Problem Display
PID: 13606 (4n3/8/1b6/1Pp4p/2P4N/R5P1/P1KPP2p/2QR2nk w - - 0 1)

Kohnlein, Friedrich

Akademische Monatshefte fur Schach, 1908

4n3/8/1b6/1Pp4p/2P4N/R5P1/P1KPP2p/2QR2nk

#3

11 + 7


SOLUTION


  • SOUND
  • Tries
    • 1.d3?
      • threat
        • 2.Qe3
          • threat
            • 3.Qf3#
            • 3.Qe4#
        • 2.Qf4
          • threat
            • 3.Qf3#
            • 3.Qe4#
      • 1...Bc7
        • 2.Qe3
          • threat
            • 3.Qf3#
            • 3.Qe4#
      • 1...Sd6
        • 2.Qe3
          • threat
            • 3.Qf3#
        • 2.Qf4
          • threat
            • 3.Qf3#
      • 1...Sf6
        • 2.Qe3
          • threat
            • 3.Qf3#
        • 2.Qf4
          • threat
            • 3.Qf3#
      • 1...Ba5!
    • 1.g4?
      • threat
        • 2.Rxg1+
          • 2...hxg1Q
            • 3.Rh3#
          • 2...hxg1S
            • 3.Rh3#
          • 2...hxg1B
            • 3.Rh3#
          • 2...hxg1R
            • 3.Rh3#
        • 2.Rh3
          • threat
            • 3.Rxg1#
      • 1...Bc7
        • 2.Rh3
          • threat
            • 3.Rxg1#
      • 1...hxg4!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Qa3
          • threat
            • 3.Qf3#
      • 1...Bxa5
        • 2.Qa3
          • threat
            • 3.Qf3#
          • 2...Bc3
            • 3.Qa8#

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).