Problem Display
PID: 268843 (N7/8/8/8/2Bkp3/7N/Q7/4K3 w - - 0 1)

Petrasinovic, Petrasin

1st Prize, Problemist Ukraini 20. TT, 2017

N7/8/8/8/2Bkp3/7N/Q7/4K3

#3

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qf2#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Qb2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke3
            • 3.Qc3#
          • 2...Kc5
            • 3.Qb6#
      • 1...Ke3
        • 2.Qf2+
          • 2...Kd3
            • 3.Qd2#
      • 1...Kc5
        • 2.Qc4+
          • 2...Kd6
            • 3.Qc7#
      • 1...e3
        • 2.Qc4+
          • 2...Ke5
            • 3.Qf4#
      • 1...Ke5!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qb2+
          • 2...Kd3
            • 3.Qd2#
          • 2...Ke3
            • 3.Qc3#
          • 2...Kc5
            • 3.Qb6#
      • 1...Ke3
        • 2.Qf2+
          • 2...Kd3
            • 3.Qd2#
      • 1...Kc5
        • 2.Qc4+
          • 2...Kd6
            • 3.Qc7#
      • 1...Ke5
        • 2.Qd5+
          • 2...Kf6
            • 3.Qg5#
      • 1...e3
        • 2.Qc4+
          • 2...Ke5
            • 3.Qf4#

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).