Problem Display
PID: 156543 (Q7/8/1Pp4r/8/2K3p1/P7/k7/B6R w - - 0 1)

Oganesyan, Alexei Sergeevich

Sp. Prize, Olympic Ty., 2016

Q7/8/1Pp4r/8/2K3p1/P7/k7/B6R

#3

6 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Rf6
      • 2.Bxf6
        • threat
          • 3.Ra1#
    • 1...Rg6
      • 2.Bc3
        • threat
          • 3.Ra1#
      • 2.Bd4
        • threat
          • 3.Ra1#
      • 2.Be5
        • threat
          • 3.Ra1#
      • 2.Qa4
        • threat
          • 3.Qb3#
    • 1...Rh8
      • 2.Bxh8
        • threat
          • 3.Ra1#
      • 2.Qxh8
        • threat
          • 3.Qb2#
        • 2...Kxa3
          • 3.Qa8#
    • 1...c5
      • 2.Qg2+
        • 2...Kxa3
          • 3.Qa8#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Ra1#
      • 1...Rf6
        • 2.Bxf6
          • threat
            • 3.Ra1#
      • 1...Rxh1!
    • 1.Bh8?
      • threat
        • 2.Ra1#
      • 1...Rxh8
        • 2.Qxh8
          • threat
            • 3.Ra1#
            • 3.Qa1#
          • 2...Kxa3
            • 3.Ra1#
            • 3.Qa1#
      • 1...Rf6
        • 2.Bxf6
          • threat
            • 3.Ra1#
      • 1...Rxh1!
    • 1.Rxh6?
      • threat
        • 2.Qh8
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Kxa3
            • 3.Qa8#
      • 1...Kxa1
        • 2.Kb3
          • threat
            • 3.Rh1#
          • 2...Kb1
            • 3.Rh1#
      • 1...Kb1!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qb2#
      • 1...Rxh8
        • 2.Bxh8
          • threat
            • 3.Ra1#
          • 2...Kxa3
            • 3.Ra1#
      • 1...Rh2
        • 2.Rxh2+
          • 2...Kb1
            • 3.Qb2#
          • 2...Kxa3
            • 3.Qa8#
      • 1...Rf6
        • 2.Bxf6
          • threat
            • 3.Ra1#
          • 2...Kxa3
            • 3.Ra1#
            • 3.Qa8#

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).