Problem Display
PID: 22507 (8/2N2p2/8/2p5/K2k4/B7/2Q5/8 w - - 0 1)

Helledie, Holger

2nd HM., Arbeiter Zeitung, 1972

8/2N2p2/8/2p5/K2k4/B7/2Q5/8

#3

4 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qe4+?
      • 1...Kc3
        • 2.Bc1
          • threat
            • 3.Sb5#
            • 3.Sd5#
        • 2.Qe2
          • threat
            • 3.Sb5#
            • 3.Bb2#
          • 2...Kd4
            • 3.Bb2#
      • 1...Kxe4!
    • 1.Qe2?
      • threat
        • 2.Bb2#
      • 1...Kc3
        • 2.Sb5#
        • 2.Bb2#
      • 1...c4!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Qe2
          • threat
            • 3.Bb2#
          • 2...Kc3
            • 3.Sb5#
            • 3.Bb2#
          • 2...c4
            • 3.Qe3#
      • 1...Ke5
        • 2.Qxc5+
          • 2...Ke4
            • 3.Qd5#
          • 2...Kf6
            • 3.Qg5#
      • 1...c4
        • 2.Qf5
          • threat
            • 3.Sb5#
          • 2...Kc3
            • 3.Sb5#
          • 2...c3
            • 3.Qd5#

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).