Problem Display
PID: 36500 (BR5r/P6p/6p1/1K6/8/1p6/4NPr1/5N1k w - - 0 1)

Zepler, Erich Ernest

Teplitz-Schonauer Congress Book, 1923

BR5r/P6p/6p1/1K6/8/1p6/4NPr1/5N1k

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Ka6!
      • threat
        • 2.Rxb3
          • threat
            • 3.Rh3#
          • 2...Rxa8
            • 3.Rh3+
              • 3...Rh2
                • 4.Rxh2#
      • 1...Rf8
        • 2.Rxf8
          • threat
            • 3.Rf3
              • threat
                • 4.Rh3#
              • 3...Rg3
                • 4.Rxg3#
          • 2...g5
            • 3.Rh8
              • threat
                • 4.Rxh7#
              • 3...h5
                • 4.Rxh5#
              • 3...h6
                • 4.Rxh6#
      • 1...Rc8
        • 2.Rxb3
          • threat
            • 3.Rh3#
          • 2...Rc6+
            • 3.Bxc6
              • threat
                • 4.Rh3#
          • 2...Rxa8
            • 3.Rh3+
              • 3...Rh2
                • 4.Rxh2#
          • 2...Rc3
            • 3.Rxc3
              • threat
                • 4.Rh3#
        • 2.Rxc8
          • threat
            • 3.Rc3
              • threat
                • 4.Rh3#
          • 2...g5
            • 3.Rh8
              • threat
                • 4.Rxh7#
              • 3...h5
                • 4.Rxh5#
              • 3...h6
                • 4.Rxh6#
      • 1...Rd8
        • 2.Rxd8
          • threat
            • 3.Rd3
              • threat
                • 4.Rh3#
          • 2...g5
            • 3.Rh8
              • threat
                • 4.Rxh7#
              • 3...h5
                • 4.Rxh5#
              • 3...h6
                • 4.Rxh6#
      • 1...Re8
        • 2.Rxe8
          • threat
            • 3.Re3
              • threat
                • 4.Rh3#
          • 2...g5
            • 3.Rh8
              • threat
                • 4.Rxh7#
              • 3...h5
                • 4.Rxh5#
              • 3...h6
                • 4.Rxh6#
      • 1...Rg8
        • 2.Rxb3
          • threat
            • 3.Rh3#
          • 2...Rxa8
            • 3.Rh3+
              • 3...Rh2
                • 4.Rxh2#
      • 1...b2
        • 2.Rb3
          • threat
            • 3.Rh3#
          • 2...Rxa8
            • 3.Rh3+
              • 3...Rh2
                • 4.Rxh2#

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).