Problem Display
PID: 157197 (1KBRR3/8/1N3P1B/1p2p3/2ppk3/3n4/2N1P3/6b1 w - - 0 1)

Makaronets, Leonid

The Problemist, 2015

1KBRR3/8/1N3P1B/1p2p3/2ppk3/3n4/2N1P3/6b1

#3

9 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Bh2
      • 2.Rxd4#
    • 1...Be3
      • 2.Bxe3
        • threat
          • 3.Rxd4#
        • 2...dxe3
          • 3.Rd4#
    • 1...Sf2
      • 2.Rxd4#
  • Tries
    • 1.Sxc4?
      • threat
        • 2.Sd2#
      • 1...Be3
        • 2.Sd2+
          • 2...Bxd2
            • 3.Rxd4#
        • 2.S4xe3
          • threat
            • 3.Bf5#
            • 3.Bb7#
            • 3.Rxd4#
          • 2...dxe3
            • 3.Rd4#
        • 2.Bxe3
          • threat
            • 3.Sd2#
            • 3.Rxd4#
          • 2...dxe3
            • 3.Rd4#
      • 1...bxc4!
    • 1.Be3?
      • threat
        • 2.Rxd4#
      • 1...dxe3
        • 2.Rd4#
      • 1...Bxe3!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Rxe5+
          • 2...Sxe5
            • 3.Sc5#
      • 1...Kd5
        • 2.Bb7+
          • 2...Kd6
            • 3.Bf8#
      • 1...Kf5
        • 2.Sxe5+
          • 2...Ke4
            • 3.Sxd3#
          • 2...Kxf6
            • 3.Rd6#
      • 1...Bh2
        • 2.Sc5+
          • 2...Sxc5
            • 3.Rxd4#

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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).