Problem Display
PID: 35319 (4r3/6P1/P7/8/5N2/8/K6Q/5k2 w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

6th Prize, German Ring Ty., 1949

4r3/6P1/P7/8/5N2/8/K6Q/5k2

#4

5 + 2


1014 Die Welt 1949
45 Schach 1951
328 Schweizerische Schachzeitung 1972
2012 Miniature Chess Problems from Many Countries 1981
328 Schweizerische Schachzeitung 2001
102 Probleemblad 2012

SOLUTION


  • SOUND
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qg2+
          • 2...Ke1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qc2#
            • 3.Qg1+
              • 3...Kd2
                • 4.Qc1#
      • 1...Rb8+
        • 2.Ka3
          • threat
            • 3.Qe2+
              • 3...Kg1
                • 4.Qg2#
            • 3.Qg2+
              • 3...Ke1
                • 4.Qe2#
          • 2...Rb3+
            • 3.Kxb3
              • 3...Ke1
                • 4.Qe2#
          • 2...Rb2
            • 3.Kxb2
              • 3...Ke1
                • 4.Qe2#
            • 3.Qxb2
              • 3...Ke1
                • 4.Qe2#
              • 3...Kg1
                • 4.Qg2#
          • 2...Re8
            • 3.Sd3
              • threat
                • 4.Qf2#
              • 3...Re2
                • 4.Qh1#
              • 3...Rf8
                • 4.gxf8Q#
                • 4.gxf8R#
      • 1...Re3
        • 2.Qg2+
          • 2...Ke1
            • 3.Qg1+
              • 3...Kd2
                • 4.Qc1#
        • 2.g8Q
          • threat
            • 3.Qhg1#
            • 3.Qgg1#
          • 2...Rb3+
            • 3.Kxb3
              • 3...Ke1
                • 4.Qe2#
                • 4.Qgg1#
            • 3.Qxb3
              • 3...Ke1
                • 4.Qe2#
          • 2...Rg3
            • 3.Sd3
              • threat
                • 4.Qf2#
              • 3...Rg2+
                • 4.Qhxg2#
                • 4.Qgxg2#
              • 3...Rxd3
                • 4.Qgg1#
              • 3...Rf3
                • 4.Qhg2#
                • 4.Qgg1#
                • 4.Qgg2#
        • 2.g8R
          • threat
            • 3.Rg1#
            • 3.Qg1#
          • 2...Rb3+
            • 3.Kxb3
              • 3...Ke1
                • 4.Rg1#
                • 4.Qe2#
          • 2...Rg3
            • 3.Rxg3
              • 3...Ke1
                • 4.Rg1#
                • 4.Qe2#
            • 3.Sd3
              • threat
                • 4.Qf2#
              • 3...Rg2+
                • 4.Qxg2#
              • 3...Rxd3
                • 4.Rg1#
              • 3...Rf3
                • 4.Rg1#
                • 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).