Problem Display
PID: 180652 (2K5/8/8/2p5/2k5/1N4Q1/B7/8 w - - 0 1)

Howard, David M

Problem Observer, 2012

2K5/8/8/2p5/2k5/1N4Q1/B7/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...Kb4
        • 2.Qb3+
          • 2...Ka5
            • 3.Qb5#
      • 1...Kxd4!
    • 1.Qe5?
      • 1...Kb4
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
          • 2...Ka6
            • 3.Qa5#
      • 1...Kd3!
    • 1.Qe3?
      • 1...Kb4
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
          • 2...Ka6
            • 3.Qa5#
      • 1...Kd5!
    • 1.Qg5?
      • 1...Kc3
        • 2.Qd2+
          • 2...Kc4
            • 3.Sd4#
      • 1...Kb4
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
          • 2...Ka6
            • 3.Qa5#
      • 1...Kd3!
  • Keys
    • 1.Qd6!
      • 1...Kc3
        • 2.Qd2+
          • 2...Kc4
            • 3.Sd4#
      • 1...Kb4
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
      • 1...Kb5
        • 2.Qxc5+
          • 2...Ka4
            • 3.Qa5#
          • 2...Ka6
            • 3.Qa5#

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).