Problem Display
PID: 253614 (8/n3p3/3P4/2p1kPp1/b1PrN1P1/3pPP2/1Q2n3/K7 w - - 0 1)

Winterberg, Heinz

Schach-Echo, 1968

8/n3p3/3P4/2p1kPp1/b1PrN1P1/3pPP2/1Q2n3/K7

#4

9 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qh8#
      • 1...Rxe4
        • 2.d7+
          • 2...Kf6
            • 3.Qf8+
              • 3...Ke5
                • 4.Qxe7#
            • 3.Qh8+
              • 3...Kf7
                • 4.d8S#
      • 1...Rxd6
        • 2.Qh8+
          • 2...Rf6
            • 3.Qh2+
              • 3...Sg3
                • 4.Qxg3#
                • 4.Qb2#
              • 3...Sf4
                • 4.Qb2#
      • 1...Sc8
        • 2.d7+
          • 2...Rd6
            • 3.dxc8Q
              • threat
                • 4.Qe6#
                • 4.Qxc5#
                • 4.Qh8#
        • 2.Qxc8
          • threat
            • 3.Qe6#
            • 3.Qh8#
          • 2...Rxd6
            • 3.Qxc5+
              • 3...Rd5
                • 4.Qxe7#
                • 4.Qxd5#

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).