Problem Display
PID: 8586 (4b3/1p2Q3/1Kp1p1p1/4k2P/4B2P/3P4/8/8 w - - 0 1)

Rychkov, Vladimir Nikolaevich

3rd Prize, Shakmatnoe Pyatibore, 64, 1979

4b3/1p2Q3/1Kp1p1p1/4k2P/4B2P/3P4/8/8

#3

6 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc5#
    • 1...Kf4
      • 2.Qg5#
    • 1...Bd7
      • 2.Qg5+
        • 2...Kd4
          • 3.Qc5#
        • 2...Kd6
          • 3.Qc5#
    • 1...gxh5
      • 2.Qg7+
        • 2...Kf4
          • 3.Qg5#
        • 2...Kd6
          • 3.Qc7#
    • 1...g5
      • 2.Qg7+
        • 2...Kf4
          • 3.Qxg5#
        • 2...Kd6
          • 3.Qc7#
  • Tries
    • 1.Kc5?
      • threat
        • 2.Qg5#
      • 1...Kf4
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...b6+!
    • 1.Qc5+?
      • 1...Kf4
        • 2.Qg5#
      • 1...Kf6!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Qc5#
      • 1...Kd6!
    • 1.Qg7+?
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf4!
  • Keys
    • 1.h6!
      • 1...Bd7
        • 2.Qg5+
          • 2...Kd4
            • 3.Qc5#
          • 2...Kd6
            • 3.Qc5#
      • 1...Bf7
        • 2.Qc5+
          • 2...Kf4
            • 3.Qg5#
          • 2...Kf6
            • 3.Qg5#
      • 1...c5
        • 2.Qc7+
          • 2...Kd4
            • 3.Qxc5#
          • 2...Kf6
            • 3.Qg7#
      • 1...g5
        • 2.Qg7+
          • 2...Kf4
            • 3.Qxg5#
          • 2...Kd6
            • 3.Qc7#

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).