Problem Display
PID: 226977 (K2B4/3p4/7p/3pk3/1Q6/7B/8/8 w - - 0 1)

Wurzburg, Otto

US Problem Bulletin, 1984

K2B4/3p4/7p/3pk3/1Q6/7B/8/8

#3

4 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Bg5?
      • threat
        • 2.Qf4#
      • 1...d4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qf5#
          • 2...d5
            • 3.Qe7#
      • 1...hxg5!
    • 1.Qd4+?
      • 1...Kd6
        • 2.Bg2
          • threat
            • 3.Qxd5#
          • 2...Kc6
            • 3.Qb6#
            • 3.Qxd5#
          • 2...Ke6
            • 3.Qf6#
            • 3.Qxd5#
      • 1...Kxd4!
  • Keys
    • 1.Qh4!
      • 1...Kd6
        • 2.Qe7+
          • 2...Kc6
            • 3.Bxd7#
      • 1...d4
        • 2.Bg2
          • threat
            • 3.Qf6#
          • 2...Kf5
            • 3.Qe4#
          • 2...Kd6
            • 3.Qe7#
          • 2...Ke6
            • 3.Qf6#
      • 1...h5
        • 2.Bb6
          • 2...Kd6
            • 3.Qf6#
          • 2...d4
            • 3.Qxd4#
          • 2...d6
            • 3.Bd4#
            • 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).