Problem Display
PID: 134711 (8/p3p1N1/B3Rp2/2Pk4/p2p4/3N4/2K5/8 w - - 0 1)

Strydom, Jan

Problem Observer, 1997

8/p3p1N1/B3Rp2/2Pk4/p2p4/3N4/2K5/8

#3

6 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...a3
      • 2.Kb3
        • threat
          • 3.Bc4#
          • 3.Bb7#
    • 1...f5
      • 2.Bb5
        • threat
          • 3.Re5#
  • Tries
    • 1.Kb1?
      • 1...f5
        • 2.Bb5
          • threat
            • 3.Re5#
      • 1...a3!
    • 1.Kc1?
      • 1...f5
        • 2.Bb5
          • threat
            • 3.Re5#
      • 1...a3!
    • 1.Kd1?
      • 1...f5
        • 2.Bb5
          • threat
            • 3.Re5#
      • 1...a3!
    • 1.Kb2?
      • 1...a3+
        • 2.Kb3
          • threat
            • 3.Bc4#
            • 3.Bb7#
      • 1...f5!
    • 1.Kd2?
      • 1...f5
        • 2.Bb5
          • threat
            • 3.Re5#
      • 1...a3!
    • 1.Rb6?
      • threat
        • 2.Bb7+
          • 2...Kc4
            • 3.Rb4#
      • 1...Ke4
        • 2.Bb7+
          • 2...Ke3
            • 3.Re6#
      • 1...axb6!
    • 1.Rd6+?
      • 1...Ke4
        • 2.Bb7+
          • 2...Ke3
            • 3.Re6#
      • 1...exd6!
  • Keys
    • 1.c6!
      • 1...a3
        • 2.Kb3
          • threat
            • 3.Bc4#
      • 1...f5
        • 2.Se8
          • threat
            • 3.Sc7#
          • 2...Kxe6
            • 3.Bc4#

This is a version

A version of a problem by Hans Liebeck.

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).