Problem Display
PID: 249311 (1k1K4/R1pPp1P1/5B2/1N5B/1b1p4/2p5/4r3/3b2r1 w - - 0 1)

Grudzinski, Henryk

The Problemist, 1990

1k1K4/R1pPp1P1/5B2/1N5B/1b1p4/2p5/4r3/3b2r1

#4

7 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bf3!
      • threat
        • 2.Ra8#
      • 1...Re4
        • 2.Be5
          • threat
            • 3.Bxc7#
          • 2...Ba5
            • 3.Bxe4
              • threat
                • 4.Ra8#
            • 3.Ke8
              • threat
                • 4.d8Q#
                • 4.d8R#
          • 2...Bd6
            • 3.Ke8
              • threat
                • 4.d8Q#
                • 4.d8R#
      • 1...c6
        • 2.Bxc6
          • threat
            • 3.Ra8#
          • 2...Ba5+
            • 3.Rxa5
              • threat
                • 4.Ra8#
              • 3...Ra2
                • 4.Be5#
          • 2...Ra2
            • 3.Rb7+
              • 3...Ka8
                • 4.Sc7#
                • 4.Rb6#

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).