Problem Display
PID: 216930 (b7/3pp1p1/6Q1/3p4/pK1kB2p/1p4p1/3B4/8 w - - 0 1)

Ehrenstein, Moritz

Budapesti Sakkszemle, 1890

b7/3pp1p1/6Q1/3p4/pK1kB2p/1p4p1/3B4/8

#4

4 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bf4!
      • threat
        • 2.Bb1
          • threat
            • 3.Qd3#
            • 3.Qb6#
      • 1...dxe4
        • 2.Qa6
          • threat
            • 3.Qc4#
          • 2...Bd5
            • 3.Qe2
              • threat
                • 4.Qd1#
                • 4.Qd2#
                • 4.Qe3#
              • 3...Bc4
                • 4.Qxc4#
              • 3...e3
                • 4.Qxe3#
          • 2...d5
            • 3.Qe2
              • threat
                • 4.Qd1#
                • 4.Qd2#
                • 4.Qe3#
              • 3...e3
                • 4.Qxe3#
      • 1...e5
        • 2.Bc1
          • threat
            • 3.Bb1
              • threat
                • 4.Qd3#
                • 4.Qb6#
              • 3...e4
                • 4.Qxg7#
          • 2...dxe4
            • 3.Qg4
              • threat
                • 4.Qd1#
              • 3...Kd3
                • 4.Qd1#
              • 3...Kd5
                • 4.Qxd7#
          • 2...Bc6
            • 3.Bb1
              • threat
                • 4.Qd3#
              • 3...e4
                • 4.Qxg7#
              • 3...Bb5
                • 4.Qb6#
          • 2...d6
            • 3.Bb1
              • threat
                • 4.Qd3#
              • 3...e4
                • 4.Qxg7#

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).