Problem Display
PID: 74866 (8/K7/8/1Bpk1N2/8/6P1/8/Q7 w - - 0 1)

Kozhakina, Alena Vladimirova

Problem Observer, 2007

8/K7/8/1Bpk1N2/8/6P1/8/Q7

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Ke4
        • 2.Qc3
          • 2...c4
            • 3.Bc6#
      • 1...Kd6
        • 2.Qf6+
          • 2...Kc7
            • 3.Qb6#
      • 1...Ke6!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Bd7+
          • 2...Kf7
            • 3.Qg7#
      • 1...cxd4!
    • 1.Qa6?
      • threat
        • 2.Bd3
          • threat
            • 3.Qd6#
          • 2...Ke5
            • 3.Qd6#
      • 1...Ke4
        • 2.Qe6+
          • 2...Kf3
            • 3.Qe2#
      • 1...Ke5
        • 2.Bd3
          • threat
            • 3.Qd6#
          • 2...Kd5
            • 3.Qd6#
      • 1...c4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Se3+
          • 2...Ke4
            • 3.Qf4#
        • 2.Se7+
          • 2...Ke4
            • 3.Qf4#
        • 2.Bd3
          • 2...c4
            • 3.Qd6#
      • 1...Ke4
        • 2.Qe6+
          • 2...Kf3
            • 3.Qe2#
      • 1...c4
        • 2.Bc6+
          • 2...Kc5
            • 3.Qd6#

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).