Problem Display
PID: 5269 (8/p7/2Qp4/8/1k1P4/8/1P6/2K5 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemas, 1999

8/p7/2Qp4/8/1k1P4/8/1P6/2K5

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qb5+
        • 2...Ka2
          • 3.Qa4#
  • Tries
    • 1.Kc2?
      • 1...Ka5
        • 2.Kc3
          • threat
            • 3.b4#
      • 1...d5
        • 2.Qc5+
          • 2...Ka4
            • 3.b3#
      • 1...a5
        • 2.b3
          • threat
            • 3.Qa4#
          • 2...Ka3
            • 3.Qa4#
          • 2...a4
            • 3.Qxa4#
      • 1...a6!
  • Keys
    • 1.Qa6!
      • 1...Kb3
        • 2.Qb5+
          • 2...Ka2
            • 3.Qa4#
      • 1...d5
        • 2.Kb1
          • 2...Kb3
            • 3.Qb5#

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).