Problem Display
PID: 271599 (4Nk1B/2N2b1B/2pPp3/3PnRr1/5b2/2P2rp1/KP6/8 w - - 0 1)

Wirtanen, Erkki Aukusti

The Problemist, 1956

4Nk1B/2N2b1B/2pPp3/3PnRr1/5b2/2P2rp1/KP6/8

#3

10 + 9


SOLUTION


  • COOKED
  • Sets
    • 1...Rxf5
      • 2.Bg7#
    • 1...Rh5
      • 2.Bg7#
    • 1...Rg7
      • 2.Bxg7#
    • 1...Sg6
      • 2.Bg7#
  • Keys
    • 1.Bf6!
      • threat
        • 2.Be7#
      • 1...Bxe8
        • 2.Sxe6+
          • 2...Kf7
            • 3.Bxg5#
    • 1.Rxg5!
      • threat
        • 2.Bg7#
      • 1...Bxe8
        • 2.Sxe6+
          • 2...Kf7
            • 3.Bg8#
            • 3.Rf5#
        • 2.Bg7+
          • 2...Kf7
            • 3.dxe6#
        • 2.Rg8+
          • 2...Kf7
            • 3.dxe6#
      • 1...Bh5
        • 2.Bg7+
          • 2...Kf7
            • 3.dxe6#
        • 2.Rg8+
          • 2...Kf7
            • 3.dxe6#
        • 2.dxe6
          • threat
            • 3.Bg7#
            • 3.Rg8#
      • 1...Bg6
        • 2.Bg7+
          • 2...Kf7
            • 3.dxe6#
      • 1...Bg8
        • 2.Bg7+
          • 2...Kf7
            • 3.dxe6#
        • 2.Rxg8+
          • 2...Kf7
            • 3.dxe6#
    • 1.dxe6!
      • threat
        • 2.Rxf7+
          • 2...Sxf7
            • 3.e7#
      • 1...Re3
        • 2.Bxe5
          • threat
            • 3.Rxf7#
          • 2...Rxf5
            • 3.Bg7#
          • 2...Rg7
            • 3.Bxg7#
      • 1...Bc1
        • 2.Kb1
          • threat
            • 3.e7#
          • 2...Sg6
            • 3.Bg7#
      • 1...Bd2
        • 2.b3
          • threat
            • 3.e7#
          • 2...Sg6
            • 3.Bg7#
      • 1...Be3
        • 2.c4
          • threat
            • 3.e7#
          • 2...Sg6
            • 3.Bg7#

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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).