Problem Display
PID: 215031 (K4Rbb/Q4p1k/4p1p1/6B1/2p5/3N1P2/8/8 w - - 0 1)

Arnell, Alfred Wilhelm Theodor

Nordiske Skakproblemer (Arnell & Sorensen), 1879

K4Rbb/Q4p1k/4p1p1/6B1/2p5/3N1P2/8/8

#4

6 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qh2+
          • 2...Kg7
            • 3.Qh6#
      • 1...Kg7
        • 2.Rxg8+
          • 2...Kh7
            • 3.Rxh8+
              • 3...Kg7
                • 4.Qf8#
                • 4.Qg8#
      • 1...Be5
        • 2.Qxe5
          • threat
            • 3.Qh2+
              • 3...Kg7
                • 4.Qh6#
      • 1...e5
        • 2.Qb2
          • threat
            • 3.Qh2+
              • 3...Kg7
                • 4.Qh6#
          • 2...Kg7
            • 3.Bf6+
              • 3...Kxf6
                • 4.Qxe5#
              • 3...Kh6
                • 4.Qh2#
              • 3...Kh7
                • 4.Qh2#
              • 3...Kxf8
                • 4.Qb8#
          • 2...Bg7
            • 3.Qh2+
              • 3...Bh6
                • 4.Qxh6#

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).