Problem Display
PID: 248549 (2b4r/3p4/2p2N2/b4p2/4P1pp/6kp/N3P3/5Q1K w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Speckmann, Werner

1/2 Prize, Die Schwalbe, 1961

2b4r/3p4/2p2N2/b4p2/4P1pp/6kp/N3P3/5Q1K

#4

6 + 10


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sd3
          • threat
            • 3.Qg1#
            • 3.Qf2#
            • 3.Qf4#
          • 2...h2
            • 3.Qg2#
      • 1...Bxb4
        • 2.e3
          • threat
            • 3.Qf4#
          • 2...Bd6
            • 3.exf5
              • threat
                • 4.Se4#
              • 3...Re8
                • 4.Sh5#
      • 1...Bb6
        • 2.Sd3
          • threat
            • 3.Qf4#
          • 2...Be3
            • 3.Qe1+
              • 3...Bf2
                • 4.Qxf2#
      • 1...Ba6
        • 2.Sbd5
          • threat
            • 3.Qg1#
            • 3.Qf4#
          • 2...cxd5
            • 3.Sxd5
              • threat
                • 4.Qg1#
                • 4.Qf4#
              • 3...h2
                • 4.Qg2#
        • 2.Sfd5
          • threat
            • 3.Qe1#
            • 3.Qg1#
            • 3.Qf4#
          • 2...cxd5
            • 3.Sxd5
              • threat
                • 4.Qg1#
                • 4.Qf4#
              • 3...h2
                • 4.Qg2#

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).