Problem Display
PID: 138393 (8/K7/8/1k6/R7/1p6/1P6/R7 w - - 0 1)

Martin, Godefroy Jose

Die Schwalbe, 1964

8/K7/8/1k6/R7/1p6/1P6/R7

#3

4 + 2


23 Die Schwalbe 2010
3713 Snap 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Rd4?
      • threat
        • 2.Rc1
          • 2...Ka5
            • 3.Rc5#
      • 1...Kc6
        • 2.Ra5
          • 2...Kc7
            • 3.Rc5#
      • 1...Kc5!
    • 1.Ra5+?
      • 1...Kc6
        • 2.Rd1
          • 2...Kc7
            • 3.Rc5#
      • 1...Kc4!
  • Keys
    • 1.Rd1!
      • 1...Kxa4
        • 2.Kb6
          • 2...Kb4
            • 3.Rd4#
      • 1...Kc5
        • 2.Ka6
          • 2...Kc6
            • 3.Rc4#
      • 1...Kc6
        • 2.Ra5
          • 2...Kc7
            • 3.Rc5#

Anticipated by 197013(1918)

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).