Problem Display
PID: 77389 (8/3R4/8/5k2/5N2/4KB2/8/8 w - - 0 1)

del Rio, Ercole Antonio

Source?, 1750

8/3R4/8/5k2/5N2/4KB2/8/8

#4

4 + 1


3713 Snap 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rg6
          • 2...Ke5
            • 3.Sd3+
              • 3...Kf5
                • 4.Be4#
      • 1...Ke5
        • 2.Rg6
          • 2...Kf5
            • 3.Be4+
              • 3...Ke5
                • 4.Sd3#
                • 4.Re6#
            • 3.Bg4+
              • 3...Ke5
                • 4.Re6#
      • 1...Kg5
        • 2.Rg6+
          • 2...Kf5
            • 3.Be4+
              • 3...Ke5
                • 4.Sd3#
                • 4.Re6#
            • 3.Bg4+
              • 3...Ke5
                • 4.Re6#

This anticipates 77760(1832)

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).