Problem Display
PID: 35949 (4K3/2p5/p2P1Np1/5P1p/1P1kN2P/1P6/6Q1/b7 w - - 0 1)

Nielsen, Kristian

Recomm., BCF 002. Ty., 1929-1930

4K3/2p5/p2P1Np1/5P1p/1P1kN2P/1P6/6Q1/b7

#3

9 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qd2#
    • 1...Ke3
      • 2.Qd2+
        • 2...Kf3
          • 3.Qf2#
      • 2.Qf2+
        • 2...Kd3
          • 3.Qd2#
  • Tries
    • 1.Qb2+?
      • 1...Ke3
        • 2.Qd2+
          • 2...Kf3
            • 3.Qf2#
        • 2.Qf2+
          • 2...Kd3
            • 3.Qd2#
      • 1...Bxb2!
    • 1.Qf2+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke5!
    • 1.Qg3?
      • threat
        • 2.Sc5
          • threat
            • 3.Se6#
        • 2.Sg5
          • threat
            • 3.Se6#
        • 2.d7
          • threat
            • 3.d8Q#
            • 3.d8R#
      • 1...cxd6
        • 2.Sg5
          • threat
            • 3.Se6#
      • 1...g5
        • 2.Sc5
          • threat
            • 3.Se6#
        • 2.Sxg5
          • threat
            • 3.Se6#
        • 2.d7
          • threat
            • 3.d8Q#
            • 3.d8R#
      • 1...c5
        • 2.Sxc5
          • threat
            • 3.Se6#
        • 2.Sg5
          • threat
            • 3.Se6#
        • 2.d7
          • threat
            • 3.d8Q#
            • 3.d8R#
      • 1...gxf5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qg3
          • threat
            • 3.Se6#
      • 1...Kc3
        • 2.Sd5+
          • 2...Kd4
            • 3.Qe4#
      • 1...Ke3
        • 2.Sd5+
          • 2...Kd4
            • 3.Qe4#
      • 1...Ke5
        • 2.Scd7+
          • 2...Kd4
            • 3.Qd2#
          • 2...Kf4
            • 3.Qf2#
          • 2...Kxf5
            • 3.Qe4#
          • 2...Kxd6
            • 3.Qd5#
      • 1...gxf5
        • 2.Qd2+
          • 2...Ke5
            • 3.Sfd7#
      • 1...cxd6
        • 2.Qf2+
          • 2...Kc3
            • 3.Sd5#
          • 2...Ke5
            • 3.Scd7#

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).