Problem Display
PID: 113348 (5n2/2q2r2/1p2p3/8/1P1RN3/4N3/1PPPkp2/2K2R1B w - - 0 1)

Mattison, Herman

Tagliche Rundschau, 1921

5n2/2q2r2/1p2p3/8/1P1RN3/4N3/1PPPkp2/2K2R1B

#4

10 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Kb1!
      • threat
        • 2.c4
          • threat
            • 3.Sc3#
          • 2...Qxc4
            • 3.Sg3#
      • 1...Qxc2+
        • 2.Kxc2
          • threat
            • 3.Sc3#
            • 3.Sg3#
          • 2...Rc7+
            • 3.Kb3
              • threat
                • 4.Sg3#
              • 3...Rc3+
                • 4.Sxc3#
              • 3...Rg7
                • 4.Sc3#
      • 1...Rf6
        • 2.b5
          • 2...Qxc2+
            • 3.Kxc2
              • threat
                • 4.Sc3#
                • 4.Sg3#
          • 2...Rf3
            • 3.Bxf3+
              • 3...Kxf3
                • 4.Rxf2#
          • 2...Rf5
            • 3.c4
              • threat
                • 4.Sc3#
              • 3...Qxc4
                • 4.Sg3#
          • 2...Rg6
            • 3.Bf3+
              • 3...Kxf3
                • 4.Rxf2#
          • 2...Rh6
            • 3.Bf3+
              • 3...Kxf3
                • 4.Rxf2#
          • 2...Rf7
            • 3.c4
              • threat
                • 4.Sc3#
              • 3...Qxc4
                • 4.Sg3#
          • 2...Sg6
            • 3.c4
              • threat
                • 4.Sc3#
              • 3...Qxc4
                • 4.Sg3#
          • 2...Sd7
            • 3.c4
              • threat
                • 4.Sc3#
              • 3...Qxc4
                • 4.Sg3#
          • 2...Sh7
            • 3.c4
              • threat
                • 4.Sc3#
              • 3...Qxc4
                • 4.Sg3#

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).