Problem Display
PID: 156534 (4N1rn/5p1B/4pPpB/1RP3R1/1pnprk2/3pp2P/b2b2P1/6K1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

3rd Prize, Olympic Ty., 2016

4N1rn/5p1B/4pPpB/1RP3R1/1pnprk2/3pp2P/b2b2P1/6K1

#3

10 + 14


145 StrateGems 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Re5
      • 2.Rg4+
        • 2...Kf5
          • 3.Rf4#
    • 1...Se5
      • 2.Rxg6+
        • 2...Kf5
          • 3.Sd6#
  • Tries
    • 1.Rg4+?
      • 1...Ke5
        • 2.c6#
      • 1...Kf5!
    • 1.Re5+?
      • 1...g5
        • 2.Rxe4+
          • 2...Kg3
            • 3.Rg4#
      • 1...Kg3!
    • 1.Rxg6+?
      • 1...Ke5
        • 2.c6#
      • 1...Kf5!
    • 1.c6?
      • threat
        • 2.Rg4#
        • 2.Rxg6#
      • 1...Re5
        • 2.Rg4+
          • 2...Kf5
            • 3.Rf4#
      • 1...Se5
        • 2.Rxg6+
          • 2...Kf5
            • 3.Sd6#
      • 1...e5!
  • Keys
    • 1.Kh2!
      • threat
        • 2.Re5+
          • 2...Kxe5
            • 3.c6#
          • 2...g5
            • 3.Rxe4#
      • 1...Rxe8
        • 2.Rd5+
          • 2...g5
            • 3.Bxg5#
      • 1...Re5
        • 2.Rg4+
          • 2...Kf5
            • 3.Rf4#
      • 1...Sb2
        • 2.Sd6
          • threat
            • 3.Rf5#
      • 1...Sa3
        • 2.Sd6
          • threat
            • 3.Rf5#
      • 1...Sa5
        • 2.Sd6
          • threat
            • 3.Rf5#
      • 1...Se5
        • 2.Rxg6+
          • 2...Kf5
            • 3.Sd6#
      • 1...Sb6
        • 2.Sd6
          • threat
            • 3.Rf5#
      • 1...Sd6
        • 2.Sxd6
          • threat
            • 3.Rf5#
      • 1...e5
        • 2.Rh5+
          • 2...g5
            • 3.Rh4#

FEATURES


NOT CLASSIFIED


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).