Problem Display
PID: 269784 (n1N1Q3/8/1p1p4/Pp1kp3/6N1/p7/K4B2/8 w - - 0 1)

Petrasinovic, Petrasin

Problemist Ukraini, 2010

n1N1Q3/8/1p1p4/Pp1kp3/6N1/p7/K4B2/8

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Sh2!
      • threat
        • 2.Qf7+
          • 2...Ke4
            • 3.Qf3#
          • 2...Kc6
            • 3.Sa7#
      • 1...Kc4
        • 2.Qc6+
          • 2...Kd3
            • 3.Kb3
              • threat
                • 4.Qc2#
              • 3...Kd2
                • 4.Qc2#
              • 3...Ke2
                • 4.Qc2#
          • 2...Kb4
            • 3.Be1+
              • 3...Ka4
                • 4.Qc2#
      • 1...Ke4
        • 2.Qg6+
          • 2...Kd5
            • 3.Qf7+
              • 3...Ke4
                • 4.Qf3#
              • 3...Kc6
                • 4.Sa7#
      • 1...Sc7
        • 2.Sxb6+
          • 2...Ke4
            • 3.Qg6+
              • 3...Kf4
                • 4.Qg4#

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).