Problem Display
PID: 265420 (8/8/2k5/3N4/2K5/8/8/2Q5 w - - 0 1)

Zenkov, V

Zadachi i Etyudi, 2010

8/8/2k5/3N4/2K5/8/8/2Q5

#3

3 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Qa3?
      • 1...Kd7
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kb7!
    • 1.Qf4?
      • threat
        • 2.Qc7#
      • 1...Kb7
        • 2.Qc7+
          • 2...Ka6
            • 3.Sb4#
            • 3.Qb6#
          • 2...Ka8
            • 3.Sb6#
      • 1...Kd7!
    • 1.Qg5?
      • 1...Kd6
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
      • 1...Kd7
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kb7!
    • 1.Qh6+?
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kd7!
    • 1.Qe1?
      • 1...Kd6
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
      • 1...Kd7
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kb7!
  • Keys
    • 1.Qe3!
      • 1...Kd6
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
      • 1...Kb7
        • 2.Qb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kd7
        • 2.Qe7+
          • 2...Kc6
            • 3.Qc7#
          • 2...Kc8
            • 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).