Problem Display
PID: 40443 (3b1Bk1/6P1/8/8/8/5K2/8/7Q w - - 0 1)

Kozhakin, Vladimir Vladimirovich

1st Prize, Leninskaya Smena, 1986

3b1Bk1/6P1/8/8/8/5K2/8/7Q

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qe6+
          • 2...Kh7
            • 3.g8Q#
      • 1...Kh7
        • 2.Qe6
          • threat
            • 3.g8Q#
      • 1...Kf7!
    • 1.Qh6?
      • threat
        • 2.Qe6+
          • 2...Kh7
            • 3.g8Q#
      • 1...Kf7
        • 2.g8Q+
          • 2...Ke8
            • 3.Qc6#
          • 2...Kxg8
            • 3.Qg7#
      • 1...Bf6!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qa2+
          • 2...Kh7
            • 3.g8Q#
      • 1...Kf7
        • 2.g8Q+
          • 2...Ke8
            • 3.Qa4#
          • 2...Kxg8
            • 3.Qg7#
      • 1...Kh7
        • 2.g8Q+
          • 2...Kxg8
            • 3.Qg7#

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).