Problem Display
PID: 223808 (8/1RP5/k7/8/1K6/8/8/8 w - - 0 1)

Ebert, Hilmar

Deutsche Schachzeitung, 1978

8/1RP5/k7/8/1K6/8/8/8

#3

3 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Ka3?
      • threat
        • 2.c8Q
          • 2...Ka5
            • 3.Qa8#
      • 1...Ka5
        • 2.c8Q
          • 2...Ka6
            • 3.Qa8#
      • 1...Kxb7!
    • 1.Kb3?
      • threat
        • 2.c8Q
          • 2...Ka5
            • 3.Qa8#
      • 1...Ka5
        • 2.c8Q
          • 2...Ka6
            • 3.Qa8#
      • 1...Kxb7!
    • 1.Kc3?
      • threat
        • 2.c8Q
          • 2...Ka5
            • 3.Qa8#
      • 1...Ka5
        • 2.c8Q
          • threat
            • 3.Qa8#
          • 2...Ka4
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
      • 1...Kxb7!
    • 1.Kc4?
      • threat
        • 2.c8Q
          • 2...Ka5
            • 3.Qa8#
      • 1...Ka5
        • 2.c8Q
          • threat
            • 3.Qa8#
          • 2...Ka4
            • 3.Ra7#
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
        • 2.c8S
          • threat
            • 3.Ra7#
          • 2...Ka4
            • 3.Ra7#
          • 2...Ka6
            • 3.Ra7#
      • 1...Kxb7!
    • 1.Kc5?
      • threat
        • 2.c8Q
          • 2...Ka5
            • 3.Ra7#
            • 3.Qa8#
        • 2.c8B
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka5
        • 2.Ra7#
      • 1...Kxb7!
  • Keys
    • 1.Rb5!
      • 1...Ka7
        • 2.c8R
          • 2...Ka6
            • 3.Ra8#

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).