Problem Display
PID: 191025 (3R4/rp6/5p1r/p4Ppk/6p1/6P1/4P1K1/4B3 w - - 0 1)

Lehn, Paul

Arbeiter Schachzeitung, 1913

3R4/rp6/5p1r/p4Ppk/6p1/6P1/4P1K1/4B3

#4

6 + 8


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Bb4!
      • threat
        • 2.Rd1
          • threat
            • 3.Rh1#
      • 1...axb4
        • 2.Rd1
          • threat
            • 3.Rh1#
          • 2...Ra1
            • 3.Rxa1
              • threat
                • 4.Rh1#
      • 1...Rg6
        • 2.Bf8
          • threat
            • 3.Rd1
              • threat
                • 4.Rh1#
          • 2...Rg7
            • 3.Rd1
              • threat
                • 4.Rh1#
              • 3...Kh6
                • 4.Rh1#
      • 1...Rh7
        • 2.Rd1
          • threat
            • 3.Rh1#
          • 2...Kh6
            • 3.Bf8+
              • 3...Kh5
                • 4.Rh1#
              • 3...Rg7
                • 4.Rh1#

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).