Problem Display
PID: 77829 (N7/8/8/8/1k3K2/8/4Q3/3N4 w - - 0 1)

Havel, Miroslav

Zlata Praha, 1921

N7/8/8/8/1k3K2/8/4Q3/3N4

#4

4 + 1


6024 Bohemian Garnets 1923

SOLUTION


  • SOUND
  • Keys
    • 1.Qe6!
      • 1...Ka3
        • 2.Sb6
          • 2...Kb4
            • 3.Qe5
              • 3...Ka3
                • 4.Qb2#
              • 3...Kb3
                • 4.Qb2#
      • 1...Ka4
        • 2.Qc4+
          • 2...Ka3
            • 3.Qb5
              • 3...Ka2
                • 4.Qb2#
          • 2...Ka5
            • 3.Qb3
              • 3...Ka6
                • 4.Qb6#
        • 2.Qb6
          • 2...Ka3
            • 3.Qb5
              • 3...Ka2
                • 4.Qb2#
      • 1...Kb5
        • 2.Sb2
          • threat
            • 3.Qb6#
          • 2...Kb4
            • 3.Qe3
              • 3...Ka5
                • 4.Qb6#
              • 3...Kb5
                • 4.Qb6#
          • 2...Kc5
            • 3.Qb6+
              • 3...Kd5
                • 4.Sc7#
      • 1...Kc5
        • 2.Sb2
          • threat
            • 3.Qb6+
              • 3...Kd5
                • 4.Sc7#
          • 2...Kb4
            • 3.Qe3
              • 3...Ka5
                • 4.Qb6#
              • 3...Kb5
                • 4.Qb6#

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).