Problem Display
PID: 135550 (4Q3/8/1B6/3kpN2/K7/8/5p2/8 w - - 0 1)

Shmatov, Vladimir Afanasievich

StrateGems, 2009

4Q3/8/1B6/3kpN2/K7/8/5p2/8

#3

4 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke4
        • 2.Qg6+
          • 2...Kf3
            • 3.Qg4#
          • 2...Kf4
            • 3.Qg4#
      • 1...Kd6!
    • 1.Qd7+?
      • 1...Kc4
        • 2.Ba5
          • threat
            • 3.Qb5#
          • 2...Kc5
            • 3.Qb5#
        • 2.Qd2
          • threat
            • 3.Se3#
            • 3.Sd6#
      • 1...Ke4!
    • 1.Qa8+?
      • 1...Kc4
        • 2.Qf3
          • threat
            • 3.Sd6#
            • 3.Qb3#
      • 1...Ke6!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Se3#
      • 1...Kc4
        • 2.Se3+
          • 2...Kc3
            • 3.Qc2#
      • 1...Ke4
        • 2.Se3+
          • 2...Kf3
            • 3.Qg4#
          • 2...Kf4
            • 3.Qg4#
      • 1...f1S
        • 2.Se7+
          • 2...Kc4
            • 3.Qc2#
      • 1...e4
        • 2.Qd6+
          • 2...Kc4
            • 3.Qd4#

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).