Problem Display
PID: 203155 (n2k4/2pP1KbP/R1Ppp2p/r4p2/4N2n/4B1p1/7q/5Q2 w - - 0 1)

Flatt, Karl

Schweizerische Schachzeitung, 1925

n2k4/2pP1KbP/R1Ppp2p/r4p2/4N2n/4B1p1/7q/5Q2

#4

8 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Rxa8+
          • 2...Rxa8
            • 3.Qxa8#
        • 2.h8Q+
          • 2...Bf8
            • 3.Qaf6#
            • 3.Qxf8#
          • 2...Bxh8
            • 3.Qxh8#
        • 2.h8R+
          • 2...Bf8
            • 3.Rxf8#
            • 3.Qf6#
          • 2...Bxh8
            • 3.Qxh8#
      • 1...Rxa1
        • 2.Sg5
          • threat
            • 3.Sxe6#
          • 2...hxg5
            • 3.Bxg5+
              • 3...Bf6
                • 4.Bxf6#
                • 4.h8Q#
                • 4.h8R#
          • 2...Qa2
            • 3.Rxa8+
              • 3...Qxa8
                • 4.Sxe6#
      • 1...Bxa1
        • 2.Sxd6
          • threat
            • 3.Sb7#
          • 2...cxd6
            • 3.Rxa8+
              • 3...Kc7
                • 4.Rc8#
              • 3...Rxa8
                • 4.Bb6#
          • 2...Qb2
            • 3.h8Q+
              • 3...Qxh8
                • 4.Sb7#
            • 3.h8R+
              • 3...Qxh8
                • 4.Sb7#
          • 2...Rb5
            • 3.Rxa8+
              • 3...Rb8
                • 4.Sb7#
                • 4.Rxb8#
      • 1...Qb2
        • 2.Rxa8+
          • 2...Rxa8
            • 3.Qxa8+
              • 3...Qb8
                • 4.Qxb8#

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).