Problem Display
PID: 178440 (8/1R5R/k7/4K3/8/5p2/7p/8 w - - 0 1)

Speckmann, Werner

Berliner Morgenpost, 1980

8/1R5R/k7/4K3/8/5p2/7p/8

#3

3 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Kd5?
      • threat
        • 2.Kc5
          • threat
            • 3.Ra7#
          • 2...Ka5
            • 3.Ra7#
        • 2.Ra7+
          • 2...Kb5
            • 3.Rhb7#
          • 2...Kb6
            • 3.Rhb7#
      • 1...h1Q
        • 2.Ra7+
          • 2...Kb5
            • 3.Rhb7#
          • 2...Kb6
            • 3.Rhb7#
      • 1...h1R
        • 2.Ra7+
          • 2...Kb5
            • 3.Rhb7#
          • 2...Kb6
            • 3.Rhb7#
      • 1...Ka5!
    • 1.Rb3?
      • 1...h1Q
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1S
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1B
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1R
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...f2!
    • 1.Ra7+?
      • 1...Kb6
        • 2.Kd5
          • threat
            • 3.Rhb7#
          • 2...Kb5
            • 3.Rhb7#
      • 1...Kb5!
  • Keys
    • 1.Rb2!
      • 1...h1Q
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1S
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1B
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...h1R
        • 2.Rxh1
          • threat
            • 3.Ra1#
          • 2...Ka5
            • 3.Ra1#
          • 2...Ka7
            • 3.Ra1#
      • 1...f2
        • 2.Rh3
          • threat
            • 3.Ra3#
          • 2...Ka5
            • 3.Ra3#
          • 2...Ka7
            • 3.Ra3#

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).