Problem Display
PID: 46349 (8/3p1Q1p/2P1pPP1/3n1k2/4R2P/rNbBp3/4P1rp/5NnK w - - 0 1)

Marandiuk, Mikhail Nazarovich

1st Prize, Zadachi i Etyudi, 1999

8/3p1Q1p/2P1pPP1/3n1k2/4R2P/rNbBp3/4P1rp/5NnK

#4

11 + 11


23 Die Schwalbe 2002
145 StrateGems 2003
6166 FIDE Album (1998-2000) 2007

SOLUTION


  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Sxe3+
          • 2...Sxe3
            • 3.Rd4+
              • 3...Ke5
                • 4.f7#
      • 1...Rxg6
        • 2.Sg3+
          • 2...Rxg3
            • 3.Rxe3+
              • 3...Kf4
                • 4.Qxg3#
      • 1...Bxf6
        • 2.Sd4+
          • 2...Bxd4
            • 3.Rf4+
              • 3...Kxf4
                • 4.Qxd4#
      • 1...e5
        • 2.Qxd7+
          • 2...Kxg6
            • 3.Rxe5+
              • 3...Kxf6
                • 4.Re6#
              • 3...Kh6
                • 4.Qxh7#
      • 1...Rg4
        • 2.Rxg4+
          • 2...Kxg4
            • 3.gxh7+
              • 3...Kh3
                • 4.Qg3#
              • 3...Kf4
                • 4.Qg3#
                • 4.Qg5#
              • 3...Kxh4
                • 4.h8Q#
                • 4.h8R#
              • 3...Kh5
                • 4.Qg5#
                • 4.h8Q#
                • 4.h8R#
          • 2...Ke5
            • 3.Re4+
              • 3...Kf5
                • 4.Sg3#
              • 3...Kd6
                • 4.Qxd7#

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).