Problem Display
PID: 190828 (3K4/8/p1kpB3/8/1Q6/8/8/8 w - - 0 1)

Johner, Paul Ferdinand

Der Schachwart, 1913

3K4/8/p1kpB3/8/1Q6/8/8/8

#3

3 + 3


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...d5
      • 2.Bd7#
  • Tries
    • 1.Kc8?
      • 1...d5
        • 2.Bd7#
      • 1...a5!
    • 1.Bb3?
      • 1...d5
        • 2.Ba4#
      • 1...a5!
    • 1.Bf7?
      • 1...d5
        • 2.Be8#
      • 1...a5!
    • 1.Qc3+?
      • 1...Kb5
        • 2.Kc7
          • threat
            • 3.Bd7#
          • 2...Ka4
            • 3.Bd7#
          • 2...a5
            • 3.Qc4#
        • 2.Bd7+
          • 2...Kb6
            • 3.Qc7#
      • 1...Kb7
        • 2.Qc7+
          • 2...Ka8
            • 3.Bd5#
      • 1...Kb6!
    • 1.Qa5?
      • threat
        • 2.Bd5#
      • 1...Kb7
        • 2.Bd5+
          • 2...Ka7
            • 3.Qc7#
          • 2...Kb8
            • 3.Qb6#
            • 3.Qc7#
        • 2.Qc7+
          • 2...Ka8
            • 3.Bd5#
      • 1...d5!
    • 1.Qc4+?
      • 1...Kb7
        • 2.Qc7+
          • 2...Ka8
            • 3.Bd5#
      • 1...Kb6!
  • Keys
    • 1.Bc4!
      • 1...d5
        • 2.Bxa6
          • 2...d4
            • 3.Bb7#

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).