Problem Display
PID: 247563 (8/8/8/5Np1/2Q3p1/5k2/6p1/6K1 w - - 0 1)

Sushkov, Yuri Akimovich

Uralski Problemist, 1999

8/8/8/5Np1/2Q3p1/5k2/6p1/6K1

#4

3 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qc3+
          • 2...Kf4
            • 3.Qe1
              • 3...Kf3
                • 4.Qf2#
      • 1...Ke3
        • 2.Qc3+
          • 2...Kf4
            • 3.Qe1
              • 3...Kf3
                • 4.Qf2#
      • 1...Kxg3
        • 2.Qe4
          • 2...Kh3
            • 3.Qxg2+
              • 3...Kh4
                • 4.Qh2#
          • 2...Kh4
            • 3.Kxg2
              • 3...Kh5
                • 4.Qh7#

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).