Problem Display
PID: 215418 (6B1/1p1kN3/bP1p4/1p5p/1B5K/4R2N/8/8 w - - 0 1)

Arnell, Alfred Wilhelm Theodor

Vasarnapi Ujsag, 1884

6B1/1p1kN3/bP1p4/1p5p/1B5K/4R2N/8/8

#4

7 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Be6+
          • 2...Kd8
            • 3.Rc3
              • 3...Ke8
                • 4.Rc8#
            • 3.Rg3
              • 3...Ke8
                • 4.Rg8#
          • 2...Ke8
            • 3.Rf3
              • 3...Kd8
                • 4.Rf8#
            • 3.Rg3
              • threat
                • 4.Rg8#
              • 3...Kd8
                • 4.Rg8#
              • 3...Kf8
                • 4.Rg8#
        • 2.Re6
          • threat
            • 3.Sf6+
              • 3...Kc6
                • 4.Rxd6#
              • 3...Kc8
                • 4.Re8#
              • 3...Kd8
                • 4.Re8#
          • 2...Kc8
            • 3.Rxd6
              • 3...Kb8
                • 4.Rd8#
            • 3.Sf6
              • threat
                • 4.Re8#
              • 3...Kb8
                • 4.Re8#
              • 3...Kd8
                • 4.Re8#
          • 2...Kd8
            • 3.Sf6
              • threat
                • 4.Re8#
              • 3...Kc8
                • 4.Re8#
      • 1...Kc6
        • 2.Re6
          • threat
            • 3.Rxd6#
          • 2...Kxd5
            • 3.Sf2
              • 3...Kc4
                • 4.Re4#
              • 3...Kd4
                • 4.Re4#
              • 3...Kc6
                • 4.Rxd6#
          • 2...Kd7
            • 3.Sf6+
              • 3...Kc6
                • 4.Rxd6#
              • 3...Kc8
                • 4.Re8#
              • 3...Kd8
                • 4.Re8#

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).