Problem Display
PID: 89368 (8/QKp5/8/2B5/2p5/5p2/3N1P1n/4N1kr w - - 0 1)

Fomichev, Evgeny Vasilevich

Problemist Yuga , 1996

8/QKp5/8/2B5/2p5/5p2/3N1P1n/4N1kr

#3

6 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf1
      • 2.Sdxf3#
    • 1...c6
      • 2.Qb8
        • threat
          • 3.Qg3#
        • 2...Sf1
          • 3.Sdxf3#
  • Tries
    • 1.Qa2?
      • 1...Sg4
        • 2.Sdxf3+
          • 2...Kf1
            • 3.Qxc4#
      • 1...c6
        • 2.Qxc4
          • 2...Sf1
            • 3.Sdxf3#
          • 2...Sg4
            • 3.Sdxf3#
      • 1...c3!
    • 1.Qa4?
      • 1...Sg4
        • 2.Sdxf3+
          • 2...Kf1
            • 3.Qxc4#
      • 1...c6
        • 2.Qxc4
          • 2...Sf1
            • 3.Sdxf3#
          • 2...Sg4
            • 3.Sdxf3#
      • 1...c3!
  • Keys
    • 1.Qa6!
      • 1...Sg4
        • 2.Sdxf3+
          • 2...Kf1
            • 3.Qxc4#
      • 1...c3
        • 2.Qf1+
          • 2...Sxf1
            • 3.Sdxf3#
      • 1...c6
        • 2.Qxc4
          • 2...Sf1
            • 3.Sdxf3#
          • 2...Sg4
            • 3.Sdxf3#

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).