Problem Display
PID: 28008 (6Q1/8/1p6/r6r/2P1p1N1/p3Pp1p/5K2/7k w - - 0 1)

Turnbull, Ronald

The Problemist Supplement, 2001

6Q1/8/1p6/r6r/2P1p1N1/p3Pp1p/5K2/7k

#3

5 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qh8
        • threat
          • 3.Qa1#
          • 3.Qxh3#
    • 1...Re5
      • 2.Qh8
        • threat
          • 3.Qxh3#
        • 2...Rh5
          • 3.Qa1#
        • 2...h2
          • 3.Qxh2#
    • 1...Rf5
      • 2.Qh8
        • threat
          • 3.Qa1#
          • 3.Qxh3#
    • 1...Rg5
      • 2.Qh8
        • threat
          • 3.Qa1#
          • 3.Qxh3#
    • 1...Rh8
      • 2.Qxh8
        • threat
          • 3.Qa1#
          • 3.Qxh3#
    • 1...h2
      • 2.Kf1
        • threat
          • 3.Sf2#
        • 2...f2
          • 3.Sxf2#
  • Tries
    • 1.Qg7?
      • threat
        • 2.Qa1#
      • 1...Rab5
        • 2.Qa1+
          • 2...Rb1
            • 3.Qxb1#
      • 1...Rad5
        • 2.Qa1+
          • 2...Rd1
            • 3.Qxd1#
      • 1...Rhb5
        • 2.Qa1+
          • 2...Rb1
            • 3.Qxb1#
      • 1...Rhd5
        • 2.Qa1+
          • 2...Rd1
            • 3.Qxd1#
      • 1...Rhe5
        • 2.Qh8
          • threat
            • 3.Qxh3#
          • 2...Rh5
            • 3.Qa1#
          • 2...h2
            • 3.Qxh2#
      • 1...Rae5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qh2#
      • 1...Rae5
        • 2.Qd6
          • threat
            • 3.Qd1#
          • 2...Rd5
            • 3.Qh2#
      • 1...Rhe5
        • 2.Qh8
          • threat
            • 3.Qxh3#
          • 2...Rh5
            • 3.Qa1#
          • 2...h2
            • 3.Qxh2#
      • 1...h2
        • 2.Kf1
          • threat
            • 3.Sf2#
          • 2...f2
            • 3.Sxf2#

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).