Problem Display
PID: 137038 (8/1N1pkNK1/8/2PPP3/6B1/8/8/8 w - - 0 1)

Popovski, Aleksandr

The Problemist, 2010

8/1N1pkNK1/8/2PPP3/6B1/8/8/8

#3

7 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Sa5?
      • 1...d6
        • 2.Sc6+
          • 2...Ke8
            • 3.Sxd6#
      • 1...Ke8!
    • 1.Sbd8?
      • 1...d6
        • 2.Sc6+
          • 2...Ke8
            • 3.Sxd6#
      • 1...Ke8!
    • 1.Sg5?
      • threat
        • 2.d6+
          • 2...Ke8
            • 3.Bh5#
      • 1...Ke8
        • 2.Bh5+
          • 2...Ke7
            • 3.d6#
      • 1...d6!
    • 1.Sh6?
      • threat
        • 2.Sf5+
          • 2...Ke8
            • 3.Bh5#
        • 2.Sg8+
          • 2...Ke8
            • 3.Bh5#
        • 2.d6+
          • 2...Ke8
            • 3.Bh5#
      • 1...Ke8
        • 2.Bh5+
          • 2...Ke7
            • 3.Sf5#
            • 3.Sg8#
      • 1...d6!
    • 1.Bh5?
      • 1...Ke8
        • 2.Sg5+
          • 2...Ke7
            • 3.d6#
        • 2.Sfd6+
          • 2...Ke7
            • 3.Sf5#
            • 3.Sc8#
        • 2.Sh6+
          • 2...Ke7
            • 3.Sf5#
            • 3.Sg8#
        • 2.Sfd8+
          • 2...Ke7
            • 3.d6#
      • 1...d6!
    • 1.c6?
      • threat
        • 2.d6+
          • 2...Ke8
            • 3.Bxd7#
            • 3.cxd7#
      • 1...Ke8
        • 2.Bxd7+
          • 2...Ke7
            • 3.d6#
        • 2.cxd7+
          • 2...Ke7
            • 3.d6#
            • 3.d8Q#
      • 1...d6
        • 2.Bd7
          • 2...dxe5
            • 3.d6#
        • 2.exd6+
          • 2...Ke8
            • 3.Bd7#
      • 1...dxc6!
  • Keys
    • 1.Sfd8!
      • threat
        • 2.d6+
          • 2...Ke8
            • 3.Bh5#
      • 1...Ke8
        • 2.Bh5+
          • 2...Ke7
            • 3.d6#
      • 1...d6
        • 2.Sc6+
          • 2...Ke8
            • 3.Sxd6#

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).