Problem Display
PID: 57168 (1Nk5/5Q2/8/1K1p4/6n1/8/pb6/7b w - - 0 1)

Speckmann, Werner

2nd Prize, Shakhmaty v SSSR, 1962

1Nk5/5Q2/8/1K1p4/6n1/8/pb6/7b

#5

3 + 6


3747 FIDE Album (1962-1964) 1968

SOLUTION


  • SOUND
  • Keys
    • 1.Sa6!
      • threat
        • 2.Qc7#
      • 1...Be5
        • 2.Kc6
          • threat
            • 3.Qe8#
            • 3.Qg8#
            • 3.Qd7#
            • 3.Qf8#
          • 2...d4+
            • 3.Kb6
              • threat
                • 4.Qe8#
              • 3...Kd8
                • 4.Qf8+
                  • 4...Kd7
                    • 5.Sc5#
              • 3...Bc6
                • 4.Qf8+
                  • 4...Kd7
                    • 5.Sc5#
                  • 4...Be8
                    • 5.Qxe8#
              • 3...Sf6
                • 4.Qf8+
                  • 4...Kd7
                    • 5.Sc5#
                  • 4...Se8
                    • 5.Qxe8#

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).