Problem Display
PID: 228247 (3B4/3p3p/3p3P/1Kpp4/5pk1/8/3P3Q/2N5 w - - 0 1)

Petrasinovic, Petrasin

Die Schwalbe, 2020

3B4/3p3p/3p3P/1Kpp4/5pk1/8/3P3Q/2N5

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.d3!
      • threat
        • 2.Qg2+
          • 2...Kf5
            • 3.Qg5+
              • 3...Ke6
                • 4.Qf6#
      • 1...Kf3
        • 2.Qh3+
          • 2...Kf2
            • 3.Bh4+
              • 3...Kg1
                • 4.Se2#
      • 1...Kf5
        • 2.Qh5+
          • 2...Ke6
            • 3.Se2
              • threat
                • 4.Sxf4#
              • 3...f3
                • 4.Sf4#
      • 1...f3
        • 2.Qh4+
          • 2...Kf5
            • 3.Qg5+
              • 3...Ke6
                • 4.Qf6#
      • 1...d4
        • 2.Se2
          • threat
            • 3.Qxf4+
              • 3...Kh3
                • 4.Qg3#
              • 3...Kh5
                • 4.Qg5#
          • 2...Kf3
            • 3.Sg1+
              • 3...Ke3
                • 4.Qe2#
              • 3...Kg4
                • 4.Qh3#
          • 2...Kf5
            • 3.Qh5+
              • 3...Ke6
                • 4.Sxf4#
          • 2...f3
            • 3.Qf4+
              • 3...Kh3
                • 4.Qg3#
              • 3...Kh5
                • 4.Qg5#
            • 3.Qh4+
              • 3...Kf5
                • 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).