Problem Display
PID: 143714 (3b1K2/r1p3Np/p6k/2P1N3/5P2/5pp1/3pp1PP/3rq3 w - - 0 1)

Froberg, Johan Hilding Laurentius

US Problem Bulletin, 1964

3b1K2/r1p3Np/p6k/2P1N3/5P2/5pp1/3pp1PP/3rq3

#3

7 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Ra8
      • 2.Kf7
        • threat
          • 3.Sg4#
    • 1...Bg5
      • 2.Sg4+
        • 2...Kg6
          • 3.f5#
    • 1...Bf6
      • 2.Sf7+
        • 2...Kg6
          • 3.f5#
    • 1...Be7+
      • 2.Kf7
        • threat
          • 3.Sg4#
    • 1...gxh2
      • 2.Sf5+
        • 2...Kh5
          • 3.g4#
  • Tries
    • 1.h4?
      • threat
        • 2.Sg4+
          • 2...Kg6
            • 3.f5#
            • 3.h5#
      • 1...Be7+
        • 2.Kf7
          • threat
            • 3.Sg4#
      • 1...Qh1
        • 2.Sg4+
          • 2...Kg6
            • 3.f5#
      • 1...Bxh4!
  • Keys
    • 1.c6!
      • threat
        • 2.Kf7
          • threat
            • 3.Sg4#
      • 1...gxh2
        • 2.Sf5+
          • 2...Kh5
            • 3.g4#
      • 1...Bg5
        • 2.Sg4+
          • 2...Kg6
            • 3.f5#
      • 1...Bf6
        • 2.Sf7+
          • 2...Kg6
            • 3.f5#

FEATURES


NOT CLASSIFIED


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).