Problem Display
PID: 33844 (4B3/8/8/1Q5K/3p4/2kN4/5P2/8 w - - 0 1)

Howard, David M

Problem Observer, 1994

4B3/8/8/1Q5K/3p4/2kN4/5P2/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Kc4
        • 2.Qc2+
          • 2...Kd5
            • 3.Qc6#
      • 1...Kxd3!
    • 1.Qb3+?
      • 1...Kd2
        • 2.Ba4
          • 2...Ke2
            • 3.Qd1#
      • 1...Kxb3!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Ba4
          • threat
            • 3.Qc2#
          • 2...Kd2
            • 3.Qc2#
          • 2...Kc4
            • 3.Qb3#
      • 1...Kd2
        • 2.Ba4
          • threat
            • 3.Qc2#
          • 2...Ke2
            • 3.Qd1#
          • 2...Kc3
            • 3.Qc2#
      • 1...Kc4
        • 2.Qc2+
          • 2...Kd5
            • 3.Qc6#

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).