Problem Display
PID: 28264 (8/Q1p3p1/8/6pp/7b/1N4p1/4K1pk/6Nb w - - 0 1)

Ernst, Georg

Deutsche Schachzeitung, 1932

8/Q1p3p1/8/6pp/7b/1N4p1/4K1pk/6Nb

#5

4 + 9


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qxg5
          • threat
            • 3.Sf3+
              • 3...Kh3
                • 4.Qxh4#
                • 4.Qf5#
            • 3.Sd2
              • threat
                • 4.Sdf3#
              • 3...Kxg1
                • 4.Sf3#
            • 3.Sd4
              • threat
                • 4.Sdf3#
              • 3...Kxg1
                • 4.Sf3#
          • 2...Kxg1
            • 3.Sd2
              • threat
                • 4.Sf3#
              • 3...Kh2
                • 4.Sf3+
                  • 4...Kh3
                    • 5.Qxh4#
                    • 5.Qf5#
                • 4.Qxh4+
                  • 4...Kg1
                    • 5.Sf3#
            • 3.Sd4
              • threat
                • 4.Sf3#
              • 3...Kh2
                • 4.Sf3+
                  • 4...Kh3
                    • 5.Qxh4#
                    • 5.Qf5#
                • 4.Qxh4+
                  • 4...Kg1
                    • 5.Sf3#
        • 2.Sd2
          • threat
            • 3.Sdf3#
          • 2...g4
            • 3.Sdf3+
              • 3...gxf3+
                • 4.Sxf3+
                  • 4...Kh3
                    • 5.Qe6#
        • 2.Sd4
          • threat
            • 3.Sdf3#
          • 2...g4
            • 3.Sdf3+
              • 3...gxf3+
                • 4.Sxf3+
                  • 4...Kh3
                    • 5.Qe6#
      • 1...g4
        • 2.Sd4
          • threat
            • 3.Sdf3+
              • 3...gxf3+
                • 4.Sxf3+
                  • 4...Kh3
                    • 5.Qe6#
          • 2...g5
            • 3.Qc1
              • 3...c5
                • 4.Qxc5
                  • 4...Kxg1
                    • 5.Sf3#
              • 3...c6
                • 4.Qc5
                  • 4...Kxg1
                    • 5.Sf3#

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).