Problem Display
PID: 249665 (8/1rp5/1br2P2/2pPP3/b1pkPQ2/K5p1/3BB3/8 w - - 0 1)

Makaronets, Leonid

OzProblems, 2021

8/1rp5/1br2P2/2pPP3/b1pkPQ2/K5p1/3BB3/8

#3

8 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qe3+
        • 2...Kxe5
          • 3.Bc3#
    • 1...Ra7
      • 2.Kb2
        • threat
          • 3.Bc3#
          • 3.Be3#
        • 2...c3+
          • 3.Bxc3#
    • 1...Bb3
      • 2.Kb2
        • threat
          • 3.Bc3#
          • 3.Be3#
        • 2...c3+
          • 3.Bxc3#
    • 1...Bb5
      • 2.Kb2
        • threat
          • 3.Bc3#
          • 3.Be3#
        • 2...c3+
          • 3.Bxc3#
    • 1...c3
      • 2.Be3#
  • Keys
    • 1.e6!
      • threat
        • 2.e5+
          • 2...Kxd5
            • 3.Bxc4#
      • 1...Rxe6
        • 2.e5+
          • 2...Kxd5
            • 3.Bf3#
      • 1...Rd6
        • 2.Qe3+
          • 2...Ke5
            • 3.Bc3#
      • 1...Bc2
        • 2.Be3+
          • 2...Kc3
            • 3.Qe5#
      • 1...Bb3
        • 2.Kb2
          • threat
            • 3.Bc3#
            • 3.Be3#
          • 2...c3+
            • 3.Bxc3#
      • 1...Bb5
        • 2.Kb2
          • threat
            • 3.Bc3#
            • 3.Be3#
          • 2...c3+
            • 3.Bxc3#

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).