Problem Display
PID: 218317 (8/N1p5/2K5/b7/k1N1P3/P1p5/2P1B3/8 w - - 0 1)

Howard, George H

New York Clipper, 1859

8/N1p5/2K5/b7/k1N1P3/P1p5/2P1B3/8

#4

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sxc3+
          • 2...Bxc3
            • 3.Bd1
              • 3...Ba1
                • 4.c3#
              • 3...Be1
                • 4.c3#
              • 3...Bb2
                • 4.c3#
              • 3...Bd2
                • 4.c3#
              • 3...Bb4
                • 4.c3#
              • 3...Bd4
                • 4.c3#
              • 3...Ba5
                • 4.c3#
              • 3...Be5
                • 4.c3#
              • 3...Bf6
                • 4.c3#
              • 3...Bg7
                • 4.c3#
              • 3...Bh8
                • 4.c3#
      • 1...Bb4
        • 2.Sxc3+
          • 2...Bxc3
            • 3.Bd1
              • 3...Ba1
                • 4.c3#
              • 3...Be1
                • 4.c3#
              • 3...Bb2
                • 4.c3#
              • 3...Bd2
                • 4.c3#
              • 3...Bb4
                • 4.c3#
              • 3...Bd4
                • 4.c3#
              • 3...Ba5
                • 4.c3#
              • 3...Be5
                • 4.c3#
              • 3...Bf6
                • 4.c3#
              • 3...Bg7
                • 4.c3#
              • 3...Bh8
                • 4.c3#

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).