Problem Display
PID: 246897 (2N5/7q/1p6/pPk5/K1P2RNp/2Pp3P/3P4/8 w - - 0 1)

Pniak, Edmund Jan

Problem (Zagreb), 1956

2N5/7q/1p6/pPk5/K1P2RNp/2Pp3P/3P4/8

#4

9 + 6


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Rd4
          • threat
            • 3.Rd5#
          • 2...Qe4
            • 3.Sd7#
          • 2...Qg8
            • 3.Sxd3#
            • 3.Sd7#
          • 2...Qb7
            • 3.Sxd3#
          • 2...Qd7
            • 3.Sxd3#
            • 3.Sxd7#
          • 2...Qf7
            • 3.Sxd3#
      • 1...Qf5
        • 2.Re4
          • threat
            • 3.Sxd3#
          • 2...Qxh3
            • 3.Rd4
              • threat
                • 4.Rd5#
              • 3...Qg2
                • 4.Sxd3#
                • 4.Sd7#
              • 3...Qe6
                • 4.Sxd3#
              • 3...Qd7
                • 4.Sxd3#
                • 4.Sxd7#
              • 3...Qh1
                • 4.Sxd3#
                • 4.Sd7#
              • 3...Qf3
                • 4.Sd7#
          • 2...Qxe4
            • 3.Sd7+
              • 3...Kxc4
                • 4.Scxb6#
          • 2...Qxc8
            • 3.Rd4
              • threat
                • 4.Sxd3#
                • 4.Rd5#
          • 2...Qxe5
            • 3.Rxe5+
              • 3...Kxc4
                • 4.Sxb6#
                • 4.Sd6#

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).