Problem Display
PID: 213602 (k7/8/8/6Q1/3B1p2/8/1K5b/7b w - - 0 1)

Horwitz, Walter

De Telegraaf, 1928

k7/8/8/6Q1/3B1p2/8/1K5b/7b

#3

3 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Bb7
      • 2.Qd8+
        • 2...Bc8
          • 3.Qxc8#
      • 2.Qg8+
        • 2...Bc8
          • 3.Qxc8#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qa7#
      • 1...Bb7
        • 2.Qd8+
          • 2...Bc8
            • 3.Qxc8#
        • 2.Qf8+
          • 2...Bc8
            • 3.Qxc8#
        • 2.Qe8+
          • 2...Bc8
            • 3.Qxc8#
      • 1...Kb8!
    • 1.Qg7?
      • threat
        • 2.Qa7#
      • 1...Bb7
        • 2.Qf8+
          • 2...Bc8
            • 3.Qxc8#
        • 2.Qh8+
          • 2...Bc8
            • 3.Qxc8#
        • 2.Qg8+
          • 2...Bc8
            • 3.Qxc8#
      • 1...Kb8!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qa6+
          • 2...Kb8
            • 3.Be5#
        • 2.Qb6
          • threat
            • 3.Qa7#
      • 1...Bb7
        • 2.Qe8+
          • 2...Bc8
            • 3.Qxc8#
      • 1...Bg1
        • 2.Qa6+
          • 2...Kb8
            • 3.Be5#
      • 1...f3
        • 2.Qb6
          • threat
            • 3.Qa7#
          • 2...Bb8
            • 3.Qc6#

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).