Problem Display
PID: 269591 (8/8/2R5/3p2p1/3pk1p1/4n1Q1/4N3/6K1 w - - 0 1)

Petrasinovic, Petrasin

Uralski Problemist, 2003

8/8/2R5/3p2p1/3pk1p1/4n1Q1/4N3/6K1

#4

4 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Kh1!
      • 1...Kd3
        • 2.Sc1+
          • 2...Kd2
            • 3.Qf2+
              • 3...Kd1
                • 4.Qe2#
          • 2...Ke4
            • 3.Re6+
              • 3...Kf5
                • 4.Qe5#
      • 1...Kf5
        • 2.Qf2+
          • 2...Ke4
            • 3.Sg3+
              • 3...Kd3
                • 4.Qe2#
              • 3...Ke5
                • 4.Qf6#
          • 2...Ke5
            • 3.Sg3
              • threat
                • 4.Qf6#
              • 3...Sf5
                • 4.Qxf5#

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).