Problem Display
PID: 223855 (8/P7/2k1K3/1R6/8/8/8/8 w - - 0 1)

Orlik, Peter

Deutsche Schachzeitung, 1982

8/P7/2k1K3/1R6/8/8/8/8

#3

3 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Rb1?
      • 1...Kc7
        • 2.a8R
          • 2...Kc6
            • 3.Rc8#
      • 1...Kc5!
    • 1.Rb2?
      • 1...Kc7
        • 2.a8R
          • 2...Kc6
            • 3.Rc8#
      • 1...Kc5!
    • 1.Rb4?
      • 1...Kc7
        • 2.a8R
          • 2...Kc6
            • 3.Rc8#
      • 1...Kc5!
    • 1.a8Q+?
      • 1...Kc7
        • 2.Kd5
          • 2...Kd7
            • 3.Rb7#
        • 2.Rb7+
          • 2...Kc6
            • 3.Qc8#
        • 2.Qd5
          • 2...Kc8
            • 3.Qd7#
        • 2.Qb7+
          • 2...Kd8
            • 3.Qd7#
            • 3.Qb8#
        • 2.Qa7+
          • 2...Kc6
            • 3.Rc5#
            • 3.Qc5#
            • 3.Qb6#
            • 3.Qb7#
            • 3.Qd7#
          • 2...Kc8
            • 3.Rb8#
            • 3.Qb8#
            • 3.Qd7#
          • 2...Kd8
            • 3.Rb8#
            • 3.Qb8#
            • 3.Qd7#
        • 2.Qb8+
          • 2...Kc6
            • 3.Qb6#
            • 3.Qb7#
        • 2.Qf8
          • 2...Kc6
            • 3.Qc5#
      • 1...Kxb5!
    • 1.a8R?
      • 1...Kc7
        • 2.Kd5
          • 2...Kd7
            • 3.Rb7#
        • 2.Rb1
          • 2...Kc6
            • 3.Rc8#
        • 2.Rb2
          • 2...Kc6
            • 3.Rc8#
        • 2.Rb3
          • 2...Kc6
            • 3.Rc8#
        • 2.Rb4
          • 2...Kc6
            • 3.Rc8#
      • 1...Kxb5!
  • Keys
    • 1.Rb3!
      • 1...Kc5
        • 2.a8Q
          • threat
            • 3.Qd5#
          • 2...Kc4
            • 3.Qd5#
          • 2...Kd4
            • 3.Qd5#
      • 1...Kc7
        • 2.a8R
          • 2...Kc6
            • 3.Rc8#

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).