Problem Display
PID: 20284 (R7/8/8/6N1/3b4/8/8/5K1k w - - 0 1)

Speckmann, Werner

2nd HM., Die Schwalbe, 1957

R7/8/8/6N1/3b4/8/8/5K1k

#4

3 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Ra4!
      • threat
        • 2.Rxd4
          • 2...Kh2
            • 3.Kf2
              • 3...Kh1
                • 4.Rh4#
            • 3.Rd3
              • 3...Kh1
                • 4.Rh3#
            • 3.Rg4
              • 3...Kh1
                • 4.Rh4#
      • 1...Kh2
        • 2.Ra3
          • threat
            • 3.Rh3#
          • 2...Bc3
            • 3.Rxc3
              • 3...Kh1
                • 4.Rh3#
          • 2...Be3
            • 3.Rxe3
              • 3...Kh1
                • 4.Rh3#
      • 1...Bg1
        • 2.Rh4+
          • 2...Bh2
            • 3.Sh3
              • threat
                • 4.Sf2#
      • 1...Be5
        • 2.Rh4+
          • 2...Bh2
            • 3.Sh3
              • threat
                • 4.Sf2#

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).