Problem Display
PID: 268806 (2n5/1N5Q/8/5B2/3k4/8/P7/5K2 w - - 0 1)

Petrasinovic, Petrasin

Pat a Mat, 2020

2n5/1N5Q/8/5B2/3k4/8/P7/5K2

#3

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qh4
        • threat
          • 3.Qf2#
        • 2...Kd2
          • 3.Qe1#
        • 2...Kf3
          • 3.Qf2#
    • 1...Kd5
      • 2.Qc7
        • threat
          • 3.Qc5#
        • 2...Kd4
          • 3.Qc5#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Qc5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qh8+?
      • 1...Ke3
        • 2.Qh4
          • threat
            • 3.Qf2#
          • 2...Kd2
            • 3.Qe1#
          • 2...Kf3
            • 3.Qf2#
      • 1...Kd5
        • 2.Qc3
          • threat
            • 3.Qc5#
      • 1...Kc4!
  • Keys
    • 1.Bb1!
      • 1...Kc3
        • 2.Qc2+
          • 2...Kb4
            • 3.Qb3#
          • 2...Kd4
            • 3.Qc5#
      • 1...Ke3
        • 2.Qe4+
          • 2...Kd2
            • 3.Qe1#
      • 1...Kc4
        • 2.Qd3+
          • 2...Kb4
            • 3.Qb3#
      • 1...Ke5
        • 2.Qf5+
          • 2...Kd4
            • 3.Qc5#
      • 1...Sb6
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6#
      • 1...Sd6
        • 2.Qd3+
          • 2...Ke5
            • 3.Qxd6#
      • 1...Sa7
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6#
      • 1...Se7
        • 2.Qd3+
          • 2...Ke5
            • 3.Qd6#

FEATURES


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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).