Problem Display
PID: 117107 (1r6/3pN3/1p4p1/1N4P1/4kPR1/P1p4P/2p1PP2/2K5 w - - 0 1)

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

Deutsche Schachzeitung, 1909

1r6/3pN3/1p4p1/1N4P1/4kPR1/P1p4P/2p1PP2/2K5

#4

10 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.a4!
      • 1...Rb7
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sxb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...Ra8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...Rc8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sf7#
      • 1...Rd8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...Re8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...Rf8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
      • 1...Rg8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...Rh8
        • 2.Sd6+
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sc4#
                • 4.Sf7#
      • 1...d5
        • 2.f5+
          • 2...Ke5
            • 3.Sc6+
              • 3...Kxf5
                • 4.Sbd4#
      • 1...d6
        • 2.Sa3
          • threat
            • 3.f5+
              • 3...Ke5
                • 4.Sc4#
            • 3.Sxc2
              • threat
                • 4.f3#
          • 2...Kd4
            • 3.f5+
              • 3...Kc5
                • 4.Rc4#
              • 3...Ke5
                • 4.Sc4#

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).