Problem Display
PID: 42118 (8/8/8/8/8/1RNn4/8/4bKBk w - - 0 1)

Lehtisalo, Martti

3rd Prize, Liljestrand-70 JT, 1978-1979

8/8/8/8/8/1RNn4/8/4bKBk

#3

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Se4!
      • threat
        • 2.Rxd3
          • threat
            • 3.Rh3#
          • 2...Bg3
            • 3.Sxg3#
      • 1...Bf2
        • 2.Rb2
          • 2...Bxg1
            • 3.Sg3#
          • 2...Sxb2
            • 3.Sxf2#
          • 2...Be1
            • 3.Rh2#
          • 2...Be3
            • 3.Sg3#
            • 3.Rh2#
          • 2...Bg3
            • 3.Sxg3#
          • 2...Bd4
            • 3.Sg3#
            • 3.Rh2#
          • 2...Bh4
            • 3.Rh2#
          • 2...Bc5
            • 3.Sg3#
            • 3.Rh2#
          • 2...Bb6
            • 3.Sg3#
            • 3.Rh2#
          • 2...Ba7
            • 3.Sg3#
            • 3.Rh2#
          • 2...Sc1
            • 3.Sxf2#
          • 2...Se1
            • 3.Sxf2#
          • 2...Sb4
            • 3.Sxf2#
          • 2...Sf4
            • 3.Sxf2#
          • 2...Sc5
            • 3.Sxf2#
          • 2...Se5
            • 3.Sxf2#
      • 1...Bh4
        • 2.Rxd3
          • threat
            • 3.Rh3#
          • 2...Bg3
            • 3.Sxg3#
      • 1...Sf4
        • 2.Rg3
          • 2...Bxg3
            • 3.Sxg3#
          • 2...Bd2
            • 3.Sf2#
          • 2...Bf2
            • 3.Sxf2#
          • 2...Bc3
            • 3.Sf2#
          • 2...Bb4
            • 3.Sf2#
          • 2...Ba5
            • 3.Sf2#
          • 2...Se2
            • 3.Rh3#
          • 2...Sg2
            • 3.Rh3#
          • 2...Sd3
            • 3.Rh3#
          • 2...Sh3
            • 3.Rxh3#
          • 2...Sd5
            • 3.Rh3#
          • 2...Sh5
            • 3.Rh3#
          • 2...Se6
            • 3.Rh3#
          • 2...Sg6
            • 3.Rh3#

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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).