Problem Display
PID: 12549 (Q7/B2p4/3p1P1R/r1rPk2K/2p2p2/p1P2R2/4P3/8 w - - 0 1)

Aschwanden, Reto

idee & form, 2000

Q7/B2p4/3p1P1R/r1rPk2K/2p2p2/p1P2R2/4P3/8

#3

9 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qe8
        • threat
          • 3.e4#
    • 1...Rxd5
      • 2.Qe8+
        • 2...Kf5
          • 3.e4#
  • Tries
    • 1.Qe8+?
      • 1...Kf5
        • 2.e4#
      • 1...Kxd5!
  • Keys
    • 1.Kg4!
      • threat
        • 2.Rxf4
          • threat
            • 3.Rh5#
          • 2...Rxd5
            • 3.Qe8#
      • 1...Ke4
        • 2.Rh5
          • threat
            • 3.Qe8#
          • 2...Rxd5
            • 3.Rxf4#
          • 2...Rc8
            • 3.Rxf4#
      • 1...Rc6
        • 2.Qe8+
          • 2...Kxd5
            • 3.Rh5#
      • 1...Rcb5
        • 2.Bd4+
          • 2...Ke4
            • 3.Rxf4#
        • 2.Rxf4
          • threat
            • 3.Bd4#
            • 3.Rh5#
          • 2...Rxd5
            • 3.Qe8#
      • 1...Rc7
        • 2.Bd4+
          • 2...Ke4
            • 3.Rxf4#
        • 2.Rxf4
          • threat
            • 3.Bd4#
            • 3.Rh5#
          • 2...Rxd5
            • 3.Qe8#
      • 1...Rc8
        • 2.Bd4+
          • 2...Ke4
            • 3.Rxf4#

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).