Problem Display
PID: 106953 (8/8/6K1/4N3/5P2/4R3/6k1/4B3 w - - 0 1)

Herland, Sigmund

Deutsches Wochenschach, 1909

8/8/6K1/4N3/5P2/4R3/6k1/4B3

#4

5 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sh4+
          • 2...Kf1
            • 3.Bg3
              • 3...Kg1
                • 4.Re1#
          • 2...Kg1
            • 3.Bg3
              • threat
                • 4.Re1#
              • 3...Kf1
                • 4.Re1#
              • 3...Kh1
                • 4.Re1#
          • 2...Kh1
            • 3.Bg3
              • 3...Kg1
                • 4.Re1#
          • 2...Kh2
            • 3.Bf2
              • 3...Kh1
                • 4.Rh3#
      • 1...Kf1
        • 2.Sh4
          • 2...Kg1
            • 3.Bg3
              • threat
                • 4.Re1#
              • 3...Kf1
                • 4.Re1#
              • 3...Kh1
                • 4.Re1#
      • 1...Kh1
        • 2.Sh4
          • threat
            • 3.Bg3
              • 3...Kg1
                • 4.Re1#
          • 2...Kg1
            • 3.Bg3
              • threat
                • 4.Re1#
              • 3...Kf1
                • 4.Re1#
              • 3...Kh1
                • 4.Re1#
          • 2...Kh2
            • 3.Bf2
              • 3...Kh1
                • 4.Rh3#
      • 1...Kh3
        • 2.Re2
          • 2...Kg4
            • 3.Sg5
              • 3...Kxf4
                • 4.Re4#

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).