Problem Display
PID: 195800 (N3B3/8/4p2p/4kp1P/8/2N4P/8/6QK w - - 0 1)

Petrasinovic, Petrasin

Sachmatija, 2019

N3B3/8/4p2p/4kp1P/8/2N4P/8/6QK

#4

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Kh2!
      • threat
        • 2.Qg7+
          • 2...Kf4
            • 3.Qg3#
          • 2...Kd6
            • 3.Qc7#
      • 1...Kd6
        • 2.Qa7
          • threat
            • 3.Qc7#
          • 2...Ke5
            • 3.Qg7+
              • 3...Kf4
                • 4.Qg3#
              • 3...Kd6
                • 4.Qc7#
          • 2...e5
            • 3.Bf7
              • threat
                • 4.Qc7#
              • 3...Kc6
                • 4.Qc7#
      • 1...Kf6
        • 2.Qg6+
          • 2...Ke5
            • 3.Qg7+
              • 3...Kf4
                • 4.Qg3#
              • 3...Kd6
                • 4.Qc7#
          • 2...Ke7
            • 3.Qf7+
              • 3...Kd6
                • 4.Qc7#
              • 3...Kd8
                • 4.Qd7#
      • 1...f4
        • 2.Qg7+
          • 2...Kf5
            • 3.Bg6+
              • 3...Kg5
                • 4.Qe7#

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).