Problem Display
PID: 45795 (n1N5/2p5/2N5/2k5/4Q3/8/8/7K w - - 0 1)

Vatarescu, Paul

The Problemist Supplement, 2002

n1N5/2p5/2N5/2k5/4Q3/8/8/7K

#3

4 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Qc4#
      • 1...Kb5
        • 2.Qc4+
          • 2...Ka5
            • 3.Sc6#
      • 1...Sb6!
    • 1.S8e7?
      • threat
        • 2.Qb4#
      • 1...Kb6
        • 2.Qa4
          • 2...Kc5
            • 3.Qb4#
          • 2...Kb7
            • 3.Qa7#
      • 1...Kb5!
  • Keys
    • 1.S8a7!
      • threat
        • 2.Qd4#
      • 1...Kb6
        • 2.Qb4+
          • 2...Ka6
            • 3.Qb5#
      • 1...Kd6
        • 2.Qe5+
          • 2...Kd7
            • 3.Qe7#

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).