Problem Display
PID: 40820 (k7/4Q2p/P1bppK2/8/4p3/8/7b/8 w - - 0 1)

Palkoska, Emil

6th HM., BCF 030. Ty., 1938-1939

k7/4Q2p/P1bppK2/8/4p3/8/7b/8

#4

3 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qxc6+
          • 2...Ka7
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
      • 1...Be5+
        • 2.Kxe6
          • threat
            • 3.Qxc6+
              • 3...Ka7
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
          • 2...Bd5+
            • 3.Kxd5
              • threat
                • 4.Qb7#
          • 2...Bd7+
            • 3.Kxd7
              • threat
                • 4.Qb7#
            • 3.Qxd7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
        • 2.Kf7
          • threat
            • 3.Qxc6+
              • 3...Ka7
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
          • 2...Be8+
            • 3.Kxe8
              • threat
                • 4.Qb7#
          • 2...Bd5
            • 3.a7
              • threat
                • 4.Qb8#
      • 1...Bd5
        • 2.a7
          • threat
            • 3.Qb8#
          • 2...Be5+
            • 3.Kf7
              • threat
                • 4.Qb8#

There are these versions: 233059

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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).