Problem Display
PID: 138389 (1k6/1b6/1N6/QK6/8/8/8/8 w - - 0 1)

Nemo, Ottmar (Weiss, Ottmar)

Die Schwalbe, 1932

1k6/1b6/1N6/QK6/8/8/8/8

#4

3 + 2


23 Die Schwalbe 2010

SOLUTION


  • SOUND
  • Keys
    • 1.Sa8!
      • 1...Bxa8
        • 2.Qd8+
          • 2...Kb7
            • 3.Kc5
              • 3...Ka6
                • 4.Qb6#
                • 4.Qxa8#
              • 3...Ka7
                • 4.Qb6#
      • 1...Bh1
        • 2.Qc7+
          • 2...Kxa8
            • 3.Ka6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7+
                • 4.Qxb7#
            • 3.Kb6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Bg2
        • 2.Qc7+
          • 2...Kxa8
            • 3.Kb6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Bf3
        • 2.Qc7+
          • 2...Kxa8
            • 3.Kb6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Be4
        • 2.Qc7+
          • 2...Kxa8
            • 3.Kb6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Bd5
        • 2.Qc7+
          • 2...Kxa8
            • 3.Kb6
              • threat
                • 4.Qd8#
                • 4.Qa7#
                • 4.Qc8#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Bc8
        • 2.Qc7+
          • 2...Kxa8
            • 3.Kb6
              • threat
                • 4.Qa7#
                • 4.Qxc8#
              • 3...Bb7
                • 4.Qxb7#

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).