Problem Display
PID: 271734 (8/1p6/1P1Q1P2/4p3/1P1pk2P/5N2/8/2B3K1 w - - 0 1)

Petrasinovic, Petrasin

Zadachi i Etyudi, 2023

8/1p6/1P1Q1P2/4p3/1P1pk2P/5N2/8/2B3K1

#4

8 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qc7!
      • 1...Kd3
        • 2.Se1+
          • 2...Ke2
            • 3.Qc2+
              • 3...Kxe1
                • 4.Qd2#
          • 2...Ke4
            • 3.Qd7
              • 3...d3
                • 4.Qxd3#
      • 1...Kxf3
        • 2.Qxe5
          • threat
            • 3.Qf4+
              • 3...Ke2
                • 4.Qf1#
          • 2...Kg4
            • 3.Kg2
              • threat
                • 4.Qg5#
              • 3...Kxh4
                • 4.Qg5#
      • 1...Kf5
        • 2.Qd7+
          • 2...Ke4
            • 3.Se1
              • 3...d3
                • 4.Qxd3#
          • 2...Kxf6
            • 3.h5
              • threat
                • 4.Bg5#
          • 2...Kg6
            • 3.h5+
              • 3...Kxh5
                • 4.Qf5#
              • 3...Kxf6
                • 4.Bg5#
      • 1...d3
        • 2.Qxe5+
          • 2...Kxf3
            • 3.Qf4+
              • 3...Ke2
                • 4.Qf1#

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).