Problem Display
PID: 47391 (B7/8/6R1/5p2/1NbK1k2/7p/8/8 w - - 0 1)

Howard, David M

Problem Observer, 2003

B7/8/6R1/5p2/1NbK1k2/7p/8/8

#3

4 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Ba2
      • 2.Sd3#
    • 1...Bb3
      • 2.Sd3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Bd5
      • 2.Bxd5
        • 2...h2
          • 3.Sd3#
    • 1...Be6
      • 2.Sd3#
    • 1...Bf7
      • 2.Sd3#
    • 1...Bg8
      • 2.Sd3#
    • 1...h2
      • 2.Bh1
        • 2...Bf1
          • 3.Sd5#
        • 2...Ba2
          • 3.Sd3#
        • 2...Be2
          • 3.Sd5#
        • 2...Bb3
          • 3.Sd3#
        • 2...Bd3
          • 3.Sxd3#
          • 3.Sd5#
        • 2...Bb5
          • 3.Sd5#
        • 2...Bd5
          • 3.Sd3#
          • 3.Sxd5#
        • 2...Ba6
          • 3.Sd5#
        • 2...Be6
          • 3.Sd3#
        • 2...Bf7
          • 3.Sd3#
        • 2...Bg8
          • 3.Sd3#
  • Tries
    • 1.Kxc4?
      • threat
        • 2.Kd4
          • 2...h2
            • 3.Sd3#
      • 1...h2
        • 2.Kd4
          • threat
            • 3.Sd3#
      • 1...Ke3!
    • 1.Bg2?
      • 1...h2
        • 2.Bh1
          • 2...Bf1
            • 3.Sd5#
          • 2...Ba2
            • 3.Sd3#
          • 2...Be2
            • 3.Sd5#
          • 2...Bb3
            • 3.Sd3#
          • 2...Bd3
            • 3.Sxd3#
            • 3.Sd5#
          • 2...Bb5
            • 3.Sd5#
          • 2...Bd5
            • 3.Sd3#
            • 3.Sxd5#
          • 2...Ba6
            • 3.Sd5#
          • 2...Be6
            • 3.Sd3#
          • 2...Bf7
            • 3.Sd3#
          • 2...Bg8
            • 3.Sd3#
      • 1...hxg2!
    • 1.Be4?
      • 1...h2
        • 2.Bh1
          • 2...Bf1
            • 3.Sd5#
          • 2...Ba2
            • 3.Sd3#
          • 2...Be2
            • 3.Sd5#
          • 2...Bb3
            • 3.Sd3#
          • 2...Bd3
            • 3.Sxd3#
            • 3.Sd5#
          • 2...Bb5
            • 3.Sd5#
          • 2...Bd5
            • 3.Sd3#
            • 3.Sxd5#
          • 2...Ba6
            • 3.Sd5#
          • 2...Be6
            • 3.Sd3#
          • 2...Bf7
            • 3.Sd3#
          • 2...Bg8
            • 3.Sd3#
      • 1...fxe4!
  • Keys
    • 1.Bh1!
      • 1...h2
        • 2.Rg7
          • 2...Bf1
            • 3.Sd5#
          • 2...Ba2
            • 3.Sd3#
          • 2...Be2
            • 3.Sd5#
          • 2...Bb3
            • 3.Sd3#
          • 2...Bd3
            • 3.Sxd3#
            • 3.Sd5#
          • 2...Bb5
            • 3.Sd5#
          • 2...Bd5
            • 3.Sd3#
            • 3.Sxd5#
          • 2...Ba6
            • 3.Sd5#
          • 2...Be6
            • 3.Sd3#
          • 2...Bf7
            • 3.Sd3#
          • 2...Bg8
            • 3.Sd3#

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).