Problem Display
PID: 212446 (8/2p5/p1R1p3/4P3/Nk6/8/PP6/K7 w - - 0 1)

Hulsen, Bernhard

Brooklyn Chess Chronicle, 1884

8/2p5/p1R1p3/4P3/Nk6/8/PP6/K7

#5

6 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.b3!
      • threat
        • 2.Kb2
          • threat
            • 3.a3+
              • 3...Ka5
                • 4.Rc5#
              • 3...Kb5
                • 4.Rc5#
            • 3.Rc5
              • threat
                • 4.a3#
          • 2...Ka5
            • 3.Rc5+
              • 3...Kb4
                • 4.a3#
            • 3.Ka3
              • 3...Kb5
                • 4.Rc5#
            • 3.Kc3
              • 3...Kb5
                • 4.Rc5#
            • 3.a3
              • 3...Kb5
                • 4.Rc5#
          • 2...Kb5
            • 3.Rc5+
              • 3...Kb4
                • 4.a3#
          • 2...a5
            • 3.Rc5
              • 3...c6
                • 4.a3#
      • 1...a5
        • 2.Sc3
          • threat
            • 3.Rc4+
              • 3...Ka3
                • 4.Sb1#
                • 4.Sb5#
                • 4.Ra4#
          • 2...a4
            • 3.a3+
              • 3...Kxa3
                • 4.Sa2
                  • 4...Kxb3
                    • 5.Rc3#
                  • 4...axb3
                    • 5.Ra6#
              • 3...Kxb3
                • 4.Sa2
                  • 4...Kxa3
                    • 5.Rc3#

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).