Problem Display
PID: 52143 (6Nn/3p4/p4K1p/r2p1Qpr/6pk/6p1/6pn/6N1 w - - 0 1)

Kozdon, Baldur

Probleemblad, 2004

(First published on Thu Jan 1 2004)

6Nn/3p4/p4K1p/r2p1Qpr/6pk/6p1/6pn/6N1

#4

4 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Se7!
      • threat
        • 2.Qe5
          • threat
            • 3.Sf5#
      • 1...Rb5
        • 2.Qb1
          • threat
            • 3.Sf5#
          • 2...Rb6+
            • 3.Qxb6
              • threat
                • 4.Sf5#
          • 2...d4
            • 3.Qxb5
              • threat
                • 4.Sf5#
      • 1...Rc5
        • 2.Qc2
          • threat
            • 3.Sf5#
          • 2...Rc6+
            • 3.Qxc6
              • threat
                • 4.Sf5#
          • 2...d4
            • 3.Qxc5
              • threat
                • 4.Sf5#
      • 1...Sf1
        • 2.Qh7
          • threat
            • 3.Sf5#
          • 2...Se3
            • 3.Qxh8
              • threat
                • 4.Sg6#
          • 2...d4
            • 3.Qxh8
              • threat
                • 4.Sg6#
              • 3...Rf5+
                • 4.Sxf5#
      • 1...Sf3
        • 2.Qe5
          • threat
            • 3.Sf5#
          • 2...Sxg1
            • 3.Sf5+
              • 3...Kh3
                • 4.Qxg3#
          • 2...Sd4
            • 3.Qxd4
              • threat
                • 4.Sf5#

FEATURES


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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).