Problem Display
PID: 248680 (6b1/3p1pP1/4pP1P/4N1k1/n5P1/4K2p/8/4Q2n w - - 0 1)

Kubbel, Arvid Ivanovich

Tidskrift for Schack, 1917

6b1/3p1pP1/4pP1P/4N1k1/n5P1/4K2p/8/4Q2n

#4

7 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qf4+
          • 2...Kh4
            • 3.Sf3#
      • 1...Kh4
        • 2.Qf4
          • threat
            • 3.Sf3#
          • 2...h2
            • 3.g5+
              • 3...Kh3
                • 4.Qg4#
              • 3...Kh5
                • 4.Qg4#
      • 1...Kxf6
        • 2.Qf4+
          • 2...Ke7
            • 3.Sg6+
              • 3...Kd8
                • 4.Qb8#
              • 3...Ke8
                • 4.Qb8#
              • 3...fxg6
                • 4.Qf8#
      • 1...Kxh6
        • 2.Qf4+
          • 2...Kh7
            • 3.Sxd7
              • threat
                • 4.Sf8#
              • 3...Kg6
                • 4.Sf8#
      • 1...h2
        • 2.Qf4+
          • 2...Kh4
            • 3.g5+
              • 3...Kh3
                • 4.Qg4#
              • 3...Kh5
                • 4.Qg4#

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).