Problem Display
PID: 248864 (8/8/2p5/3pk1N1/8/1K5B/8/5Q2 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Zadachi i Etyudi, 2003

8/8/2p5/3pk1N1/8/1K5B/8/5Q2

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qf4+
        • 2...Kd3
          • 3.Bf1#
        • 2...Kc5
          • 3.Qb4#
  • Tries
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qf2+
          • 2...Kd3
            • 3.Bf5#
          • 2...Ke4
            • 3.Bf5#
        • 2.Qf4+
          • 2...Kd3
            • 3.Bf1#
          • 2...Kc5
            • 3.Qb4#
      • 1...Ke4!
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qf4+
          • 2...Kd3
            • 3.Bf1#
          • 2...Kc5
            • 3.Qb4#
      • 1...Kd6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qf4#
      • 1...Kd6
        • 2.Qf8+
          • 2...Ke5
            • 3.Qf4#
          • 2...Kd7
            • 3.Qd8#
      • 1...d4
        • 2.Qf4+
          • 2...Kd5
            • 3.Qxd4#

FEATURES


NOT CLASSIFIED


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).