Problem Display
PID: 76043 (8/8/2QP4/6pp/4Pkpp/3p4/3P2P1/R3K3 w Q - 0 1)

Ade, Dr Rochus

Troll, 2003

8/8/2QP4/6pp/4Pkpp/3p4/3P2P1/R3K3

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Qc5!
      • threat
        • 2.Kf2
          • threat
            • 3.Qf5#
          • 2...g3+
            • 3.Ke1
              • threat
                • 4.Qf5#
              • 3...Kxe4
                • 4.Ra4#
              • 3...Kg4
                • 4.Qf5#
            • 3.Kf1
              • threat
                • 4.Qf5#
              • 3...Kxe4
                • 4.Ra4#
              • 3...Kg4
                • 4.Qf5#
            • 3.Kg1
              • threat
                • 4.Qf5#
              • 3...Kxe4
                • 4.Ra4#
              • 3...Kg4
                • 4.Qf5#
      • 1...Kg3
        • 2.Qf2+
          • 2...Kh2
            • 3.0-0-0
              • 3...g3
                • 4.Qg1#
              • 3...h3
                • 4.g3#
      • 1...h3
        • 2.Kf1
          • 2...hxg2+
            • 3.Kxg2
              • threat
                • 4.Qf5#
              • 3...Kxe4
                • 4.Ra4#
          • 2...Kg3
            • 3.Qe5+
              • 3...Kh4
                • 4.g3#
          • 2...h2
            • 3.Qf5+
              • 3...Kg3
                • 4.Qf2#
          • 2...h4
            • 3.Qf5+
              • 3...Kg3
                • 4.Qe5#

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).