Problem Display
PID: 20373 (1q2r3/1p3ppP/1P6/p2P4/K1N1N3/8/2B3p1/4Q1nk w - - 0 1)

Giegold, Fritz Emil

Schach-Echo, 1971

1q2r3/1p3ppP/1P6/p2P4/K1N1N3/8/2B3p1/4Q1nk

#4

8 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Qxg1+
          • 2...Kxg1
            • 3.Sf3+
              • 3...Kf1
                • 4.Bd3#
              • 3...Kh1
                • 4.Sf2#
      • 1...Qxe5
        • 2.h8Q+
          • 2...Rxh8
            • 3.Sf2+
              • 3...Kh2
                • 4.Qxe5#
        • 2.h8R+
          • 2...Rxh8
            • 3.Sf2+
              • 3...Kh2
                • 4.Qxe5#
      • 1...Rxe5
        • 2.h8Q+
          • 2...Qxh8
            • 3.Sf2+
              • 3...Kh2
                • 4.Qxe5#
          • 2...Rh5
            • 3.Qxh5+
              • 3...Qh2
                • 4.Sf2#
                • 4.Sg3#
        • 2.h8R+
          • 2...Qxh8
            • 3.Sf2+
              • 3...Kh2
                • 4.Qxe5#
          • 2...Rh5
            • 3.Rxh5+
              • 3...Qh2
                • 4.Sf2#
                • 4.Sg3#
      • 1...Qa7
        • 2.Qxg1+
          • 2...Kxg1
            • 3.Sf3+
              • 3...Kf1
                • 4.Bd3#
              • 3...Kh1
                • 4.Sf2#
                • 4.Sg3#
        • 2.h8Q+
          • 2...Rxh8
            • 3.Sf3
              • threat
                • 4.Sf2#
                • 4.Sg3#
                • 4.Qxg1#
            • 3.Sg4
              • threat
                • 4.Sef2#
                • 4.Sg3#
        • 2.h8R+
          • 2...Rxh8
            • 3.Sf3
              • threat
                • 4.Sf2#
                • 4.Sg3#
                • 4.Qxg1#
            • 3.Sg4
              • threat
                • 4.Sef2#
                • 4.Sg3#
      • 1...Qa8
        • 2.Qxg1+
          • 2...Kxg1
            • 3.Sf3+
              • 3...Kf1
                • 4.Bd3#
              • 3...Kh1
                • 4.Sf2#
                • 4.Sg3#
      • 1...Qc8
        • 2.Qxg1+
          • 2...Kxg1
            • 3.Sf3+
              • 3...Kf1
                • 4.Bd3#
              • 3...Kh1
                • 4.Sf2#
                • 4.Sg3#
      • 1...Qd8
        • 2.Qxg1+
          • 2...Kxg1
            • 3.Sf3+
              • 3...Kf1
                • 4.Bd3#
              • 3...Kh1
                • 4.Sf2#
                • 4.Sg3#

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).