Problem Display
PID: 143783 (7B/1p1p3P/1P5p/8/5PpP/3P2Pk/7P/7K w - - 0 1)

Heyl, Peter

Troll, 2011

7B/1p1p3P/1P5p/8/5PpP/3P2Pk/7P/7K

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Ba1!
      • threat
        • 2.h8Q
          • threat
            • 3.Qb2
              • threat
                • 4.Qg2#
      • 1...h5
        • 2.h8Q
          • threat
            • 3.Qb2
              • threat
                • 4.Qg2#
          • 2...d5
            • 3.Qb2
              • 3...d4
                • 4.Qg2#
          • 2...d6
            • 3.Qb2
              • 3...d5
                • 4.Qg2#
        • 2.h8S
          • threat
            • 3.Sf7
              • threat
                • 4.Sg5#
          • 2...d5
            • 3.Sf7
              • 3...d4
                • 4.Sg5#
          • 2...d6
            • 3.Sf7
              • 3...d5
                • 4.Sg5#
      • 1...d5
        • 2.h8S
          • 2...d4
            • 3.Sf7
              • 3...h5
                • 4.Sg5#
          • 2...h5
            • 3.Sf7
              • 3...d4
                • 4.Sg5#
      • 1...d6
        • 2.h8Q
          • threat
            • 3.Qb2
              • threat
                • 4.Qg2#
          • 2...h5
            • 3.Qb2
              • 3...d5
                • 4.Qg2#

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).