Problem Display
PID: 167854 (8/6Q1/3b4/7k/1N5p/3K4/7N/8 w - - 0 1)

Dujardin, Paul

Hamburger Problem-Nachrichten, 1947

8/6Q1/3b4/7k/1N5p/3K4/7N/8

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sf6#
      • 1...h3
        • 2.Sf3
          • threat
            • 3.Sf6#
            • 3.Qg5#
          • 2...Be7
            • 3.Sf4#
        • 2.Sf6+
          • 2...Kh4
            • 3.Sf3#
            • 3.Qg4#
      • 1...Be5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qg5#
      • 1...Bf4
        • 2.Sd5
          • threat
            • 3.Sxf4#
            • 3.Sf6#
          • 2...Bg5
            • 3.Qxg5#
          • 2...Be5
            • 3.Qg5#
      • 1...Be7
        • 2.Sd5
          • threat
            • 3.Sf4#
          • 2...Bg5
            • 3.Qxg5#
          • 2...Bd6
            • 3.Sf6#
            • 3.Qg5#

FEATURES


NOT CLASSIFIED


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).