Problem Display
PID: 276702 (8/K2Npb2/2R1PPr1/1Pp3pp/1Pp1k3/4b1P1/3RQppP/1n6 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Best Problems, 2024

8/K2Npb2/2R1PPr1/1Pp3pp/1Pp1k3/4b1P1/3RQppP/1n6

#3

11 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qf3+
        • 2...Bf4
          • 3.Rd5#
    • 1...Bxe6
      • 2.Rxe6+
        • 2...Kf5
          • 3.Re5#
    • 1...c3
      • 2.Qd3+
        • 2...Kf3
          • 3.Se5#
    • 1...cxb4+
      • 2.Rd4+
        • 2...Kxd4
          • 3.Qxc4#
        • 2...Kf5
          • 3.Qc2#
  • Tries
    • 1.Qd3+?
      • 1...Kf3
        • 2.Se5#
      • 1...cxd3!
    • 1.Qxc4+?
      • 1...Kf3
        • 2.Se5#
      • 1...Kf5
        • 2.Rd5#
      • 1...Bd4!
    • 1.Qxe3+?
      • 1...Kf5
        • 2.Qf3#
      • 1...Kxe3!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Re5+
          • 2...Kd4
            • 3.Qxe3#
      • 1...cxb4+
        • 2.Rd4+
          • 2...Kxd4
            • 3.Qxc4#
          • 2...Kf5
            • 3.Qc2#
      • 1...Kxd5
        • 2.Qxe3
          • threat
            • 3.Sb6#
            • 3.Qe5#
      • 1...exf6
        • 2.Rcd6
          • threat
            • 3.Sxc5#
          • 2...cxb4+
            • 3.Sc5#
      • 1...c3
        • 2.Qd3+
          • 2...Kf3
            • 3.Se5#

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).