Problem Display
PID: 31691 (2N1N3/1p2p3/4k1P1/1R6/4K3/1P6/8/8 w - - 0 1)

Gunther, Fritz

Die Schwalbe, 1974

2N1N3/1p2p3/4k1P1/1R6/4K3/1P6/8/8

#3

6 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Ra5?
      • 1...b6
        • 2.Ra7
          • 2...b5
            • 3.Rxe7#
      • 1...b5
        • 2.Sb6
          • 2...b4
            • 3.Re5#
        • 2.Ra7
          • 2...b4
            • 3.Rxe7#
      • 1...Kd7!
    • 1.Rd5?
      • 1...b5
        • 2.Sb6
          • 2...b4
            • 3.Re5#
      • 1...b6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Rc7
          • threat
            • 3.Rxe7#
      • 1...Kd7
        • 2.Sb6+
          • 2...Ke6
            • 3.Re5#
          • 2...Kd8
            • 3.Rc8#
          • 2...Kxe8
            • 3.Rc8#
      • 1...b6
        • 2.Rc7
          • 2...b5
            • 3.Rxe7#
      • 1...b5
        • 2.Sb6
          • 2...b4
            • 3.Re5#
            • 3.Rc6#
        • 2.Rc7
          • 2...b4
            • 3.Rxe7#

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).