Problem Display
PID: 236185 (8/2p5/p1P3K1/5N2/P4k2/8/2NP3p/7B w - - 0 1)

Flatt, Karl

National-Zeitung Basel, 1949

8/2p5/p1P3K1/5N2/P4k2/8/2NP3p/7B

#4

7 + 4


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sd3+
          • 2...Kg4
            • 3.a5
              • 3...Kh3
                • 4.Sf2#
      • 1...Kg4
        • 2.Sd3
          • threat
            • 3.a5
              • 3...Kh3
                • 4.Sf2#
          • 2...a5
            • 3.Kf6
              • 3...Kh3
                • 4.Sf2#
              • 3...Kh5
                • 4.Bf3#
      • 1...Ke5
        • 2.Kg5
          • threat
            • 3.d4+
              • 3...Ke6
                • 4.Bd5#
            • 3.Bd5
              • threat
                • 4.d4#
          • 2...Ke6
            • 3.Bd5+
              • 3...Ke5
                • 4.d4#
        • 2.Sd5
          • threat
            • 3.d4+
              • 3...Ke6
                • 4.Sf4#
                • 4.Sxc7#
          • 2...Ke6
            • 3.d4
              • 3...a5
                • 4.Sf4#
                • 4.Sxc7#
      • 1...a5
        • 2.Sd3+
          • 2...Kg4
            • 3.Kf6
              • 3...Kh3
                • 4.Sf2#
              • 3...Kh5
                • 4.Bf3#

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).