Problem Display
PID: 167201 (8/5K1k/7p/7p/8/8/8/R7 w - - 0 1)

Montessori, G

L'Italia Scacchistica, 1911

8/5K1k/7p/7p/8/8/8/R7

#3

2 + 3


14986 White-Hume Collection 2018
5454 Near Snap 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kh8
      • 2.Kg6
        • threat
          • 3.Ra8#
        • 2...Kg8
          • 3.Ra8#
  • Tries
    • 1.Rb1?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...h4!
    • 1.Rc1?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Rc8#
          • 2...Kg8
            • 3.Rc8#
      • 1...h4!
    • 1.Rd1?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Rd8#
          • 2...Kg8
            • 3.Rd8#
      • 1...h4!
    • 1.Re1?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Re8#
          • 2...Kg8
            • 3.Re8#
      • 1...h4!
    • 1.Rh1?
      • threat
        • 2.Rxh5
          • 2...Kh8
            • 3.Rxh6#
      • 1...h4
        • 2.Rxh4
          • 2...Kh8
            • 3.Rxh6#
          • 2...h5
            • 3.Rxh5#
      • 1...Kh8!
    • 1.Ra2?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...h4!
    • 1.Ra3?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...h4!
    • 1.Ra5?
      • threat
        • 2.Rxh5
          • 2...Kh8
            • 3.Rxh6#
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...h4!
    • 1.Ra6?
      • 1...Kh8
        • 2.Rxh6#
      • 1...h4!
    • 1.Ra7?
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...h4!
  • Keys
    • 1.Ra4!
      • 1...Kh8
        • 2.Kg6
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...h4
        • 2.Rxh4
          • 2...Kh8
            • 3.Rxh6#
          • 2...h5
            • 3.Rxh5#

This anticipates 198092(2015)

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).