Problem Display
PID: 19890 (6b1/8/8/8/3p2N1/2pQpB2/6r1/4KNrk w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Deutsches Wochenschach, 1906

6b1/8/8/8/3p2N1/2pQpB2/6r1/4KNrk

#4

5 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Kd1!
      • 1...Bb3+
        • 2.Kc1
          • threat
            • 3.Qh7#
          • 2...Bc2
            • 3.Qd1
              • threat
                • 4.Sg3#
              • 3...Rxf1
                • 4.Qxf1#
          • 2...Bf7
            • 3.Qh7+
              • 3...Bh5
                • 4.Qxh5#
            • 3.Qd1
              • threat
                • 4.Sg3#
              • 3...Rxf1
                • 4.Qxf1#
          • 2...Bg8
            • 3.Qd1
              • threat
                • 4.Sg3#
              • 3...Rxf1
                • 4.Qxf1#
      • 1...c2+
        • 2.Kc1
          • 2...Bf7
            • 3.Qh7+
              • 3...Bh5
                • 4.Qxh5#
      • 1...e2+
        • 2.Qxe2
          • threat
            • 3.Sf2#
          • 2...Bb3+
            • 3.Kc1
              • threat
                • 4.Sf2#
              • 3...Rxf1+
                • 4.Qxf1#
            • 3.Ke1
              • threat
                • 4.Sf2#
              • 3...Rxf1+
                • 4.Qxf1#
          • 2...c2+
            • 3.Kc1
              • threat
                • 4.Sf2#
              • 3...Rxf1+
                • 4.Qxf1#

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).