Problem Display
PID: 197978 (B7/k7/P7/R7/N7/8/K7/8 w - - 0 1)

Pauly, Wolfgang

L'Alfiere di Re, 1921

B7/k7/P7/R7/N7/8/K7/8

#4

5 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • 1...Kxa6
        • 2.Bc6
          • 2...Ka7
            • 3.Rd8
              • 3...Ka6
                • 4.Ra8#
      • 1...Kxa8
        • 2.Rd7
          • 2...Kb8
            • 3.a7+
              • 3...Ka8
                • 4.Sb6#
              • 3...Kc8
                • 4.Sb6#
      • 1...Kb8
        • 2.Rd7
          • threat
            • 3.a7+
              • 3...Kxa8
                • 4.Sb6#
              • 3...Kc8
                • 4.Sb6#
          • 2...Kxa8
            • 3.Sb6+
              • 3...Kb8
                • 4.Rb7#
                • 4.a7#
          • 2...Kc8
            • 3.Sb6+
              • 3...Kb8
                • 4.Rb7#
                • 4.a7#

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).