Problem Display
PID: 81257 (8/8/3K4/8/n3k3/6Q1/8/3N2B1 w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Omskaya Pravda, 1972

8/8/3K4/8/n3k3/6Q1/8/3N2B1

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Sf2+?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kf5!
    • 1.Be3?
      • threat
        • 2.Sf2+
          • 2...Kf5
            • 3.Qg5#
      • 1...Kf5
        • 2.Qg5+
          • 2...Ke4
            • 3.Qd5#
      • 1...Kd3!
    • 1.Qg6+?
      • 1...Kf4
        • 2.Se3
          • threat
            • 3.Qg4#
          • 2...Kf3
            • 3.Qg4#
      • 1...Kf3!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qf1
          • 2...Sb2
            • 3.Sc3#
          • 2...Sc3
            • 3.Sxc3#
          • 2...Sc5
            • 3.Sc3#
          • 2...Sb6
            • 3.Sc3#
      • 1...Kf4
        • 2.Be3+
          • 2...Ke4
            • 3.Sf2#
      • 1...Sb2
        • 2.Sc3+
          • 2...Kf4
            • 3.Be3#
      • 1...Sc3
        • 2.Sxc3+
          • 2...Kf4
            • 3.Be3#
      • 1...Sc5
        • 2.Sc3+
          • 2...Kf4
            • 3.Be3#
      • 1...Sb6
        • 2.Sc3+
          • 2...Kf4
            • 3.Be3#

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).