Problem Display
PID: 232011 (1K6/8/6n1/P2Q3b/1PBp4/2B5/1p1N1nrp/k5b1 w - - 0 1)

Nemo, Ottmar (Weiss, Ottmar)

Wiener Schachzeitung, 1937

1K6/8/6n1/P2Q3b/1PBp4/2B5/1p1N1nrp/k5b1

#4

7 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.a6!
      • threat
        • 2.Qa5#
      • 1...Rg5
        • 2.a7
          • threat
            • 3.a8Q#
            • 3.a8R#
          • 2...Rxd5
            • 3.a8Q+
              • 3...Ra5
                • 4.Qxa5#
            • 3.a8R+
              • 3...Ra5
                • 4.Rxa5#
          • 2...Bd1
            • 3.a8Q+
              • 3...Ba4
                • 4.Qxa4#
            • 3.a8R+
              • 3...Ba4
                • 4.Rxa4#

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).