Problem Display
PID: 100721 (k7/1rp5/1p6/8/1N2Q3/8/8/K7 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Narodni osvobozeni, 1933

k7/1rp5/1p6/8/1N2Q3/8/8/K7

#3

3 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qe8+?
      • 1...Rb8
        • 2.Qa4+
          • 2...Kb7
            • 3.Qa6#
      • 1...Ka7!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qa4+
          • 2...Ra7
            • 3.Qxa7#
        • 2.Qe8+
          • 2...Rb8
            • 3.Qxb8#
      • 1...Ra7+
        • 2.Sa5+
          • 2...Kb8
            • 3.Qe8#
          • 2...Rb7
            • 3.Qxb7#
          • 2...c6
            • 3.Qe8#
      • 1...Rb8
        • 2.Sd8+
          • 2...Ka7
            • 3.Qa4#
          • 2...Rb7
            • 3.Qxb7#
          • 2...c6
            • 3.Qa4#
      • 1...b5
        • 2.Qe8+
          • 2...Rb8
            • 3.Qxb8#

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).