Problem Display
PID: 153335 (1K4R1/3kpp2/3p1P2/1p1P4/2p3R1/5Q2/1pr5/4r3 w - - 0 1)

Feoktistov, Aleksandr Fedorovich

1st Prize, Moscow Ty., 2010

1K4R1/3kpp2/3p1P2/1p1P4/2p3R1/5Q2/1pr5/4r3

#3

6 + 9


145 StrateGems 2012

SOLUTION


  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Rec1
      • 2.Qe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Rf1
      • 2.Qe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Rg1
      • 2.Qe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Rh1
      • 2.Qe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Ree2
      • 2.Qa3
        • threat
          • 3.Qa7#
    • 1...Re3
      • 2.Qxe3
        • threat
          • 3.Qa7#
          • 3.Qxe7#
    • 1...Re4
      • 2.Qa3
        • threat
          • 3.Qa7#
    • 1...Re6
      • 2.Qa3
        • threat
          • 3.Qa7#
    • 1...e5
      • 2.Qf5#
  • Tries
    • 1.Qe3?
      • threat
        • 2.Qa7#
      • 1...Ra1
        • 2.Qxe7#
      • 1...Rxe3!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Rd8+
          • 2...Kxd8
            • 3.Rg8#
      • 1...exf6
        • 2.Re4+
          • 2...f5
            • 3.Qxf5#
      • 1...Rg1
        • 2.Qe3
          • threat
            • 3.Qa7#
            • 3.Qxe7#
      • 1...Re6
        • 2.Qa3
          • threat
            • 3.Qa7#
      • 1...Rg2
        • 2.Rxc4+
          • 2...Re6
            • 3.Rc7#
          • 2...Rg4
            • 3.Rc7#
          • 2...e6
            • 3.Rc7#
      • 1...e6
        • 2.R4g7
          • threat
            • 3.Rxf7#

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).