Problem Display
PID: 71516 (Q7/1K6/8/P4p2/3N1k2/5N2/8/8 w - - 0 1)

Vatarescu, Paul

The Problemist Supplement, 2007

Q7/1K6/8/P4p2/3N1k2/5N2/8/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qe2
          • threat
            • 3.Qe1
              • 3...Kg4
                • 4.Qh4#
          • 2...Kg3
            • 3.Qh2+
              • 3...Kg4
                • 4.Qh4#
          • 2...Kg4
            • 3.Qh2
              • 3...f4
                • 4.Qh4#
      • 1...Ke3
        • 2.Qe2+
          • 2...Kf4
            • 3.Qe1
              • 3...Kg4
                • 4.Qh4#
      • 1...Kg3
        • 2.Qe2
          • threat
            • 3.Qh2+
              • 3...Kg4
                • 4.Qh4#
          • 2...Kh3
            • 3.Qh2+
              • 3...Kg4
                • 4.Qh4#
          • 2...Kf4
            • 3.Qe1
              • 3...Kg4
                • 4.Qh4#
          • 2...Kg4
            • 3.Qh2
              • 3...f4
                • 4.Qh4#
        • 2.Qh6
          • threat
            • 3.Qh2+
              • 3...Kg4
                • 4.Qh4#
          • 2...Kf2
            • 3.Qg5
              • threat
                • 4.Qg1#
              • 3...Kf1
                • 4.Qg1#
          • 2...Kg2
            • 3.Qh2+
              • 3...Kf1
                • 4.Qg1#
                • 4.Qe2#
      • 1...Ke4
        • 2.Qe2+
          • 2...Kf4
            • 3.Qe1
              • 3...Kg4
                • 4.Qh4#
          • 2...Kd5
            • 3.Kb6
              • threat
                • 4.Qe6#
              • 3...Kd6
                • 4.Qe6#
      • 1...Kg4
        • 2.Qh6
          • threat
            • 3.Qh4#
          • 2...Kg3
            • 3.Qh2+
              • 3...Kg4
                • 4.Qh4#

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).