Problem Display
PID: 90939 (2b5/1pk4r/1NNpp1r1/K2p4/3p2p1/1p6/2Q5/5R2 w - - 0 1)

Lindemann, Gerhard

Die Schwalbe, 1960

2b5/1pk4r/1NNpp1r1/K2p4/3p2p1/1p6/2Q5/5R2

#4

5 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rf8!
      • threat
        • 2.Rxc8#
      • 1...bxc6
        • 2.Rxc8+
          • 2...Kb7
            • 3.Qxc6+
              • 3...Ka7
                • 4.Ra8#
                • 4.Qa8#
            • 3.Qd3
              • threat
                • 4.Qa6#
              • 3...Ka7
                • 4.Qa6#
      • 1...Rg8
        • 2.Qxh7+
          • 2...Kxc6
            • 3.Rf1
              • threat
                • 4.Rc1#
              • 3...Kc5
                • 4.Rc1#
                • 4.Qc7#
              • 3...b2
                • 4.Qc2#
        • 2.Rxg8
          • threat
            • 3.Rxc8#
          • 2...bxc6
            • 3.Rxc8+
              • 3...Kb7
                • 4.Qxh7#
            • 3.Qxh7+
              • 3...Kb8
                • 4.Rxc8#
              • 3...Bd7
                • 4.Qxd7#
          • 2...Rh8
            • 3.Rg7+
              • 3...Bd7
                • 4.Rxd7#

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).