Problem Display
PID: 258434 (6K1/p2N1QP1/B1ppr1pb/R1Bk4/1Pn3p1/4p2N/2PrP3/8 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Best Problems, 2022

6K1/p2N1QP1/B1ppr1pb/R1Bk4/1Pn3p1/4p2N/2PrP3/8

#3

11 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxe6+
        • 2...Se5
          • 3.Sf6#
    • 1...Se5
      • 2.Sf6#
    • 1...g5
      • 2.Qf5+
        • 2...Re5
          • 3.Sf6#
        • 2...Se5
          • 3.c4#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Qxe6#
      • 1...dxc5
        • 2.Qxe6+
          • 2...Kd4
            • 3.Qxc4#
      • 1...Bxg5!
    • 1.Bxc4+?
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kxc4!
    • 1.Qf5+?
      • 1...Re5
        • 2.Sf6#
      • 1...Se5
        • 2.c4#
      • 1...gxf5!
  • Keys
    • 1.c3!
      • threat
        • 2.Sf6+
          • 2...Ke5
            • 3.Bd4#
      • 1...Ke4
        • 2.Qxe6+
          • 2...Se5
            • 3.Sf6#
      • 1...Bxg7
        • 2.Sg5
          • threat
            • 3.Qxe6#
      • 1...Sxa5
        • 2.Sf8
          • threat
            • 3.Qxe6#
          • 2...Ke4
            • 3.Qxe6#
          • 2...Ke5
            • 3.Qxe6#
      • 1...gxh3
        • 2.Bd4+
          • 2...Ke4
            • 3.Qf3#
          • 2...Sxa5
            • 3.Sf6#
          • 2...c5
            • 3.Bb7#
      • 1...dxc5
        • 2.Sxc5
          • threat
            • 3.Qxe6#
          • 2...Ke5
            • 3.Qxe6#
          • 2...Kd6
            • 3.Sb7#
      • 1...Rd4
        • 2.Sf6+
          • 2...Ke5
            • 3.Bxd4#
      • 1...Bg5
        • 2.Sxg5
          • threat
            • 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).