Problem Display
PID: 181054 (1bb1n3/1r4R1/1r6/Q3p1pp/1p4k1/pB4P1/4P1K1/8 w - - 0 1)

Eichstadt, Heinrich S

Deutsches Wochenschach, 1904

1bb1n3/1r4R1/1r6/Q3p1pp/1p4k1/pB4P1/4P1K1/8

#4

6 + 11


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.e4!
      • threat
        • 2.Bd1#
      • 1...Rd6
        • 2.Qd8
          • threat
            • 3.Rxg5#
            • 3.Qxg5#
          • 2...Rd2+
            • 3.Qxd2
              • threat
                • 4.Bd1#
                • 4.Rxg5#
                • 4.Qxg5#
                • 4.Qd1#
                • 4.Qe2#
          • 2...Rxd8
            • 3.Rd7
              • threat
                • 4.Bd1#
                • 4.Be6#
          • 2...Rxg7
            • 3.Bd1+
              • 3...Rxd1
                • 4.Qxd1#
          • 2...Sxg7
            • 3.Bd1+
              • 3...Rxd1
                • 4.Qxd1#
          • 2...Rf6
            • 3.Bd1+
              • 3...Rf3
                • 4.Bxf3#
                • 4.Rxg5#
                • 4.Qxg5#
            • 3.Qd1+
              • 3...Rf3
                • 4.Qxf3#
            • 3.Qxf6
              • threat
                • 4.Bd1#
                • 4.Rxg5#
                • 4.Qxg5#
                • 4.Qf3#
          • 2...Re7
            • 3.Bd1+
              • 3...Rxd1
                • 4.Qxd1#
          • 2...Sf6
            • 3.Bd1+
              • 3...Rxd1
                • 4.Qxd1#
      • 1...Rd7
        • 2.Rxd7
          • threat
            • 3.Bd1#
          • 2...Rd6
            • 3.Rxd6
              • threat
                • 4.Bd1#
              • 3...Ba6
                • 4.Be6#
          • 2...Rf6
            • 3.Bd1+
              • 3...Rf3
                • 4.Bxf3#
          • 2...Ba6
            • 3.Bd1+
              • 3...Be2
                • 4.Bxe2#

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).