Problem Display
PID: 30419 (4N3/1R4p1/4k3/6R1/1Pppppp1/8/K1P3p1/1B2BrN1 w - - 0 1)

Hartong, Jan

Niemeijer, Meindert

1st HM., Probleemblad, 1975

4N3/1R4p1/4k3/6R1/1Pppppp1/8/K1P3p1/1B2BrN1

#3

9 + 9


56 The Problemist 2013

SOLUTION


  • SOUND
  • Sets
    • 1...c3
      • 2.Ka3
        • threat
          • 3.Ba2#
    • 1...d3
      • 2.Bc3
        • threat
          • 3.Re5#
    • 1...e3
      • 2.Se2
        • threat
          • 3.Sxd4#
        • 2...d3
          • 3.Sd4#
    • 1...f3
      • 2.Bg3
        • threat
          • 3.Re5#
  • Tries
    • 1.Se2?
      • threat
        • 2.Sxd4#
      • 1...g1B
        • 2.Bf2
          • threat
            • 3.Sxd4#
            • 3.Sxf4#
      • 1...g1Q!
    • 1.Sxg7+?
      • 1...Kd6
        • 2.Rg6+
          • 2...Kd5
            • 3.Rb5#
          • 2...Ke5
            • 3.Rb5#
      • 1...Kf6!
    • 1.Rg6+?
      • 1...Kd5
        • 2.Rb5#
      • 1...Ke5
        • 2.Rb5#
      • 1...Kf5!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Ra6+
          • 2...Kd5
            • 3.Rb5#
          • 2...Ke5
            • 3.Rb5#
          • 2...Kf5
            • 3.Rb5#
      • 1...c3
        • 2.Ka3
          • threat
            • 3.Ba2#
      • 1...d3
        • 2.Bc3
          • threat
            • 3.Re5#
      • 1...e3
        • 2.Se2
          • threat
            • 3.Sxd4#
          • 2...d3
            • 3.Sd4#
      • 1...f3
        • 2.Bg3
          • threat
            • 3.Re5#
      • 1...g3
        • 2.Sh3
          • threat
            • 3.Sg5#
          • 2...g5
            • 3.Sxg5#

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).