Problem Display
PID: 247586 (2b2K2/8/2pppN1p/1p4kp/7N/6p1/8/5Q1n w - - 0 1)

Golubenko, Vladimir Aleksandrovich

Zadachi i Etyudi, 2003

2b2K2/8/2pppN1p/1p4kp/7N/6p1/8/5Q1n

#3

4 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...b4
      • 2.Qc4
        • threat
          • 3.Sh7#
        • 2...Kxf6
          • 3.Qf4#
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qe4
          • threat
            • 3.Sh7#
          • 2...Kxf6
            • 3.Qf4#
      • 1...Kf4
        • 2.Qe4+
          • 2...Kg5
            • 3.Sh7#
      • 1...Kxf6
        • 2.Qe3
          • threat
            • 3.Qf4#
          • 2...e5
            • 3.Qxh6#
      • 1...d5
        • 2.Qe5+
          • 2...Kxh4
            • 3.Qxh5#
      • 1...e5
        • 2.Qxh5+
          • 2...Kf4
            • 3.Sg2#
            • 3.Qxh6#
          • 2...Kxf6
            • 3.Qg6#
            • 3.Qxh6#
      • 1...Sf2!
    • 1.Qc4?
      • threat
        • 2.Sh7#
      • 1...Kxf6
        • 2.Qf4#
      • 1...bxc4!
    • 1.Qc1+?
      • 1...Kxf6
        • 2.Qf4#
      • 1...Kxh4!
    • 1.Qf3?
      • threat
        • 2.Qe4
          • threat
            • 3.Sh7#
          • 2...Kxf6
            • 3.Qf4#
      • 1...Sf2
        • 2.Qxg3+
          • 2...Kxf6
            • 3.Qf4#
            • 3.Qg7#
          • 2...Sg4
            • 3.Se4#
            • 3.Sh7#
      • 1...e5
        • 2.Qxh5+
          • 2...Kf4
            • 3.Sg2#
            • 3.Qxh6#
          • 2...Kxf6
            • 3.Qg6#
            • 3.Qxh6#
      • 1...d5!
    • 1.Qf5+?
      • 1...Kxh4
        • 2.Qxh5#
      • 1...exf5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qe4
          • threat
            • 3.Sh7#
          • 2...Kxf6
            • 3.Qf4#
        • 2.Qd4
          • threat
            • 3.Sh7#
      • 1...Kf4
        • 2.Qe4+
          • 2...Kg5
            • 3.Sh7#
        • 2.Qd4+
          • 2...Kg5
            • 3.Sh7#
      • 1...Kxh4
        • 2.Qe4+
          • 2...Kh3
            • 3.Qxh1#
          • 2...Kg5
            • 3.Sh7#
      • 1...Kxf6
        • 2.Qe3
          • threat
            • 3.Qf4#
          • 2...e5
            • 3.Qxh6#
      • 1...Sf2
        • 2.Qxg3+
          • 2...Kxf6
            • 3.Qf4#
            • 3.Qg7#
          • 2...Sg4
            • 3.Se4#
            • 3.Sh7#
      • 1...c5
        • 2.Qe4
          • threat
            • 3.Sh7#
          • 2...Kxf6
            • 3.Qf4#
      • 1...d5
        • 2.Qd4
          • threat
            • 3.Sh7#
      • 1...e5
        • 2.Qg6+
          • 2...Kf4
            • 3.Qxh6#
          • 2...Kxh4
            • 3.Qxh5#

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).