Problem Display
PID: 248935 (8/rQB1nKpN/p1R2p2/3p1k2/1R3prn/8/5Np1/8 w - - 0 1)

Horstmann, Bernd

Die Schwalbe, 1971

8/rQB1nKpN/p1R2p2/3p1k2/1R3prn/8/5Np1/8

#4

7 + 11


SOLUTION


  • COOKED
  • Keys
    • 1.Rxf4+!
      • 1...Rxf4
        • 2.Qb1+
          • 2...Re4
            • 3.Rc5
              • threat
                • 4.Qxe4#
    • 1.Rbb6!
      • threat
        • 2.Rxf6+
          • 2...gxf6
            • 3.Rxf6#
      • 1...Rg6
        • 2.Rc4
          • threat
            • 3.Rxf4#
          • 2...Rg4
            • 3.Rxf6+
              • 3...gxf6
                • 4.Qb1#

FEATURES


NOT CLASSIFIED


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).