Problem Display
PID: 278256 (7R/N7/8/1N6/4B3/Pk6/8/K7 w - - 0 1)

Nikitin, V?

Phenix, 2009

7R/N7/8/1N6/4B3/Pk6/8/K7

#3

6 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Rc8+
        • 2...Kb3
          • 3.Bc2#
  • Tries
    • 1.Kb1?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Sc6?
      • threat
        • 2.Scd4+
          • 2...Ka4
            • 3.Ra8#
          • 2...Kc4
            • 3.Rc8#
        • 2.Rh5
          • 2...Ka4
            • 3.Bc2#
          • 2...Kc4
            • 3.Sa5#
      • 1...Ka4
        • 2.Sbd4
          • 2...Kxa3
            • 3.Ra8#
      • 1...Kc4!
    • 1.Rh3+?
      • 1...Kc4
        • 2.Rc3#
      • 1...Ka4!
    • 1.Rh6?
      • 1...Kc4
        • 2.Ka2
          • 2...Kc5
            • 3.Rc6#
        • 2.Kb2
          • 2...Kc5
            • 3.Rc6#
        • 2.Rc6+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Rh7?
      • 1...Kc4
        • 2.Rc7+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Rb8?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Rd8?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Re8?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Rf8?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
    • 1.Rg8?
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#
      • 1...Ka4!
  • Keys
    • 1.Ra8!
      • 1...Ka4
        • 2.Sd4
          • threat
            • 3.Sab5#
            • 3.Sac6#
            • 3.Sc8#
          • 2...Kxa3
            • 3.Sac6#
          • 2...Ka5
            • 3.Sc8#
      • 1...Kc4
        • 2.Rc8+
          • 2...Kb3
            • 3.Bc2#

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).