Problem Display
PID: 30333 (2K5/1pNp4/6P1/2B2p2/2kPp2N/1r6/P2PPp2/5rb1 w - - 0 1)

Malafienko, Nikolai

The Problemist, 1973

2K5/1pNp4/6P1/2B2p2/2kPp2N/1r6/P2PPp2/5rb1

#3

9 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sxf5
        • threat
          • 3.Se3#
          • 3.Sd6#
    • 1...Rg3
      • 2.Sxf5
        • threat
          • 3.Sd6#
        • 2...Rxg6
          • 3.Se3#
        • 2...d6
          • 3.Sxd6#
    • 1...Rb4
      • 2.Sxf5
        • threat
          • 3.Se3#
          • 3.Sd6#
    • 1...Rb6
      • 2.Sxf5
        • threat
          • 3.Se3#
        • 2...Rb3
          • 3.Sd6#
        • 2...e3
          • 3.Sxe3#
  • Tries
    • 1.Sxf5?
      • threat
        • 2.Sd6#
      • 1...Rb6
        • 2.Se3#
      • 1...d6
        • 2.Sxd6#
      • 1...Bh2!
  • Keys
    • 1.g7!
      • threat
        • 2.g8Q+
          • 2...d5
            • 3.Qxd5#
        • 2.g8B+
          • 2...d5
            • 3.Bxd5#
      • 1...Rg3
        • 2.Sxf5
          • threat
            • 3.Sd6#
          • 2...Rg6
            • 3.Se3#
          • 2...d6
            • 3.Sxd6#
      • 1...Rb6
        • 2.Sxf5
          • threat
            • 3.Se3#
          • 2...Rb3
            • 3.Sd6#
          • 2...e3
            • 3.Sxe3#
      • 1...d5
        • 2.g8Q
          • threat
            • 3.Qxd5#
        • 2.g8B
          • threat
            • 3.Bxd5#
      • 1...d6
        • 2.g8Q+
          • 2...d5
            • 3.Qxd5#
        • 2.g8B+
          • 2...d5
            • 3.Bxd5#

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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).