Problem Display
PID: 173222 (8/8/8/8/2N1Nk2/2K5/6Q1/8 w - - 0 1)

Howard, David M

Problem Observer, 1994

8/8/8/8/2N1Nk2/2K5/6Q1/8

#3

4 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Scd2?
      • threat
        • 2.Qg5#
      • 1...Ke5
        • 2.Qg6
          • 2...Kf4
            • 3.Qg5#
          • 2...Kd5
            • 3.Qd6#
      • 1...Kf5!
    • 1.Sb6?
      • 1...Ke5
        • 2.Qf3
          • 2...Ke6
            • 3.Qf6#
      • 1...Kf5!
    • 1.Qf1+?
      • 1...Kg4
        • 2.Se5+
          • 2...Kh4
            • 3.Qh1#
          • 2...Kh5
            • 3.Qh3#
            • 3.Qh1#
      • 1...Kxe4!
    • 1.Qf2+?
      • 1...Kg4
        • 2.Se5+
          • 2...Kh3
            • 3.Sg5#
            • 3.Qg3#
          • 2...Kh5
            • 3.Qh2#
      • 1...Kxe4!
    • 1.Qg5+?
      • 1...Kxe4
        • 2.Sd2#
      • 1...Kf3!
  • Keys
    • 1.Scd6!
      • threat
        • 2.Qg3#
      • 1...Ke5
        • 2.Qg8
          • 2...Kf4
            • 3.Qg3#

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).