Problem Display
PID: 98579 (7K/8/P2NNk2/3p4/3P4/Q7/8/8 w - - 0 1)

Pypa, Volodimir Iosifovich

Problem (Zagreb), 1967

7K/8/P2NNk2/3p4/3P4/Q7/8/8

#3

6 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sf4?
      • 1...Kg5
        • 2.Qg3+
          • 2...Kf6
            • 3.Qh4#
            • 3.Qg7#
          • 2...Kh6
            • 3.Sf5#
            • 3.Sf7#
            • 3.Qh4#
            • 3.Qg6#
            • 3.Qg7#
      • 1...Ke7!
    • 1.Qe3?
      • 1...Kg6
        • 2.Qg5#
      • 1...Ke7!
    • 1.Qh3?
      • 1...Kg6
        • 2.Qf5+
          • 2...Kh6
            • 3.Sf7#
            • 3.Qh7#
            • 3.Qg5#
        • 2.Qh7+
          • 2...Kf6
            • 3.Qf7#
      • 1...Ke7!
    • 1.Qa5?
      • 1...Kg6
        • 2.Qd8
          • threat
            • 3.Qg5#
          • 2...Kh5
            • 3.Qg5#
          • 2...Kh6
            • 3.Qg5#
      • 1...Ke7
        • 2.Sf8
          • 2...Kxd6
            • 3.Qc5#
          • 2...Kf6
            • 3.Qd8#
          • 2...Kxf8
            • 3.Qd8#
      • 1...Kxe6!
  • Keys
    • 1.Sf8!
      • 1...Kg5
        • 2.Qh3
          • 2...Kf4
            • 3.Se6#
          • 2...Kf6
            • 3.Qh4#
      • 1...Ke7
        • 2.Qa5
          • 2...Kxd6
            • 3.Qc5#
          • 2...Kf6
            • 3.Qd8#
          • 2...Kxf8
            • 3.Qd8#

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).