Problem Display
PID: 210996 (8/5Q1n/7B/2pNk2K/1b6/1p1Pp3/2n5/8 w - - 0 1)

Vetesnik, Ladislav

Sachove umeni (Ceskoslovensky sach), 1927

8/5Q1n/7B/2pNk2K/1b6/1p1Pp3/2n5/8

#3

5 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sd4
      • 2.Bf4#
  • Tries
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxe6!
    • 1.Qe8+?
      • 1...Kd6
        • 2.Bf4+
          • 2...Kxd5
            • 3.Qd7#
            • 3.Qe4#
      • 1...Kxd5!
    • 1.Qe7+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kxd5!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Bg7+
          • 2...Sf6+
            • 3.Bxf6#
      • 1...Sf6+
        • 2.Sxf6
          • threat
            • 3.Sg4#
          • 2...Kxf6
            • 3.Bg7#
      • 1...Kd4
        • 2.Sxe3+
          • 2...Kc3
            • 3.Sd1#
          • 2...Ke5
            • 3.Sg4#

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).