Problem Display
PID: 265796 (8/4B3/1p6/3kP2p/7p/P4P2/1K3N2/5Q2 w - - 0 1)

Petrasinovic, Petrasin

Sachmatija, 2022

8/4B3/1p6/3kP2p/7p/P4P2/1K3N2/5Q2

#4

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qd7+
          • 2...Kc4
            • 3.Qd3#
          • 2...Kxe5
            • 3.Sd3#
      • 1...Kd4
        • 2.f4
          • threat
            • 3.Qd3#
          • 2...Kd5
            • 3.Qd7+
              • 3...Kc4
                • 4.Qd3#
      • 1...Kxe5
        • 2.Kc3
          • threat
            • 3.Sd3+
              • 3...Kd5
                • 4.Qd7#
          • 2...Kf4
            • 3.Kd4
              • 3...b5
                • 4.Sd3#
          • 2...Kd5
            • 3.Qd7+
              • 3...Ke5
                • 4.Sd3#
      • 1...Kc6
        • 2.Qc8+
          • 2...Kb5
            • 3.a4+
              • 3...Kxa4
                • 4.Qa6#
              • 3...Ka5
                • 4.Qa8#
          • 2...Kd5
            • 3.Qd7+
              • 3...Kc4
                • 4.Qd3#
              • 3...Kxe5
                • 4.Sd3#

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).