Problem Display
PID: 230000 (8/8/8/8/8/7N/1Q3p2/3kbK2 w - - 0 1)

Regos, Imre

Neue Leipziger Zeitung, 1934

8/8/8/8/8/7N/1Q3p2/3kbK2

#4

3 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qb2
          • 2...Bd2
            • 3.Sxf2#
          • 2...Bc3
            • 3.Sxf2#
          • 2...Bb4
            • 3.Sxf2#
          • 2...Ba5
            • 3.Sxf2#
      • 1...Kc1
        • 2.Sf4
          • threat
            • 3.Sd3+
              • 3...Kd1
                • 4.Qe2#
          • 2...Kd1
            • 3.Sd3
              • threat
                • 4.Qe2#
              • 3...Bd2
                • 4.Qb3#
                • 4.Qa4#
          • 2...Bd2
            • 3.Se2+
              • 3...Kd1
                • 4.Qb3#
                • 4.Qa4#
            • 3.Sd3+
              • 3...Kd1
                • 4.Qb3#
                • 4.Qa4#
      • 1...Bc3
        • 2.Sxf2+
          • 2...Kc1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qe2#
      • 1...Bd2
        • 2.Sxf2+
          • 2...Kc1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qb3#
                • 4.Qa4#
            • 3.Ke2
              • threat
                • 4.Sd3#
        • 2.Qb1+
          • 2...Bc1
            • 3.Sxf2+
              • 3...Kd2
                • 4.Qd3#
            • 3.Sf4
              • 3...Kd2
                • 4.Qd3#
      • 1...Bb4
        • 2.Sxf2+
          • 2...Kc1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qe2#
            • 3.Ke2
              • threat
                • 4.Sd3#
      • 1...Ba5
        • 2.Sxf2+
          • 2...Kc1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qe2#
            • 3.Ke2
              • threat
                • 4.Sd3#

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).