Problem Display
PID: 239885 (b2rkr2/2ppPppP/1np3Pq/2N3p1/3B3n/4R3/K7/3Q4 w - - 0 1)

Rozovski, Aleksandr

Variantim, 2009

b2rkr2/2ppPppP/1np3Pq/2N3p1/3B3n/4R3/K7/3Q4

#4

8 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Bf6!
      • threat
        • 2.exd8Q#
        • 2.exd8S#
        • 2.exd8B#
        • 2.exd8R#
      • 1...gxf6
        • 2.Qd6
          • threat
            • 3.exf8Q#
            • 3.exf8S#
            • 3.exf8B#
            • 3.exf8R#
          • 2...cxd6
            • 3.Se4
              • threat
                • 4.Sxd6#
                • 4.Sxf6#
              • 3...Kxe7
                • 4.Sd2#
                • 4.Sf2#
                • 4.Sc3#
                • 4.Sg3#
                • 4.Sc5#
                • 4.Sxg5#
          • 2...Rg8
            • 3.hxg8Q+
              • 3...Qf8
                • 4.Qxf8#
                • 4.gxf7#
                • 4.exf8Q#
                • 4.exf8S#
                • 4.exf8B#
                • 4.exf8R#
            • 3.hxg8R+
              • 3...Qf8
                • 4.Rxf8#
                • 4.exf8Q#
                • 4.exf8S#
                • 4.exf8B#
                • 4.exf8R#
            • 3.Qxf6
              • threat
                • 4.Qxf7#
                • 4.gxf7#
                • 4.exd8Q#
                • 4.exd8R#
          • 2...Rh8
            • 3.Qxf6
              • threat
                • 4.Qxf7#
                • 4.gxf7#
                • 4.exd8Q#
                • 4.exd8R#
      • 1...Rb8
        • 2.Qxd7+
          • 2...Sxd7
            • 3.exf8Q+
              • 3...Kxf8
                • 4.Sxd7#
            • 3.exf8R+
              • 3...Kxf8
                • 4.Sxd7#
      • 1...Rc8
        • 2.Qxd7+
          • 2...Sxd7
            • 3.exf8Q+
              • 3...Kxf8
                • 4.Sxd7#
            • 3.exf8R+
              • 3...Kxf8
                • 4.Sxd7#

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).