Problem Display
PID: 269899 (n7/B3pBpR/1b6/1pp1k1pp/4N2p/p3N3/6Q1/K7 w - - 0 1)

Petrasinovic, Petrasin

Rochade Europa, 2014

n7/B3pBpR/1b6/1pp1k1pp/4N2p/p3N3/6Q1/K7

#4

7 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qxg5+
          • 2...Kd4
            • 3.Sc2+
              • 3...Kd3
                • 4.Qd2#
      • 1...Kd4
        • 2.Qd2+
          • 2...Ke5
            • 3.Sc2
              • threat
                • 4.Qxg5#
              • 3...Kf5
                • 4.Qxg5#
              • 3...g4
                • 4.Qg5#
      • 1...Kf4
        • 2.Qh2+
          • 2...Kxe3
            • 3.Qf2+
              • 3...Kd3
                • 4.Qd2#
      • 1...Ba5
        • 2.Qh2+
          • 2...Kd4
            • 3.Bxc5+
              • 3...Kd3
                • 4.Qc2#
      • 1...b4
        • 2.Qxg5+
          • 2...Kd4
            • 3.Sc2+
              • 3...Kd3
                • 4.Qd2#
            • 3.Sc4
              • threat
                • 4.Qd2#
              • 3...Kd3
                • 4.Qd2#
      • 1...g4
        • 2.Rxh5+
          • 2...g5
            • 3.Rxg5+
              • 3...Kd4
                • 4.Qd2#
              • 3...Kf4
                • 4.Qf2#

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).