Problem Display
PID: 215284 (3kn3/2b2Q2/5n2/5B2/4N3/3K4/8/8 w - - 0 1)

Barreda, Eladio

SEPA, 1942

3kn3/2b2Q2/5n2/5B2/4N3/3K4/8/8

#3

4 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Qd7#
    • 1...Sg4
      • 2.Qd7#
    • 1...Sd5
      • 2.Qd7#
    • 1...Sh5
      • 2.Qd7#
    • 1...Sd7
      • 2.Qxd7#
    • 1...Sh7
      • 2.Qd7#
    • 1...Sg8
      • 2.Qd7#
    • 1...Sg7
      • 2.Sxf6
        • threat
          • 3.Qd7#
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Qxe8#
        • 2.Qd7#
      • 1...Bh2
        • 2.Qd7#
      • 1...Bg3
        • 2.Qd7#
      • 1...Bf4
        • 2.Qd7#
      • 1...Ba5
        • 2.Qd7#
      • 1...Be5
        • 2.Qd7#
      • 1...Bb6
        • 2.Qd7#
      • 1...Bd6
        • 2.Qd7#
      • 1...Bb8
        • 2.Qd7#
      • 1...Sd6
        • 2.Qd7#
      • 1...Sg7
        • 2.Qd7#
      • 1...Sxf6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb7#
      • 1...Sd6
        • 2.Se6+
          • 2...Kc8
            • 3.Qxc7#
        • 2.Qxf6+
          • 2...Ke8
            • 3.Bd7#

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).