Problem Display
PID: 79932 (k7/PqB5/2R5/5K2/8/5B2/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Novgorodskaya pravda, 1982

k7/PqB5/2R5/5K2/8/5B2/8/8

#3

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Qa6
      • 2.Rxa6#
    • 1...Qxa7
      • 2.Ra6#
    • 1...Qxc7
      • 2.Rxc7#
    • 1...Qb8
      • 2.axb8Q#
  • Tries
    • 1.Ra6?
      • 1...Qe4+
        • 2.Bxe4#
      • 1...Qd5+
        • 2.Bxd5#
      • 1...Qc6
        • 2.Bxc6#
      • 1...Qxf3+!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Rc8#
      • 1...Qd7+
        • 2.Re6+
          • 2...Qc6
            • 3.Bxc6#
          • 2...Qd5+
            • 3.Bxd5#
          • 2...Qb7
            • 3.Re8#
      • 1...Qf7+
        • 2.Rf6+
          • 2...Qd5+
            • 3.Bxd5#
          • 2...Qb7
            • 3.Rf8#
      • 1...Qh7+
        • 2.Rg6+
          • 2...Qb7
            • 3.Rg8#
      • 1...Qxb6
        • 2.Rc8+
          • 2...Kxa7
            • 3.Ra8#

FEATURES


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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).