Problem Display
PID: 211165 (5Q2/8/4p3/2p1k3/Pp2pN2/8/1P1N2P1/2K5 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2018

5Q2/8/4p3/2p1k3/Pp2pN2/8/1P1N2P1/2K5

#4

7 + 5


3713 Snap 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Kc2!
      • threat
        • 2.Sc4+
          • 2...Kd4
            • 3.Qd6+
              • 3...Kxc4
                • 4.b3#
            • 3.Qd8+
              • 3...Kxc4
                • 4.b3#
      • 1...b3+
        • 2.Kc3
          • threat
            • 3.Sc4#
          • 2...e3
            • 3.Sd3+
              • 3...Kd5
                • 4.Qxc5#
      • 1...Kd4
        • 2.Sb3+
          • 2...Ke3
            • 3.Sh3
              • threat
                • 4.Qf2#
              • 3...Ke2
                • 4.Qf2#
          • 2...Ke5
            • 3.Sg6+
              • 3...Kd5
                • 4.Qxc5#
      • 1...c4
        • 2.Sxc4+
          • 2...Kd4
            • 3.Qd6+
              • 3...Kxc4
                • 4.b3#

Anticipated by 266077(2017)

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).