Problem Display
PID: 261758 (kN6/rRB5/8/2N5/8/8/8/5B1K w - - 0 1)

Mlynka, Karol

2nd Place, SuperProblem, 2019

kN6/rRB5/8/2N5/8/8/8/5B1K

#3

6 + 2


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Ra5
      • 2.Sc6
        • threat
          • 3.Rb8#
        • 2...Rb5
          • 3.Ra7#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Rxa7#
        • 2.Rb8#
      • 1...Ra1
        • 2.Rb8#
      • 1...Ra2
        • 2.Rb8#
      • 1...Ra3
        • 2.Rb8#
      • 1...Ra4
        • 2.Rb8#
      • 1...Ra5
        • 2.Rb8#
      • 1...Ra6
        • 2.Rb8#
      • 1...Rxb7!
    • 1.Sbd7?
      • threat
        • 2.Sb6#
        • 2.Rb8#
      • 1...Ra6
        • 2.Bb6
          • threat
            • 3.Rb8#
          • 2...Rxb6
            • 3.Sxb6#
      • 1...Rxb7!
    • 1.Ba6?
      • threat
        • 2.Sc6
          • threat
            • 3.Rxa7#
            • 3.Rb8#
          • 2...Rxb7
            • 3.Bxb7#
      • 1...Rxb7
        • 2.Bxb7+
          • 2...Ka7
            • 3.Sc6#
      • 1...Rxa6!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Rb1+
          • 2...Rb7
            • 3.Ra1#
        • 2.Rb2+
          • 2...Rb7
            • 3.Ra2#
        • 2.Rb3+
          • 2...Rb7
            • 3.Ra3#
        • 2.Rb4+
          • 2...Rb7
            • 3.Ra4#
        • 2.Rb5+
          • 2...Rb7
            • 3.Ra5#
        • 2.Rb6+
          • 2...Rb7
            • 3.Ra6#
      • 1...Ra1+
        • 2.Rb1+
          • 2...Ka7
            • 3.Rxa1#
      • 1...Rxb7
        • 2.Bxb7+
          • 2...Ka7
            • 3.Sc6#
      • 1...Ra2
        • 2.Rb2+
          • 2...Ka7
            • 3.Rxa2#
      • 1...Ra3
        • 2.Rb3+
          • 2...Ka7
            • 3.Rxa3#
      • 1...Ra4
        • 2.Rb4+
          • 2...Ka7
            • 3.Rxa4#
      • 1...Ra5
        • 2.Rb5+
          • 2...Ka7
            • 3.Rxa5#
      • 1...Ra6
        • 2.Rb6+
          • 2...Ka7
            • 3.Rxa6#

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).