Problem Display
PID: 39322 (B3RN2/4P1p1/3NP1p1/1rPpk1B1/1n4PP/2P4P/4K2p/8 w - - 0 1)

Ingre, Bengt

HM., Buletin Problemistic, 1987

B3RN2/4P1p1/3NP1p1/1rPpk1B1/1n4PP/2P4P/4K2p/8

#3

13 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Sa2
      • 2.Ke3
        • threat
          • 3.Sf7#
        • 2...d4+
          • 3.cxd4#
    • 1...Sd3
      • 2.Kxd3
        • threat
          • 3.Sf7#
      • 2.Ke3
        • threat
          • 3.Sf7#
        • 2...d4+
          • 3.cxd4#
    • 1...Sa6
      • 2.Ke3
        • threat
          • 3.Sf7#
        • 2...d4+
          • 3.cxd4#
    • 1...h1S
      • 2.Kf3
        • threat
          • 3.Sf7#
    • 1...d4
      • 2.Sc4#
      • 2.Sf7#
  • Tries
    • 1.Ke3?
      • threat
        • 2.Sf7#
      • 1...d4+
        • 2.cxd4#
      • 1...Sc2+!
    • 1.Sc4+?
      • 1...Ke4
        • 2.Sxg6
          • threat
            • 3.Sd2#
            • 3.Sd6#
        • 2.Sd7
          • threat
            • 3.Sd2#
            • 3.Sd6#
      • 1...dxc4!
    • 1.Bf4+?
      • 1...Kf6
        • 2.g5#
      • 1...Kxf4!
  • Keys
    • 1.Kf2!
      • threat
        • 2.Bf4+
          • 2...Kxf4
            • 3.Sxg6#
          • 2...Kf6
            • 3.g5#
      • 1...Sd3+
        • 2.Ke3
          • threat
            • 3.Sf7#
          • 2...d4+
            • 3.cxd4#
      • 1...h1S+
        • 2.Kf3
          • threat
            • 3.Sf7#

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).