Problem Display
PID: 143353 (k4n2/3p3n/1K1p3Q/1p5p/8/8/1r6/3b4 w - - 0 1)

Lind, Ingemar

Uppstrom, Rolf

The Problemist, 2011

k4n2/3p3n/1K1p3Q/1p5p/8/8/1r6/3b4

#4

2 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc8#
      • 1...Rc2
        • 2.Qa3+
          • 2...Kb8
            • 3.Qa7+
              • 3...Kc8
                • 4.Qa8#
      • 1...Bc2
        • 2.Qh1+
          • 2...Be4
            • 3.Qxe4+
              • 3...Kb8
                • 4.Qb7#
                • 4.Qe8#
              • 3...d5
                • 4.Qe8#
          • 2...d5
            • 3.Qxd5+
              • 3...Kb8
                • 4.Qb7#

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).