Problem Display
PID: 195759 (qb6/p3Qp2/4pr2/1b1pNk2/6R1/7P/2pPP3/2K5 w - - 0 1)

Rietveld, Johannes Jacob

Comm., Haagsche Post, 1921

qb6/p3Qp2/4pr2/1b1pNk2/6R1/7P/2pPP3/2K5

#3

7 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rg6
      • 2.Qxf7+
        • 2...Kxe5
          • 3.Qf4#
        • 2...Rf6
          • 3.Qh5#
    • 1...Rh6
      • 2.Qg5#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qe3
          • threat
            • 3.Rg5#
            • 3.Qf4#
            • 3.Qg5#
      • 1...Kxe5
        • 2.d4+
          • 2...Kf5
            • 3.e4#
      • 1...Bxe2
        • 2.Qe3
          • threat
            • 3.Rg5#
            • 3.Qf4#
            • 3.Qg5#
          • 2...Bxg4
            • 3.hxg4#
      • 1...Bxe5
        • 2.Qf2+
          • 2...Bf4
            • 3.Qxf4#
        • 2.Qxc2+
          • 2...Bd3
            • 3.Qxd3#
      • 1...Rg6
        • 2.Qf2+
          • 2...Kxe5
            • 3.Qf4#
      • 1...Rh6
        • 2.Qf2+
          • 2...Kxe5
            • 3.Qf4#
        • 2.Qe3
          • threat
            • 3.Qf4#
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg5#
      • 1...Bd6
        • 2.Qf2+
          • 2...Kxe5
            • 3.d4#
      • 1...d4
        • 2.Sc6+
          • 2...Be5
            • 3.Sxd4#
            • 3.Se7#
            • 3.Qxe5#
          • 2...e5
            • 3.Sxd4#

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).