Problem Display
PID: 63606 (r6R/8/8/P3BB1p/P6P/5k2/5pN1/5K2 w - - 0 1)

Johner, Hans

Norwich Mercury, 0000

r6R/8/8/P3BB1p/P6P/5k2/5pN1/5K2

#4

8 + 4


16 Chess Amateur (The) 1909

SOLUTION


  • SOUND
  • Keys
    • 1.Bb8!
      • threat
        • 2.Rc8
          • threat
            • 3.Rc3#
        • 2.Rd8
          • threat
            • 3.Rd3#
        • 2.Re8
          • threat
            • 3.Re3#
      • 1...Rxa5
        • 2.Re8
          • threat
            • 3.Re3#
          • 2...Rxf5
            • 3.Re3+
              • 3...Kg4
                • 4.Rg3#
          • 2...Re5
            • 3.Rxe5
              • 3...Kg3
                • 4.Re3#
      • 1...Rxb8
        • 2.Rxb8
          • 2...Kg3
            • 3.Rb3+
              • 3...Kh2
                • 4.Rh3#
      • 1...Ra6
        • 2.Rd8
          • threat
            • 3.Rd3#
          • 2...Rd6
            • 3.Rxd6
              • 3...Kg3
                • 4.Rd3#
          • 2...Re6
            • 3.Rd3+
              • 3...Re3
                • 4.Rxe3#
      • 1...Ra7
        • 2.Rc8
          • threat
            • 3.Rc3#
          • 2...Rc7
            • 3.Rxc7
              • 3...Kg3
                • 4.Rc3#
          • 2...Rd7
            • 3.Rc3+
              • 3...Rd3
                • 4.Rxd3#
          • 2...Re7
            • 3.Rc3+
              • 3...Re3
                • 4.Rxe3#

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).