Problem Display
PID: 133394 (7n/3N3b/2p2p1B/1pKP4/2p1k1B1/4r3/R1PP2P1/7n w - - 0 1)

Kratschmer, Ralf

Der Tagesspiegel (Berlin), 1999

7n/3N3b/2p2p1B/1pKP4/2p1k1B1/4r3/R1PP2P1/7n

#5

9 + 9


14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION


  • SOUND
  • Keys
    • 1.Ra8!
      • threat
        • 2.Re8#
      • 1...Bg6
        • 2.Ra3
          • threat
            • 3.Rxe3#
          • 2...Rxa3
            • 3.d4
              • threat
                • 4.Sxf6#
              • 3...cxd4 ep
                • 4.Bf3+
                  • 4...Kf5
                    • 5.g4#
          • 2...Rd3
            • 3.Bf3+
              • 3...Rxf3
                • 4.Rxf3
                  • threat
                    • 5.Rf4#
            • 3.cxd3+
              • 3...cxd3
                • 4.Bf3+
                  • 4...Kf5
                    • 5.g4#
            • 3.Rxd3
              • threat
                • 4.Re3#
                • 4.Rd4#
              • 3...cxd3
                • 4.Bf3+
                  • 4...Kf5
                    • 5.g4#
          • 2...Rg3
            • 3.Rf3
              • threat
                • 4.Rf4#
              • 3...Rxg4
                • 4.d3+
                  • 4...cxd3
                    • 5.cxd3#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).