Problem Display
PID: 269487 (8/p5N1/P7/N2k4/8/Q7/6P1/1K6 w - - 0 1)

Petrasinovic, Petrasin

Comm., Shakhmatnaya kompozitsiya, 2016

8/p5N1/P7/N2k4/8/Q7/6P1/1K6

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qc5+
          • 2...Ke4
            • 3.Qd4#
      • 1...Kc4
        • 2.Kc2
          • threat
            • 3.Qc5#
          • 2...Kb5
            • 3.Qc5+
              • 3...Ka4
                • 4.Qa5#
              • 3...Kxa6
                • 4.Qc6#
          • 2...Kd5
            • 3.Qc5+
              • 3...Ke4
                • 4.Qd4#
      • 1...Ke4
        • 2.Qd6
          • 2...Ke3
            • 3.Qd2+
              • 3...Ke4
                • 4.Qd4#
      • 1...Ke5
        • 2.Qf8
          • 2...Ke4
            • 3.Qf5+
              • 3...Ke3
                • 4.Qf3#
          • 2...Kd5
            • 3.Qc5+
              • 3...Ke4
                • 4.Qd4#
      • 1...Kc6
        • 2.Qe7
          • 2...Kb5
            • 3.Qe4
              • 3...Kxa6
                • 4.Qc6#
              • 3...Kb6
                • 4.Qb7#

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).