Problem Display
PID: 17080 (6k1/5pPp/2p4P/2P1N3/1P2P3/4pR2/4Pp2/5K2 w - - 0 1)

Gordian, Yury Markovic

Zelepukhin, Nikolai Pavlovich

5th Prize, Source?, 1962

6k1/5pPp/2p4P/2P1N3/1P2P3/4pR2/4Pp2/5K2

#3

9 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...f5
      • 2.Rf4
        • 2...fxe4
          • 3.Rf8#
    • 1...f6
      • 2.Rf5
        • 2...fxe5
          • 3.Rf8#
  • Tries
    • 1.Rxf2?
      • 1...f5
        • 2.Rf4
          • 2...fxe4
            • 3.Rf8#
      • 1...f6
        • 2.Rf5
          • 2...fxe5
            • 3.Rf8#
      • 1...exf2!
    • 1.Rf4?
      • 1...f6
        • 2.Rf5
          • 2...fxe5
            • 3.Rf8#
      • 1...f5!
  • Keys
    • 1.b5!
      • threat
        • 2.Rxf7
          • 2...cxb5
            • 3.Rf8#
      • 1...cxb5
        • 2.Rxf7
          • 2...b4
            • 3.Rf8#
      • 1...f6
        • 2.Rxf6
          • 2...cxb5
            • 3.Rf8#
      • 1...f5
        • 2.Rxf5
          • 2...cxb5
            • 3.Rf8#

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).