Problem Display
PID: 191553 (R2K2k1/2ppP1p1/1p2rpP1/8/p4b2/B1R5/2B4p/3r4 w - - 0 1)

Zipperlin, Otto

Deutsches Wochenschach, 1917

R2K2k1/2ppP1p1/1p2rpP1/8/p4b2/B1R5/2B4p/3r4

#4

7 + 11


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Re3!
      • threat
        • 2.e8Q+
          • 2...Rxe8+
            • 3.Rxe8#
        • 2.e8R+
          • 2...Rxe8+
            • 3.Rxe8#
      • 1...Rxe3
        • 2.Be4
          • threat
            • 3.e8Q#
            • 3.e8R#
          • 2...Rxe4
            • 3.Bd6
              • threat
                • 4.Kxc7#
                • 4.Kxd7#
              • 3...Kh8
                • 4.Kxc7#
                • 4.Kxd7#
              • 3...Rxe7
                • 4.Kxe7#
      • 1...Be5
        • 2.Rxe5
          • threat
            • 3.Kxc7#
          • 2...h1Q
            • 3.e8Q+
              • 3...Rxe8+
                • 4.Rxe8#
            • 3.e8R+
              • 3...Rxe8+
                • 4.Rxe8#
          • 2...h1B
            • 3.e8Q+
              • 3...Rxe8+
                • 4.Rxe8#
            • 3.e8R+
              • 3...Rxe8+
                • 4.Rxe8#

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).