Problem Display
PID: 92605 (8/8/8/3P1K2/4N1pp/5krb/2NPr1pQ/3B2q1 w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

Massmann, Wilhelm Karl Heinrich

Wiener Schachzeitung, 1942

8/8/8/3P1K2/4N1pp/5krb/2NPr1pQ/3B2q1

#4

7 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Ke5!
      • threat
        • 2.Kf5
          • 2...Qxh2
            • 3.Se1#
            • 3.Sd4#
          • 2...Qxd1
            • 3.Sd4#
          • 2...Qf2
            • 3.Sg5#
          • 2...Qe3
            • 3.Se1#
          • 2...Qd4
            • 3.Se1#
            • 3.Sxd4#
          • 2...Qc5
            • 3.Se1#
          • 2...Qb6
            • 3.Se1#
          • 2...Qa7
            • 3.Se1#
          • 2...Qe1
            • 3.Sxe1#
            • 3.Sd4#
          • 2...Qf1
            • 3.Sd4#
          • 2...Qh1
            • 3.Sd4#
      • 1...Qf2
        • 2.Qg1
          • threat
            • 3.Qxf2#
          • 2...Qxg1
            • 3.Kf5
              • 3...Qxd1
                • 4.Sd4#
              • 3...Qf2
                • 4.Sg5#
              • 3...Qh2
                • 4.Se1#
                • 4.Sd4#
              • 3...Qe3
                • 4.Se1#
              • 3...Qd4
                • 4.Se1#
                • 4.Sxd4#
              • 3...Qc5
                • 4.Se1#
              • 3...Qb6
                • 4.Se1#
              • 3...Qa7
                • 4.Se1#
              • 3...Qe1
                • 4.Sxe1#
                • 4.Sd4#
              • 3...Qf1
                • 4.Sd4#
              • 3...Qh1
                • 4.Sd4#

FEATURES


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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).