Problem Display
PID: 242894 (8/8/2BQ2K1/8/2p2N2/4k3/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problem Observer, 2021

8/8/2BQ2K1/8/2p2N2/4k3/8/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Kxf4
        • 2.Qg5#
      • 1...Kd2!
    • 1.Qd3+?
      • 1...Kf2
        • 2.Qf3+
          • 2...Ke1
            • 3.Qe2#
          • 2...Kg1
            • 3.Qg2#
      • 1...Kxf4
        • 2.Qf3+
          • 2...Ke5
            • 3.Qf6#
      • 1...cxd3!
    • 1.Qd5?
      • 1...Kf2
        • 2.Qf3+
          • 2...Ke1
            • 3.Qe2#
          • 2...Kg1
            • 3.Qg2#
      • 1...c3!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sg2+
          • 2...Kf2
            • 3.Qe1#
      • 1...Kf2
        • 2.Qf3+
          • 2...Ke1
            • 3.Qe2#
          • 2...Kg1
            • 3.Qg2#
      • 1...Kxf4
        • 2.Qf3+
          • 2...Ke5
            • 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).