Problem Display
PID: 140824 (2KQ4/k7/p3p3/5p2/2p4p/1b2p3/r1p3nb/1r2n2q w - - 0 1)

Uppstrom, Jonatan

Uppstrom, Rolf

Springaren, 2010

2KQ4/k7/p3p3/5p2/2p4p/1b2p3/r1p3nb/1r2n2q

#3

2 + 15


SOLUTION


  • SOUND
  • Sets
    • 1...Ka8
      • 2.Qb6
        • threat
          • 3.Qb7#
        • 2...Ba4
          • 3.Qxa6#
        • 2...Sf4
          • 3.Qb8#
    • 1...Bg1
      • 2.Qc7+
        • 2...Ka8
          • 3.Qb8#
          • 3.Qb7#
    • 1...Bc7
      • 2.Qxc7+
        • 2...Ka8
          • 3.Qb8#
          • 3.Qb7#
    • 1...Sf4
      • 2.Qc7+
        • 2...Ka8
          • 3.Qb8#
        • 2...Qb7+
          • 3.Qxb7#
    • 1...f4
      • 2.Qc7+
        • 2...Ka8
          • 3.Qb8#
          • 3.Qb7#
    • 1...e5
      • 2.Qc7+
        • 2...Ka8
          • 3.Qb8#
          • 3.Qb7#
  • Tries
    • 1.Qb6+?
      • 1...Ka8
        • 2.Qb7#
      • 1...Kxb6!
    • 1.Qc7+?
      • 1...Ka8
        • 2.Qb7#
      • 1...Bxc7!
    • 1.Qe7+?
      • 1...Bc7
        • 2.Qxc7+
          • 2...Ka8
            • 3.Qb8#
            • 3.Qb7#
      • 1...Kb6!
    • 1.Qd7+?
      • 1...Bc7
        • 2.Qxc7+
          • 2...Ka8
            • 3.Qb8#
            • 3.Qb7#
      • 1...Kb6!
  • Keys
    • 1.Qd4+!
      • 1...Ka8
        • 2.Qb6
          • threat
            • 3.Qb7#
          • 2...Ba4
            • 3.Qxa6#
          • 2...Sf4
            • 3.Qb8#

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).