Problem Display
PID: 8454 (1Q4B1/4p3/3N1p2/2p1k3/5p2/1p3P2/1K6/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1977

1Q4B1/4p3/3N1p2/2p1k3/5p2/1p3P2/1K6/8

#3

5 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...exd6
      • 2.Qe8+
        • 2...Kd4
          • 3.Qe4#
        • 2...Kf5
          • 3.Qh5#
  • Tries
    • 1.Sc4+?
      • 1...Kd4
        • 2.Qd8#
      • 1...Kf5!
    • 1.Sb7+?
      • 1...Kd4
        • 2.Qxf4+
          • 2...Kd3
            • 3.Bc4#
      • 1...Kf5!
    • 1.Sc8+?
      • 1...Kd4
        • 2.Qxf4+
          • 2...Kd3
            • 3.Bc4#
      • 1...Kf5!
    • 1.Se8+?
      • 1...Kd4
        • 2.Qxf4+
          • 2...Kd3
            • 3.Bc4#
      • 1...Kf5!
    • 1.Qd8?
      • threat
        • 2.Qxe7+
          • 2...Kd4
            • 3.Qe4#
      • 1...exd6
        • 2.Qe8+
          • 2...Kd4
            • 3.Qe4#
          • 2...Kf5
            • 3.Qh5#
      • 1...f5
        • 2.Se8
          • threat
            • 3.Qd5#
          • 2...e6
            • 3.Qd6#
      • 1...e6
        • 2.Sf7+
          • 2...Kf5
            • 3.Bh7#
            • 3.Qd3#
      • 1...c4!
  • Keys
    • 1.Bc4!
      • 1...Kd4
        • 2.Sf5+
          • 2...Kxc4
            • 3.Qxb3#
      • 1...exd6
        • 2.Qe8+
          • 2...Kd4
            • 3.Qe4#
          • 2...Kf5
            • 3.Qh5#
      • 1...f5
        • 2.Se8+
          • 2...Kd4
            • 3.Qxf4#
      • 1...e6
        • 2.Sf7+
          • 2...Kd4
            • 3.Qxf4#
          • 2...Kf5
            • 3.Bd3#

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).