Problem Display
PID: 178420 (8/8/4k3/1R4P1/1Q5K/8/8/8 w - - 0 1)

Speckmann, Werner

Berliner Morgenpost, 1965

8/8/4k3/1R4P1/1Q5K/8/8/8

#3

4 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qd2?
      • 1...Kf7
        • 2.Qd7+
          • 2...Kg6
            • 3.Rb6#
          • 2...Kf8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Ke7!
    • 1.Qd6+?
      • 1...Kf7
        • 2.Rb7+
          • 2...Ke8
            • 3.Qe7#
            • 3.Qb8#
          • 2...Kg8
            • 3.Qb8#
            • 3.Qd8#
        • 2.Qd7+
          • 2...Kg6
            • 3.Rb6#
          • 2...Kf8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Kxd6!
    • 1.Qd4?
      • 1...Kf7
        • 2.Qd7+
          • 2...Kg6
            • 3.Rb6#
          • 2...Kf8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Ke7!
    • 1.Qf4?
      • 1...Ke7
        • 2.Qc7+
          • 2...Ke6
            • 3.Re5#
          • 2...Ke8
            • 3.Rb8#
          • 2...Kf8
            • 3.Rb8#
      • 1...Kd7!
  • Keys
    • 1.Qc5!
      • 1...Kd7
        • 2.Rb7+
          • 2...Ke6
            • 3.Re7#
          • 2...Kd8
            • 3.Qf8#
          • 2...Ke8
            • 3.Qe7#
            • 3.Qc8#
      • 1...Kf7
        • 2.Rb7+
          • 2...Ke6
            • 3.Re7#
          • 2...Kg6
            • 3.Qc2#
          • 2...Ke8
            • 3.Qe7#
            • 3.Qc8#
          • 2...Kg8
            • 3.Qc8#

FEATURES


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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).