Problem Display
PID: 8393 (bn2r1n1/r1p1b3/p2pR3/5p2/7p/7N/1N1PPR2/K1B1k3 w - - 0 1)

Froberg, Johan Hilding Laurentius

2nd Place, Problemisten, 1975

bn2r1n1/r1p1b3/p2pR3/5p2/7p/7N/1N1PPR2/K1B1k3

#3

8 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Rb7
      • 2.Rg2
        • threat
          • 3.Rg1#
        • 2...Kf1
          • 3.Rg1#
    • 1...Bg2
      • 2.Rxg2
        • threat
          • 3.Rg1#
        • 2...Kf1
          • 3.Rg1#
    • 1...Bf3
      • 2.exf3#
    • 1...c6
      • 2.Rg2
        • threat
          • 3.Rg1#
        • 2...Kf1
          • 3.Rg1#
  • Tries
    • 1.Rg6?
      • threat
        • 2.Rg1#
      • 1...Bg2
        • 2.Rgxg2
          • threat
            • 3.Rg1#
      • 1...Bg5!
  • Keys
    • 1.d4!
      • threat
        • 2.e3
          • threat
            • 3.Bd2#
      • 1...Rb7
        • 2.Rg2
          • threat
            • 3.Rg1#
          • 2...Kf1
            • 3.Rg1#
      • 1...Bg2
        • 2.Rxg2
          • threat
            • 3.Rg1#
          • 2...Kf1
            • 3.Rg1#
      • 1...Sf6
        • 2.e4
          • threat
            • 3.Bd2#
      • 1...d5
        • 2.Rg2
          • threat
            • 3.Rg1#
          • 2...Kf1
            • 3.Rg1#

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).