Problem Display
PID: 40999 (5N1k/5Kp1/8/8/8/8/PPPPPP1P/R7 w - - 0 1)

Russ, Colin Albert Harry

The Problemist, 2002

5N1k/5Kp1/8/8/8/8/PPPPPP1P/R7

#3

10 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Rg1?
      • threat
        • 2.Rg3
          • threat
            • 3.Rh3#
      • 1...g6
        • 2.Rg3
          • 2...g5
            • 3.Rh3#
      • 1...g5!
    • 1.a4?
      • threat
        • 2.Ra3
          • threat
            • 3.Rh3#
      • 1...g6
        • 2.Ra3
          • 2...g5
            • 3.Rh3#
      • 1...g5!
    • 1.h3?
      • 1...g5
        • 2.Rh1
          • 2...g4
            • 3.hxg4#
      • 1...g6!
    • 1.h4?
      • 1...g6
        • 2.Rh1
          • 2...g5
            • 3.hxg5#
      • 1...g5!
  • Keys
    • 1.Rh1!
      • 1...g5
        • 2.h3
          • 2...g4
            • 3.hxg4#
      • 1...g6
        • 2.h4
          • 2...g5
            • 3.hxg5#

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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).