Problem Display
PID: 143122 (4R3/k2p4/p4P2/3K4/8/8/1P3P2/6Q1 w - - 0 1)

Vitale, Luigi

Phenix, 1988

4R3/k2p4/p4P2/3K4/8/8/1P3P2/6Q1

#3

6 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qe1?
      • 1...Kb6
        • 2.Qb4+
          • 2...Ka7
            • 3.Qb8#
          • 2...Kc7
            • 3.Qb8#
      • 1...Kb7
        • 2.Qb4+
          • 2...Ka7
            • 3.Qb8#
          • 2...Kc7
            • 3.Qb8#
      • 1...d6
        • 2.Kc6
          • threat
            • 3.Qe3#
            • 3.Qe7#
          • 2...a5
            • 3.Qxa5#
      • 1...a5!
  • Keys
    • 1.Qg4!
      • 1...Kb6
        • 2.Qb4+
          • 2...Ka7
            • 3.Qb8#
          • 2...Kc7
            • 3.Qb8#
      • 1...Kb7
        • 2.Qb4+
          • 2...Ka7
            • 3.Qb8#
          • 2...Kc7
            • 3.Qb8#
      • 1...a5
        • 2.Qxd7+
          • 2...Ka6
            • 3.Re6#
          • 2...Kb6
            • 3.Re6#
      • 1...d6
        • 2.Re7+
          • 2...Kb6
            • 3.Qb4#
          • 2...Ka8
            • 3.Qc8#
            • 3.Qg8#
          • 2...Kb8
            • 3.Qg8#

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).