Problem Display
PID: 34392 (3rr3/3pp3/B6R/5P2/5Pp1/6P1/5p1p/5K1k w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

Deutsches Wochenschach, 1917

3rr3/3pp3/B6R/5P2/5Pp1/6P1/5p1p/5K1k

#4

6 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Rd6!
      • threat
        • 2.Bb7#
      • 1...exd6
        • 2.Bb7+
          • 2...d5
            • 3.Bxd5+
              • 3...Re4
                • 4.Bxe4#
      • 1...Rb8
        • 2.Rd1
          • threat
            • 3.Kxf2#
          • 2...Rb1
            • 3.Bb7+
              • 3...Rxb7
                • 4.Kxf2#
              • 3...d5
                • 4.Bxd5#
          • 2...Rb2
            • 3.Bb7+
              • 3...Rxb7
                • 4.Kxf2#
              • 3...d5
                • 4.Bxd5#
      • 1...Rc8
        • 2.Bb7+
          • 2...Rc6
            • 3.Rd1
              • threat
                • 4.Kxf2#
        • 2.Rd1
          • threat
            • 3.Kxf2#
          • 2...Rc1
            • 3.Bb7+
              • 3...Rc6
                • 4.Kxf2#
              • 3...d5
                • 4.Bxd5#
          • 2...Rc2
            • 3.Bb7+
              • 3...Rc6
                • 4.Kxf2#
              • 3...d5
                • 4.Bxd5#
      • 1...e5
        • 2.Bb7+
          • 2...e4
            • 3.Kxf2
              • threat
                • 4.Rd1#
            • 3.Rd1
              • threat
                • 4.Kxf2#
        • 2.Kxf2
          • threat
            • 3.Rd1#
          • 2...exf4
            • 3.Rd1+
              • 3...Re1
                • 4.Rxe1#
        • 2.Rd1
          • threat
            • 3.Kxf2#
          • 2...exf4
            • 3.Kxf2+
              • 3...Re1
                • 4.Rxe1#

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).