Problem Display
PID: 221497 (r1b5/pp6/3R1p2/4Nkp1/6pb/Q2N2p1/8/1K6 w - - 0 1)

Kastner, Bernhard

Deutsches Wochenschach, 1888

(First published on Sat Dec 1 1888)

r1b5/pp6/3R1p2/4Nkp1/6pb/Q2N2p1/8/1K6

#3

5 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qb4+
        • 2...Ke3
          • 3.Qe1#
        • 2...Kf5
          • 3.Qxg4#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qd3+
          • 2...Kxf4
            • 3.Sg6#
          • 2...Kxe5
            • 3.Sg6#
      • 1...Ke4
        • 2.Sfg6
          • threat
            • 3.Qd3#
          • 2...Kf5
            • 3.Qd3#
        • 2.Seg6
          • threat
            • 3.Qd3#
          • 2...Kf5
            • 3.Qd3#
        • 2.Qd3+
          • 2...Kxf4
            • 3.Sg6#
          • 2...Kxe5
            • 3.Sg6#
      • 1...Kxf4
        • 2.Sg6+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kf5
            • 3.Qd3#
      • 1...Kxe5
        • 2.Sg6+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kf5
            • 3.Qd3#
      • 1...gxf4
        • 2.Qd3+
          • 2...Kxe5
            • 3.Qd5#
          • 2...Kg5
            • 3.Qg6#
      • 1...fxe5
        • 2.Rf6+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kxf6
            • 3.Qf8#

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).