Problem Display
PID: 200715 (8/1NK5/8/3k4/1B6/8/1pQ5/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Zadachi i Etyudi, 2017

8/1NK5/8/3k4/1B6/8/1pQ5/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Bc3?
      • threat
        • 2.Qd3+
          • 2...Ke6
            • 3.Qd7#
        • 2.Qa4
          • threat
            • 3.Qc6#
          • 2...Ke6
            • 3.Qd7#
      • 1...Kc4
        • 2.Kc6
          • threat
            • 3.Sa5#
            • 3.Sd6#
        • 2.Sd6+
          • 2...Kc5
            • 3.Qf5#
          • 2...Kd5
            • 3.Qf5#
      • 1...Ke6
        • 2.Qg6+
          • 2...Kd5
            • 3.Qc6#
          • 2...Ke7
            • 3.Bb4#
      • 1...b1S
        • 2.Qd3+
          • 2...Ke6
            • 3.Qd7#
      • 1...b1B
        • 2.Qa4
          • threat
            • 3.Qc6#
          • 2...Ke6
            • 3.Qd7#
      • 1...b1R
        • 2.Qd3+
          • 2...Ke6
            • 3.Qd7#
      • 1...b1Q!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qe4#
      • 1...Ke5
        • 2.Qf5+
          • 2...Kd4
            • 3.Qe4#
      • 1...Ke6
        • 2.Qf5+
          • 2...Ke7
            • 3.Qf7#
      • 1...b1Q
        • 2.Qc4+
          • 2...Ke5
            • 3.Bc3#
      • 1...b1B
        • 2.Qc4+
          • 2...Ke5
            • 3.Bc3#

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).