Problem Display
PID: 136091 (5BkN/3K3R/8/3R1P2/8/8/8/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Mat Plus, 2010

5BkN/3K3R/8/3R1P2/8/8/8/8

#3

6 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Kc6?
      • threat
        • 2.Rdd7
          • 2...Kxf8
            • 3.Rd8#
      • 1...Kxf8
        • 2.Rd8#
      • 1...Kxh7!
    • 1.Ke6?
      • threat
        • 2.Rdd7
          • 2...Kxf8
            • 3.Rd8#
      • 1...Kxf8
        • 2.Rd8#
      • 1...Kxh7!
    • 1.Kc7?
      • threat
        • 2.Rdd7
          • 2...Kxf8
            • 3.Rd8#
      • 1...Kxf8
        • 2.Rd8#
      • 1...Kxh7!
    • 1.Kc8?
      • threat
        • 2.Rdd7
          • 2...Kxf8
            • 3.Rd8#
      • 1...Kxf8
        • 2.Rd8#
      • 1...Kxh7!
    • 1.Ra5?
      • 1...Kxf8
        • 2.Ra8#
      • 1...Kxh7!
    • 1.Rb5?
      • 1...Kxf8
        • 2.Rb8#
      • 1...Kxh7!
    • 1.Rc5?
      • 1...Kxf8
        • 2.Rc8#
      • 1...Kxh7!
    • 1.Re5?
      • threat
        • 2.Ree7
          • 2...Kxf8
            • 3.Re8#
      • 1...Kxf8
        • 2.Re8#
      • 1...Kxh7!
    • 1.Re7?
      • 1...Kxf8
        • 2.Ke6
          • 2...Kg8
            • 3.Rd8#
        • 2.Ra5
          • 2...Kg8
            • 3.Ra8#
        • 2.Rb5
          • 2...Kg8
            • 3.Rb8#
        • 2.Rc5
          • 2...Kg8
            • 3.Rc8#
      • 1...Kxh8!
  • Keys
    • 1.f6!
      • threat
        • 2.Rg7+
          • 2...Kxf8
            • 3.Sg6#
          • 2...Kxh8
            • 3.Rh5#
        • 2.f7+
          • 2...Kxh7
            • 3.Rh5#
          • 2...Kxf8
            • 3.Sg6#
      • 1...Kxh7
        • 2.f7
          • 2...Kxh8
            • 3.Rh5#
      • 1...Kxf8
        • 2.Sg6+
          • 2...Kg8
            • 3.Rg7#

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).