Problem Display
PID: 89222 (8/8/6Q1/4kp2/2K5/5p2/5P2/8 w - - 0 1)

Sushkov, Yuri Akimovich

Uralski Problemist, 1998

8/8/6Q1/4kp2/2K5/5p2/5P2/8

#3

3 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd6
        • 2...f4
          • 3.Qd5#
          • 3.Qe6#
    • 1...Kf4
      • 2.Qg7
        • 2...Ke4
          • 3.Qd4#
  • Tries
    • 1.Qd6+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxd6!
    • 1.Qf6+?
      • 1...Kf4
        • 2.Qg7
          • 2...Ke4
            • 3.Qd4#
      • 1...Kxf6!
    • 1.Qh6?
      • 1...Ke4
        • 2.Qe3#
      • 1...f4!
  • Keys
    • 1.Kc5!
      • threat
        • 2.Qd6+
          • 2...Ke4
            • 3.Qd4#
      • 1...Ke4
        • 2.Qd6
          • 2...f4
            • 3.Qd5#
      • 1...Kf4
        • 2.Qg7
          • 2...Ke4
            • 3.Qd4#
      • 1...f4
        • 2.Qf7
          • 2...Ke4
            • 3.Qd5#

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).