Problem Display
PID: 14219 (8/2R5/1p6/8/3Q4/8/1NrN4/2k3K1 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Tidskrift for Schack, 1923

8/2R5/1p6/8/3Q4/8/1NrN4/2k3K1

#3

5 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qxc3#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rc5
      • 2.Rxc5+
        • 2...bxc5
          • 3.Qc3#
    • 1...Rc6
      • 2.Rxc6#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qxc2#
      • 1...Kxb2
        • 2.Qb3+
          • 2...Ka1
            • 3.Qb1#
          • 2...Kc1
            • 3.Qxc2#
        • 2.Qxc2+
          • 2...Ka1
            • 3.Sb3#
            • 3.Ra7#
            • 3.Qb1#
          • 2...Ka3
            • 3.Qb3#
      • 1...Kxd2
        • 2.Qd3+
          • 2...Kc1
            • 3.Qxc2#
          • 2...Ke1
            • 3.Qd1#
      • 1...Rxc4!
  • Keys
    • 1.Rc3!
      • 1...Kxb2
        • 2.Rb3+
          • 2...Kc1
            • 3.Rb1#
          • 2...Ka2
            • 3.Qa4#
      • 1...b5
        • 2.Qc5
          • threat
            • 3.Rxc2#
          • 2...Kxb2
            • 3.Qa3#
          • 2...Kxd2
            • 3.Qe3#
          • 2...Rxc3
            • 3.Qxc3#

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).