Problem Display
PID: 221338 (1K5k/2pp1pR1/pp3Pp1/8/r7/r4N2/6Q1/1qnbb3 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1944

1K5k/2pp1pR1/pp3Pp1/8/r7/r4N2/6Q1/1qnbb3

#3

5 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Rb3
      • 2.Se5
        • threat
          • 3.Sxf7#
      • 2.Sg5
        • threat
          • 3.Sxf7#
    • 1...Rc4
      • 2.Se5
        • threat
          • 3.Sxf7#
      • 2.Sg5
        • threat
          • 3.Sxf7#
    • 1...Bc3
      • 2.Qh1+
        • 2...Rh4
          • 3.Qxh4#
      • 2.Qh3+
        • 2...Rh4
          • 3.Qxh4#
      • 2.Qh2+
        • 2...Rh4
          • 3.Qxh4#
    • 1...Bb4
      • 2.Qh1#
      • 2.Qh3#
      • 2.Qh2#
    • 1...Ba5
      • 2.Qh1+
        • 2...Rh4
          • 3.Qxh4#
      • 2.Qh3+
        • 2...Rh4
          • 3.Qxh4#
      • 2.Qh2+
        • 2...Rh4
          • 3.Qxh4#
    • 1...Sb3
      • 2.Se5
        • threat
          • 3.Sxf7#
      • 2.Sg5
        • threat
          • 3.Sxf7#
    • 1...d5
      • 2.Se5
        • threat
          • 3.Sxf7#
      • 2.Sg5
        • threat
          • 3.Sxf7#
      • 2.Qh3+
        • 2...Rh4
          • 3.Qc8#
        • 2...Bh4
          • 3.Qc8#
    • 1...d6
      • 2.Qh3+
        • 2...Rh4
          • 3.Qc8#
        • 2...Bh4
          • 3.Qc8#
  • Keys
    • 1.Se5!
      • threat
        • 2.Sxf7#
      • 1...Qa2
        • 2.Qxg6
          • threat
            • 3.Rh7#
            • 3.Rg8#
            • 3.Qh7#
            • 3.Qh6#
          • 2...fxg6
            • 3.Sxg6#
      • 1...Qb3
        • 2.Qxg6
          • threat
            • 3.Rh7#
            • 3.Rg8#
            • 3.Qh7#
            • 3.Qh6#
          • 2...fxg6
            • 3.Sxg6#
      • 1...Bb3
        • 2.Qb7
          • threat
            • 3.Qc8#
          • 2...Bb4
            • 3.Qh1#

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).