Problem Display
PID: 251071 (1R1N1K2/3k1b1p/1P3n2/1p2P3/5rp1/1p3P1B/2p5/7Q w - - 0 1)

Kuhl, Martin

Die Schwalbe, 1930

1R1N1K2/3k1b1p/1P3n2/1p2P3/5rp1/1p3P1B/2p5/7Q

#4

8 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qa7#
      • 1...Ra4
        • 2.Bf1
          • threat
            • 3.Bxb5#
          • 2...c1Q
            • 3.Bxb5+
              • 3...Qc6
                • 4.Bxc6#
          • 2...c1R
            • 3.Bxb5+
              • 3...Rc6
                • 4.Bxc6#
          • 2...Rc4
            • 3.Qa7+
              • 3...Rc7
                • 4.Bxb5#
                • 4.Qxc7#
          • 2...Ra5
            • 3.Bxb5+
              • 3...Rxb5
                • 4.Qa7#
          • 2...Bc4
            • 3.Qd4+
              • 3...Bd5
                • 4.Bxb5#
              • 3...Sd5
                • 4.Qxg4#
          • 2...Bd5
            • 3.Bxb5+
              • 3...Bc6
                • 4.Bxc6#

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).