Problem Display
PID: 20368 (8/4p1r1/1p6/1K3p1n/R2BkN2/1Np1P3/2p1P2b/5B2 w - - 0 1)

Whyatt, William Albert

Comm., Probleemblad, 1970

8/4p1r1/1p6/1K3p1n/R2BkN2/1Np1P3/2p1P2b/5B2

#4

8 + 9


3713 Snap 2001
  • SOUND
  • Keys
    • 1.Kc6!
      • threat
        • 2.Bxb6+
          • 2...Ke5
            • 3.Bd4+
              • 3...Ke4
                • 4.Sc5#
      • 1...Rg6+
        • 2.Sxg6
          • threat
            • 3.Bg2#
            • 3.Bc5#
            • 3.Bxb6#
          • 2...f4
            • 3.Bh3
              • threat
                • 4.Bc5#
                • 4.Bxb6#
              • 3...b5
                • 4.Sc5#
      • 1...Bxf4
        • 2.Bxg7+
          • 2...Kxe3
            • 3.Bd4+
              • 3...Ke4
                • 4.Bg2#
      • 1...Sxf4
        • 2.Bxc3+
          • 2...Kxe3
            • 3.Bd4+
              • 3...Ke4
                • 4.Sd2#

This anticipates 35148(1990)



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).