Problem Display
PID: 270536 (8/5R2/1p2p3/pP1pk3/4p3/8/8/2KQ4 w - - 0 1)

Petrasinovic, Petrasin

Zadachi i Etyudi, 2020

8/5R2/1p2p3/pP1pk3/4p3/8/8/2KQ4

#4

4 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc3+
          • 2...d4
            • 3.Qc7+
              • 3...Kd5
                • 4.Rd7#
      • 1...Kd4
        • 2.Kb2
          • threat
            • 3.Qc3#
          • 2...Ke3
            • 3.Rf2
              • threat
                • 4.Qd2#
              • 3...Kd4
                • 4.Qc3#
          • 2...Ke5
            • 3.Qc7+
              • 3...Kd4
                • 4.Qc3#
          • 2...e3
            • 3.Rf4+
              • 3...Ke5
                • 4.Qc7#
      • 1...e3
        • 2.Qc7+
          • 2...Kd4
            • 3.Rf4+
              • 3...Kd3
                • 4.Qc2#
          • 2...Ke4
            • 3.Rf4+
              • 3...Kd3
                • 4.Qc2#

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).