Problem Display
PID: 162590 (8/4p2Q/1P4B1/P7/1P1k4/P7/6PK/8 w - - 0 1)

Petrasinovic, Petrasin

HM., Sachova skladba, 2012

8/4p2Q/1P4B1/P7/1P1k4/P7/6PK/8

#4

8 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Bb1!
      • threat
        • 2.Qe4+
          • 2...Kc3
            • 3.Qc2+
              • 3...Kd4
                • 4.Qc5#
      • 1...Ke3
        • 2.Qd3+
          • 2...Kf2
            • 3.Qd2+
              • 3...Kf1
                • 4.Bd3#
      • 1...Kd5
        • 2.Qf5+
          • 2...Kc6
            • 3.Be4+
              • 3...Kd6
                • 4.Qd5#
          • 2...Kd6
            • 3.Ba2
              • threat
                • 4.Qe6#
                • 4.Qd5#
              • 3...Kc6
                • 4.Qd5#
              • 3...e6
                • 4.Qxe6#
          • 2...e5
            • 3.Qd7+
              • 3...Kc4
                • 4.Qd3#
      • 1...Ke5
        • 2.Qf5+
          • 2...Kd6
            • 3.Ba2
              • threat
                • 4.Qe6#
                • 4.Qd5#
              • 3...Kc6
                • 4.Qd5#
              • 3...e6
                • 4.Qxe6#

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).