Problem Display
PID: 177582 (8/p1BR4/5p1q/5Pp1/r6p/8/2QP4/kB3K2 w - - 0 1)

von Holzhausen, Walther Freiherr

Rigaer Tageblatt, 1913

8/p1BR4/5p1q/5Pp1/r6p/8/2QP4/kB3K2

#4

7 + 7


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Bb6!
      • threat
        • 2.Bd4+
          • 2...Rxd4
            • 3.Qa2#
        • 2.Rxa7
          • threat
            • 3.Bd4#
            • 3.Rxa4#
      • 1...Rf4+
        • 2.Bf2
          • threat
            • 3.Qa2#
          • 2...Rxf2+
            • 3.Kxf2
              • threat
                • 4.Rxa7#
                • 4.Qa2#
          • 2...Ra4
            • 3.Bd4+
              • 3...Rxd4
                • 4.Qa2#
            • 3.Rxa7
              • threat
                • 4.Bd4#
                • 4.Rxa4#
            • 3.Rb7
              • threat
                • 4.Qxa4#
                • 4.Qb2#
                • 4.Qc3#
              • 3...Ra2
                • 4.Qxa2#
              • 3...Rb4
                • 4.Qa2#
      • 1...axb6
        • 2.Ra7
          • threat
            • 3.Rxa4#
          • 2...Rxa7
            • 3.Ba2
              • threat
                • 4.Qb1#
              • 3...Rxa2
                • 4.Qc1#
          • 2...Qf8
            • 3.Rxa4+
              • 3...Qa3
                • 4.Rxa3#
          • 2...Ra5
            • 3.Rxa5+
              • 3...bxa5
                • 4.Qa2#
          • 2...b5
            • 3.Rxa4+
              • 3...bxa4
                • 4.Qa2#

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).