Problem Display
PID: 62339 (4K3/4Np2/1p1B1pbQ/1p1B3p/3k1qRr/3p1Pn1/1P3P2/2b5 w - - 0 1)

Feldbrugge, Johannes Hermanus Bernardus

Schakend Nederland, 1961

4K3/4Np2/1p1B1pbQ/1p1B3p/3k1qRr/3p1Pn1/1P3P2/2b5

#3

9 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Qe4
      • 2.Qxc1
        • threat
          • 3.Qe3#
          • 3.Qc3#
    • 1...Bf5
      • 2.Qxf6#
    • 1...Bh7
      • 2.Qxf6#
  • Tries
    • 1.Qxf4+?
      • 1...Be4
        • 2.Qxf6#
      • 1...Se4
        • 2.Qxf6#
      • 1...Bxf4!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Sc6#
      • 1...Bxb2
        • 2.Qxf4+
          • 2...Kc3
            • 3.Qb4#
          • 2...Be4
            • 3.Qxf6#
          • 2...Se4
            • 3.Qxf6#
      • 1...d2
        • 2.Qxf4+
          • 2...Kd3
            • 3.Qe3#
          • 2...Be4
            • 3.Qe3#
          • 2...Se4
            • 3.Qe3#
      • 1...Qe4
        • 2.Qxc1
          • threat
            • 3.Qe3#
            • 3.Qc3#
      • 1...Be4
        • 2.Qxf6+
          • 2...Qe5
            • 3.Qxe5#
          • 2...Qxf6
            • 3.Sc6#

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).