Problem Display
PID: 258687 (Kn4b1/8/1b4N1/1QpkPPR1/4p3/4p2r/2N1P3/8 w - - 0 1)

Makaronets, Leonid

Volchek, Viktor Fedorovich

Problemist Ukraini, 2022

Kn4b1/8/1b4N1/1QpkPPR1/4p3/4p2r/2N1P3/8

#3

8 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Ba5
      • 2.Qb3+
        • 2...Kc6
          • 3.Qb7#
        • 2...c4
          • 3.Qb5#
    • 1...Bd8
      • 2.Qb3+
        • 2...Kc6
          • 3.Qb7#
        • 2...c4
          • 3.Qb5#
  • Tries
    • 1.Rg1?
      • threat
        • 2.Rd1#
      • 1...Ba5
        • 2.Qb3+
          • 2...Kc6
            • 3.Qb7#
          • 2...c4
            • 3.Qb5#
      • 1...Sc6
        • 2.Rd1+
          • 2...Sd4
            • 3.Sb4#
            • 3.Rxd4#
      • 1...Rh1!
    • 1.Rg3?
      • threat
        • 2.Sxe3+
          • 2...Kd4
            • 3.Qb2#
      • 1...Ba5
        • 2.Qb3+
          • 2...Kc6
            • 3.Qb7#
          • 2...c4
            • 3.Qb5#
      • 1...Bh7
        • 2.Sxe3+
          • 2...Kd4
            • 3.Qc4#
            • 3.Qb2#
      • 1...Rxg3!
    • 1.Qd3+?
      • 1...Kc6
        • 2.Se7+
          • 2...Kc7
            • 3.Qd6#
      • 1...exd3!
    • 1.Qb3+?
      • 1...c4
        • 2.Qxb6
          • threat
            • 3.Sb4#
            • 3.Qb5#
            • 3.Qd6#
      • 1...Kc6!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Sb4+
          • 2...Kd4
            • 3.Qd3#
      • 1...Ba5
        • 2.Qb3+
          • 2...Kc6
            • 3.Qb7#
          • 2...c4
            • 3.Qb5#
      • 1...Sa6
        • 2.Qd7+
          • 2...Kc4
            • 3.Qd3#
      • 1...Sc6
        • 2.Rxe4
          • threat
            • 3.Qc4#
          • 2...Kxe4
            • 3.Qd3#
          • 2...Sxe5
            • 3.Rd4#
          • 2...Sb4
            • 3.Rd4#
          • 2...Sd4
            • 3.Rxd4#
          • 2...Sa5
            • 3.Rd4#
          • 2...Sa7
            • 3.Rd4#
          • 2...Se7
            • 3.Rd4#
          • 2...Sb8
            • 3.Rd4#
          • 2...Sd8
            • 3.Rd4#

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).