Problem Display
PID: 42274 (8/6P1/4p3/k1K1P2R/8/6P1/8/8 w - - 0 1)

Grande, Joralf

Problem (Zagreb), 1964

8/6P1/4p3/k1K1P2R/8/6P1/8/8

#3

5 + 2


4884 154 norske miniatyrproblemer 1974
2012 Miniature Chess Problems from Many Countries 1981
133 The Problemist Supplement 2007

SOLUTION


  • SOUND
  • Tries
    • 1.Rh3?
      • 1...Ka4
        • 2.g4
          • 2...Ka5
            • 3.Ra3#
      • 1...Ka6!
    • 1.Rh7?
      • 1...Ka6
        • 2.g8Q
          • 2...Ka5
            • 3.Ra7#
            • 3.Qa8#
        • 2.g8S
          • 2...Ka5
            • 3.Ra7#
        • 2.g8B
          • 2...Ka5
            • 3.Ra7#
        • 2.g8R
          • 2...Ka5
            • 3.Ra7#
            • 3.Ra8#
      • 1...Ka4!
    • 1.g4?
      • 1...Ka4
        • 2.Rh3
          • 2...Ka5
            • 3.Ra3#
      • 1...Ka6!
    • 1.g8Q?
      • threat
        • 2.Qa8#
      • 1...Ka6
        • 2.Qa8#
      • 1...Ka4!
    • 1.g8S?
      • 1...Ka6
        • 2.Rh7
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka4!
    • 1.g8B?
      • 1...Ka6
        • 2.Rh7
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka4!
    • 1.g8R?
      • threat
        • 2.Ra8#
      • 1...Ka6
        • 2.Rh7
          • 2...Ka5
            • 3.Ra7#
            • 3.Ra8#
        • 2.Rg7
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka4!
  • Keys
    • 1.Rf5!
      • 1...Ka4
        • 2.Rf3
          • 2...Ka5
            • 3.Ra3#
      • 1...Ka6
        • 2.Rf7
          • 2...Ka5
            • 3.Ra7#
      • 1...exf5
        • 2.g8Q
          • threat
            • 3.Qa2#
            • 3.Qa8#
          • 2...Ka4
            • 3.Qa2#
          • 2...Ka6
            • 3.Qa8#

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).