Problem Display
PID: 185510 (1R6/8/1N2P3/1kP5/3K4/8/1P6/8 w - - 0 1)

Smutny, Jan

Lidove noviny, 1909

1R6/8/1N2P3/1kP5/3K4/8/1P6/8

#3

6 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kb4
      • 2.Sc4+
        • 2...Ka4
          • 3.b3#
  • Tries
    • 1.Sc4+?
      • 1...Kc6
        • 2.Sd6
          • 2...Kc7
            • 3.Rc8#
      • 1...Ka6!
    • 1.Sc8+?
      • 1...Ka4
        • 2.Kc4
          • 2...Ka5
            • 3.Ra8#
      • 1...Ka6
        • 2.Kc4
          • 2...Ka5
            • 3.Ra8#
      • 1...Kc6
        • 2.Sd6
          • 2...Kc7
            • 3.Rc8#
      • 1...Ka5!
    • 1.e7?
      • threat
        • 2.e8Q+
          • 2...Kb4
            • 3.Sc4#
            • 3.Qa4#
          • 2...Ka5
            • 3.Qa4#
          • 2...Ka6
            • 3.Qa4#
      • 1...Kb4
        • 2.Sc4+
          • 2...Ka4
            • 3.b3#
            • 3.e8Q#
            • 3.e8B#
      • 1...Ka5
        • 2.e8Q
          • threat
            • 3.Qa4#
          • 2...Kb4
            • 3.Sc4#
            • 3.Qa4#
          • 2...Ka6
            • 3.Qa4#
      • 1...Kc6
        • 2.Sd5
          • 2...Kd7
            • 3.e8Q#
        • 2.Sa8
          • 2...Kd7
            • 3.e8Q#
        • 2.e8Q+
          • 2...Kc7
            • 3.Sd5#
            • 3.Sa8#
            • 3.Qc8#
      • 1...Ka6!
  • Keys
    • 1.c6!
      • 1...Kb4
        • 2.Sc4+
          • 2...Ka4
            • 3.b3#
      • 1...Ka5
        • 2.Kc5
          • 2...Ka6
            • 3.Ra8#
      • 1...Ka6
        • 2.Kc5
          • threat
            • 3.Ra8#
          • 2...Ka5
            • 3.Ra8#
          • 2...Ka7
            • 3.Ra8#
      • 1...Kxc6
        • 2.Sd5
          • 2...Kd6
            • 3.Rb6#

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).