Problem Display
PID: 250662 (8/8/8/2k5/2P5/1R6/4K3/2Q5 w - - 0 1)

Mladenov, I

Schweizerische Schachzeitung, 1998

8/8/8/2k5/2P5/1R6/4K3/2Q5

#3

4 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rb5
        • 2...Ke4
          • 3.Qe3#
  • Tries
    • 1.Rb6?
      • 1...Kd4
        • 2.Rb5
          • 2...Ke4
            • 3.Qe3#
      • 1...Kxb6!
    • 1.Qd2?
      • threat
        • 2.Qd5#
      • 1...Kc6
        • 2.Qd8
          • 2...Kc5
            • 3.Qd5#
      • 1...Kxc4!
    • 1.Qh6?
      • threat
        • 2.Qe6
          • 2...Kd4
            • 3.Qd5#
      • 1...Kd4
        • 2.Qe6
          • 2...Kc5
            • 3.Qd5#
      • 1...Kxc4!
    • 1.Qd1?
      • threat
        • 2.Qd5#
      • 1...Kc6
        • 2.Qd8
          • 2...Kc5
            • 3.Qd5#
      • 1...Kxc4!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Qf4
          • 2...Kc6
            • 3.Qc7#
      • 1...Kd4
        • 2.Rb5
          • 2...Ke4
            • 3.Qe3#
      • 1...Kc6
        • 2.Qh1+
          • 2...Kc5
            • 3.Qd5#
          • 2...Kd6
            • 3.Qd5#
      • 1...Kd6
        • 2.Qe3
          • 2...Kc6
            • 3.Qb6#

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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).