Problem Display
PID: 153565 (7K/8/4B3/Q2p4/5k2/7P/8/5N2 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Sachmatija, 2002

7K/8/4B3/Q2p4/5k2/7P/8/5N2

#3

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qd2
        • threat
          • 3.Bxd5#
        • 2...Ke4
          • 3.Qe3#
        • 2...d4
          • 3.Bd5#
    • 1...Ke4
      • 2.Qxd5+
        • 2...Kf4
          • 3.Qf5#
    • 1...d4
      • 2.Qf5#
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qe3#
      • 1...Kf3
        • 2.Qd2
          • threat
            • 3.Bxd5#
          • 2...Ke4
            • 3.Qe3#
          • 2...d4
            • 3.Bd5#
      • 1...d4
        • 2.Qg3+
          • 2...Ke4
            • 3.Sd2#
      • 1...Kg5!
    • 1.Qd2+?
      • 1...Kf3
        • 2.Bxd5#
      • 1...Ke4
        • 2.Qe3#
      • 1...Ke5!
    • 1.Qc3?
      • threat
        • 2.Qe3#
      • 1...d4
        • 2.Qg3+
          • 2...Ke4
            • 3.Sd2#
      • 1...Kg5!
  • Keys
    • 1.Kg7!
      • 1...Kf3
        • 2.Qd2
          • threat
            • 3.Bxd5#
          • 2...Ke4
            • 3.Qe3#
          • 2...d4
            • 3.Bd5#
      • 1...Ke4
        • 2.Qxd5+
          • 2...Kf4
            • 3.Qf5#
      • 1...Ke5
        • 2.Qxd5+
          • 2...Kf4
            • 3.Qf5#
      • 1...Kg5
        • 2.Qd2+
          • 2...Kh4
            • 3.Qh6#
          • 2...Kh5
            • 3.Qh6#

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).