Problem Display
PID: 19944 (7n/3p4/8/p2p1B2/P5N1/pPkN4/P2p1P2/2bK4 w - - 0 1)

von Gottschall, Hermann

Tagliche Rundschau, 1909

7n/3p4/8/p2p1B2/P5N1/pPkN4/P2p1P2/2bK4

#4

8 + 8


20 De Problemist 1930

SOLUTION


  • SOUND
  • Keys
    • 1.Sge5!
      • 1...Kd4
        • 2.Sf3+
          • 2...Kc3
            • 3.Sg1
              • threat
                • 4.Se2#
              • 3...Kd4
                • 4.Se2#
      • 1...Bb2
        • 2.Sf4
          • threat
            • 3.Se2+
              • 3...Kb4
                • 4.Sd3#
            • 3.Sed3
              • threat
                • 4.Se2#
              • 3...Kd4
                • 4.Se2#
          • 2...Kb4
            • 3.Sed3+
              • 3...Kc3
                • 4.Se2#
          • 2...Kd4
            • 3.Sed3
              • threat
                • 4.Se2#
              • 3...Kc3
                • 4.Se2#
      • 1...Sg6
        • 2.Sxg6
          • threat
            • 3.Sgf4
              • threat
                • 4.Se2#
              • 3...Kd4
                • 4.Se2#
          • 2...Kd4
            • 3.Sgf4
              • threat
                • 4.Se2#
              • 3...Kc3
                • 4.Se2#
          • 2...d4
            • 3.Sgf4
              • threat
                • 4.Se2#
                • 4.Sd5#
            • 3.Se7
              • threat
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#
      • 1...Sf7
        • 2.Sxf7
          • threat
            • 3.Sd6
              • threat
                • 4.Sb5#
              • 3...Kd4
                • 4.Sb5#
          • 2...Kd4
            • 3.Sd6
              • threat
                • 4.Sb5#
              • 3...Kc3
                • 4.Sb5#
          • 2...d4
            • 3.Sd6
              • 3...Bb2
                • 4.Sb5#
          • 2...d6
            • 3.Sxd6
              • threat
                • 4.Sb5#
              • 3...Kd4
                • 4.Sb5#
      • 1...d4
        • 2.Sc4
          • threat
            • 3.Sb6
              • threat
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#
            • 3.Sd6
              • threat
                • 4.Sb5#
          • 2...d6
            • 3.Sxd6
              • threat
                • 4.Sb5#
            • 3.Sb6
              • threat
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#
      • 1...d6
        • 2.Sc6
          • threat
            • 3.Sa7
              • threat
                • 4.Sb5#
              • 3...Kd4
                • 4.Sb5#
          • 2...d4
            • 3.Sa7
              • threat
                • 4.Sb5#
            • 3.Se7
              • threat
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#

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).