Problem Display
PID: 216019 (k7/P6R/P3NK2/8/8/8/8/8 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Schachzeitung, 1937

k7/P6R/P3NK2/8/8/8/8/8

#5

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rh4!
      • 1...Kxa7
        • 2.Ra4
          • 2...Kb6
            • 3.a7
              • threat
                • 4.a8Q
                  • 4...Kb5
                    • 5.Qa6#
              • 3...Kb5
                • 4.a8Q
                  • 4...Kb6
                    • 5.Rb4#
                    • 5.Qa6#
              • 3...Kc6
                • 4.a8Q+
                  • 4...Kb5
                    • 5.Qa6#
                  • 4...Kb6
                    • 5.Rb4#
                    • 5.Qa6#
                  • 4...Kd6
                    • 5.Rd4#
                  • 4...Kd7
                    • 5.Rd4#
              • 3...Kb7
                • 4.a8Q+
                  • 4...Kb6
                    • 5.Rb4#
                    • 5.Qa6#
          • 2...Ka8
            • 3.a7
              • 3...Kb7
                • 4.a8Q+
                  • 4...Kb6
                    • 5.Rb4#
                    • 5.Qa6#
          • 2...Kb8
            • 3.a7+
              • 3...Kb7
                • 4.a8Q+
                  • 4...Kb6
                    • 5.Rb4#
                    • 5.Qa6#
              • 3...Ka8
                • 4.Ra6
                  • 4...Kb7
                    • 5.a8Q#
              • 3...Kc8
                • 4.a8Q+
                  • 4...Kd7
                    • 5.Rd4#

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).