • 3.Qg4#
            • 3.Qh4#
          • 2...Rxf5+
            • 3.Qxf5+
              • 3...Kh4
                • 4.Rh3#
                • 4.Qh3#
                • 4.Qg4#
                • 4.Qg5#
              • 3...Kh6
                • 4.Qh3#
                • 4.Qg5#
          • 2...Re6+
            • 3.Kxe6
              • threat
                • 4.Qg4#
                • 4.Qh4#
      • 1...fxe4
        • 2.Sg6
          • threat
            • 3.Sf4+
              • 3...Kh4
                • 4.Rg4#
            • 3.f4
              • threat
                • 4.Rg5#
              • 3...Rxg6
                • 4.Rh3#
              • 3...hxg6
                • 4.Rh3#
          • 2...Rxg6
            • 3.Rh3+
              • 3...Kg5
                • 4.f4#
          • 2...hxg6
            • 3.Rh3+
              • 3...Kg5
                • 4.f4#
          • 2...Rg8
            • 3.f4
              • threat
                • 4.Rg5#
              • 3...Rhxg6
                • 4.Rh3#
              • 3...Rgxg6
                • 4.Rh3#
              • 3...hxg6
                • 4.Rh3#
      • 1...Rg6
        • 2.Qxf5+
          • 2...Kh6
            • 3.Rxg6+
              • 3...hxg6
                • 4.Qxg6#
            • 3.Sxg6
              • threat
                • 4.Sg4#
                • 4.Rh3#
                • 4.Qh3#
                • 4.Qg5#

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).