Problem Display
PID: 46892 (7n/8/4K1N1/6k1/5RN1/6p1/8/8 w - - 0 1)

Vovnejko, Viktor Ivanovich

2nd HM., Freie Presse, 1974

7n/8/4K1N1/6k1/5RN1/6p1/8/8

#5

4 + 3


3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Keys
    • 1.Sf6!
      • threat
        • 2.Rg4+
          • 2...Kh6
            • 3.Sxh8
              • 3...g2
                • 4.Sf7#
                • 4.Rg6#
            • 3.Sh4
              • threat
                • 4.Sf5#
            • 3.Se7
              • threat
                • 4.Sf5#
                • 4.Seg8#
      • 1...Kxg6
        • 2.Rg4+
          • 2...Kh6
            • 3.Kf5
              • threat
                • 4.Rxg3
                  • 4...Sg6
                    • 5.Rxg6#
                  • 4...Sf7
                    • 5.Rg6#
              • 3...g2
                • 4.Rxg2
                  • 4...Sg6
                    • 5.Rxg6#
                  • 4...Sf7
                    • 5.Rg6#
      • 1...Sxg6
        • 2.Rf5+
          • 2...Kh6
            • 3.Rh5+
              • 3...Kg7
                • 4.Rh7+
                  • 4...Kf8
                    • 5.Rf7#

FEATURES


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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).