Problem Display
PID: 265971 (5k2/3R3p/1p1pP2N/3p1K2/4pp2/5pp1/4n3/1b1r2b1 w - - 0 1)

Kozdon, Baldur

The Problemist, 1996

5k2/3R3p/1p1pP2N/3p1K2/4pp2/5pp1/4n3/1b1r2b1

#5

4 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Ra7!
      • threat
        • 2.Ra8+
          • 2...Kg7
            • 3.Kg5
              • threat
                • 4.Sf5#
                • 4.Rg8#
      • 1...Rc1
        • 2.Ra8+
          • 2...Kg7
            • 3.Kg5
              • threat
                • 4.Sf5#
                • 4.Rg8#
              • 3...Rc8
                • 4.Sf5+
                  • 4...Kf8
                    • 5.Rxc8#
                  • 4...Kg8
                    • 5.Rxc8#
                  • 4...Kh8
                    • 5.Rxc8#
                • 4.Rxc8
                  • threat
                    • 5.Sf5#
                    • 5.Rg8#
          • 2...Rc8
            • 3.Rxc8+
              • 3...Kg7
                • 4.Kg5
                  • threat
                    • 5.Sf5#
                    • 5.Rg8#
      • 1...Bd4
        • 2.e7+
          • 2...Kg7
            • 3.e8Q+
              • 3...Kxh6
                • 4.Qh5+
                  • 4...Kxh5
                    • 5.Rxh7#
          • 2...Ke8
            • 3.Ke6
              • threat
                • 4.Ra8#
              • 3...Rc1
                • 4.Ra8+
                  • 4...Rc8
                    • 5.Rxc8#

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).