Problem Display
PID: 223744 (5R2/K7/1Nk1N3/8/8/6B1/8/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Deutsche Schachzeitung, 1969

5R2/K7/1Nk1N3/8/8/6B1/8/8

#3

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sd8+?
      • 1...Kb5
        • 2.Bd6
          • 2...Ka5
            • 3.Rf5#
      • 1...Kc5!
    • 1.Bd6?
      • 1...Kb5
        • 2.Kb7
          • 2...Ka5
            • 3.Rf5#
        • 2.Sd4+
          • 2...Ka5
            • 3.Rf5#
        • 2.Sd8
          • 2...Ka5
            • 3.Rf5#
        • 2.Rf6
          • 2...Ka5
            • 3.Rf5#
          • 2...Kc6
            • 3.Sd4#
      • 1...Kxd6!
    • 1.Rf4?
      • 1...Kb5
        • 2.Sc7+
          • 2...Ka5
            • 3.Be1#
            • 3.Ra4#
          • 2...Kc5
            • 3.Rc4#
          • 2...Kc6
            • 3.Rc4#
      • 1...Kd6!
  • Keys
    • 1.Rf6!
      • 1...Kb5
        • 2.Bd6
          • 2...Ka5
            • 3.Rf5#
          • 2...Kc6
            • 3.Sd4#

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).