Problem Display
PID: 182615 (K6Q/8/6N1/8/3pk1B1/4p3/3p4/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problem Observer, 2015

K6Q/8/6N1/8/3pk1B1/4p3/3p4/8

#3

4 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...d3
      • 2.Qe5#
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qf5#
      • 1...e2
        • 2.Bxe2
          • threat
            • 3.Qf3#
            • 3.Qe5#
          • 2...Ke3
            • 3.Qf3#
        • 2.Qf5+
          • 2...Ke3
            • 3.Qf3#
      • 1...Kd3!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qf5#
      • 1...Kd3
        • 2.Sf4+
          • 2...Ke4
            • 3.Qf5#
      • 1...Kd5
        • 2.Bf3+
          • 2...Kd6
            • 3.Qc6#
      • 1...e2
        • 2.Qf5+
          • 2...Ke3
            • 3.Qf3#

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).