Problem Display
PID: 269701 (8/3B4/1p5p/1K2kp1p/4p2Q/8/P7/5N2 w - - 0 1)

Petrasinovic, Petrasin

Rochade Europa, 2012

8/3B4/1p5p/1K2kp1p/4p2Q/8/P7/5N2

#4

5 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bc8!
      • 1...Kd4
        • 2.Qf6+
          • 2...Kd3
            • 3.Qb2
              • threat
                • 4.Qd2#
              • 3...e3
                • 4.Bxf5#
      • 1...Kd6
        • 2.Qf6+
          • 2...Kc7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qb7#
              • 3...Kd8
                • 4.Qd7#
      • 1...e3
        • 2.Kc4
          • threat
            • 3.Qd4#
          • 2...b5+
            • 3.Kc5
              • threat
                • 4.Qd4#
              • 3...f4
                • 4.Qe7#
          • 2...Kd6
            • 3.Qd8+
              • 3...Ke5
                • 4.Qd4#
              • 3...Kc6
                • 4.Qd7#
      • 1...f4
        • 2.Qe7+
          • 2...Kd4
            • 3.Qd6+
              • 3...Kc3
                • 4.Qd2#
          • 2...Kd5
            • 3.Qf6
              • threat
                • 4.Bb7#

FEATURES


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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).