Problem Display
PID: 253628 (2K5/1p1B4/1p1pPpN1/2pkP1N1/p2br3/Q1nPp3/3P4/q7 w - - 0 1)

Doukhan, Gerard

Loustau, Jean-Marc

Problemist Ukraini, 2021

2K5/1p1B4/1p1pPpN1/2pkP1N1/p2br3/Q1nPp3/3P4/q7

#3

9 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Rf4
      • 2.Se7+
        • 2...Kxe5
          • 3.Sf7#
    • 1...Rxe5
      • 2.Sf4#
      • 2.Se7#
    • 1...Bxe5
      • 2.Sf3
        • threat
          • 3.Se7#
    • 1...Sb1
      • 2.dxe4+
        • 2...Kc4
          • 3.d3#
    • 1...Sd1
      • 2.dxe4+
        • 2...Kc4
          • 3.d3#
    • 1...Sa2
      • 2.dxe4+
        • 2...Kc4
          • 3.d3#
    • 1...Se2
      • 2.dxe4+
        • 2...Kc4
          • 3.d3#
    • 1...Sb5
      • 2.dxe4+
        • 2...Kc4
          • 3.d3#
    • 1...c4
      • 2.Qxd6#
    • 1...dxe5
      • 2.Sf7
        • threat
          • 3.Se7#
    • 1...fxe5
      • 2.Se7#
  • Tries
    • 1.Kxb7?
      • threat
        • 2.Bc6#
      • 1...Bxe5
        • 2.Sf3
          • threat
            • 3.Se7#
      • 1...dxe5
        • 2.Sf7
          • threat
            • 3.Se7#
      • 1...fxg5!
    • 1.Qb3+?
      • 1...c4
        • 2.Qxc4#
      • 1...axb3!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Bc4+
          • 2...Kc6
            • 3.Se7#
      • 1...Bxe5
        • 2.Se7+
          • 2...Kd4
            • 3.Sf3#
      • 1...Sxb5
        • 2.dxe4+
          • 2...Kc4
            • 3.d3#
          • 2...Kc6
            • 3.Se7#
      • 1...dxe5
        • 2.Kd7
          • threat
            • 3.Se7#
            • 3.Bc4#
      • 1...Qa2
        • 2.Qxa2+
          • 2...Sxa2
            • 3.dxe4#
          • 2...c4
            • 3.Qxc4#

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).