Problem Display
PID: 31889 (4R3/1K2R3/3k4/2p5/2p5/8/6p1/8 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1956

4R3/1K2R3/3k4/2p5/2p5/8/6p1/8

#3

3 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Kd5
      • 2.Rd7#
      • 2.Rd8#
  • Tries
    • 1.Re1?
      • threat
        • 2.Rd1#
        • 2.Rd8#
      • 1...Kd5
        • 2.Rd1#
        • 2.Rd8#
      • 1...g1Q
        • 2.Rd8#
      • 1...g1B
        • 2.Rd8#
      • 1...g1R
        • 2.Rd8#
      • 1...Kd7!
    • 1.Re3?
      • threat
        • 2.Rd8#
      • 1...Kd5
        • 2.Rd8#
      • 1...Kd7!
    • 1.Re4?
      • threat
        • 2.Rd8#
      • 1...Kd5
        • 2.Kc7
          • threat
            • 3.R8e5#
      • 1...Kd7!
  • Keys
    • 1.Re2!
      • threat
        • 2.Rd2#
        • 2.Rd8#
      • 1...Kd7
        • 2.R8e3
          • threat
            • 3.Rd2#
          • 2...Kd6
            • 3.Rd2#
          • 2...Kd8
            • 3.Rd2#
          • 2...c3
            • 3.Rd3#

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).