Problem Display
PID: 60339 (2R2N2/7p/K4P1P/3k4/p1p2p2/B1P2PP1/1n1PP1p1/rr6 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

3rd Prize, Tidskrift for Schack, 1910

2R2N2/7p/K4P1P/3k4/p1p2p2/B1P2PP1/1n1PP1p1/rr6

#4

11 + 9


5424 Versunkene Schatze 1998

SOLUTION


  • SOUND
  • Keys
    • 1.d4!
      • threat
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc7
                • 4.Se6#
            • 3.Se6
              • threat
                • 4.Rd6#
                • 4.d5#
      • 1...Rxa3
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc5
                • 4.Se6#
              • 3...Kc7
                • 4.Se6#
      • 1...cxd4 ep
        • 2.e4+
          • 2...Ke5
            • 3.Rc5+
              • 3...Kd6
                • 4.e5#
              • 3...Kxf6
                • 4.Rf5#
          • 2...fxe4 ep
            • 3.Be7
              • threat
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
      • 1...g1Q
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc7
                • 4.Se6#
      • 1...Rd1
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc7
                • 4.Se6#
              • 3...Rxd5
                • 4.Rc8#
        • 2.Be7
          • threat
            • 3.Rc5#
          • 2...Sd3
            • 3.exd3
              • threat
                • 4.Rc5#
                • 4.dxc4#
      • 1...Sd1
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc7
                • 4.Se6#
      • 1...Sd3
        • 2.Rd8+
          • 2...Kc6
            • 3.d5+
              • 3...Kc7
                • 4.Se6#

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).