Problem Display
PID: 273832 (2Br4/5Nb1/2R2PKp/4B3/nP2kP1R/2p3p1/2qPprp1/1QNb4 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1932

2Br4/5Nb1/2R2PKp/4B3/nP2kP1R/2p3p1/2qPprp1/1QNb4

#3

12 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Rd5
      • 2.f5+
        • 2...Kf3
          • 3.Rf4#
        • 2...Rf4
          • 3.Rxf4#
  • Tries
    • 1.f5+?
      • 1...Rf4
        • 2.Rc4+
          • 2...Kf3
            • 3.Rcxf4#
            • 3.Rhxf4#
          • 2...Kd5
            • 3.Be6#
          • 2...Rd4
            • 3.Bb7#
      • 1...Kd5!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Rc4#
        • 2.Rd6#
      • 1...Kf3+
        • 2.f5
          • threat
            • 3.Rf4#
            • 3.Rxc3#
          • 2...Qxf5+
            • 3.Qxf5#
          • 2...cxd2
            • 3.Rc3#
          • 2...Qe4
            • 3.Qxe4#
      • 1...Kd5+
        • 2.d3
          • threat
            • 3.Ra6#
            • 3.Rb6#
            • 3.Rd6#
          • 2...Qxd3+
            • 3.Qxd3#
          • 2...Rd6
            • 3.Rxd6#
      • 1...Rxd2
        • 2.Rxc3+
          • 2...Rd5
            • 3.Sd6#
      • 1...cxd2
        • 2.Rc3+
          • 2...Rd5
            • 3.Sd6#
      • 1...Rd5
        • 2.f5+
          • 2...Kf3
            • 3.Rf4#
          • 2...Rf4
            • 3.Rxf4#
      • 1...Sc5
        • 2.Rxc5+
          • 2...Rd5
            • 3.Bxd5#

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).