Problem Display
PID: 247227 (n1bn2q1/3p1pp1/8/4B1R1/7P/1p1PpNK1/1R2P2P/k7 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1954

n1bn2q1/3p1pp1/8/4B1R1/7P/1p1PpNK1/1R2P2P/k7

#3

9 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Bb7
      • 2.Kh3
        • threat
          • 3.Rg1#
    • 1...Sb7
      • 2.Kf4
        • threat
          • 3.Rg1#
  • Tries
    • 1.Sd2?
      • threat
        • 2.Sxb3#
      • 1...f5
        • 2.Rb1+
          • 2...Ka2
            • 3.Ra1#
      • 1...f6
        • 2.Rb1+
          • 2...Ka2
            • 3.Ra1#
      • 1...exd2!
    • 1.Rb1+?
      • 1...Ka2
        • 2.Ra1#
      • 1...Kxb1!
    • 1.Rg4?
      • threat
        • 2.Ra4#
      • 1...Qf8
        • 2.Ra4+
          • 2...Qa3
            • 3.Rxa3#
      • 1...Sb6!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Ra5#
      • 1...Qf8
        • 2.Ra5+
          • 2...Qa3
            • 3.Rxa3#
      • 1...Sb6
        • 2.Ra5+
          • 2...Sa4
            • 3.Rxa4#
      • 1...Sc6
        • 2.Kf4
          • threat
            • 3.Rg1#
      • 1...Sb7
        • 2.Kf4
          • threat
            • 3.Rg1#
      • 1...d5
        • 2.Sd4
          • threat
            • 3.Sxb3#
      • 1...f5
        • 2.Kh3
          • threat
            • 3.Rg1#

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).