Problem Display
PID: 107242 (1nK5/b1N5/3p4/3Bk2b/3R2p1/3p1p2/3B1p2/1Q6 w - - 0 1)

Sobek, Karel

De Waarheid, 1983

1nK5/b1N5/3p4/3Bk2b/3R2p1/3p1p2/3B1p2/1Q6

#3

6 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qa1+
        • 2...Kc5
          • 3.Qxa7#
      • 2.Qb2+
        • 2...Kc5
          • 3.Be3#
          • 3.Qb4#
      • 2.Qb4+
        • 2...Ke5
          • 3.Qf4#
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qxh5+
          • 2...Kxd4
            • 3.Se6#
          • 2...Kf6
            • 3.Qg5#
      • 1...Kxd4
        • 2.Qa1+
          • 2...Kc5
            • 3.Qxa7#
      • 1...Kf5
        • 2.Qxh5+
          • 2...Kf6
            • 3.Qg5#
      • 1...Kf6
        • 2.Qxh5
          • threat
            • 3.Qg5#
          • 2...Ke7
            • 3.Qf7#
          • 2...Kg7
            • 3.Qh6#
      • 1...Bxd4
        • 2.Qxh5+
          • 2...Kf6
            • 3.Qg5#
      • 1...Bg6
        • 2.Qh8+
          • 2...Kf5
            • 3.Be4#
            • 3.Be6#
      • 1...Bf7
        • 2.Qh8+
          • 2...Kf5
            • 3.Be4#
      • 1...Be8
        • 2.Qh8+
          • 2...Kf5
            • 3.Be4#
      • 1...Bc5
        • 2.Qxh5+
          • 2...Kxd4
            • 3.Sb5#
            • 3.Se6#
            • 3.Qh8#
          • 2...Kf6
            • 3.Qg5#

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).