Problem Display
PID: 165772 (r3k3/b3pp2/2P2Pp1/3N2P1/3p3K/7Q/8/8 w q - 0 1)

Giobel, Bengt Rudolf

Upsala Nya Tidning, 1948

(First published on Tue Jul 6 1948)

r3k3/b3pp2/2P2Pp1/3N2P1/3p3K/7Q/8/8

#3

6 + 7


15422 Problemskak 2017

SOLUTION


  • SOUND
  • Sets
    • 1...Kd8
      • 2.Qd7#
    • 1...Rb8
      • 2.Kg4
        • threat
          • 3.Qh8#
        • 2...Kd8
          • 3.Qh8#
        • 2...Kf8
          • 3.Qh8#
    • 1...Rc8
      • 2.Qxc8#
    • 1...Rd8
      • 2.Kg4
        • threat
          • 3.Qh8#
        • 2...Kf8
          • 3.Qh8#
    • 1...Bb8
      • 2.Qc8#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Qh8#
      • 1...Kf8
        • 2.Qh8#
      • 1...0-0-0!
    • 1.Sc7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
    • 1.Qa3?
      • threat
        • 2.Qxe7#
      • 1...Kd8
        • 2.Qxe7+
          • 2...Kc8
            • 3.Qf8#
            • 3.Qc7#
            • 3.Qe8#
        • 2.fxe7+
          • 2...Kc8
            • 3.e8Q#
            • 3.e8R#
          • 2...Ke8
            • 3.Sf6#
            • 3.Sc7#
      • 1...0-0-0
        • 2.Qa6+
          • 2...Kb8
            • 3.Qb7#
      • 1...Kf8!
    • 1.fxe7?
      • threat
        • 2.Qd7#
      • 1...f6
        • 2.Qd7+
          • 2...Kf7
            • 3.e8Q#
            • 3.e8R#
      • 1...Rd8
        • 2.exd8Q+
          • 2...Kxd8
            • 3.Qd7#
        • 2.exd8R+
          • 2...Kxd8
            • 3.Qd7#
      • 1...f5!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Qh8#
      • 1...Bb8+
        • 2.Kg4
          • threat
            • 3.Qh8#
          • 2...Kd8
            • 3.Qh8#
          • 2...Kf8
            • 3.Qh8#

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).