Problem Display
PID: 228703 (3n1KQ1/bR1Pp3/N2k1p2/pPr1NB2/1n1p2PB/1P6/2P1P3/3R4 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

3rd HM., StrateGems, 2020

3n1KQ1/bR1Pp3/N2k1p2/pPr1NB2/1n1p2PB/1P6/2P1P3/3R4

#3

14 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Bg3#
    • 1...Rc4
      • 2.Sxc4#
    • 1...Rxb5
      • 2.Sc4+
        • 2...Kc6
          • 3.Rc7#
    • 1...Rd5
      • 2.Sc4#
    • 1...Rc8
      • 2.dxc8S+
        • 2...Kxe5
          • 3.Bg3#
    • 1...Sc6
      • 2.Qe6#
    • 1...Se6+
      • 2.Qxe6#
    • 1...Sxb7
      • 2.Qe6#
    • 1...Sf7
      • 2.Sxf7+
        • 2...Kd5
          • 3.e4#
          • 3.d8Q#
          • 3.d8R#
    • 1...fxe5
      • 2.Bxe7#
  • Tries
    • 1.Sf7+?
      • 1...Kd5
        • 2.e4#
      • 1...Sxf7!
    • 1.Rxd4+?
      • 1...Sd5
        • 2.Sc4+
          • 2...Rxc4
            • 3.Rxd5#
            • 3.Qxd5#
        • 2.Rxd5+
          • 2...Rxd5
            • 3.Sc4#
        • 2.Qxd5+
          • 2...Rxd5
            • 3.Sc4#
      • 1...Kxe5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Sf7+
          • 2...Sxf7
            • 3.Qe6#
      • 1...Rxc4
        • 2.Sxc4+
          • 2...Kd5
            • 3.e4#
      • 1...Rxe5
        • 2.Qc7+
          • 2...Kd5
            • 3.c4#
      • 1...Rc8
        • 2.dxc8S+
          • 2...Kxe5
            • 3.Bg3#
      • 1...Sd5
        • 2.Qxc5+
          • 2...Kxe5
            • 3.Bg3#
          • 2...Bxc5
            • 3.Sc4#
      • 1...e6
        • 2.Sf7+
          • 2...Sxf7
            • 3.Qxe6#

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).