Problem Display
PID: 266514 (K5R1/8/8/4P3/4N3/4k2p/7P/1Q6 w - - 0 1)

Petrasinovic, Petrasin

Schweizerische Schachzeitung, 2020

K5R1/8/8/4P3/4N3/4k2p/7P/1Q6

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sf2!
      • 1...Kd2
        • 2.Rg3
          • 2...Ke2
            • 3.Qg1
              • 3...Kd2
                • 4.Qd1#
      • 1...Ke2
        • 2.Rf8
          • threat
            • 3.Qd3+
              • 3...Ke1
                • 4.Qd1#
            • 3.Qd1+
              • 3...Ke3
                • 4.Rf3#
                • 4.Qd3#
          • 2...Kd2
            • 3.Rf3
              • 3...Ke2
                • 4.Qd1#
      • 1...Kxf2
        • 2.Qe4
          • 2...Kf1
            • 3.Qc2
              • 3...Ke1
                • 4.Rg1#
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Rb8
              • 3...Kc6
                • 4.Qd6#
          • 2...Kxe5
            • 3.Rg6
              • 3...Kf4
                • 4.Qe4#

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).