Problem Display
PID: 171485 (7K/8/Q7/5Ppk/8/1n1R4/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Za Ogneypori, 1986

7K/8/Q7/5Ppk/8/1n1R4/8/8

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...g4
      • 2.Qg6+
        • 2...Kh4
          • 3.Qh6#
  • Tries
    • 1.Rxb3?
      • 1...Kg4
        • 2.Qf1
          • 2...Kh4
            • 3.Qh3#
          • 2...Kh5
            • 3.Qh3#
      • 1...g4
        • 2.Qg6+
          • 2...Kh4
            • 3.Qh6#
      • 1...Kh4!
    • 1.Rg3?
      • threat
        • 2.Qg6+
          • 2...Kh4
            • 3.Qxg5#
        • 2.Qh6+
          • 2...Kxh6
            • 3.Rh3#
      • 1...g4
        • 2.Qg6+
          • 2...Kh4
            • 3.Qxg4#
      • 1...Kh4!
    • 1.Rd4?
      • threat
        • 2.Qg6#
      • 1...g4
        • 2.Qg6+
          • 2...Kh4
            • 3.Qxg4#
      • 1...Sxd4!
    • 1.Qh6+?
      • 1...Kxh6
        • 2.Rh3#
      • 1...Kg4!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Qh6+
          • 2...Kg4
            • 3.Qh3#
          • 2...Kxh6
            • 3.Rh3#
      • 1...Kg4
        • 2.Qf1
          • threat
            • 3.Qh3#
          • 2...Kh4
            • 3.Qh3#
          • 2...Kh5
            • 3.Qh3#
      • 1...Kh4
        • 2.Qh6+
          • 2...Kg4
            • 3.Qh3#
      • 1...g4
        • 2.Qg6+
          • 2...Kh4
            • 3.Qh6#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).