Problem Display
PID: 269787 (8/1p3p2/1N3p2/7P/P1ppk3/7Q/3B1P2/K7 w - - 0 1)

Petrasinovic, Petrasin

Problem Forum, 2012

8/1p3p2/1N3p2/7P/P1ppk3/7Q/3B1P2/K7

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bh6!
      • 1...Ke5
        • 2.Qf3
          • threat
            • 3.Qd5#
          • 2...Kd6
            • 3.Qxf6+
              • 3...Kc5
                • 4.Bf8#
              • 3...Kc7
                • 4.Bf4#
          • 2...Ke6
            • 3.Qd5+
              • 3...Ke7
                • 4.Qd7#
          • 2...f5
            • 3.Qd5+
              • 3...Kf6
                • 4.Qd6#
      • 1...d3
        • 2.Qe3+
          • 2...Kf5
            • 3.f3
              • threat
                • 4.Qe4#
      • 1...c3
        • 2.f3+
          • 2...Kd3
            • 3.Qf1+
              • 3...Kc2
                • 4.Qb1#
          • 2...Ke5
            • 3.Qd7
              • threat
                • 4.Sc4#
                • 4.Qd5#
              • 3...f5
                • 4.Qe7#
      • 1...f5
        • 2.Qh1+
          • 2...Kd3
            • 3.Qd1+
              • 3...Kc3
                • 4.Sd5#
              • 3...Ke4
                • 4.Qe2#
          • 2...Ke5
            • 3.Qd5+
              • 3...Kf6
                • 4.Qd6#

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).