Problem Display
PID: 255176 (8/8/8/4p1kB/4K1N1/8/8/7R w - - 0 1)

Ivanov, Valery Alekseevich

Zadachi i Etyudi, 2006

8/8/8/4p1kB/4K1N1/8/8/7R

#5

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kf3!
      • threat
        • 2.Bf7
          • threat
            • 3.Rh5#
          • 2...e4+
            • 3.Kg3
              • threat
                • 4.Rh5#
              • 3...Kf5
                • 4.Rh5#
      • 1...e4+
        • 2.Kg3
          • threat
            • 3.Bf7
              • threat
                • 4.Rh5#
              • 3...Kf5
                • 4.Rh5#
          • 2...Kf5
            • 3.Bf7
              • threat
                • 4.Rh5#
              • 3...e3
                • 4.Kf3
                  • threat
                    • 5.Rh5#
                  • 4...Kg5
                    • 5.Rh5#
          • 2...e3
            • 3.Bf7
              • threat
                • 4.Rh5#
              • 3...Kf5
                • 4.Kf3
                  • threat
                    • 5.Rh5#
                  • 4...Kg5
                    • 5.Rh5#
      • 1...Kf5
        • 2.Bf7
          • threat
            • 3.Rh5#
          • 2...e4+
            • 3.Kg3
              • threat
                • 4.Rh5#
              • 3...e3
                • 4.Kf3
                  • threat
                    • 5.Rh5#
                  • 4...Kg5
                    • 5.Rh5#

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).