Problem Display
PID: 178810 (1K2k3/8/4N3/8/8/8/2B3Q1/8 w - - 0 1)

Shmatov, Vladimir Afanasievich

Sachmatija, 2013

1K2k3/8/4N3/8/8/8/2B3Q1/8

#3

4 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Kc7?
      • threat
        • 2.Kd6
          • 2...Kf7
            • 3.Qg6#
      • 1...Kf7
        • 2.Kd6
          • threat
            • 3.Qg6#
          • 2...Kf6
            • 3.Qf1#
            • 3.Qf3#
            • 3.Qf2#
            • 3.Qg6#
            • 3.Qg7#
          • 2...Ke8
            • 3.Bg6#
            • 3.Qg6#
            • 3.Qg8#
        • 2.Kd7
          • 2...Kf6
            • 3.Qg7#
        • 2.Qg5
          • 2...Kxe6
            • 3.Bb3#
          • 2...Ke8
            • 3.Bg6#
      • 1...Ke7!
    • 1.Kc8?
      • 1...Kf7
        • 2.Kd7
          • 2...Kf6
            • 3.Qg7#
      • 1...Ke7!
    • 1.Qg5?
      • 1...Kf7
        • 2.Kc7
          • 2...Kxe6
            • 3.Bb3#
          • 2...Ke8
            • 3.Bg6#
      • 1...Kd7!
  • Keys
    • 1.Bb3!
      • 1...Kd7
        • 2.Qb7+
          • 2...Kd6
            • 3.Qc7#
          • 2...Ke8
            • 3.Ba4#
      • 1...Ke7
        • 2.Qg7+
          • 2...Kd6
            • 3.Qc7#
          • 2...Ke8
            • 3.Ba4#
      • 1...Kf7
        • 2.Qg7+
          • 2...Ke8
            • 3.Ba4#

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).