Problem Display
PID: 143697 (8/8/5p2/R7/3k3P/8/4Q3/7K w - - 0 1)

van Rey, Loek

Probleemblad, 2011

8/8/5p2/R7/3k3P/8/4Q3/7K

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qc2!
      • 1...Ke3
        • 2.Ra4
          • threat
            • 3.Re4+
              • 3...Kf3
                • 4.Qg2#
          • 2...Kf3
            • 3.Re4
              • threat
                • 4.Qg2#
              • 3...Kg3
                • 4.Qg2#
          • 2...f5
            • 3.Kg2
              • 3...f4
                • 4.Re4#
      • 1...f5
        • 2.Qb3
          • 2...Ke4
            • 3.Qc3
              • 3...Kf4
                • 4.Ra4#
              • 3...f4
                • 4.Re5#
          • 2...f4
            • 3.Rd5+
              • 3...Ke4
                • 4.Qd3#

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).