Problem Display
PID: 222089 (7k/pn3B2/3p2K1/B5P1/R7/2pppp2/5qPb/1r6 w - - 0 1)

Zipf, Volker

Freie Presse, 1971

7k/pn3B2/3p2K1/B5P1/R7/2pppp2/5qPb/1r6

#4

6 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc8+
          • 2...Sd8
            • 3.Rxd8#
      • 1...Sc5
        • 2.g3
          • threat
            • 3.Bxc3#
            • 3.Rh4#
          • 2...Qxg3
            • 3.Bxc3+
              • 3...Qe5
                • 4.Rh4#
          • 2...Bxg3
            • 3.Rh4+
              • 3...Bxh4
                • 4.Bxc3#
          • 2...Rb4
            • 3.Rxb4
              • threat
                • 4.Rh4#
                • 4.Rb8#
      • 1...Sd8
        • 2.Bxd8
          • threat
            • 3.Bf6#
          • 2...fxg2
            • 3.Rh4+
              • 3...Qxh4
                • 4.Bf6#
          • 2...Be5
            • 3.Rc8
              • threat
                • 4.Ba5#
                • 4.Bb6#
                • 4.Bf6#
                • 4.Bc7#
                • 4.Be7#
        • 2.Rc8
          • threat
            • 3.Rxd8#
          • 2...Rb8
            • 3.Bxd8
              • threat
                • 4.Bf6#
            • 3.Rxb8
              • threat
                • 4.Rxd8#
        • 2.g3
          • threat
            • 3.Bxc3#
            • 3.Rh4#
          • 2...Qxg3
            • 3.Bxc3+
              • 3...Qe5
                • 4.Rh4#
          • 2...Bxg3
            • 3.Rh4+
              • 3...Bxh4
                • 4.Bxc3#
          • 2...Sxf7
            • 3.Rc8+
              • 3...Sd8
                • 4.Rxd8#
          • 2...Rb4
            • 3.Bxd8
              • threat
                • 4.Bf6#

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).