Problem Display
PID: 69865 (6Q1/8/8/4N3/2Nk4/8/1p6/bK6 w - - 0 1)

Vatarescu, Paul

The Problemist Supplement, 2006

6Q1/8/8/4N3/2Nk4/8/1p6/bK6

#3

4 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kc3
        • 2.Qc5
          • 2...Kb3
            • 3.Qa3#
        • 2.Qd6
          • 2...Kb3
            • 3.Qa3#
      • 1...Kxd5!
    • 1.Qe6?
      • 1...Kc3
        • 2.Qd6
          • 2...Kb3
            • 3.Qa3#
      • 1...Ke4
        • 2.Qd7
          • 2...Kf4
            • 3.Qg4#
      • 1...Kc5!
    • 1.Qg2?
      • 1...Kc5
        • 2.Qd2
          • 2...Kb5
            • 3.Qa5#
      • 1...Kc3!
    • 1.Qc8?
      • 1...Kc3
        • 2.Qc5
          • 2...Kb3
            • 3.Qa3#
      • 1...Ke4
        • 2.Qd7
          • 2...Kf4
            • 3.Qg4#
      • 1...Kd5!
  • Keys
    • 1.Qd8+!
      • 1...Kc3
        • 2.Qd6
          • 2...Kb3
            • 3.Qa3#
      • 1...Ke4
        • 2.Qd7
          • 2...Kf4
            • 3.Qg4#
      • 1...Kc5
        • 2.Qd2
          • 2...Kb5
            • 3.Qa5#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).