Problem Display
PID: 26505 (B3n3/4Q1pp/p2p3n/1p1p4/1p1pbB2/PP1k4/4NP2/2K3N1 w - - 0 1)

Galbraith, CA

The Problemist, 1965

B3n3/4Q1pp/p2p3n/1p1p4/1p1pbB2/PP1k4/4NP2/2K3N1

#3

9 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Bf3
      • 2.Sxf3
        • threat
          • 3.Se1#
    • 1...Bf5
      • 2.Qa7
        • threat
          • 3.Qxd4#
        • 2...Ke4
          • 3.Qxd4#
    • 1...Bg6
      • 2.Bd2
        • threat
          • 3.Sf4#
    • 1...Sg4
      • 2.Qa7
        • threat
          • 3.Qxd4#
    • 1...Sf7
      • 2.Qa7
        • threat
          • 3.Qxd4#
    • 1...Sg8
      • 2.Qa7
        • threat
          • 3.Qxd4#
    • 1...Sf6
      • 2.Qc7
        • threat
          • 3.Qc2#
    • 1...Sc7
      • 2.Qxc7
        • threat
          • 3.Qc2#
  • Keys
    • 1.f3!
      • threat
        • 2.Qxe4+
          • 2...dxe4
            • 3.Bxe4#
      • 1...Bxf3
        • 2.Sxf3
          • threat
            • 3.Se1#
      • 1...Bf5
        • 2.Qa7
          • threat
            • 3.Qxd4#
      • 1...Bg6
        • 2.Bd2
          • threat
            • 3.Sf4#
      • 1...Sf6
        • 2.Qc7
          • threat
            • 3.Qc2#

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).