Problem Display
PID: 69606 (8/5K2/P2p1B2/3P1p1Q/1n2kpp1/4p3/4BPP1/8 w - - 0 1)

Weiding, Otmar

Schachzeitung der Berliner Schachgesellschaft, 1861

8/5K2/P2p1B2/3P1p1Q/1n2kpp1/4p3/4BPP1/8

#4

8 + 7


SOLUTION


  • COOKED
  • Keys
    • 1.Qxf5+!
      • 1...Kxf5
        • 2.f3
          • 2...gxf3
            • 3.gxf3
              • 3...Sxd5
                • 4.Bd3#
              • 3...Sxa6
                • 4.Bd3#
              • 3...Sa2
                • 4.Bd3#
              • 3...Sc2
                • 4.Bd3#
              • 3...Sd3
                • 4.Bxd3#
              • 3...Sc6
                • 4.Bd3#
          • 2...g3
            • 3.Bb5
              • threat
                • 4.Bd7#
              • 3...Sc6
                • 4.Bd3#
            • 3.a7
              • 3...Sxd5
                • 4.Bd3#
              • 3...Sa2
                • 4.Bd3#
              • 3...Sc2
                • 4.Bd3#
              • 3...Sd3
                • 4.Bxd3#
              • 3...Sa6
                • 4.Bd3#
              • 3...Sc6
                • 4.Bd3#
    • 1.f3+!
      • 1...Kxd5
        • 2.Qxf5+
          • 2...Kc6
            • 3.Qb5+
              • 3...Kc7
                • 4.Qb7#

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).