Problem Display
PID: 180724 (8/8/3B4/3K4/3N4/3k3p/R7/8 w - - 0 1)

Grupen, Claus

Problem Observer, 2012

8/8/3B4/3K4/3N4/3k3p/R7/8

#3

4 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kc3
      • 2.Ke4
        • threat
          • 3.Rc2#
        • 2...Kc4
          • 3.Rc2#
    • 1...Ke3
      • 2.Kc4
        • threat
          • 3.Re2#
        • 2...Ke4
          • 3.Re2#
  • Tries
    • 1.Bh2?
      • 1...Ke3
        • 2.Kc4
          • 2...Ke4
            • 3.Re2#
      • 1...Kc3!
    • 1.Ba3?
      • 1...Kc3
        • 2.Ke4
          • threat
            • 3.Rc2#
          • 2...Kc4
            • 3.Rc2#
      • 1...Ke3
        • 2.Bc1+
          • 2...Kd3
            • 3.Ra3#
      • 1...h2!
    • 1.Bg3?
      • 1...Kc3
        • 2.Be1+
          • 2...Kd3
            • 3.Ra3#
      • 1...Ke3
        • 2.Kc4
          • threat
            • 3.Re2#
          • 2...Ke4
            • 3.Re2#
      • 1...h2!
    • 1.Bc7?
      • 1...Kc3
        • 2.Ba5+
          • 2...Kd3
            • 3.Ra3#
      • 1...Ke3
        • 2.Kc4
          • threat
            • 3.Re2#
          • 2...Ke4
            • 3.Re2#
      • 1...h2!
    • 1.Be7?
      • 1...Kc3
        • 2.Ke4
          • threat
            • 3.Rc2#
          • 2...Kc4
            • 3.Rc2#
      • 1...Ke3
        • 2.Bg5+
          • 2...Kd3
            • 3.Ra3#
      • 1...h2!
    • 1.Bf8?
      • 1...Kc3
        • 2.Ke4
          • threat
            • 3.Rc2#
          • 2...Kc4
            • 3.Rc2#
      • 1...Ke3
        • 2.Bh6+
          • 2...Kd3
            • 3.Ra3#
      • 1...h2!
    • 1.Rc2?
      • 1...Ke3
        • 2.Kc4
          • threat
            • 3.Re2#
          • 2...Ke4
            • 3.Re2#
      • 1...h2!
    • 1.Re2?
      • 1...Kc3
        • 2.Ke4
          • threat
            • 3.Rc2#
          • 2...Kc4
            • 3.Rc2#
      • 1...h2!
  • Keys
    • 1.Rh2!
      • 1...Kc3
        • 2.Ke4
          • 2...Kc4
            • 3.Rc2#
      • 1...Ke3
        • 2.Kc4
          • 2...Ke4
            • 3.Re2#

This is after 180653

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).