Problem Display
PID: 112014 (8/8/8/Q2P2P1/3k2K1/5P2/8/4R3 w - - 0 1)

Karin, Aleksey

Kudesnik, 1997

8/8/8/Q2P2P1/3k2K1/5P2/8/4R3

#3

6 + 1


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Rd1+?
      • 1...Ke3
        • 2.Qe1#
        • 2.Qd2#
      • 1...Ke5
        • 2.Qc7#
      • 1...Kc4!
    • 1.Qc3+?
      • 1...Kxd5
        • 2.Rd1+
          • 2...Ke6
            • 3.Qf6#
      • 1...Kxc3!
    • 1.Qc7?
      • 1...Kxd5
        • 2.Kf4
          • 2...Kd4
            • 3.Rd1#
      • 1...Kd3!
  • Keys
    • 1.Rc1!
      • 1...Kd3
        • 2.Qe1
          • 2...Kd4
            • 3.Qe4#
      • 1...Ke3
        • 2.Rd1
          • threat
            • 3.Qe1#
            • 3.Qd2#
          • 2...Ke2
            • 3.Qe1#
            • 3.Qd2#
          • 2...Kf2
            • 3.Qd2#
      • 1...Ke5
        • 2.Rc5
          • 2...Kd4
            • 3.Qc3#
          • 2...Kd6
            • 3.Qc7#

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).