Problem Display
PID: 188513 (r7/6p1/n3k1B1/1Q4B1/1p6/8/8/4K3 w - - 0 1)

Andrade, Barry Jack da Costa

The Observer, 1937

(First published on Sun Aug 8 1937)

r7/6p1/n3k1B1/1Q4B1/1p6/8/8/4K3

#3

4 + 5


3713 Snap 2019
15239 Valois Notebooks 2019
  • SOUND
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qc6+
          • 2...Ke7
            • 3.Qd6#
      • 1...Kf6
        • 2.Qc6+
          • 2...Ke7
            • 3.Qd6#
        • 2.Qb6+
          • 2...Ke7
            • 3.Qd6#
      • 1...Ke7
        • 2.Qd5
          • threat
            • 3.Qd6#
          • 2...Kf6
            • 3.Qf7#
            • 3.Qd6#
          • 2...Kf8
            • 3.Bd6#
            • 3.Qf7#
          • 2...Rd8
            • 3.Qf7#
      • 1...Rc8
        • 2.Qe5+
          • 2...Kd7
            • 3.Qd6#
      • 1...Rd8
        • 2.Qf5+
          • 2...Ke7
            • 3.Qf7#
      • 1...Sb8
        • 2.Qe5+
          • 2...Kd7
            • 3.Qe8#

Anticipated by 127443(1915)



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).