Problem Display
PID: 274471 (4N3/1pp5/3p1p2/Q3p1p1/Pp2k3/4P3/P3K2P/n7 w - - 0 1)

Pustilnikov, Mikhail Borisovich

Springaren, 1991

4N3/1pp5/3p1p2/Q3p1p1/Pp2k3/4P3/P3K2P/n7

#3

7 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...f5
      • 2.Sf6#
    • 1...c6
      • 2.Sxd6#
  • Keys
    • 1.Qxc7!
      • threat
        • 2.Qc8
          • threat
            • 3.Sxf6#
          • 2...Kd5
            • 3.Sxf6#
          • 2...f5
            • 3.Sf6#
            • 3.Qc4#
      • 1...Kd5
        • 2.Qxb7+
          • 2...Kc4
            • 3.Qc6#
          • 2...Kc5
            • 3.Qb5#
          • 2...Ke6
            • 3.Sg7#
      • 1...Kf5
        • 2.Qh7+
          • 2...Kg4
            • 3.Sxf6#
          • 2...Ke6
            • 3.Sc7#
      • 1...Sc2
        • 2.Qxc2+
          • 2...Kd5
            • 3.Sc7#
      • 1...Sb3
        • 2.Qc2+
          • 2...Kd5
            • 3.Sc7#
      • 1...b5
        • 2.Qc8
          • threat
            • 3.Sxf6#
          • 2...Kd5
            • 3.Sxf6#
          • 2...f5
            • 3.Sf6#

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).