Problem Display
PID: 163864 (8/3Nk3/3N4/6p1/K7/7B/8/3Q4 w - - 0 1)

Shumarin, Vladimir Pavlovich

Zadachi i Etyudi, 2014

8/3Nk3/3N4/6p1/K7/7B/8/3Q4

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qc2?
      • 1...Kd8
        • 2.Qc8+
          • 2...Ke7
            • 3.Qf8#
      • 1...g4!
    • 1.Qc1?
      • threat
        • 2.Qxg5+
          • 2...Kxd6
            • 3.Qc5#
      • 1...Kd8
        • 2.Qc8+
          • 2...Ke7
            • 3.Qf8#
      • 1...g4!
    • 1.Qd4?
      • threat
        • 2.Qf6#
      • 1...Kd8
        • 2.Bg4
          • 2...Kc7
            • 3.Qb6#
          • 2...Ke7
            • 3.Qf6#
      • 1...g4!
    • 1.Qd5?
      • threat
        • 2.Qxg5+
          • 2...Kxd6
            • 3.Qc5#
      • 1...Kd8
        • 2.Qa8+
          • 2...Kc7
            • 3.Sb5#
            • 3.Se8#
          • 2...Ke7
            • 3.Qf8#
      • 1...g4!
  • Keys
    • 1.Bg4!
      • 1...Kd8
        • 2.Qd4
          • 2...Kc7
            • 3.Qb6#
          • 2...Ke7
            • 3.Qf6#

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).