Problem Display
PID: 274574 (K5Q1/3pp3/Np1k4/P5P1/6PP/1P2pPp1/1p4P1/5n2 w - - 0 1)

Sukhitashvili, Sergey Nikolaevich

Mat, 1973

K5Q1/3pp3/Np1k4/P5P1/6PP/1P2pPp1/1p4P1/5n2

#4

10 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qd5+
          • 2...Kc7
            • 3.Sa6+
              • 3...Kc8
                • 4.Qg8#
              • 3...Kd8
                • 4.Qg8#
      • 1...Kc5
        • 2.Qd5+
          • 2...Kxb4
            • 3.Qc4+
              • 3...Ka3
                • 4.Qa4#
              • 3...Kxa5
                • 4.Qa4#
      • 1...bxa5
        • 2.Qd5+
          • 2...Kc7
            • 3.Sa6+
              • 3...Kb6
                • 4.Qb7#
              • 3...Kc8
                • 4.Qg8#
              • 3...Kd8
                • 4.Qg8#
      • 1...e6
        • 2.Qf8+
          • 2...Ke5
            • 3.Qf4+
              • 3...Kxf4
                • 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).