Problem Display
PID: 220790 (5k2/5p1b/5B2/8/1K6/5R2/8/8 w - - 0 1)

Brunner, Erich Anselm

Deutsche Schachzeitung, 1933

5k2/5p1b/5B2/8/1K6/5R2/8/8

#4

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rf4!
      • threat
        • 2.Rd4
          • threat
            • 3.Rd8#
          • 2...Ke8
            • 3.Rd8#
          • 2...Kg8
            • 3.Rd8#
      • 1...Kg8
        • 2.Rh4
          • 2...Kf8
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Ke8
                • 4.Rd8#
              • 3...Kg8
                • 4.Rd8#
      • 1...Bb1
        • 2.Rh4
          • threat
            • 3.Rh8#
          • 2...Ke8
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Bh7
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Ke8
                • 4.Rd8#
              • 3...Kg8
                • 4.Rd8#
      • 1...Bc2
        • 2.Rh4
          • threat
            • 3.Rh8#
          • 2...Ke8
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Bh7
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Ke8
                • 4.Rd8#
              • 3...Kg8
                • 4.Rd8#
      • 1...Bd3
        • 2.Rh4
          • threat
            • 3.Rh8#
          • 2...Ke8
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Bh7
            • 3.Rd4
              • threat
                • 4.Rd8#
              • 3...Ke8
                • 4.Rd8#
              • 3...Kg8
                • 4.Rd8#
      • 1...Be4
        • 2.Rxe4
          • 2...Kg8
            • 3.Rh4
              • 3...Kf8
                • 4.Rh8#
      • 1...Bf5
        • 2.Rxf5
          • 2...Ke8
            • 3.Rd5
              • 3...Kf8
                • 4.Rd8#
          • 2...Kg8
            • 3.Rh5
              • 3...Kf8
                • 4.Rh8#
      • 1...Bg6
        • 2.Rd4
          • threat
            • 3.Rd8#
          • 2...Kg8
            • 3.Rd8+
              • 3...Kh7
                • 4.Rh8#

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).