Problem Display
PID: 128417 (3k2nr/N1R5/p3p3/Q7/8/8/8/4K2b w - - 0 1)

Krikheli, Iosif Mikhailovich

Sachove umeni (Ceskoslovensky sach), 1986

3k2nr/N1R5/p3p3/Q7/8/8/8/4K2b

#3

4 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Se7
      • 2.Rc8+
        • 2...Kd7
          • 3.Qc7#
  • Tries
    • 1.Sc6+?
      • 1...Ke8
        • 2.Qb4
          • threat
            • 3.Qb8#
          • 2...Se7
            • 3.Qxe7#
      • 1...Bxc6!
    • 1.Sc8?
      • threat
        • 2.Re7+
          • 2...Kxc8
            • 3.Qc7#
        • 2.Rf7+
          • 2...Kxc8
            • 3.Qc7#
          • 2...Ke8
            • 3.Sd6#
      • 1...Ke8
        • 2.Sd6+
          • 2...Kd8
            • 3.Ra7#
            • 3.Rb7#
            • 3.Rf7#
            • 3.Rg7#
            • 3.Rh7#
          • 2...Kf8
            • 3.Rf7#
      • 1...Se7
        • 2.Rxe7+
          • 2...Kxc8
            • 3.Qc7#
      • 1...Rh5!
    • 1.Rd7+?
      • 1...Ke8
        • 2.Qd8#
      • 1...Kxd7!
    • 1.Rc8+?
      • 1...Kd7
        • 2.Qc7#
        • 2.Qd8#
      • 1...Ke7!
    • 1.Qb6?
      • threat
        • 2.Qb8#
      • 1...Se7
        • 2.Rc8+
          • 2...Kd7
            • 3.Qc7#
        • 2.Qd6+
          • 2...Ke8
            • 3.Qxe7#
        • 2.Qb8+
          • 2...Sc8
            • 3.Qxc8#
      • 1...Bb7!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rf7+
          • 2...Kc8
            • 3.Qc7#
          • 2...Ke8
            • 3.Sd6#
      • 1...Ke8
        • 2.Sd6+
          • 2...Kd8
            • 3.Ra7#
            • 3.Rb7#
            • 3.Rf7#
            • 3.Rg7#
            • 3.Rh7#
          • 2...Kf8
            • 3.Rf7#
      • 1...axb5
        • 2.Rb7+
          • 2...Kc8
            • 3.Qc7#
            • 3.Qa8#
          • 2...Ke8
            • 3.Qa8#
      • 1...Se7
        • 2.Rc8+
          • 2...Kd7
            • 3.Qc7#
          • 2...Kxc8
            • 3.Qc7#

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).