Problem Display
PID: 35170 (8/B2BR3/1KpPPPPN/1R1pk1Pb/8/b1Pp2P1/5N2/7r w - - 0 1)

Rehm, Hans Peter

HM., Schach-Echo, 1970

8/B2BR3/1KpPPPPN/1R1pk1Pb/8/b1Pp2P1/5N2/7r

#4

14 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Rg7!
      • threat
        • 2.Sf7+
          • 2...Kf5
            • 3.e7#
      • 1...Bc5+
        • 2.Kxc5
          • threat
            • 3.Sf7+
              • 3...Kf5
                • 4.e7#
            • 3.Kxc6
              • threat
                • 4.Bd4#
                • 4.Rxd5#
            • 3.e7
              • threat
                • 4.Sf7#
                • 4.e8Q#
                • 4.e8R#
              • 3...Bxg6
                • 4.Shg4#
      • 1...Bxg6
        • 2.Kxc6
          • threat
            • 3.Bd4#
            • 3.Rxd5#
          • 2...Bc5
            • 3.Rxc5
              • threat
                • 4.Rxd5#
              • 3...Be4
                • 4.Sfg4#
      • 1...Re1
        • 2.Kxc6
          • threat
            • 3.Bd4#
            • 3.Rxd5#
          • 2...Bc5
            • 3.Bxc5
              • threat
                • 4.Bd4#
              • 3...Re4
                • 4.Sxd3#
              • 3...d4
                • 4.Ba3#
                • 4.Bb4#
                • 4.Bxd4#
                • 4.Bb6#
                • 4.Ba7#
                • 4.cxd4#
            • 3.e7
              • threat
                • 4.Sf7#
                • 4.e8Q#
                • 4.e8R#
              • 3...Bxg6
                • 4.Shg4#

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).