Problem Display
PID: 248683 (8/rb2p3/N7/8/p3k3/4NR1P/6Q1/7K w - - 0 1)

Kubbel, Arvid Ivanovich

Tidskrift for Schack, 1917

8/rb2p3/N7/8/p3k3/4NR1P/6Q1/7K

#3

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Qd2?
      • threat
        • 2.Sc4
          • threat
            • 3.Rf4#
            • 3.Qd3#
          • 2...Kxf3
            • 3.Qe3#
        • 2.Sg4
          • threat
            • 3.Rf4#
            • 3.Qd3#
          • 2...Kxf3
            • 3.Qe3#
      • 1...Ke5
        • 2.Sc4+
          • 2...Ke4
            • 3.Rf4#
            • 3.Qd3#
          • 2...Ke6
            • 3.Sc5#
            • 3.Sc7#
        • 2.Sg4+
          • 2...Ke4
            • 3.Rf4#
            • 3.Qd3#
          • 2...Ke6
            • 3.Sc5#
            • 3.Sc7#
      • 1...e5
        • 2.Sc4
          • threat
            • 3.Qd3#
          • 2...Kxf3
            • 3.Qe3#
      • 1...Kxf3!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Qf4+
          • 2...Ke6
            • 3.Sc5#
      • 1...Kd3!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qd2
          • threat
            • 3.Rf4#
            • 3.Qd3#
          • 2...Kxf3
            • 3.Qe3#
      • 1...Kd4
        • 2.Qd2+
          • 2...Kxc4
            • 3.Qd3#
          • 2...Ke4
            • 3.Rf4#
            • 3.Qd3#
      • 1...Kd5
        • 2.Rf4+
          • 2...Ke6
            • 3.Sc5#
      • 1...Bxa6
        • 2.Rf4+
          • 2...Kd3
            • 3.Qd2#
          • 2...Kxf4
            • 3.Qg4#
      • 1...e5
        • 2.Qd2
          • threat
            • 3.Qd3#
          • 2...Kxf3
            • 3.Qe3#

FEATURES


NOT CLASSIFIED


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).