Problem Display
PID: 138394 (8/1N6/8/8/Pk6/8/1K6/R7 w - - 0 1)

Ring, Ulrich

Die Schwalbe, 1966

8/1N6/8/8/Pk6/8/1K6/R7

#3

4 + 1


23 Die Schwalbe 2010

SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Rd1
        • 2...Kb4
          • 3.Rd4#
  • Tries
    • 1.Rd1?
      • threat
        • 2.Rd4#
      • 1...Kc4
        • 2.Rd2
          • 2...Kb4
            • 3.Rd4#
        • 2.Rd6
          • 2...Kb4
            • 3.Rd4#
        • 2.Rd7
          • 2...Kb4
            • 3.Rd4#
        • 2.Rd8
          • 2...Kb4
            • 3.Rd4#
      • 1...Kxa4!
    • 1.Re1?
      • threat
        • 2.Re4#
      • 1...Kc4
        • 2.Rd1
          • 2...Kb4
            • 3.Rd4#
      • 1...Kxa4!
    • 1.Rf1?
      • threat
        • 2.Rf4#
      • 1...Kc4
        • 2.Rd1
          • 2...Kb4
            • 3.Rd4#
      • 1...Kxa4!
    • 1.Rg1?
      • threat
        • 2.Rg4#
      • 1...Kc4
        • 2.Rd1
          • 2...Kb4
            • 3.Rd4#
      • 1...Kxa4!
    • 1.Rh1?
      • threat
        • 2.Rh4#
      • 1...Kc4
        • 2.Rd1
          • 2...Kb4
            • 3.Rd4#
      • 1...Kxa4!
  • Keys
    • 1.Rb1!
      • 1...Kxa4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra1#
      • 1...Kc4
        • 2.Rd1
          • 2...Kb4
            • 3.Rd4#

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).